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a,s,o,u=t.min,c=t.max-t.min,l=t.xtolerance&&t.ytolerance?Math.min(t.xtolerance,t.ytolerance):t.tolerance?t.tolerance:0,p=Math.floor(c/(Math.PI/r));for(a=1;a<=p;a++)if(i(e,a)){for(o=a,s=2;s*a<=p;s++)i(e,s*a)||(o=void 0);if(o)break}return o?o*(Math.PI/r):null}function g(e){return[e[1]*Math.cos(e[0]),e[1]*Math.sin(e[0])]}function y(e,t){return t.map=g,d(e,t)}function v(e,t){for(var r=e.min,n=e.max,i=e.step,a=n-r,s=Math.ceil(a/i),o=a/s,u=0;u<s;u++)t(r+u*o);t(n)}function b(e,t){if(t.max<t.min)return{segments:[],resolved:!0};var r=new a.default(t),n=10,i=t.min,s=e(i);isFinite(s[0])&&isFinite(s[1])&&r.addPoint(s);var o;return v(t,function(t){o=e(t),x(e,i,s,t,o,n,r),i=t,s=o}),r.finish()}function x(e,t,n,i,a,s,o){if(i!==t){var u=o.xtolerance,c=o.ytolerance,l=r.mean(t,i),p=e(l),f=isFinite(n[0])&&isFinite(n[1]),h=isFinite(a[0])&&isFinite(a[1]),d=isFinite(p[0])&&isFinite(p[1]);if(0===s||l===t||l===i)return o.breakSegment(),void(h&&o.addPoint(a));if(f||h){if(f!==h){for(var 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Try defining \'__variables__\'.",{variables:(e.length?e.join("\', \'")+"\' or \'":"")+i}))},addArgumentsToDefinition:function(e,i,a){e=e.map(n.formatSymbol),i=n.formatSymbol(i),a=a.map(n.formatSymbol);var s=i+"("+a.join(",")+","+e.join(",")+")",o=e.pop(),u={symbols:e.join("\', \'"),lastSymbol:o,newSignature:s};return r(e.length?t.t("Try including \'__symbols__\' and \'__lastSymbol__\' as arguments by defining the function as \'__newSignature__\'.",u):t.t("Try including \'__lastSymbol__\' as an argument by defining the function as \'__newSignature__\'.",u))},invalidLHS:function(e){return e=n.formatSymbol(e),r(t.t("Sorry, you can\'t graph __symbol__ as a function of anything yet.",{symbol:e}))},unplottablePolarFunction:function(){return r(t.t("We can\'t plot θ as a function of r. Try plotting r(θ) instead."))},invalidInequalityVariables:function(){return r(t.t("We only plot inequalities of x and y, or r and θ."))},invalidImplicitVariables:function(){return r(t.t("We only support implicit equations of x and y."))},singleVariableImplicitEquationsDisabled:function(){return r(t.t("Plotting single-variable implicit equations is disabled."))},complicatedImplicitInequality:function(){return r(t.t("We can only plot inequalities when one variable is quadratic or linear."))},complicatedPolarImplicit:function(){return r(t.t("Polar equations must be linear in r."))},invalidDoubleInequalityVariables:function(){return r(t.t("We only plot double inequalities of x and y."))},mismatchedDoubleInequality:function(){return r(t.t("Double inequalities must both go the same way, e.g. 1 < y < 2."))},complicatedDoubleInequality:function(){return r(t.t("We only support solved double inequalities. Try deleting one side of the inequality."))},equationRequired:function(e){return e?(e=n.formatSymbol(e),r(t.t("Try adding \'__lhs__\' to the beginning of this equation.",{lhs:e+"="}))):r(t.t("Try adding an equals sign to turn this into an equation."))},variableAsFunction:function(e){return e=n.formatSymbol(e),r(t.t("Variable \'__dependency__\' can\'t be used as a function.",{dependency:e}))},emptyList:function(){return r(t.t("Empty lists are not allowed."))},invalidTableHeader:function(e){return r(t.t("Table headers must be simple expressions. __supplement__",{supplement:e}))},invalidTableEntry:function(e){return r(t.t("Table entries must be simple expressions. __supplement__",{supplement:e}))},invalidFirstTableColumn:function(){return r(t.t("First column may not be __most__ or __last__.",{most:"\'y\', \'r\',",last:"\'θ\'"}))},invalidDependentFirstTableColumn:function(){return r(t.t("This column header can\'t be defined elsewhere in the calculator."))},invalidRegressionParameter:function(e){return r(t.t("\'__symbol__\' may not be used as a regression parameter.",{symbol:n.formatSymbol(e)}))},optimizationError:function(){return r(t.t("We couldn\'t find any region where this model is defined."))},badListInReducer:function(e){return r(t.t("When __symbol__ is called with more than two arguments, no argument can be a list.",{symbol:n.formatSymbol(e)})).allowExport()},nonListDoubleReducer:function(e){return r(t.t("Both arguments of \'__symbol__\' must be lists. For example, try typing: __recommendation__.",{symbol:n.formatSymbol(e),recommendation:n.formatSymbol(e)+"([1,2,3], [3,2,1])"})).allowExport()},nonListParametrizedReducer:function(e){return r(t.t("The first argument of \'__symbol__\' must be a list. For example, try typing: __recommendation__.",{symbol:n.formatSymbol(e),recommendation:n.formatSymbol(e)+"([1,2,3], 1)"})).allowExport()},variableRange:function(e){return r(t.t("Range cannot depend on free variable \'__symbol__\'.",{symbol:n.formatSymbol(e[0])})).allowExport()},nonArithmeticRange:function(e){return r(t.t("Ranges must be arithmetic sequences.")).allowExport()},sumMissingBound:function(){return r(t.t("Sums must have upper and lower bounds."))},productMissingBound:function(){return r(t.t("Products must have upper and lower bounds."))},incorrectSumLowerBound:function(){return r(t.t("Lower bound of a sum must set a variable equal to a number. 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Try n=1."))},integralMissingBound:function(){return r(t.t("Integrals must have upper and lower bounds."))},integralMissingDifferential:function(){return r(t.t("Integrand must end with an integration variable, like dx."))},differentialWithSuperscript:function(){return r(t.t("Integration variable cannot have a superscript."))},sumMissingBody:function(){return r(t.t("What do you want to take the sum of?"))},productMissingBody:function(){return r(t.t("What do you want to take the product of?"))},integralMissingBody:function(){return r(t.t("What do you want to take the integral of?"))},derivativeMissingBody:function(){return r(t.t("What do you want to take the derivative of?"))},mismatchedBraces:function(e,i){return e=n.formatSymbol(e),i=n.formatSymbol(i),r(t.t("Expected \'__symbol1__\' to match \'__symbol2__\'.",{symbol1:e,symbol2:i}))},shadowedIntegrationVariable:function(e){return r(t.t("You can\'t use \'__symbol__\' as an integration variable because it\'s already defined.",{symbol:n.formatSymbol(e)}))},badIntegralBoundDependency:function(e){return r(t.t("Integration bounds can\'t depend on integration variable \'__symbol__\'.",{symbol:n.formatSymbol(e)}))},percentMissingOf:function(){return r(t.t("\'%\' must be used with \'of\'. 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arguments.callee(x[i]);\\n"+r[0]+"\\n}\\nreturn accum;\\n"))}(),e.inv=function(t){var r,n,i,a,s,o,u,t,c=e.dim(t),l=Math.abs,p=c[0],f=c[1],h=e.clone(t),d=e.identity(p);for(o=0;o<f;++o){var m=-1,g=-1;for(s=o;s!==p;++s)u=l(h[s][o]),u>g&&(m=s,g=u);for(n=h[m],h[m]=h[o],h[o]=n,a=d[m],d[m]=d[o],d[o]=a,t=n[o],u=o;u!==f;++u)n[u]/=t;for(u=f-1;u!==-1;--u)a[u]/=t;for(s=p-1;s!==-1;--s)if(s!==o){for(r=h[s],i=d[s],t=r[o],u=o+1;u!==f;++u)r[u]-=n[u]*t;for(u=f-1;u>0;--u)i[u]-=a[u]*t,--u,i[u]-=a[u]*t;0===u&&(i[0]-=a[0]*t)}}return d},e.det=function(t){var r=e.dim(t);if(2!==r.length||r[0]!==r[1])throw new Error("numeric: det() only works on square matrices");var n,i,a,s,o,u,c,l,p=r[0],f=1,h=e.clone(t);for(i=0;i<p-1;i++){for(a=i,n=i+1;n<p;n++)Math.abs(h[n][i])>Math.abs(h[a][i])&&(a=n);for(a!==i&&(c=h[a],h[a]=h[i],h[i]=c,f*=-1),s=h[i],n=i+1;n<p;n++){for(o=h[n],u=o[i]/s[i],a=i+1;a<p-1;a+=2)l=a+1,o[a]-=s[a]*u,o[l]-=s[l]*u;a!==p&&(o[a]-=s[a]*u)}if(0===s[i])return 0;f*=s[i]}return f*h[i][i]},e.transpose=function(e){var t,r,n,i,a,s=e.length,o=e[0].length,u=Array(o);for(r=0;r<o;r++)u[r]=Array(s);for(t=s-1;t>=1;t-=2){for(i=e[t],n=e[t-1],r=o-1;r>=1;--r)a=u[r],a[t]=i[r],a[t-1]=n[r],--r,a=u[r],a[t]=i[r],a[t-1]=n[r];0===r&&(a=u[0],a[t]=i[0],a[t-1]=n[0])}if(0===t){for(n=e[0],r=o-1;r>=1;--r)u[r][0]=n[r],--r,u[r][0]=n[r];0===r&&(u[0][0]=n[0])}return u},e.negtranspose=function(e){var t,r,n,i,a,s=e.length,o=e[0].length,u=Array(o);for(r=0;r<o;r++)u[r]=Array(s);for(t=s-1;t>=1;t-=2){for(i=e[t],n=e[t-1],r=o-1;r>=1;--r)a=u[r],a[t]=-i[r],a[t-1]=-n[r],--r,a=u[r],a[t]=-i[r],a[t-1]=-n[r];0===r&&(a=u[0],a[t]=-i[0],a[t-1]=-n[0])}if(0===t){for(n=e[0],r=o-1;r>=1;--r)u[r][0]=-n[r],--r,u[r][0]=-n[r];0===r&&(u[0][0]=-n[0])}return u},e.norm2=function(t){return Math.sqrt(e.norm2Squared(t))},e.linspace=function(e,t,r){if("undefined"==typeof r&&(r=Math.max(Math.round(t-e)+1,1)),r<2)return 1===r?[e]:[];var n,i=Array(r);for(r--,n=r;n>=0;n--)i[n]=(n*t+(r-n)*e)/r;return 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s=a[i];t.commandTable["\\\\"+s]="Trig",t.commandTable["\\\\"+s+"h"]="Trig",t.commandTable["\\\\arc"+s]="Trig",t.commandTable["\\\\arc"+s+"h"]="Trig"}t.symbolTable={"+":"+","-":"-","*":"*","/":"/","!":"!","(":"(",")":")","[":"[","]":"]",",":",","...":"...",":":":","=":"=",">=":">=","<=":"<=",">":">","<":"<","~":"~"},t.escapedSymbolTable={"\\\\{":"\\\\{","\\\\}":"\\\\}","\\\\%":"%"},t.leftTable={"|":"(|","\\\\{":"\\\\{","[":"[","(":"("},t.rightTable={"|":"|)","\\\\}":"\\\\}","]":"]",")":")"},t.allTokenTypes=Object.keys(r)}),define("math/parser/expression-lexer",["require","exports","./expression-token-tables","./input-span","./input-span","./surface-node"],function(e,t,r,n,i,a){"use strict";function s(e,t,r,n,i,a,s){return{input:e,prevSpan:t,startIndex:r,endIndex:n,token:i,mode:a,parent:s}}function o(e,t){return n.joinSpans(e.token.span,t.prevSpan)}function u(e,t){return n.joinSpans(e,t.prevSpan)}function c(e,t){return{type:"Differential",span:e,val:t}}function l(e,t,r){return{type:e,span:t,val:r}}function p(e){var t=n.emptySpanAt(e.span.input,e.span.start),r=void 0,i=void 0;return f(e,0,t,i,r)}function f(e,t,n,i,a){var o=e.args;if(t>o.length&&a)return d(a,n);t=P(o,t);var u=E(e,t,i),c=u.token,p=u.endIndex;if("End"===c.type&&a){var f=a.input.args[a.startIndex];if("LeftRight"===f.type){var h=f.right,m=r.rightTable[h.val]||"Err",v=l(m,h.span,h.val);return s(e,n,t,p,v,i,a)}}else"Int"===c.type?i=g(i):"Differential"===c.type&&(i=y(i));return s(e,n,t,p,c,i,a)}function h(e){var t=e.input.args[e.startIndex],r=e.token.span;return t&&"LeftRight"===t.type?f(t.arg,0,r,e.mode,e):d(e,r)}function d(e,t){var r=e.input,n=e.endIndex,i=e.mode,a=e.parent;return f(r,n+1,t,i,a)}function m(e){return e.token}function g(e){return{type:"integral",parent:e}}function y(e){if(!e||"integral"!==e.type)throw new Error("Programming Error: expected lexer to be in integral mode.");return e.parent}function v(e,t){return m(e).type===t}function b(e){return e.startIndex>=e.input.args.length}function x(e,t){return t.token.span.start>e.token.span.start}function _(e,t){return{token:t,endIndex:e}}function E(e,t,i){var a=e.args;if(t>=a.length){var s=n.emptySpanAt(e.span.input,e.span.end);return _(t,l("End",s,""))}var o=e.args[t];switch(o.type){case"Sqrt":case"Frac":case"SupSub":return _(t,o);case"Letter":if(!i||"integral"!==i.type)return _(t,o);if("d"!=o.val)return _(t,o);var u=E(e,t+1,i),p=u.endIndex,f=u.token;if("Letter"===f.type||"Cmd"===f.type){var h=c(n.joinSpans(o.span,f.span),f.val);return _(p,h)}return _(t,o);case"LeftRight":var d=o.left,m=r.leftTable[d.val]||"Err",g=n.joinSpans(o.span,d.span);return _(t,l(m,g,d.val));case"OperatorName":for(var y=[],v=0,b=o.arg.args;v<b.length;v++){var x=b[v];if("Letter"!==x.type)return _(t,l("Err",o.span,n.slice(o.arg.span)));y.push(x.val)}var M="\\\\"+y.join(""),I=r.commandTable[M]||"Cmd";return _(t,l(I,o.span,M));case"Cmd":var P=r.commandTable[o.val]||"Cmd";return _(t,l(P,o.span,o.val));case"EscapedSymbol":var C=r.escapedSymbolTable[o.val]||"Err";return _(t,l(C,o.span,o.val));case"Symbol":if(T(o))return S(e,t);var D=r.symbolTable[o.val]||"Err";return _(t,l(D,o.span,o.val));case"Digit":return w(e,t);default:var O=o;throw"Unexpected atom "+O.type+"."}}function S(e,t){var i=e.args[t];if("Symbol"!==i.type||"."!==i.val)throw new Error("Programming Error: expected \'.\'");if(t+2<e.args.length&&T(e.args[t+1])&&T(e.args[t+2])){var a=n.joinSpans(i.span,e.args[t+2].span);return _(t+2,l("...",a,n.slice(a)))}if(t+1<e.args.length&&"Digit"===e.args[t+1].type)return w(e,t);var s=r.symbolTable[i.val]||"Err";return _(t,l(s,i.span,i.val))}function w(e,t){var r=M(e,t);if(r)return r;for(var i=e.args,a=e.args[t].span,s=[],o=!1,u=!1;t<i.length;t++){var c=i[t];if("Digit"===c.type)o=!0,s.push(c.val);else{if(u||!T(c))break;if(t+1<i.length&&T(e.args[t+1]))break;u=!0,s.push(".")}}if(!o)throw new Error("Programming Error: decimals must have at least one digit.");var p=n.joinSpans(a,e.args[t-1].span);return _(t-1,l("Decimal",p,s.join("")))}function M(e,t){for(var r=e.args,i=r[t].span,s=[];t<r.length;t++){var o=r[t];if("Digit"!==o.type)break;s.push(o.val)}if(t=P(r,t),!(t>=r.length)){var u=r[t];if("Frac"===u.type){for(var c=[],l=[],p=0,f=u.num.args;p<f.length;p++){var o=f[p];if("Digit"!==o.type)return;c.push(o.val)}for(var h=0,d=u.den.args;h<d.length;h++){var o=d[h];if("Digit"!==o.type)return;l.push(o.val)}var m=n.joinSpans(i,u.span);return _(t,a.MixedNumber(m,s.join(""),c.join(""),l.join("")))}}}function I(e){switch(e.type){case"Sqrt":case"Frac":case"SupSub":case"LeftRight":case"OperatorName":case"Symbol":case"Letter":case"Digit":return!1;case"Cmd":return"\\\\space"===e.val;case"EscapedSymbol":return"\\\\ "===e.val||"\\\\:"===e.val||"\\\\,"===e.val||"\\\\;"===e.val;default:var t=e;throw"Unexpected atom "+t.type+"."}}function P(e,t){for(;t<e.length&&I(e[t]);)t+=1;return t}function T(e){return"Symbol"===e.type&&"."===e.val}Object.defineProperty(t,"__esModule",{value:!0}),t.Span=i.Span,t.spanStates=o,t.joinState=u,t.lex=p,t.lexAt=f,t.advance=h,t.peek=m,t.beginIntegral=g,t.endIntegral=y,t.isAt=v,t.isDone=b,t.didAdvance=x}),define("math/parser/precspec",["require","exports","./expression-token-tables"],function(e,t,r){"use strict";function n(e){return{type:"initial",tokenType:e}}function i(e){return{type:"l",tokenType:e}}function a(e){return{type:"r",tokenType:e}}function s(e){return{type:"la",tokenType:e}}function o(e){return{type:"ra",tokenType:e}}function u(e,t){for(var n=0,i=r.allTokenTypes;n<i.length;n++){var a=i[n];if(void 0===t[a])throw new Error("Programming Error: token "+a+" must be a assigned a "+(e+" precedence"))}}function c(e,t,r,n){if(void 0!==t[r])throw new Error("Programming Error: duplicate "+e+" entry for token "+r+".");t[r]=n}function l(e){function t(e){return s[e]}function r(e){return a[e]}function n(e){var r=i[e];return void 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c(e,r.Pos(a.spanStates(F,e),[A]));case"-":if(e=a.advance(e),i=l(e,V),e=i.state,A=i.tree,"Err"===A.type){if(!p(A.error))return c(e,A);var j=a.spanStates(F,e),B=n.Err(j,n.UnaryOperatorMissingRight(k.type));return c(e,B)}return c(e,r.Neg(a.spanStates(F,e),[A]));case"(":return _(e);case"\\\\{":return e=a.advance(e),a.isAt(e,"\\\\}")?(e=a.advance(e),c(e,r.EmptyPiecewise(a.spanStates(F,e)))):(s=l(e,V),e=s.state,A=s.tree,o=S(F,e,A,"\\\\{","\\\\}"),e=o.state,A=o.tree,"Err"===A.type?c(e,A):c(e,r.Piecewise(a.spanStates(F,e),[A])));case"[":if(e=a.advance(e),a.isAt(e,"]")){e=a.advance(e);var j=a.spanStates(F,e);return c(e,n.Err(j,n.EmptySquareBracket()))}return f=l(e,V),e=f.state,A=f.tree,h=S(F,e,A,"[","]"),e=h.state,A=h.tree,"Err"===A.type?c(e,A):c(e,r.List(a.spanStates(F,e),[A]));case"(|":if(e=a.advance(e),a.isAt(e,"|)")){e=a.advance(e);var j=a.spanStates(F,e);return c(e,n.Err(j,n.EmptyPipe()))}return d=l(e,V),e=d.state,A=d.tree,m=S(F,e,A,"(|","|)"),e=m.state,A=m.tree,"Err"===A.type?c(e,A):c(e,r.Pipes(a.spanStates(F,e),[A]));case"Frac":e=a.advance(e);var R=u(k.num),z=u(k.den);if("Err"===R.type&&"EmptyGroup"===R.error.type&&"Err"===z.type&&"EmptyGroup"===z.error.type){var j=a.spanStates(F,e),B=n.Err(j,n.FractionEmpty());return c(e,B)}if("Err"===R.type&&"EmptyGroup"===R.error.type){var j=a.spanStates(F,e),B=n.Err(j,n.FractionMissingNumerator());return c(e,B)}if("Err"===z.type&&"EmptyGroup"===z.error.type){var j=a.spanStates(F,e),B=n.Err(j,n.FractionMissingDenominator());return c(e,B)}if("Err"===R.type)return c(e,R);if("Err"===z.type)return c(e,z);if(r.isDerivative(R,z)&&"Juxt"===z.type){var G=z.args[1],U=void 0;if(g=l(e,P("*")-1),e=g.state,U=g.tree,"Err"===U.type){if(p(U.error)){var j=a.spanStates(F,e);return c(e,n.Err(j,n.DerivativeMissingBody()))}return c(e,U)}return c(e,r.Derivative(a.spanStates(F,e),[G,U]))}return c(e,r.Frac(a.spanStates(F,e),[R,z]));case"Sqrt":if(e=a.advance(e),k.optArg){var Y=u(k.optArg);if("Err"===Y.type)return"EmptyGroup"===Y.error.type?c(e,n.Err(Y.span,n.EmptyRadicand())):c(e,Y);var W=u(k.arg);return"Err"===W.type?"EmptyGroup"===W.error.type?c(e,n.Err(W.span,n.EmptyRadical())):c(e,W):c(e,r.Nthroot(a.spanStates(F,e),[Y,W]))}var W=u(k.arg);return"Err"===W.type?"EmptyGroup"===W.error.type?c(e,n.Err(W.span,n.EmptyRadical())):c(e,W):c(e,r.Sqrt(a.spanStates(F,e),[W]));case"Trig":case"Ln":e=a.advance(e);var X=r.Cmd(a.spanStates(F,e),k.val),Q=0,J=a.peek(e);if("SupSub"===J.type){if(e=a.advance(e),J.sub){var j=a.spanStates(F,e),B=n.Err(j,n.UnexpectedSubscript(X.val));return c(e,B)}var Z=b(J);if(Z){if("Err"===Z.type)return c(e,Z);X=r.Superscript(a.spanStates(F,e),[X,Z])}Q=J.nprimes}var H=a.isAt(e,"(");if(H){if(v=_(e),e=v.state,A=v.tree,"Err"===A.type)return c(e,A);A=r.Call(a.spanStates(F,e),[X,A.args[0]])}else{if(M=l(e,V-1),e=M.state,A=M.tree,"Err"===A.type)return p(A.error)?c(e,n.Err(a.spanStates(F,e),n.FunctionMissingArgument(k.val))):c(e,A);A=r.ImplicitCall(a.spanStates(F,e),[X,A])}if(Q>0){var j=a.spanStates(F,e);if(!H){var B=n.Err(j,n.PrimeWithoutParen());return c(e,B)}A=r.Prime(j,Q,[A])}return c(e,A);case"Log":e=a.advance(e);var X=r.Cmd(a.spanStates(F,e),k.val),Q=0,K=void 0,Z=void 0,J=a.peek(e);if("SupSub"===J.type&&(e=a.advance(e),K=y(J),Z=b(J),Q=J.nprimes),K&&"Err"===K.type)return c(e,K);if(Z&&"Err"===Z.type)return c(e,Z);var H=a.isAt(e,"(");if(H){if(I=_(e),e=I.state,A=I.tree,"Err"===A.type)return c(e,A);A=A.args[0]}else if(T=l(e,V-1),e=T.state,A=T.tree,"Err"===A.type)return p(A.error)?c(e,n.Err(a.spanStates(F,e),n.FunctionMissingArgument(k.val))):c(e,A);var $=K?r.Seq(a.spanStates(F,e),[A,K]):A,ee=K?r.Cmd(a.spanStates(F,e),"\\\\logbase"):X;if(Z&&(ee=r.Superscript(a.spanStates(F,e),[ee,Z])),A=H?r.Call(a.spanStates(F,e),[ee,$]):r.ImplicitCall(a.spanStates(F,e),[ee,$]),Q>0){var j=a.spanStates(F,e);if(!H){var B=n.Err(j,n.PrimeWithoutParen());return c(e,B)}A=r.Prime(j,Q,[A])}return c(e,A);case"Int":e=a.advance(e);var J=a.peek(e);e=a.advance(e);var te=x(J,F,e);if("Err"===te.type)return"MissingBound"===te.error.type?c(e,n.Err(te.span,n.IntegralMissingBound())):c(e,te);var Z=te.sup,K=te.sub,G=void 0;if(a.isAt(e,"Differential"))return D=E(e),e=D.state,G=D.tree,"Err"===G.type?c(e,G):c(e,r.EmptyIntegral(a.spanStates(F,e),[G,K,Z]));if(O=l(e,V),e=O.state,A=O.tree,"Err"===A.type)return p(A.error)?c(e,n.Err(A.span,n.IntegralMissingBody())):c(e,A);var re=A;return a.isAt(e,"Differential")?(N=E(e),e=N.state,G=N.tree,"Err"===G.type?c(e,G):c(e,r.Integral(a.spanStates(F,e),[G,K,Z,re]))):c(e,n.Err(a.spanStates(F,e),n.IntegralMissingDifferential()));case"Sum":e=a.advance(e);var J=a.peek(e);e=a.advance(e);var te=x(J,F,e);if("Err"===te.type)return"MissingBound"===te.error.type?c(e,n.Err(te.span,n.SumMissingBound())):c(e,te);var Z=te.sup,K=te.sub;return L=l(e,V),e=L.state,A=L.tree,"Err"===A.type?p(A.error)?c(e,n.Err(A.span,n.SumMissingBody())):c(e,A):c(e,r.Sum(a.spanStates(F,e),[A,K,Z]));case"Prod":e=a.advance(e);var J=a.peek(e);e=a.advance(e);var te=x(J,F,e);if("Err"===te.type)return"MissingBound"===te.error.type?c(e,n.Err(te.span,n.ProductMissingBound())):c(e,te);var Z=te.sup,K=te.sub;return q=l(e,V),e=q.state,A=q.tree,"Err"===A.type?p(A.error)?c(e,n.Err(A.span,n.ProductMissingBody())):c(e,A):c(e,r.Product(a.spanStates(F,e),[A,K,Z]));case"Cmd":return e=a.advance(e),A=r.Cmd(a.spanStates(F,e),k.val),c(e,A);case"Letter":return e=a.advance(e),A=r.Letter(a.spanStates(F,e),k.val),c(e,A);case"Decimal":return e=a.advance(e),c(e,r.Decimal(a.spanStates(F,e),k.val));case"MixedNumber":return e=a.advance(e),c(e,k);case"*":case"/":case",":case"=":case">":case"<":case">=":case"<=":case"~":case":":case"...":case"%":e=a.advance(e);var j=a.spanStates(F,e),B=n.Err(j,n.BinaryOperatorMissingLeft(k.type));return c(e,B);case"!":case"SupSub":e=a.advance(e);var j=a.spanStates(F,e),B=n.Err(j,n.UnaryOperatorMissingLeft(k.type));return c(e,B);case")":case"\\\\}":case"]":case"|)":case"Differential":return w(e);case"Err":e=a.advance(e);var j=a.spanStates(F,e),B=n.Err(j,n.UnrecognizedSymbol(k.val));return c(e,B);case"End":var j=a.spanStates(F,e),B=n.Err(j,n.UnexpectedEnd());return c(e,B);default:var ne=k;throw"Unexpected token type "+ne.type+"."}}function h(e,t){var i,s,o,u,f,h,d,y,x,E,M,I,P,C,D,O=a.peek(e),N=T(O.type);switch(O.type){case"+":case"-":case"*":case"/":case"=":case"~":case":":if(e=a.advance(e),i=l(e,N),e=i.state,D=i.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}return c(e,m(O.type,a.joinState(t.span,e),[t,D]));case"%":e=a.advance(e);var A=a.peek(e);if("Cmd"!==A.type||"of"!==A.val&&"\\\\of"!==A.val){var q=n.Err(O.span,n.PercentMissingOf());return c(e,q)}if(e=a.advance(e),s=l(e,N),e=s.state,D=s.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}return c(e,r.PercentOf(a.joinState(t.span,e),[t,D]));case">=":case"<=":case">":case"<":var F=O.type;if(e=a.advance(e),o=g(e,F),e=o.state,F=o.symbol,u=l(e,N),e=u.state,D=u.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}for(var k=r.Inequality(a.joinState(t.span,e),F,[t,D]),V=[],j=a.peek(e).type;">="===j||"<="===j||">"===j||"<"===j;){var B=e;if(F=j,e=a.advance(e),f=g(e,F),e=f.state,F=f.symbol,h=l(e,N),e=h.state,D=h.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}V.push(r.TrailingInequalityPiece(a.spanStates(B,e),F,[D])),j=a.peek(e).type}return V.length?c(e,r.InequalityChain(a.joinState(t.span,e),k,V)):c(e,k);case"!":return e=a.advance(e),c(e,r.Bang(a.joinState(t.span,e),[t]));case"[":var B=e;if(e=a.advance(e),a.isAt(e,"]")){e=a.advance(e);var L=a.spanStates(B,e);return c(e,n.Err(L,n.EmptySquareBracket()))}return d=l(e,N),e=d.state,D=d.tree,y=S(B,e,D,"[","]"),e=y.state,D=y.tree,"Err"===D.type?c(e,D):c(e,r.Index(a.joinState(t.span,e),[t,D]));case"Sqrt":case"Frac":case"Letter":case"Cmd":case"Trig":case"Ln":case"Log":case"Sum":case"Int":case"Prod":case"Decimal":case"MixedNumber":case"\\\\{":case"(|":return x=l(e,N),e=x.state,D=x.tree,"Err"===D.type?c(e,D):c(e,r.Juxt(a.joinState(t.span,e),[t,D]));case"(":if(r.isIdentifier(t))return E=_(e),e=E.state,D=E.tree,"Err"===D.type?c(e,D):c(e,r.Call(a.joinState(t.span,e),[t,D.args[0]]));if("Prime"===t.type&&r.isIdentifier(t.args[0])){if(M=_(e),e=M.state,D=M.tree,"Err"===D.type)return c(e,D);var L=a.joinState(t.span,e);return c(e,r.Prime(L,t.nprimes,[r.Call(L,[t.args[0],D.args[0]])]))}return I=l(e,N),e=I.state,D=I.tree,"Err"===D.type?c(e,D):c(e,r.Juxt(a.joinState(t.span,e),[t,D]));case"SupSub":e=a.advance(e);var R=v(O),z=b(O);if(R&&"Err"===R.type)return c(e,R);if(z&&"Err"===z.type)return c(e,z);if(R&&(t=r.Subscript(a.joinState(t.span,e),[t,R])),z&&(t=r.Superscript(a.joinState(t.span,e),[t,z])),O.nprimes>0){var L=a.joinState(t.span,e);if(!r.isIdentifier(t)){var q=n.Err(L,n.UnexpectedPrime());return c(e,q)}t=r.Prime(L,O.nprimes,[t])}return c(e,t);case",":for(var G=[t];a.isAt(e,",")&&(e=a.advance(e),!a.isAt(e,"..."));){if(P=l(e,N),e=P.state,D=P.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}G.push(D)}return c(e,r.Seq(a.joinState(t.span,e),G));case"...":if(e=a.advance(e),a.isAt(e,",")&&(e=a.advance(e)),C=l(e,N),e=C.state,D=C.tree,"Err"===D.type){if(p(D.error)){var L=a.joinState(t.span,e),q=n.Err(L,n.BinaryOperatorMissingRight(O.type));return c(e,q)}return c(e,D)}return c(e,r.Ellipsis(a.joinState(t.span,e),[t,D]));case"]":case")":case"\\\\}":case"|)":case"Differential":return w(e);case"Err":return l(e,N);case"End":var L=a.spanStates(e,e),q=n.Err(L,n.UnexpectedEnd());return c(e,q);default:var U=O;throw"Unexpected token type "+U.type+"."}}function d(e){return!!r.isIdentifier(e)||!("Prime"!==e.type||!r.isIdentifier(e.args[0]))}function m(e,t,n){switch(e){case"+":return r.Add(t,n);case"-":return r.Sub(t,n);case"*":return r.Mul(t,n);case"/":return r.Div(t,n);case"=":return r.Equals(t,n);case"~":return r.Tilde(t,n);case":":return r.Colon(t,n);default:var i=e;throw"Unexpected token type "+i+"."}}function g(e,t){if(!a.isAt(e,"="))return{state:e,symbol:t};switch(t){case">":e=a.advance(e),t=">=";break;case"<":e=a.advance(e),t="<="}return{state:e,symbol:t}}function y(e){if(e.sub){var t=e.sub,r=u(t);return"Err"===r.type&&"EmptyGroup"===r.error.type?n.Err(r.span,n.EmptySubscript()):r}}function v(e){if(e.sub){var t=e.sub;if(0===t.args.length)return n.Err(t.span,n.EmptySubscript());for(var a=[],s=0,o=t.args;s<o.length;s++){var u=o[s];if("Digit"!==u.type&&"Letter"!==u.type){var c=u.span,l=n.Err(c,n.InvalidSubscript(i.slice(c)));return l}a.push(u.val)}return r.Alphanumeric(t.span,a.join(""))}}function b(e){if(e.sup){var t=u(e.sup);return"Err"===t.type?"EmptyGroup"===t.error.type?n.Err(t.span,n.EmptySuperscript()):t:e.nprimes>0?n.Err(e.span,n.SuperscriptWithPrime()):t}}function x(e,t,r){if("SupSub"!==e.type){var i=a.spanStates(t,r);return n.Err(i,n.MissingBound())}if(e.nprimes>0){var i=a.spanStates(t,r);return n.Err(i,n.UnexpectedPrime())}var s=y(e),o=b(e);if(!s||"Err"===s.type&&"EmptySubscript"===s.error.type||!o||"Err"===o.type&&"EmptySuperscript"===o.error.type){var i=a.spanStates(t,r);return n.Err(i,n.MissingBound())}return"Err"===s.type?s:"Err"===o.type?o:{type:"Bounds",sup:o,sub:s}}function _(e){var t,i,s=e,o=a.peek(e),u=C(o.type);if(!a.isAt(e,"("))throw new Error("Programming Error: expected \'(\' at start of parseParen.");if(e=a.advance(e),a.isAt(e,")")){e=a.advance(e);var p=a.spanStates(s,e);return c(e,n.Err(p,n.EmptyParen()))}var f;return t=l(e,u),e=t.state,f=t.tree,i=S(s,e,f,"(",")"),e=i.state,f=i.tree,"Err"===f.type?c(e,f):c(e,r.Paren(a.spanStates(s,e),[f]))}function E(e){var t=e,i=a.peek(e);if("Differential"!==i.type)throw new Error("Programming Error: expected differential");e=a.advance(e);var s=r.Cmd(i.span,i.val),o=a.peek(e);if("SupSub"===o.type){e=a.advance(e);var u=a.spanStates(t,e),l=v(o);if(l){if("Err"===l.type)return c(e,l);s=r.Subscript(u,[s,l])}if(o.sup)return c(e,n.Err(u,n.DifferentialWithSuperscript()));if(o.nprimes>0)return c(e,n.Err(u,n.UnexpectedPrime()))}return c(e,s)}function S(e,t,r,i,s){if("Err"===r.type&&"UnexpectedEnd"!==r.error.type)return c(t,r);if("Err"===r.type||!a.isAt(t,s)){var o=a.spanStates(e,t),u=n.Err(o,n.MissingCloseDelimiter(i,s));return c(t,u)}return t=a.advance(t),c(t,r)}function w(e){var t=e,r=a.peek(e);switch(r.type){case")":e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedCloseDelimiter("(",")")));case"]":e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedCloseDelimiter("[","]")));case"\\\\}":e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedCloseDelimiter("\\\\{","\\\\}")));case"|)":e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedCloseDelimiter("|","|")));case"Differential":e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedDifferential()));default:e=a.advance(e);var i=a.spanStates(t,e);return c(e,n.Err(i,n.UnexpectedParseError()))}}Object.defineProperty(t,"__esModule",{value:!0});var M=[[s.initial("("),s.la(")"),s.initial("\\\\{"),s.la("\\\\}"),s.r("["),s.la("]"),s.initial("(|"),s.la("|)"),s.la("Differential"),s.la("End")],[s.ra("...")],[s.la(",")],[s.ra(":")],[s.la("="),s.la(">"),s.la("<"),s.la(">="),s.la("<="),s.la("~")],[s.la("+"),s.la("-")],[s.la("*"),s.la("/"),s.la("Decimal"),s.la("MixedNumber"),s.la("Letter"),s.la("Cmd"),s.la("%"),s.r("("),s.la("\\\\{"),s.la("(|"),s.la("Frac"),s.la("Sqrt"),s.la("Trig"),s.la("Ln"),s.la("Log"),s.ra("Int"),s.ra("Sum"),s.ra("Prod")],[s.initial("+"),s.initial("-")],[s.l("("),s.l("[")],[s.la("!")],[s.la("SupSub")],[s.la("Err")]],I=s.precSpec(M),P=I.leftPrec,T=I.rightPrec,C=I.initialPrec;t.parse=o}),define("math/inverses",[],function(){var e={},t=["sin","cos","tan","cot","sec","csc","sinh","cosh","tanh","coth","sech","csch"];\nreturn t.forEach(function(t){e[t]="arc"+t,e["arc"+t]=t}),e}),define("math/parser/lower",["require","exports","math/inverses","math/errormsg","./input-span","./surface-node"],function(e,t,r,n,i,a){"use strict";function s(e,t){return u(e,t)}function o(e,t){for(var r=[],n=0;n<t.length;n++)r.push(f(e,t[n]));return r}function u(e,t){return e.setInput(c(e,t),i.slice(t.span))}function c(e,t){var r=e.nodes;switch(t.type){case"Equals":var i=t.args,s=i[0],u=i[1];if("Call"===s.type){var c=s.args,d=c[0],m=c[1],g=p(m);if(a.isIdentifier(d)&&g.every(a.isIdentifier))return r.FunctionDefinition(f(e,d),o(e,g),f(e,u))}else if(a.isIdentifier(s))return r.Assignment(f(e,s),f(e,u));return r.Equation(f(e,s),f(e,u));case"Tilde":var y=o(e,t.args),s=y[0],u=y[1];return r.Regression(s,u);case"Inequality":return E(e,t);case"InequalityChain":if(t.chain.length>1)throw n.inequalityChainTooLong();var v=t.first,b=v.symbol,x=v.args,_=x[0],S=x[1],w=t.chain[0],M=w.symbol,P=w.args[0];return a.isIdentifier(S)?r.DoubleInequality([f(e,_),b,f(e,S),M,f(e,P)]):E(e,t);case"Seq":if(!t.args.every(l))throw n.malformedPoint();return r.List(o(e,t.args));case"Call":var T=t.args,C=T[0],D=T[1];return I(C)?r.Polygon(o(e,p(D))):h(e,t);default:return h(e,t)}}function l(e){if("Paren"!==e.type)return!1;var t=e.args[0];return"Seq"===t.type&&2===t.args.length}function p(e){return"Seq"===e.type?e.args:[e]}function f(e,t){return e.setInput(h(e,t),i.slice(t.span))}function h(e,t){var r=e.nodes;switch(t.type){case"Pos":return h(e,t.args[0]);case"Neg":for(var i=-1,s=t.args[0];;)if("Pos"===s.type||"Paren"===s.type)s=s.args[0];else{if("Neg"!==s.type)break;s=s.args[0],i*=-1}switch(s.type){case"Decimal":return r.Constant(i*w(s));case"MixedNumber":return r.Constant(i*M(s));default:return i===-1?r.Negative([f(e,s)]):h(e,s)}case"Add":return r.Add(o(e,t.args));case"Sub":return r.Subtract(o(e,t.args));case"Mul":return r.Multiply(o(e,t.args));case"Div":return r.Divide(o(e,t.args));case"Bang":return r.FunctionCall("\\\\factorial",o(e,t.args));case"PercentOf":return r.PercentOf(o(e,t.args));case"Call":return v(e,t);case"ImplicitCall":return S(t),v(e,t);case"Prime":var u=t.args[0];if("Call"===u.type){var c=u.args,l=c[0],d=c[1],m=p(d).length;if("Cmd"===l.type&&"logbase"===l.val){if(2!==m)throw n.primedFunctionArity()}else if(1!==m)throw n.primedFunctionArity();return r.Prime(t.nprimes,o(e,t.args))}throw"ImplicitCall"===u.type?n.primeWithoutParen():n.unexpectedPrime();case"Index":return r.ListAccess(o(e,t.args));case"Paren":var g=t.args[0];return"Seq"===g.type?2===g.args.length?r.OrderedPair(o(e,g.args)):n.nonPairTuple():h(e,g);case"List":var y=t.args[0];if("Ellipsis"===y.type){var _=y.args,E=_[0],I=_[1];return r.Range([r.List(o(e,p(E))),r.List(o(e,p(I)))])}return r.List(o(e,p(y)));case"Pipes":return r.FunctionCall("\\\\abs",o(e,t.args));case"Subscript":var C=t.args,D=C[0],O=C[1];if(0===O.val.length)throw n.emptySubscript();var N=void 0;switch(D.type){case"Letter":N=D.val;break;case"Cmd":N=D.val;break;default:throw n.unexpectedSubscript()}return r.Identifier(N+"_"+O.val);case"Superscript":var L=t.args,D=L[0],q=L[1];return"Call"!==D.type||"Seq"===D.args[1].type||P(D)?r.Exponent(o(e,t.args)):r.FunctionExponent(o(e,[D.args[0],D.args[1],q]));case"Sqrt":return r.FunctionCall("sqrt",o(e,t.args));case"Nthroot":return r.FunctionCall("nthroot",o(e,[t.args[1],t.args[0]]));case"Frac":return r.Divide(o(e,t.args));case"Derivative":var A=o(e,t.args);if(!a.isIdentifier(t.args[0]))throw n.parseError();return r.Derivative(A[0],[A[1]]);case"Integral":var F=t.args,k=F[0],V=F[1],j=F[2],B=F[3],A=o(e,[k,V,j,B]);return r.Integral(A);case"EmptyIntegral":var R=o(e,t.args),k=R[0],z=R[1],j=R[2],B=r.Constant(1);return r.Integral([k,z,j,B]);case"Sum":var G=t.args,U=G[0],Y=G[1],j=G[2];if("Equals"!=Y.type)throw n.incorrectSumLowerBound();if(!a.isIdentifier(Y.args[0]))throw n.incorrectSumLowerBound();var A=o(e,[Y.args[0],Y.args[1],j,U]);return r.Sum(A);case"Product":var W=t.args,X=W[0],Q=W[1],j=W[2];if("Equals"!=Q.type)throw n.incorrectProductLowerBound();if(!a.isIdentifier(Q.args[0]))throw n.incorrectProductLowerBound();var A=o(e,[Q.args[0],Q.args[1],j,X]);return r.Product(A);case"Juxt":return b(e,t);case"Letter":return r.Identifier(t.val);case"Cmd":var J=t.val;if("ans"===J){if(void 0===e.currentIndex)throw n.badAnsContext();return r.Ans("ans_{"+(e.currentIndex-1)+"}")}return r.Identifier(J);case"Decimal":return r.Constant(w(t));case"MixedNumber":return r.Constant(M(t));case"Piecewise":return x(e,t);case"EmptyPiecewise":if(!r.Piecewise.empty)throw n.featureUnavailable();return r.Piecewise.empty();case"Equals":throw n.unexpectedSymbol("=");case"Inequality":case"InequalityChain":throw n.unexpectedInequality();case"Tilde":throw n.unexpectedSymbol("~");case"Seq":throw n.unexpectedSymbol(",");case"Colon":throw n.unexpectedSymbol(":");case"Ellipsis":throw n.unexpectedSymbol("...");case"Err":throw T(t.error);default:var Z=t;throw"Unexpected surface node "+Z.type+"."}}function d(e){return r.hasOwnProperty(e)}function m(e){return"ln"===e||"log"===e||"logbase"===e}function g(e){return"Decimal"===e.type&&"2"===e.val}function y(e){return"Neg"===e.type&&(e=e.args[0],"Decimal"===e.type&&"1"===e.val)}function v(e,t){var i=e.nodes,s=t.args,u=s[0],c=s[1],l=f(e,u),h=p(c),v=o(e,h);if(I(u))throw n.unexpectedSymbol("polygon");if(a.isIdentifier(u))return i.FunctionCall(l,v);if("Superscript"===u.type){var b=u.args,x=b[0],_=b[1];if("Cmd"===x.type){var E=x.val;if(d(E)||m(E)){if(g(_))return i.Exponent([i.FunctionCall(E,v),f(e,_)]);if(y(_)&&void 0!==r[E])return i.FunctionCall(r[E],v);throw d(E)?n.badTrigExponent(E):n.badLogExponent("logbase"===E?"log":E)}}}return i.Multiply([l,f(e,c)])}function b(e,t){var r=e.nodes,i=r.Multiply(o(e,t.args));if(!a.isOkForImplicitMultiply(t.args[1]))throw n.badImplicitMultiply();return i}function x(e,t){var r,i=e.nodes,a=t.args[0],s=p(a),o=[];e:for(r=0;r<s.length;r++){var u=s[r];switch(u.type){case"Colon":var c=u.args,l=c[0],h=c[1];if(!_(l))throw n.colonMissingCondition();o.push({condition:E(e,l),if_expr:f(e,h)});break;case"Equals":case"Inequality":case"InequalityChain":o.push({condition:E(e,u),if_expr:i.Constant(1)});break;default:break e}}if(0===r)throw n.piecewiseMissingCondition();if(r<s.length-1)throw n.piecewisePartMissingCondition();if(r===s.length-1&&o.push({condition:i.Constant(!0),if_expr:f(e,s[r])}),!i.Piecewise.chain)throw n.featureUnavailable();return i.Piecewise.chain(o)}function _(e){return"Equals"===e.type||"Inequality"===e.type||"InequalityChain"===e.type}function E(e,t){var r=e.nodes;switch(t.type){case"Equals":return r.Comparator["="](o(e,t.args));case"Inequality":return r.Comparator[t.symbol](o(e,t.args));case"InequalityChain":if(t.chain.length>1)throw n.inequalityChainTooLong();var s=t.first,u=s.symbol,c=s.args,l=c[0],p=c[1],f=t.chain[0],h=f.symbol,d=f.args[0],m=i.emptySpanAt(t.span.input,t.span.start);return r.And([E(e,a.Inequality(m,u,[l,p])),E(e,a.Inequality(m,h,[p,d]))]);default:throw n.parseError()}}function S(e){var t=e.args,r=t[0],i=t[1];if("Superscript"===r.type&&(r=r.args[0]),"Cmd"===r.type&&"logbase"===r.val&&"Seq"===i.type&&2===i.args.length){if(!a.isOkForImplicitCall(i.args[0]))throw n.badImplicitCall("log")}else if(!a.isOkForImplicitCall(i)){if("Cmd"===r.type)throw n.badImplicitCall(r.val);throw n.parseError()}}function w(e){return parseFloat(e.val)}function M(e){return parseFloat(e.whole)+parseFloat(e.num)/parseFloat(e.den)}function I(e){return"Cmd"===e.type&&"polygon"===e.val}function P(e){if("Call"!==e.type)return!1;for(var t=e.args[0];"Superscript"===t.type||"Subscript"===t.type||"Prime"===t.type;)t=t.args[0];return"Cmd"===t.type&&(d(t.val)||m(t.val))}function T(e){switch(e.type){case"UnexpectedParseError":case"MissingBound":case"EmptyGroup":case"UnexpectedDifferential":case"UnexpectedEnd":return n.parseError();case"InvalidOperatorName":return n.invalidOperatorName();case"UnexpectedCloseDelimiter":case"MissingCloseDelimiter":return n.mismatchedBraces(e.open,e.close);case"UnrecognizedSymbol":return"."===e.val?n.unexpectedSymbol(e.val):n.unrecognizedSymbol(e.val);case"EmptyInput":return n.blankExpression();case"BinaryOperatorMissingRight":case"BinaryOperatorMissingLeft":return n.binaryOperatorMissingOperand("%"===e.val?"% of":e.val);case"UnaryOperatorMissingLeft":return n.unaryOperatorMissingLeft(e.val);case"UnaryOperatorMissingRight":return n.unaryOperatorMissingRight(e.val);case"UnexpectedSubscript":return n.cannotSubscript(e.base);case"PercentMissingOf":return n.percentMissingOf();case"SumMissingBound":return n.sumMissingBound();case"ProductMissingBound":return n.productMissingBound();case"IntegralMissingBound":return n.integralMissingBound();case"SumMissingBody":return n.sumMissingBody();case"ProductMissingBody":return n.productMissingBody();case"IntegralMissingBody":return n.integralMissingBody();case"DerivativeMissingBody":return n.derivativeMissingBody();case"IntegralMissingDifferential":return n.integralMissingDifferential();case"DifferentialWithSuperscript":return n.differentialWithSuperscript();case"FractionMissingNumerator":return n.fractionMissingNumerator();case"FractionMissingDenominator":return n.fractionMissingDenominator();case"FractionEmpty":return n.fractionEmpty();case"EmptySuperscript":return n.emptySuperscript();case"EmptySubscript":return n.emptySubscript();case"InvalidSubscript":return n.invalidSubscript(e.val);case"SuperscriptWithPrime":return n.superscriptWithPrime();case"PrimeWithoutParen":return n.primeWithoutParen();case"UnexpectedPrime":return n.unexpectedPrime();case"EmptyRadical":return n.emptyRadical();case"EmptyRadicand":return n.emptyRadicand();case"EmptyParen":return n.emptyParen();case"EmptySquareBracket":return n.emptySquareBracket();case"EmptyPipe":return n.emptyPipe();case"FunctionMissingArgument":return n.wrongArity(e.val,1,0);default:var t=e;throw"Unexpected surface node "+t.type+"."}}Object.defineProperty(t,"__esModule",{value:!0}),t.lower=s}),define("math/baseparser",["require","exports","math/errormsg","parsenodes","math/parser/latex-parser","math/parser/expression-parser","math/parser/lower"],function(e,t,r,n,i,a,s){"use strict";function o(){throw r.featureUnavailable()}function u(e,t){return e.setInputString(t),e}function c(e,t){if("string"!=typeof e)throw new Error("Type Error: parse can only be called with strings");t=t||{};var r=n;if(t.disabledFeatures){r=Object.create(r);for(var c=0,l=t.disabledFeatures;c<l.length;c++){var p=l[c];if(!r[p])throw new Error("Programming Error: "+p+" cannot be disabled because it is not a parsenode.");r[p]=o}}var f={nodes:r,currentIndex:t.index,setInput:u};try{var h=i.parse(e),d=a.parse(h);return s.lower(f,d)}catch(e){if(e instanceof n.Error)return e;if("string"==typeof e)return n.Error(e);throw e}}Object.defineProperty(t,"__esModule",{value:!0}),t.parse=c}),define("math/rational-arithmetic-sequence",["require","math/distance","math/builtin"],function(e){function t(e,t){var i=n.toFraction(e),a=n.toFraction(t);if(r.approx(i.n/i.d,e)&&r.approx(a.n/a.d,t)){var s=n.lcm(i.d,a.d),o=i.n*(s/i.d),u=a.n*(s/a.d),c=u-o;return{nstart:o,nstep:c,lcm:s}}}var r=e("math/distance"),n=e("math/builtin");return t}),define("math/features/getConcreteTree",["require","parsenodes","math/errormsg","math/types","graphing/label","math/distance","math/rational-arithmetic-sequence"],function(e){function t(e,t,r,n,i){if(r<e.length&&!u.approx(i,e.elementAt(r).constantValue,10))throw a.nonArithmeticRange();if(n-r<=t.length&&n-r>1&&!u.approx(i,t.elementAt(t.length-n+r).constantValue,10))throw a.nonArithmeticRange()}function r(e,t){for(var r=!1,n=!1,i=0;i<e.length;i++){var a=e[i];(a.isList||a.isBroadcast)&&(n=!0);for(var s=a.getDependencies(),o=0;o<s.length;o++)if(t.indexOf(s[o])!==-1){if(a.isList||a.isBroadcast)return"list"}else r=!0}return n?r?"broadcast":"list":"none"}function n(e){var t,r=[],n=[],a=[];for(t=0;t<e.length;t++){var o,u=e[t];if(u.isList){for(var c=!1,l=0;l<a.length;l++)if(u===a[l]){c=!0,o=i.DummyIndex(n[l]),o.valueType=s.elementType(u.valueType),r.push(o);break}if(!c){var p=i.Base.prototype.tmpVar();n.push(p),a.push(u),o=i.DummyIndex(p),o.valueType=s.elementType(u.valueType),r.push(o)}}else u.isBroadcast?(Array.prototype.push.apply(n,u._replacedSymbols),Array.prototype.push.apply(a,u._lists),r.push(u._expression)):r.push(u)}return{replacedArgs:a,concreteArgs:r,replacedSymbols:n}}var i=e("parsenodes"),a=e("math/errormsg"),s=e("math/types"),o=e("graphing/label"),u=e("math/distance"),c=e("math/rational-arithmetic-sequence"),l=i.List,p=i.OrderedPair,f=i.ScalarExpression,h=i.Constant,d=i.Multiply,m=i.Identifier,g=i.DummyIndex,y=i.BuiltInFunction;i.Base.prototype.getConcreteTree=function(e,t){if(t)return this._getConcreteTree(e,t);if(this.isConcreteTreeCacheValid(e))return this.__cachedConcreteTree.value;for(var r=this._getConcreteTree(e,t),n={},i=this.getCacheKeys().slice();;){if(!i.length)break;var a=i.pop();if(!n.hasOwnProperty(a)){var s=e[a];n[a]=s,s&&Array.prototype.push.apply(i,s.getCacheKeys())}}return this.__cachedConcreteTree={keys:n,value:r},r},i.Base.prototype.getCacheKeys=function(){return this.getDependencies()},i.Base.prototype.isConcreteTreeCacheValid=function(e){if(!this.__cachedConcreteTree)return!1;for(var t in this.__cachedConcreteTree.keys)if(this.__cachedConcreteTree.keys.hasOwnProperty(t)&&e[t]!==this.__cachedConcreteTree.keys[t])return!1;return!0},i.PercentOf.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):i.Divide([i.Multiply(this.args),i.Constant(100)]).getConcreteTree(e,t)},i.Assignment.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):this._expression.getConcreteTree(e,t)},i.Identifier.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=e[this._symbol];if(r){if(r.isError)throw r;return r.isFunction?r.getConcreteInvocationTree(e,[],t):r.getConcreteTree(e,t)}if(y.hasOwnProperty(this._symbol))throw a.functionUnsupported(o.latexToIdentifier(this.getInputString()));return i.FreeVariable(this._symbol)},i.Ans.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);if(void 0===e[this._symbol])throw a.ansUndefined();return m.prototype._getConcreteTree.call(this,e,t)},i.Equation.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):this.asComparator().getConcreteTree(e,t)},i.Constant.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):new this.constructor(this.constantValue)},i.Derivative.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r;if(e[this._symbol]){var n=Object.create(e);n[this._symbol]=i.FreeVariable(this._symbol);var o=e[this._symbol].getConcreteTree(e,t);if(o.valueType!==s.Number&&o.valueType!==s.ListOfNumber)throw a.derivativeVariableTypeError(this._symbol,[s.prettyPrint(o.valueType)]);var u={};return u[this._symbol]=o,r=this.args[0].getConcreteTree(n,t),this.typeCheck([r]),r.takeDerivative(this._symbol).substitute(u).getConcreteTree(e,t)}return r=this.args[0].getConcreteTree(e,t),this.typeCheck([r]),r.takeDerivative(this._symbol).getConcreteTree(e,t)},i.DoubleInequality.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):new this.constructor([i.Piecewise([this._indicator,this._expressions[0],h(NaN)]).getConcreteTree(e,t),this._operators[0],m(this._symbol),this._operators[1],i.Piecewise([this._indicator,this._expressions[1],h(NaN)]).getConcreteTree(e,t)])},i.Expression.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var r=[],n=0;n<this.args.length;n++)r.push(this.args[n].getConcreteTree(e,t));return this.typeCheck(r),this._constantCollapsedCopy(r)},i.Error.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):this},i.FreeVariable.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):this},i.FunctionCall.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=e[this._symbol];if(r&&r.isError)throw r;if(!r||!r.isFunction){if(y.hasOwnProperty(this._symbol))throw a.functionUnsupported(o.latexToIdentifier(this._identifier.getInputString()));if(1==this.args.length){var n=[m(this._symbol),this.args[0]];return d(n).getConcreteTree(e,t)}if(r)throw a.variableAsFunction(this._symbol);throw a.functionNotDefined(this._symbol)}for(var i=[],s=0;s<this.args.length;s++){var u=this.args[s].getConcreteTree(e,t);i.push(u)}return r.getConcreteInvocationTree(e,i,t)},i.FunctionExponent.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=this.args[0]._symbol;return e[r]&&e[r].isFunction?i.Exponent([i.FunctionCall(r,[this.args[1]]),this.args[2]]).getConcreteTree(e,t):d([this.args[0],i.Exponent([this.args[1],this.args[2]])]).getConcreteTree(e,t)},i.FunctionDefinition.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var r=0;r<this._argSymbols.length;r++){if(e[this._argSymbols[r]])throw a.parameterAlreadyDefined(this._argSymbols[r]);if(this._argSymbols[r]===this._symbol)throw a.parameterAlreadyDefined(this._argSymbols[r])}return this._expression.getConcreteTree(e,t)},i.Image.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):i.Image({center:this.center.tryGetConcreteTree(e,t),radianAngle:this.radianAngle.tryGetConcreteTree(e,t),width:this.width.tryGetConcreteTree(e,t),height:this.height.tryGetConcreteTree(e,t)},this.moveStrategy)},i.Integral.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);if(e[this._differential._symbol])throw a.shadowedIntegrationVariable(this._differential._symbol);var r=this.args[0],n=this.args[1],i=this.args[2];if(n.dependsOn(r._symbol)||i.dependsOn(r._symbol))throw a.badIntegralBoundDependency(r._symbol);var s=Object.create(e);s[this._differential._symbol]=g(this._differential._symbol);var o=f.prototype._getConcreteTree.call(this,s,t);return o},i.ListAccess.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=this.index.getConcreteTree(e,t),n=this.list.getConcreteTree(e,t),i=[n,r];return this.typeCheck(i),this._constantCollapsedCopy(i)},i.List.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var r=[],n=0;n<this.args.length;n++){var i=this.args[n].getConcreteTree(e,t);r.push(i)}return this.typeCheck(r),new this.constructor(r)},i.ParametrizedReducerFunction.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var a=[],s=0;s<this.args.length;s++)a.push(this.args[s].getConcreteTree(e,t));switch(r([a[1]],this.getDummyDependencies())){case"none":return this.typeCheck(a),this._constantCollapsedCopy(a);case"list":return i.List(i.List.mapArgs([a[1]],function(e){return e=[a[0]].concat(e),this.typeCheck(e),this._constantCollapsedCopy(e)}.bind(this)));case"broadcast":var o=n([a[1]]),u=[a[0]].concat(o.concreteArgs);return this.typeCheck(u),i.Broadcast(o.replacedSymbols,[this.copyWithArgs(u)].concat(o.replacedArgs))}},i.Prime.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=this.args[0],n=r.args[0];if(!e[r._symbol])throw a.functionNotDefined(r._symbol);var i,s=this.tmpVar();if("logbase"===r._symbol){if(2!==r.args.length)throw a.primedFunctionArity();i=[m(s),r.args[1]]}else{if(1!==r.args.length)throw a.primedFunctionArity();i=[m(s)]}for(var o=r.copyWithArgs(i).getConcreteTree(e,t),u=0;u<this.order;u++)o=o.takeDerivative(s);var c={};return c[s]=n,o.substitute(c).getConcreteTree(e,t)},i.Range.prototype._getConcreteTree=function(e,r){if(r&&r[this.type])return r[this.type].call(this,e,r);var n=this.beginning.getConcreteTree(e,r),i=this.end.getConcreteTree(e,r);if(n.getDependencies().length)throw a.variableRange(n.getDependencies());if(i.getDependencies().length)throw a.variableRange(i.getDependencies());if(!n.isList||!i.isList)throw new Error("Programming Error: range bounds must be List nodes.");var s,o,u=n.elementAt(0).constantValue,p=i.elementAt(i.length-1).constantValue,f=p-u;if(1===n.length)s=f>=0?1:-1;else{var d=n.elementAt(1).constantValue;o=c(u,d),s=n.elementAt(1).constantValue-u}var m=Math.round(f/s)+1;if(!isFinite(m)||m<n.length||m<i.length)throw a.nonArithmeticRange();var g,y,v=[];if(o){var b=o.nstart;for(g=0;g<m;g++)y=b/o.lcm,t(n,i,g,m,y),v.push(h(y)),b+=o.nstep}else for(v.push(h(u)),g=1;g<m;g++)y=u+g*s,t(n,i,g,m,y),v.push(h(y));return l(v)},i.ReducerFunction.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);if(0===this.args.length)throw a.zeroArgReducer(this._symbol);for(var s=[],o=0;o<this.args.length;o++)s.push(this.args[o].getConcreteTree(e,t));if(1===this.args.length)return s=[i.List.wrap(s[0])],this.typeCheck(s),this._constantCollapsedCopy(s);switch(r(s,this.getDummyDependencies())){case"none":return s=[i.List(s)],this.typeCheck(s),this._constantCollapsedCopy(s);case"list":return i.List(i.List.mapArgs(s,function(e){return e=[i.List(e)],this.typeCheck(e),this._constantCollapsedCopy(e)}.bind(this)));case"broadcast":var u=n(s);return s=[i.List(u.concreteArgs)],this.typeCheck(s),i.Broadcast(u.replacedSymbols,[this.copyWithArgs(s)].concat(u.replacedArgs))}},i.RepeatedOperator.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);if(e[this._index._symbol])throw a.shadowedIndex(this._index._symbol);var r=Object.create(e);r[this._index._symbol]=g(this._index._symbol);var n=f.prototype._getConcreteTree.call(this,r,t);return n},i.ScalarExpression.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var a=[],s=0;s<this.args.length;s++)a.push(this.args[s].getConcreteTree(e,t));switch(r(a,this.getDummyDependencies())){case"none":return this.typeCheck(a),this._constantCollapsedCopy(a);case"list":return i.List(i.List.mapArgs(a,function(e){return this.typeCheck(e),this._constantCollapsedCopy(e)}.bind(this)));case"broadcast":var o=n(a);return this.typeCheck(o.concreteArgs),i.Broadcast(o.replacedSymbols,[this.copyWithArgs(o.concreteArgs)].concat(o.replacedArgs))}},i.Regression.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):new this.constructor(this._lhs,this._rhs)},i.Polygon.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);var r=this.args.map(function(t){return t.getConcreteTree(e)});return this.typeCheck(r),1===r.length&&r[0].valueType===s.ListOfPoint?new this.constructor(r):r.every(function(e){return e.valueType===s.Point})?new this.constructor([l(r)]):2===r.length?new this.constructor([p(this.args).getConcreteTree(e)]):a.parseError()},i.SolvedEquation.prototype._getConcreteTree=function(e,t){return t&&t[this.type]?t[this.type].call(this,e,t):new this.constructor(this._symbol,this._expression.getConcreteTree(e,t))},i.Table.prototype._getConcreteTree=function(e,t){if(t&&t[this.type])return t[this.type].call(this,e,t);for(var r=[],n=Object.create(e),i=0;i<this.columns.length;i++){var a=this.columns[i].getConcreteTree(n,e,t);a.isIndependent&&this.columns[i].exportToLocal(a,n),r.push(a)}return new this.constructor(r)},i.TableColumn.prototype._getConcreteTree=function(e,t){var r,n,i=this.header.getConcreteTree(e);if(i.isFreeVariable){r=[];for(var o=0;o<this.values.length;o++)if(this.values[o].tableError())r.push(a.invalidTableEntry(this.values[o].tableError()));else{var u=this.values[o].tryGetConcreteTree(e);u.isError?r.push(u):u.tableError()?r.push(a.invalidTableEntry(u.tableError())):u.valueType===s.Number?r.push(u):r.push(a.tableEntryTypeError([s.prettyPrint(u.valueType)]))}return n=new this.constructor(i,this.length,r),n.isIndependent=!0,n}if(i.isConstant){for(var c=[],l=0;l<this.length;l++)c.push(i);r=c}else r=i.isList?i.args:[];return i=this.header.getConcreteTree(t),i.isError||i.valueType===s.Number||i.valueType===s.ListOfNumber||(i=a.tableHeaderTypeError([s.prettyPrint(i.valueType)])),n=new this.constructor(i,this.length,r)}}),define("math/features/getValueType",["require","parsenodes","math/types"],function(e){function t(){return s.Number}function r(){return s.Bool}function n(){return s.Point}function i(){return s.Any}var a=e("parsenodes"),s=e("math/types"),o={Add:t,Multiply:t,Divide:t,Subtract:t,Exponent:t,Negative:t,And:r,Piecewise:function(e){return e[1].valueType},BaseComparator:r,RepeatedOperator:t,List:function(e){if(0===e.length)return s.ListOfAny;for(var t=e[0].valueType,r=1;r<e.length;r++)if(e[r].valueType!==t)return s.ListOfAny;return s.hasListType(t)?s.listType(t):s.ListOfAny},ListAccess:function(e){return s.elementType(e[0].valueType)},Broadcast:function(e){return s.listType(e[0].valueType)},OrderedPairAccess:t,OrderedPair:n,NativeFunction:t,ReducerFunction:t,DoubleReducerFunction:t,ParametrizedReducerFunction:t,DummyIndex:t,FreeVariable:t,Constant:function(){switch(typeof this.constantValue){case"number":return s.Number;case"boolean":return s.Bool;default:throw new Error("Constant node expects value of type number or boolean, but saw "+typeof value)}},TypedFunction:function(){return this._outputType},Derivative:t,Integral:t,Identifier:i};for(var u in o)a[u].prototype._getValueType=o[u]}),define("math/features/typeCheck",["require","parsenodes","math/types","math/errormsg"],function(e){function t(e){for(var t=[],r=0;r<e.length;r++)t.push(i.prettyPrint(e[r].valueType));return t}function r(e,r){return function(n){for(var i=0;i<n.length;i++)if(n[i].valueType!==e[i])throw r(t(n))}}var n=e("parsenodes"),i=e("math/types"),a=e("math/errormsg"),s={Add:r([i.Number,i.Number],a.addTypeError),Multiply:r([i.Number,i.Number],a.multiplyTypeError),Divide:r([i.Number,i.Number],a.divideTypeError),Subtract:r([i.Number,i.Number],a.subtractTypeError),Exponent:r([i.Number,i.Number],a.exponentTypeError),Negative:r([i.Number],a.negativeTypeError),BaseComparator:r([i.Number,i.Number],a.comparatorTypeError),And:r([i.Bool,i.Bool],a.andTypeError),List:function(e){if(0!==e.length){var t=e[0].valueType;if(!i.hasListType(t))throw a.listTypeError([i.prettyPrint(t)]);for(var r=0;r<e.length;r++){var n=e[r].valueType;if(!i.hasListType(n))throw 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a.productLowerBoundTypeError([i.prettyPrint(e[1].valueType)]);if(e[2].valueType!==i.Number)throw a.productUpperBoundTypeError([i.prettyPrint(e[2].valueType)]);if(e[3].valueType!==i.Number)throw a.productArgumentTypeError([i.prettyPrint(e[3].valueType)])},Integral:function(e){if(e[1].valueType!==i.Number)throw a.integralLowerBoundTypeError([i.prettyPrint(e[1].valueType)]);if(e[2].valueType!==i.Number)throw a.integralUpperBoundTypeError([i.prettyPrint(e[2].valueType)]);if(e[3].valueType!==i.Number)throw a.integralArgumentTypeError([i.prettyPrint(e[3].valueType)])},NativeFunction:function(e){for(var r=0;r<e.length;r++)if(e[r].valueType!==i.Number)throw a.functionTypeError(this._symbol,t(e))},ReducerFunction:function(e){if(e[0].valueType!==i.ListOfNumber)throw a.functionTypeError(this._symbol,t(e))},DoubleReducerFunction:function(e){if(!i.isList(e[0].valueType)||!i.isList(e[1].valueType))throw a.nonListDoubleReducer(this._symbol);if(e[0].valueType!==i.ListOfNumber||e[1].valueType!==i.ListOfNumber)throw a.functionTypeError(this._symbol,t(e))},ParametrizedReducerFunction:function(e){if(e[0].valueType!==i.ListOfNumber)throw a.nonListParametrizedReducer(this._symbol);if(e[1].valueType!==i.Number)throw a.functionTypeError(this._symbol,t(e))},TypedFunction:function(e){for(var r=0;r<e.length;r++)if(e[r].valueType!==this._inputTypes[r])throw a.functionTypeError(this._symbol,t(e))},Derivative:function(e){if(e[0].valueType!==i.Number&&e[0].valueType!==i.ListOfNumber)throw a.derivativeTypeError(t(e))},Regression:function(e){if(e[0].valueType!==i.Number&&e[0].valueType!==i.ListOfNumber||e[1].valueType!==i.Number&&e[1].valueType!==i.ListOfNumber)throw a.regressionTypeError(t(e))},Polygon:function(e){if(1===e.length&&e[0].valueType!==i.ListOfPoint)throw a.polygonListTypeError(t(e));if(2===e.length&&e[0].valueType===i.Number&&e[1].valueType===i.Number)throw a.polygonTwoNumbersError();if(e.length>2&&!e.every(function(e){return e.valueType===i.Point}))throw a.polygonPointArgsError()}};for(var o in s)n[o].prototype.typeCheck=s[o]}),define("math/features/repr",["require","parsenodes"],function(e){var t=e("parsenodes"),r=function(e,t,r){r=r||0;var n=Array(r+1).join("  "),i=n+"  ";return"[\\n"+i+e.map(function(e){return e.repr(t,r+1)}).join(",\\n"+i)+"\\n"+n+"]"},n=function(e,t){return t=t||"",""+t+e};t.Expression.prototype.repr=function(e,t){return n(this.type,e)+"("+r(this.args,e,t)+")"},t.DoubleInequality.prototype.repr=function(e,t){t=t||0;var r=Array(t+1).join("  "),i=r+"  ";return n(this.type,e)+"([\\n"+i+this.args[0].repr(e,t+1)+",\\n"+i+"\'"+this.args[1]+"\',\\n"+i+this.args[2].repr(e,t+1)+",\\n"+i+"\'"+this.args[3]+"\',\\n"+i+this.args[4].repr(e,t+1)+"\\n"+r+"])"},t.Identifier.prototype.repr=t.FreeVariable.prototype.repr=function(e){return n(this.type,e)+"(\'"+this._symbol+"\')"},t.Constant.prototype.repr=function(e){return n(this.type,e)+"("+this.constantValue+")"},t.FunctionCall.prototype.repr=function(e,t){return n(this.type,e)+"(\'"+this._symbol+"\', "+r(this.args,e,t)+")"},t.Assignment.prototype.repr=function(e,r){return n(this.type,e)+"("+t.Identifier(this._symbol).repr(e,r)+", "+this._expression.repr(e,r)+")"},t.Regression.prototype.repr=t.Equation.prototype.repr=function(e,t){return n(this.type,e)+"("+this._lhs.repr(e,t)+", "+this._rhs.repr(e,t)+")"},t.FunctionDefinition.prototype.repr=function(e,i){return n(this.type,e)+"("+t.Identifier(this._symbol).repr(e,i)+", "+r(this._argSymbols.map(function(e){return t.Identifier(e)}),e,i)+", "+this._expression.repr(e,i)+")"},t.Error.prototype.repr=function(e,t){return n(this.type,e)+"(\'"+this._msg+"\')"},t.Derivative.prototype.repr=function(e,t){return n(this.type,e)+"(\'"+this._symbol+"\', "+r(this.args,e,t)+")"},t.SolvedEquation.prototype.repr=function(e,t){return n(this.type,e)+"(\'"+this._symbol+"\', 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s=t[a].prototype;s.scalarEvalExpression=n[a],s.evaluate=r.createEvaluateFunction(s.scalarEvalExpression,i[a])}}),define("math/reconstitute-node",["require","parsenodes","math/types"],function(e){function t(e,i){if(n.isList(e)){for(var a=[],s=0;s<i.length;s++)a.push(t(n.elementType(e),i[s]));var o=r.List(a);return o.valueType=e,o}switch(e){case n.Number:case n.Bool:return r.Constant(i);case n.Point:return r.OrderedPair([r.Constant(i[0]),r.Constant(i[1])]);default:throw new Error("Cannot reconstitute value of a "+n.prettyPrint(e)+".")}}var r=e("parsenodes"),n=e("math/types");return t}),define("math/features/constantcollapsedcopy",["require","parsenodes","math/builtin","math/distance","math/reconstitute-node"],function(e){var t=e("parsenodes"),r=t.Constant,n=t.Multiply,i=t.Subtract,a=t.RawExponent,s=t.BuiltInFunction,o=e("math/builtin"),u=e("math/distance"),c=e("math/reconstitute-node"),l={Expression:function(e){return this.copyWithArgs(e)},FreeVariable:function(e){return this},ScalarExpression:function(e){for(var t=[],n=0;n<e.length;n++){if(!e[n].isConstant)return this.copyWithArgs(e);t.push(e[n].constantValue)}return r(this.evaluate(t))},OrderedPair:function(e){return this.copyWithArgs(e)},Add:function(e){return e[0].isConstant&&e[1].isConstant?r(this.evaluate([e[0].constantValue,e[1].constantValue])):0===e[0].constantValue?e[1]:0===e[1].constantValue?e[0]:this.copyWithArgs(e)},Multiply:function(e){return e[0].isConstant&&e[1].isConstant?r(this.evaluate([e[0].constantValue,e[1].constantValue])):1===e[0].constantValue?e[1]:1===e[1].constantValue?e[0]:this.copyWithArgs(e)},Subtract:function(e){return e[0].isConstant&&e[1].isConstant?r(this.evaluate([e[0].constantValue,e[1].constantValue])):0===e[0].constantValue?t.Negative([e[1]]):0===e[1].constantValue?e[0]:this.copyWithArgs(e)},Divide:function(e){return e[0].isConstant&&e[1].isConstant?r(this.evaluate([e[0].constantValue,e[1].constantValue])):1===e[1].constantValue?e[0]:this.copyWithArgs(e)},Exponent:function(e){if(e[0].isConstant&&e[1].isConstant)return r(this.evaluate([e[0].constantValue,e[1].constantValue]));if(e[0].isConstant){if(e[0].constantValue===Math.E)return s.exp([e[1]]);if(e[0].constantValue>0)return a(e)}if(e[1].isConstant){var t=e[1].constantValue;if(1===t)return e[0];if(t===Math.floor(t))return a(e);var i=o.toFraction(t,100);return u.approx(i.n/i.d,t,2)&&i.d%2===1?n([i.n%2===0?r(1):s.sign([e[0]]),a([s.abs([e[0]]),e[1]])]):a(e)}return this.copyWithArgs(e)},RawExponent:function(e){return e[0].isConstant&&e[1].isConstant?r(this.evaluate([e[0].constantValue,e[1].constantValue])):this.copyWithArgs(e)},Negative:function(e){return e[0].isConstant?r(-e[0].constantValue):e[0]instanceof t.Negative?e[0].args[0]:this.copyWithArgs(e)},And:function(e){return e[0].isConstant&&e[1].isConstant?r(e[0].constantValue&&e[1].constantValue):e[0].isConstant&&e[0]===!0?e[1]:e[0].isConstant&&e[0]===!1?r(!1):e[1].isConstant&&e[1]===!0?e[0]:e[1].isConstant&&e[1]===!1?r(!1):this.copyWithArgs(e)},Piecewise:function(e){return e[0].isConstant&&e[0].constantValue===!0?e[1]:e[0].isConstant&&e[0].constantValue===!1?e[2]:this.copyWithArgs(e)},Integral:function(e){var t=e[0],a=e[1],s=e[2],o=e[3],u=o.getDependencies();if(a.isConstant&&s.isConstant){var c=s.constantValue-a.constantValue;if(o.isConstant)return r(o.constantValue*c);if(!o.dependsOn(t._symbol))return n([o,r(c)]);if(1===u.length&&u[0]===t._symbol)return r(this.evaluate(a.constantValue,s.constantValue,o))}else if(!o.dependsOn(t._symbol))return n([o,i([s,a])]);return this.copyWithArgs(e)},ListAccess:function(e){return e[1].isConstant?e[0].elementAt(e[1].constantValue-1):this.copyWithArgs(e)},OrderedPairAccess:function(e){return e[1].isConstant&&e[0]instanceof t.OrderedPair?e[0].elementAt(e[1].constantValue-1):this.copyWithArgs(e)},Broadcast:function(e){var t=e[0].getDependencies();for(r=0;r<t.length;r++)if(this._replacedSymbols.indexOf(t[r])===-1)return this.copyWithArgs(e);for(var r=1;r<e.length;r++)if(0!==e[r].getDependencies().length)return this.copyWithArgs(e);return c(this.valueType,this.evaluate(e.slice(1).map(function(e){return e.asValue()})))},ReducerFunction:function(e){return 0===e[0].getDependencies().length?c(this.valueType,this.evaluate([e[0].asValue()])):this.copyWithArgs(e)},DoubleReducerFunction:function(e){if(0===e[0].getDependencies().length&&0===e[1].getDependencies().length){var t=Math.min(e[0].length,e[1].length);return c(this.valueType,this.evaluate([e[0].asValue().slice(0,t),e[1].asValue().slice(0,t)]))}return this.copyWithArgs(e)},ParametrizedReducerFunction:function(e){var t=e[0],r=e[1];return r.isConstant&&0===t.getDependencies().length?c(this.valueType,this.evaluate([t.asValue(),r.asValue()])):this.copyWithArgs(e)},RepeatedOperator:function(e){if(e[1].isConstant&&e[2].isConstant){var t=e[1].constantValue,n=e[2].constantValue,i=e[3];if(i.isConstant)return r(this.evaluateConstant([t,n,i.constantValue]));var a=i.getDependencies();if(0===a.length||1===a.length&&a[0]===e[0]._symbol)return r(this.evaluate(t,n,i))}return this.copyWithArgs(e)}};for(var p in l)t[p].prototype._constantCollapsedCopy=l[p];s.distance.prototype._constantCollapsedCopy=function(e){return 0===e[0].getDependencies().length&&0===e[1].getDependencies().length?r(this.evaluate([e[0].asArray(),e[1].asArray()])):this.copyWithArgs(e)},s.midpoint.prototype._constantCollapsedCopy=function(e){if(0===e[0].getDependencies().length&&0===e[1].getDependencies().length){var n=this.evaluate([e[0].asArray(),e[1].asArray()]);return t.OrderedPair([r(n[0]),r(n[1])])}return this.copyWithArgs(e)}}),define("math/features/polynomialorder",["require","parsenodes"],function(e){var t=e("parsenodes"),r={Expression:"this.dependsOn(symbol) ? Infinity : 0",FreeVariable:"(symbol === this._symbol ? 1 : 0)",Constant:"0",Add:"Math.max(order0, order1)",Subtract:"Math.max(order0, order1)",Multiply:"order0 + order1",Negative:"order0",Divide:"order1 > 0 ? Infinity : order0"},n=function(e){return e=e.replace("order0","this.args[0].polynomialOrder(symbol)"),e=e.replace("order1","this.args[1].polynomialOrder(symbol)"),new Function(["symbol"],"return "+e)};for(var i in r){var a=r[i];t[i].prototype.polynomialOrder=n(a)}t.Exponent.prototype.polynomialOrder=function(e){var t=this.args[0].polynomialOrder(e),r=this.args[1].polynomialOrder(e);if(0===t&&0===r)return 0;var n=this.args[1];return n.isConstant&&n.constantValue===Math.round(n.constantValue)&&n.constantValue>0?t*n.constantValue:1/0},t.Piecewise.prototype.polynomialOrder=function(e){return this.dependsOn(e)?this.args[2].isConstant&&this.args[2].isNaN()?this.args[1].polynomialOrder(e):1/0:0},t.List.prototype.polynomialOrder=function(e){return 1/0}}),define("math/features/polynomialcoefficients",["require","parsenodes"],function(e){var t=e("parsenodes"),r=t.Constant(0),n=t.Constant(1);t.FreeVariable.prototype.getPolynomialCoefficients=function(e){return e===this._symbol?[r,n]:[this]},t.Constant.prototype.getPolynomialCoefficients=function(e){return[this]},t.Add.prototype.getPolynomialCoefficients=function(e){for(var r=this.args[0].getPolynomialCoefficients(e),n=this.args[1].getPolynomialCoefficients(e),i=r.length-1,a=n.length-1,s=[],o=0;o<=Math.max(i,a);o++)i>=o&&a>=o?s.push(t.Add([r[o],n[o]])):s.push(i>a?r[o]:n[o]);return s},t.Subtract.prototype.getPolynomialCoefficients=function(e){for(var r=this.args[0].getPolynomialCoefficients(e),n=this.args[1].getPolynomialCoefficients(e),i=r.length-1,a=n.length-1,s=[],o=0;o<=Math.max(i,a);o++)i>=o&&a>=o?s.push(t.Subtract([r[o],n[o]])):s.push(i>a?r[o]:t.Negative([n[o]]));return s},t.Negative.prototype.getPolynomialCoefficients=function(e){for(var r=this.args[0].getPolynomialCoefficients(e),n=[],i=0;i<r.length;i++)n.push(t.Negative([r[i]]));return n},t.Exponent.prototype.getPolynomialCoefficients=function(e){var n=this.args[0].getPolynomialCoefficients(e),i=this.args[1].getPolynomialCoefficients(e),a=n.length-1,s=i.length-1;if(s>0)throw"can\'t solve for variable in exponent";if(0===a)return[t.Exponent([n[0],i[0]])];if(this.args[1].isConstant){var o=this.args[1].constantValue;switch(o){case 0:return[r];case 1:return n;case 2:return t.Multiply([this.args[0],this.args[0]]).getPolynomialCoefficients(e)}}throw"Unable to compile polynomial representation"},t.Multiply.prototype.getPolynomialCoefficients=function(e){for(var r=this.args[0].getPolynomialCoefficients(e),n=this.args[1].getPolynomialCoefficients(e),i=r.length-1,a=n.length-1,s=[],o=0;o<=i;o++)for(var u=0;u<=a;u++){var c=t.Multiply([r[o],n[u]]),l=s[o+u];void 0===l?s[o+u]=c:s[o+u]=t.Add([l,c])}return s},t.Divide.prototype.getPolynomialCoefficients=function(e){var r=this.args[0].getPolynomialCoefficients(e),n=this.args[1].getPolynomialCoefficients(e),i=n.length-1,a=[];if(i>0)throw"Can\'t solve for variable in denominator";for(var s=0;s<r.length;s++)a.push(t.Divide([r[s],n[0]]));return a},t.Expression.prototype.getPolynomialCoefficients=function(e){if(this.dependsOn(e))throw"Unimplemented polynomialCoefficient call";return[this]},t.Piecewise.prototype.getPolynomialCoefficients=function(e){if(!this.dependsOn(e))return[this];var t=this.args[1].getPolynomialCoefficients(e);return t}}),define("math/features/extractconditions",["require","parsenodes"],function(e){var t=e("parsenodes");t.Expression.prototype.extractConditions=function(e,t){for(var r=0;r<this.args.length;r++){var n=this.args[r];t=n.extractConditions(e,t)}return t},t.Constant.prototype.extractConditions=function(e,t){return t},t.Piecewise.prototype.extractConditions=function(e,r){if(!this.dependsOn(e))return r;if(!this.args[0].dependsOn(e))return r=this.args[1].extractConditions(e,r),r=this.args[2].extractConditions(e,r);var n={};return 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g(e,this,t.Divide([t.Add([t.Add([t.Subtract([t.Multiply([f,u]),t.Multiply([f,l])]),t.Subtract([t.Multiply([d,l]),t.Multiply([d,u])])]),t.Add([t.Subtract([t.Multiply([h,c]),t.Multiply([h,p])]),t.Subtract([t.Multiply([m,p]),t.Multiply([m,c])])])]),i.distance([this.args[0],this.args[1]])])).getConcreteTree(n)},i.midpoint.prototype.takeDerivative=function(e){var r=this.args[0],a=this.args[1],u=t.OrderedPairAccess([r,s]),c=t.OrderedPairAccess([r,o]),l=t.OrderedPairAccess([a,s]),p=t.OrderedPairAccess([a,o]),f=g(e,u,u.takeDerivative(e)),h=g(e,c,c.takeDerivative(e)),d=g(e,l,l.takeDerivative(e)),m=g(e,p,p.takeDerivative(e));return t.OrderedPair([i.mean([f,d]),i.mean([h,m])]).getConcreteTree(n)};var g=function(e,t,r){return t.dependsOn(e)?r:a};for(var y in u){var v=u[y];t[y].prototype.takeDerivative=v}}),define("math/features/substitute",["require","parsenodes"],function(e){var t=e("parsenodes"),r={Identifier:function(e){return e[this._symbol]?e[this._symbol]:this},FreeVariable:function(e){return e[this._symbol]?e[this._symbol]:this},Constant:function(e){return this},Expression:function(e){return this.copyWithArgs(this.args.map(function(t){return t.substitute(e)}))},List:function(e){return t.List(this.args.map(function(t){return t.substitute(e)}))},SolvedEquation:function(e){return new this.constructor(this._symbol,this._expression.substitute(e))},OptimizedRegression:function(e){return new this.constructor(this.model.substitute(e),this.parameters,this.residualVariables,this.residuals,this.statistics)}};for(var n in r)t[n].prototype.substitute=r[n]}),define("math/features/solve",["require","math/baseparser","parsenodes","math/errormsg","math/builtinframe","worker/workerconfig"],function(e){function t(e){var t=Object.create(m);return t.a=e[2]?e[2].tryGetConcreteTree(m):y,t.b=e[1]?e[1].tryGetConcreteTree(m):y,t.c=e[0]?e[0].tryGetConcreteTree(m):y,t}function r(e){return 0===e.a.constantValue?0===e.b.constantValue?0:1:2}function n(e,n,i,a){for(var s,o,u=[],c=[],l=0;l<i.length;l++){var p=i[l],f=0;h.eachArgs([n],function(e){var t=e[0];f=Math.max(f,t.polynomialOrder(p))});var d=f>2,m=i.length>1&&!e.validSolvedVariable(p),g=a&&n.extractConditions(p,y)!==y;d||m||g?(c[l]={},u[l]=1/0):(c[l]=[],u[l]=0,h.eachArgs([n],function(e){var n=e[0];o=t(n.getPolynomialCoefficients(p)),c[l].push(o),u[l]=Math.max(u[l],r(o))}))}var v;if(1===i.length)o=c[0],s=i[0],v=u[0];else{var b;b=0===u[0]?1:0===u[1]?0:u[0]<u[1]?0:1,o=c[b],s=i[b],v=u[b]}return{localFrame:o,variableOfInterest:s,effectiveOrder:v}}function i(e,t){return t?I.inequality:I.generalEquation}function a(e){e.f=v.getConcreteTree(e),e.g=b.getConcreteTree(e),e.p=x.getConcreteTree(e),e.q=_.getConcreteTree(e),e.m=c(1e305)}var s=e("math/baseparser"),o=e("parsenodes"),u=o.Base,c=o.Constant,l=o.Equation,p=o.SolvedEquation,f=o.BaseComparator,h=o.List,d=e("math/errormsg"),m=e("math/builtinframe"),g=e("worker/workerconfig"),y=c(0),v=s.parse("b*b"),b=s.parse("4*a*c"),x=s.parse("(-b+\\\\sqrt{b*b-4*a*c})/(2*a)"),_=s.parse("(-b-\\\\sqrt{b*b-4*a*c})/(2*a)"),E=s.parse("[\\\\{\\\\abs(b)>0:-c/b\\\\}]"),S=s.parse("[\\\\{\\\\abs(a)>0:-b/(2*a)\\\\}]"),w=s.parse("[\\\\{a=0:\\\\{b<0:-c/b\\\\},q\\\\},\\\\{a=0:\\\\{b>0:-c/b\\\\},p\\\\}]"),M=s.parse("[\\\\{a=0:\\\\{b<0:-c/b\\\\},a>0:q\\\\},\\\\{a=0:\\\\{b=0:\\\\{c>0:-m\\\\}\\\\},a>0:\\\\{f<g:-m\\\\},p\\\\},\\\\{a=0:\\\\{b=0:\\\\{c>0:m\\\\}\\\\},a>0:\\\\{f<g:m\\\\},q\\\\},\\\\{a=0:\\\\{b>0:-c/b\\\\},a>0:p\\\\}]"),I={inequality:function(e){return a(e),M.getConcreteTree(e)},generalEquation:function(e){return a(e),e.a.isConstant&&0===e.a.constantValue?E.getConcreteTree(e):e.f.isConstant&&e.g.isConstant&&e.f.constantValue-e.g.constantValue===0?S.getConcreteTree(e):w.getConcreteTree(e)}};u.prototype.trySolve=function(e,t){try{return this.solve(e,t)}catch(e){if(e instanceof o.Error)return e;throw e}},l.prototype.solve=function(e,t){return this.asComparator().solve(e,t)},f.prototype.solve=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return r;if(r.isConstant)return r;var a="="!==this.getOperator(),s=this._difference.tryGetConcreteTree(t);s.isBroadcast&&(s=h(s.mapElements(function(e){return e})));var o=s.getDependencies();if(0===o.length)return s.isList?h(s.args.map(function(e){return c(0===e.constantValue)})):c(0===s.constantValue);if(1===o.length&&s.isList&&!a)return s;if(1===o.length&&!a&&!g.plotSingleVariableImplicitEquations)return d.singleVariableImplicitEquationsDisabled();var u=h.wrap(s);if(o.length>2)return d.tooManyVariables(this.getSliderVariables(e,r)).setDependencies(o);if(a&&!e.validInequalityVariables(o))return d.invalidInequalityVariables().setDependencies(o);var l=n(e,u,o,a),f=l.localFrame,m=l.effectiveOrder,y=l.variableOfInterest;if(e.complicatedPolarImplicit(y,m))return d.complicatedPolarImplicit().setDependencies(o);if(!e.validImplicitVariables(o))return d.invalidImplicitVariables();if(m>2)return s;for(var v=i(o,a),b=[],x=0;x<f.length;x++){var _=v(f[x]);if(_.isError)return _;if(_.isConstant)b.push(_);else for(var E=0;E<_.args.length;E++){var S=_.args[E],w=u.args[x].extractConditions(y,S).getConcreteTree(t);b.push(w)}}return p(y,h(b))}}),define("math/evaluationstate",["require","graphing/graphmode","parsenodes","graphing/label"],function(e){function t(e){return e.isError?e.getError():void 0===e.constantValue?"":+e.constantValue}function r(e,r,n){for(var i=[],a=0;a<r.columns.length;a++){var s=n.columns[a],o={dependent:!s.isIndependent,discrete:s.isIndependent};s.isError?(o.error=s.getError(),o.values=[]):o.values=s.values.map(t),i.push(o)}return{column_data:i}}function n(e,t,r){var n={variables:[],errorMap:{},dimensions:{}};if(r.center.isError&&(n.errorMap.center=!0),r.radianAngle.isError&&(n.errorMap.angle=!0),r.width.isError&&(n.errorMap.width=!0),r.height.isError&&(n.errorMap.height=!0),r.center.isError||r.radianAngle.isError||r.width.isError||r.height.isError)return n.variables=t.getSliderVariables(e,r),n;n.dimensions.x=[],n.dimensions.y=[],n.dimensions.radianAngle=[],n.dimensions.width=[],n.dimensions.height=[],a.List.eachArgs([r.center,r.radianAngle,r.width,r.height],function(e){n.dimensions.x.push(+e[0].args[0].constantValue),n.dimensions.y.push(+e[0].args[1].constantValue),n.dimensions.radianAngle.push(+e[1].constantValue),n.dimensions.width.push(+e[2].constantValue),n.dimensions.height.push(+e[3].constantValue)});var s=e.graphingEnabled()?t.getGraphMode(e,r):i.NONE;return s!==i.NONE&&(n.is_graphable=!0),r.moveStrategy&&(n.move_strategy=r.moveStrategy),n}var i=e("graphing/graphmode"),a=e("parsenodes"),s=e("graphing/label"),o=function(){return{operator:"=",variables:[]}},u=function(e,t,u){if(t.isTable)return r(e,t,u);if(t.isImage)return n(e,t,u);var c=o();if(u.isError&&(!(t instanceof a.FunctionDefinition)||u.blocksExport))return c.error=u.getError(),c.variables=t.getSliderVariables(e,u),c.is_single_identifier=t instanceof a.Identifier,c;u.moveStrategy&&(c.move_strategy=u.moveStrategy,c.default_drag_mode=u.defaultDragMode),t.isInequality()&&(c.is_inequality=!0),c.operator=t.getOperator(),u instanceof a.SolvedEquation?u._expression.constantValue!==!0&&u._expression.constantValue!==!1&&(c.assignment=u._symbol):t instanceof a.Assignment&&(c.assignment=t._symbol);var l=e.graphingEnabled()?t.getGraphMode(e,u):i.NONE;if(l!==i.NONE){c.is_graphable=!0,c.expression_type=t.getExpressionType(l,u.valueType),u.isShadeBetween()&&(c.is_shade_between=!0);var p=t.tableInfo(e,u);p&&(c.is_tableable=!0,c.table_info=p)}c.variables=c.is_graphable?[]:t.getSliderVariables(e,u),c.is_single_identifier=t instanceof a.Identifier;var f=t.getSliderInfo();f?(c.is_slidable=!0,c.is_animatable=!c.is_graphable,c.constant_value=f.value):u.isConstant&&(c.constant_value=u.constantValue);var h=u.getEvaluationInfo();if(!h||"="!==c.operator||t.isConstant||t.isFunction||c.is_slidable||(c.is_evaluable=!0,c.zero_values=h),u instanceof a.OptimizedRegression){var d={};for(var m in u.parameters)u.parameters.hasOwnProperty(m)&&(d[s.identifierToLatex(m)]=+u.parameters[m].constantValue);c.is_regression=!0,c.regression={parameters:d,residualVariable:s.identifierToLatex(u.residualVariable),residualSuggestionId:u.residualSuggestionId,shouldSuggestLogMode:u.shouldSuggestLogMode,statistics:u.statistics}}return c};return u.default=o,u}),define("math/statementanalysis",["require","math/evaluationstate","pjs","graphing/graphmode","worker/workerconfig"],function(e){var t=e("math/evaluationstate"),r=e("pjs"),n=e("graphing/graphmode"),i=e("worker/workerconfig");return r(function(e){e.init=function(e,r,n){this.policy=e,this.rawTree=r,this.concreteTree=n,this.evaluationState=t(e,r,n)},e.exportTo=function(e,t){this.rawTree.exportTo(e,this.concreteTree,t)},e.graph=function(e){return this.rawTree.graph(this.policy,this.concreteTree,e)},e.getGraphMode=function(){return this.rawTree.getGraphMode(this.policy,this.concreteTree)},e.getGraphInfo=function(){return this.rawTree.getGraphInfo(this.policy,this.concreteTree)},e.shouldIntersect=function(){if(!this.evaluationState.is_graphable)return!1;if(!this.rawTree.userData.shouldGraph)return!1;if(!i.pointsOfInterest)return!1;var e=this.getGraphMode();return e===n.X||e===n.Y}})}),define("math/features/analyze",["require","parsenodes","math/statementanalysis","math/builtinframe","math/parsenode/builtinfunction","math/errormsg","math/comparators","math/types","graphing/graphmode"],function(e){function t(e,t,r,n){var a=n.getDependencies();switch(n.valueType){case c.Point:case c.ListOfPoint:return a.length?e.validParametricVariables(a)?i(e,r,n):i(e,r,o.tooManyVariables(r.getSliderVariables(e,n)).setDependencies(a)):i(e,r,n);case c.Number:case c.ListOfNumber:switch(a.length){case 0:return i(e,r,n);case 1:return e.validExpressionVariable(a[0])?i(e,r,n):i(e,r,o.equationRequired(e.implicitDependency(a[0])).setDependencies(a));default:return e.validImplicitVariables(a)?i(e,r,o.equationRequired().setDependencies(a)):i(e,r,o.tooManyVariables(r.getSliderVariables(e,n)).setDependencies(a))}}}function r(e,t){return e.filter(function(e){return!t[e]})}var n=e("parsenodes"),i=e("math/statementanalysis"),a=e("math/builtinframe"),s=e("math/parsenode/builtinfunction"),o=e("math/errormsg"),u=e("math/comparators"),c=e("math/types"),l=e("graphing/graphmode");n.Base.prototype.analyze=function(e,t){return i(e,this,this.tryGetConcreteTree(t))},n.Expression.prototype.analyze=function(e,r){var n=this.tryGetConcreteTree(r);return n.isError?i(e,this,n):t(e,r,this,n)},n.Identifier.prototype.analyze=function(e,t){return i(e,this,this.tryGetConcreteTree(t))},\nn.FunctionDefinition.prototype.analyze=function(e,t){if(a[this._symbol])return this.asEquation().analyze(e,t);var r=this._symbol.split("_")[0];if(s[r])return i(e,this,o.cannotRedefine(this._symbol,r));var n=this.tryGetConcreteTree(t);if(n.isError)return i(e,this,n);var u=this._argSymbols,c=n.getDependencies();if(c.indexOf(this._symbol)!==-1)return i(e,this,o.selfReferentialFunction(this._symbol));var l=c.filter(function(e){return u.indexOf(e)===-1});return e.unplottablePolarFunction(this._symbol,c)?i(e,this,o.unplottablePolarFunction()):l.some(e.assignmentForbidden)?i(e,this,o.addArgumentsToDefinition(l,this._symbol,u).setDependencies(c)):l.length?i(e,this,o.tooManyVariables(this.getSliderVariables(e,n)).setDependencies(c)):i(e,this,n)},n.Assignment.prototype.analyze=function(e,t,r){var s=this._symbol;if(!e.validLHS(s))return i(e,this,o.invalidLHS(s));if(a[s])return this.asEquation().analyze(e,t);var u=this.tryGetConcreteTree(t);if(u.isError)return i(e,this,u);var c=u.getDependencies();if(this.isEquation(u))return this.asEquation().analyze(e,t);if(c.length>1){var l=this.getSliderVariables(e,u);return l.length?i(e,this,o.tooManyVariables(l).allowExport().setDependencies(c)):i(e,this,u)}var p=this.getMoveStrategy(t,u,r);if(p){var f=this.getDefaultDragMode(p);return i(e,this,n.MovablePoint(u.args,p,f))}return i(e,this,u)},n.Regression.prototype.analyze=function(e,t,r,n,a){return i(e,this,this.tryOptimize(e,t,r,n,a))},n.Polygon.prototype.analyze=function(e,t){var r=this.tryGetConcreteTree(t),n=r.getDependencies();return n.length?i(e,this,o.tooManyVariables(this.getSliderVariables(e,r)).setDependencies(n)):i(e,this,this.tryGetConcreteTree(t))},n.Equation.prototype.analyze=n.BaseComparator.prototype.analyze=function(e,t){var r=this.trySolve(e,t);if(r.isError)return i(e,this,r);if(r instanceof n.SolvedEquation&&r.getDependencies().length){var a=r.getDependencies().concat(r._symbol);if(!e.validImplicitVariables(a))return i(e,this,o.invalidImplicitVariables().setDependencies(a))}return this.getGraphMode(e,r)!==l.IMPLICIT||e.validImplicitVariables(r.getDependencies())?i(e,this,r):i(e,this,o.invalidImplicitVariables().setDependencies(r.getDependencies()))},n.DoubleInequality.prototype.analyze=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return i(e,this,r);var n=r.getDependencies();return u.table[this._operators[0]].direction!==u.table[this._operators[1]].direction?i(e,this,o.mismatchedDoubleInequality()):e.validDoubleInequalitySymbol(r._symbol)&&e.validDoubleInequalityVariables(n)?n.length>2?i(e,this,o.tooManyVariables(this.getSliderVariables(e,r)).setDependencies(n)):r._expressions[0].getDependencies().indexOf(r._symbol)!==-1||r._expressions[1].getDependencies().indexOf(r._symbol)!==-1?i(e,this,o.complicatedDoubleInequality().setDependencies(n)):i(e,this,r):i(e,this,o.invalidDoubleInequalityVariables().setDependencies(n))},n.And.prototype.analyze=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return i(e,this,r);var n=r.getDependencies();return n.length?e.validDoubleInequalityVariables(n)?i(e,this,o.complicatedDoubleInequality().setDependencies(n)):i(e,this,o.tooManyVariables(this.getSliderVariables(e,r)).setDependencies(n)):i(e,this,r)},n.OrderedPair.prototype.analyze=function(e,r,a){var s=this.tryGetConcreteTree(r);if(s.isError)return i(e,this,s);var o=this.getMoveStrategy(r,s,a);if(o){var u=this.getDefaultDragMode(o);return i(e,this,n.MovablePoint(s.args,o,u))}return t(e,r,this,s)},n.Table.prototype.analyze=function(e,t){for(var a,s=Object.create(t),u=[],c=0;c<this.columns.length;c++){var l=this.columns[c].analyze(e,s,t);if(0===c&&(l.concreteTree.isIndependent?e.validFirstColumnVariable(l.concreteTree.header._symbol)?a=l.concreteTree.header._symbol:l=i(e,this.columns[c],o.invalidFirstTableColumn()):l=i(e,this.columns[c],o.invalidDependentFirstTableColumn())),l.concreteTree.isIndependent)l.rawTree.exportToLocal(l.concreteTree,s);else if(!l.concreteTree.isError){var p=l.concreteTree.header.getDependencies(),f=r(p,s);f.length&&(l=i(e,this.columns[c],o.tooManyVariables(f).setDependencies(f)))}u.push(l.concreteTree)}var h=n.Table(u),d=i(e,this,h);return d.evaluationState.is_graphable=!0,d},n.TableColumn.prototype.analyze=function(e,t,r){var n=this.header.tableError();if(n)return i(e,this,o.invalidTableHeader(n));var a=this.tryGetConcreteTree(t,r);if(a.isError)return i(e,this,a);if(a.header.isError)return i(e,this,a.header);if(a.values.isError)return i(e,this,a.values);for(var s=0;s<a.values.length;s++)if(!a.values[s].isError){var u=this.values[s]&&this.values[s].tableError();if(u)a.values[s]=o.invalidTableEntry(u);else{var c=a.values[s].getDependencies();c.length&&(a.values[s]=o.tooManyVariables(c).setDependencies(c))}}return i(e,this,a)},n.Image.prototype.analyze=function(e,t,r){var a=this.tryGetConcreteTree(t);if(a.radianAngle.isError||a.center.isError||a.width.isError||a.height.isError)return i(e,this,a);var s=a.center.getDependencies(),u=a.radianAngle.getDependencies(),c=a.width.getDependencies(),l=a.height.getDependencies();return"OrderedPair"!==this.center.type?i(e,this,n.Image({center:o.parseError(),radianAngle:a.radianAngle,width:a.width,height:a.height})):s.length||u.length||c.length||l.length?i(e,this,n.Image({center:s.length?o.tooManyVariables(u).setDependencies(s):a.center,radianAngle:u.length?o.tooManyVariables(u).setDependencies(u):a.radianAngle,width:c.length?o.tooManyVariables(c).setDependencies(c):a.width,height:l.length?o.tooManyVariables(l).setDependencies(l):a.height})):(a.moveStrategy=this.getMoveStrategy(t,a,r),i(e,this,a))}}),define("math/features/analyzeFourFunction",["require","parsenodes","math/statementanalysis","math/errormsg","math/parsenode/builtinfunction","math/builtinconstants"],function(e){function t(e,t){return n(e,this,i.inequalitiesUnsupported())}var r=e("parsenodes"),n=e("math/statementanalysis"),i=e("math/errormsg"),a=e("math/parsenode/builtinfunction"),s=e("math/builtinconstants");r.Base.prototype.analyzeFourFunction=function(e,t){var r=this.tryGetConcreteTree(t);return r.isError?n(e,this,r):n(e,this,i.parseError())},r.Expression.prototype.analyzeFourFunction=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return n(e,this,r);var o=r.getDependencies();if(o.length>0){var u,c=o[0];return u=a.hasOwnProperty(c)?i.functionUnsupported(c):s.hasOwnProperty(c)?i.constantUnsupported(c):i.variablesUnsupported(c),n(e,this,u)}return n(e,this,r)},r.Assignment.prototype.analyzeFourFunction=function(e,t){return n(e,this,i.assignmentsUnsupported())},r.FunctionDefinition.prototype.analyzeFourFunction=function(e,t){return n(e,this,i.functionDefinitionsUnsupported())},r.Equation.prototype.analyzeFourFunction=function(e,t){return n(e,this,i.equationsUnsupported())},r.And.prototype.analyzeFourFunction=t,r.DoubleInequality.prototype.analyzeFourFunction=t,r.BaseComparator.prototype.analyzeFourFunction=t,r.Regression.prototype.analyzeFourFunction=function(e,t){return n(e,this,i.regressionsUnsupported())},r.OrderedPair.prototype.analyzeFourFunction=function(e,t){return n(e,this,i.pointsUnsupported())}}),define("math/features/analyzeScientific",["require","parsenodes","math/statementanalysis","math/errormsg","math/builtinframe"],function(e){function t(e,t){return n(e,this,i.inequalitiesUnsupported())}var r=e("parsenodes"),n=e("math/statementanalysis"),i=e("math/errormsg"),a=e("math/builtinframe");r.Base.prototype.analyzeScientific=function(e,t){var r=this.tryGetConcreteTree(t);return r.isError?n(e,this,r):n(e,this,i.parseError())},r.Expression.prototype.analyzeScientific=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return n(e,this,r);var a=r.getDependencies();return a.length>0?n(e,this,i.tooManyVariables(a)):n(e,this,r)},r.Assignment.prototype.analyzeScientific=function(e,t){var r=this._symbol;if(a[r])return n(e,this,i.cannotRedefine(r));var s=this.tryGetConcreteTree(t);if(s.isError)return n(e,this,s);var o=s.getDependencies();return this.isEquation(s)?n(e,this,i.equationsUnsupported()):o.length>0?n(e,this,i.tooManyVariables(o)):n(e,this,s)},r.FunctionDefinition.prototype.analyzeScientific=function(e,t){if(a[this._symbol])return n(e,this,i.cannotRedefine(this._symbol));var r=this.tryGetConcreteTree(t);if(r.isError)return n(e,this,r);var s=this._argSymbols,o=r.getDependencies();if(o.indexOf(this._symbol)!==-1)return n(e,this,i.selfReferentialFunction(this._symbol));var u=o.filter(function(e){return s.indexOf(e)===-1});return u.length?n(e,this,i.addArgumentsToDefinition(u,this._symbol,s)):n(e,this,r)},r.Equation.prototype.analyzeScientific=function(e,t){return n(e,this,i.equationsUnsupported())},r.And.prototype.analyzeScientific=t,r.DoubleInequality.prototype.analyzeScientific=t,r.BaseComparator.prototype.analyzeScientific=t,r.Regression.prototype.analyzeScientific=function(e,t){return n(e,this,i.regressionsUnsupported())},r.OrderedPair.prototype.analyzeScientific=function(e,t){return n(e,this,i.pointsUnsupported())}}),define("math/features/analyzeSingleExpressionScientific",["require","parsenodes","math/statementanalysis","math/errormsg","math/parsenode/builtinfunction","math/builtinconstants"],function(e){function t(e,t){return n(e,this,i.inequalitiesUnsupported())}var r=e("parsenodes"),n=e("math/statementanalysis"),i=e("math/errormsg"),a=e("math/parsenode/builtinfunction"),s=e("math/builtinconstants");r.Base.prototype.analyzeSingleExpressionScientific=function(e,t){var r=this.tryGetConcreteTree(t);return r.isError?n(e,this,r):n(e,this,i.parseError())},r.Expression.prototype.analyzeSingleExpressionScientific=function(e,t){var r=this.tryGetConcreteTree(t);if(r.isError)return n(e,this,r);var o=r.getDependencies();if(o.length>0){var u,c=o[0];return u=a.hasOwnProperty(c)?i.functionUnsupported(c):s.hasOwnProperty(c)?i.constantUnsupported(c):i.variablesUnsupported(c),n(e,this,u)}return n(e,this,r)},r.Assignment.prototype.analyzeSingleExpressionScientific=function(e,t){return n(e,this,i.assignmentsUnsupported())},r.FunctionDefinition.prototype.analyzeSingleExpressionScientific=function(e,t){return n(e,this,i.functionDefinitionsUnsupported())},r.Equation.prototype.analyzeSingleExpressionScientific=function(e,t){return n(e,this,i.equationsUnsupported())},r.And.prototype.analyzeSingleExpressionScientific=t,r.DoubleInequality.prototype.analyzeSingleExpressionScientific=t,r.BaseComparator.prototype.analyzeSingleExpressionScientific=t,r.Regression.prototype.analyzeSingleExpressionScientific=function(e,t){return n(e,this,i.regressionsUnsupported())},r.OrderedPair.prototype.analyzeSingleExpressionScientific=function(e,t){return n(e,this,i.pointsUnsupported())}}),define("graphing/dragmode",["require","exports"],function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.NONE="NONE",t.X="X",t.Y="Y",t.XY="XY",t.AUTO="AUTO"}),define("graphing/reconcileDragMode",["require","exports","graphing/dragmode"],function(e,t,r){"use strict";function n(e){return e?"none"===e[0].type&&"none"===e[1].type?r.NONE:"none"===e[1].type?r.X:"none"===e[0].type?r.Y:r.XY:r.NONE}function i(e,t){var i=n(t);switch(e){case r.NONE:return r.NONE;case r.AUTO:return i;case r.XY:return i;case r.X:return i===r.X||i===r.XY?r.X:r.NONE;case r.Y:return i===r.Y||i===r.XY?r.Y:r.NONE;default:return r.NONE}}Object.defineProperty(t,"__esModule",{value:!0}),t.default=i}),define("math/features/getgraphmode",["require","parsenodes","graphing/graphmode","graphing/reconcileDragMode","graphing/dragmode","math/types"],function(e){function t(e,t){var r;return r=e&&e.hasOwnProperty("dragMode")?e.dragMode===o.AUTO?t.defaultDragMode:e.dragMode:t.defaultDragMode,s(r,t.moveStrategy)}function r(e,r){var n=r.getDependencies();switch(r.valueType){case u.Point:case u.ListOfPoint:return r.isMovablePoint&&t(this.userData,r)!==o.NONE?a.XYPOINT_MOVABLE:0===n.length?a.XYPOINT:e.validParametricVariables(n)?a.PARAMETRIC:a.NONE;case u.Number:case u.ListOfNumber:return 1===n.length?a.Y:a.NONE;default:return a.NONE}}function n(e,t){var r=t._expression.getDependencies();if(r.length>1)return a.NONE;if(t._expression.valueType!==u.Number&&t._expression.valueType!==u.ListOfNumber)return a.NONE;var n=t._symbol,i=r[0];return e.graphMode(n,i)}var i=e("parsenodes"),a=e("graphing/graphmode"),s=e("graphing/reconcileDragMode").default,o=e("graphing/dragmode"),u=e("math/types");i.Base.prototype.getGraphMode=function(e,t){return a.NONE},i.Identifier.prototype.getGraphMode=function(e,t){return e.graphableAsBareIdentifier(this._symbol)?a.Y:a.NONE},i.Expression.prototype.getGraphMode=r,i.Equation.prototype.getGraphMode=i.BaseComparator.prototype.getGraphMode=function(e,t){var r=t.getDependencies();return t.isConstant?a.NONE:t instanceof i.SolvedEquation?0===r.length?e.graphableAsConstant(t._symbol)?e.constantGraphMode(t._symbol):a.NONE:n(e,t):r.length<=2?a.IMPLICIT:a.NONE},i.DoubleInequality.prototype.getGraphMode=function(e,t){return e.constantGraphMode(t._symbol)},i.Assignment.prototype.getGraphMode=function(e,t){if(t instanceof i.SolvedEquation)return n(e,t);if(this.isEquation(t))return this.asEquation().getGraphMode(e,t);var s=t.getDependencies();switch(t.valueType){case u.Number:case u.ListOfNumber:switch(s.length){case 0:return e.graphableAsConstant(this._symbol)?e.constantGraphMode(this._symbol):a.NONE;case 1:return t.valueType!==u.ListOfNumber||e.graphableListVariables(this._symbol,s[0])?e.graphMode(this._symbol,s[0]):a.NONE;default:return a.NONE}break;default:return r.call(this,e,t)}},i.FunctionDefinition.prototype.getGraphMode=function(e,t){if(1!==this._argSymbols.length)return a.NONE;var r=e.graphMode(this._symbol,this._argSymbols[0]),n=t.getDependencies();switch(t.valueType){case u.Number:case u.ListOfNumber:switch(n.length){case 0:return r;case 1:return n[0]!==this._argSymbols[0]?a.NONE:r;default:return a.NONE}break;default:return a.NONE}},i.Regression.prototype.getGraphMode=function(e,t){return this.isLhsSimple&&t.isModelValid?1!==t.model.getDependencies().length?a.NONE:a.Y:a.NONE},i.Polygon.prototype.getGraphMode=function(e,t){return t.isError?a.NONE:a.POLYGONFILL},i.Image.prototype.getGraphMode=function(e,t){return this.userData.showPoints?this.center.isError||this.radianAngle.isError||this.width.isError||this.height.isError?a.NONE:a.XYPOINT:a.NONE}}),define("math/features/getgraphinfo",["require","parsenodes","math/builtinframe","math/domaintypes"],function(e){var t=e("parsenodes"),r=e("math/builtinframe"),n=e("math/domaintypes");t.Base.prototype.getGraphInfo=function(e,t){var r,i,a=t.getDependencies();switch(a.length){case 0:r=!0,i=t.boundDomain("x");break;case 1:i=t.boundDomain(a[0]),r="known"===i.type&&t.isLinear(a[0]);break;case 2:r=!1,i=n.unknownDomain()}return{graphMode:this.getGraphMode(e,t),color:this.userData.color,pointStyle:this.userData.pointStyle,lineStyle:this.userData.lineStyle,operator:this.getOperator(),isLinear:r,linearCoefficients:r?t.getLinearCoefficients():void 0,domainBound:i}},t.Base.prototype.getLinearCoefficients=function(){var e=this.getDependencies();switch(e.length){case 0:return[+this.constantValue,0];case 1:var t=this.getPolynomialCoefficients(e[0]);return[t[0]?+t[0].getConcreteTree(r).constantValue:0,t[1]?+t[1].getConcreteTree(r).constantValue:0];default:return[NaN,NaN]}},t.OrderedPair.prototype.getLinearCoefficients=function(){return[this.args[0].getLinearCoefficients(),this.args[1].getLinearCoefficients()]}}),define("math/features/getMoveStrategy",["require","parsenodes","math/types"],function(e){function t(e){return{type:"none",inputString:e}}function r(e){return{type:"updateCoordinate",inputString:e}}function n(e,t,r){return{type:"updateSlider",inputString:e,id:t,coefficients:r}}function i(e,t){for(var r in t)if(t[r].evaluationState.assignment===e&&t[r].evaluationState.is_slidable)return r}function a(e,t,r,n){for(var a=e.getDependencies(),o=0;o<a.length;o++)if(n[a[o]])return!1;for(var c=a.length-1;c>=0;c--){var l=a[c],p=i(l,r);if(void 0!==p){var f=Object.create(t);f[l]=s.FreeVariable(l);var h=e.tryGetConcreteTree(f);if(!h.isError){var d=h.polynomialOrder(l);if(1===d){var m=h.getPolynomialCoefficients(l),g=m[1]?m[1].getConcreteTree(f):u,y=m[0]?m[0].getConcreteTree(f):u;if(y.isConstant&&g.isConstant&&isFinite(y.constantValue)&&isFinite(g.constantValue)&&0!==g.constantValue){var v=[-y.constantValue/g.constantValue,1/g.constantValue];return{symbol:l,id:p,coefficients:v}}}}}}return!1}var s=e("parsenodes"),o=e("math/types"),u=s.Constant(0);s.Base.prototype.getMoveStrategy=function(){},s.Assignment.prototype.getMoveStrategy=function(e,t,r){if(this._expression instanceof s.OrderedPair)return this._expression.getMoveStrategy(e,t,r)},s.OrderedPair.prototype.getMoveStrategy=function(e,i,s){if(i.valueType===o.Point&&0===i.getDependencies().length){for(var u=[],c={},l=0;l<2;l++){var p=this.args[l],f=p.getInputString();if(p.isConstant)u[l]=r(f);else{var h=a(p,e,s,c);h&&(u[l]=n(f,h.id,h.coefficients),c[h.symbol]=!0),u[l]||(u[l]=t(f))}}if("none"!==u[0].type||"none"!==u[1].type)return u}},s.Image.prototype.getMoveStrategy=function(e,i,s){if((!this.userData||this.userData.shouldGraph!==!1)&&"OrderedPair"===i.center.type&&i.center.args[0].isConstant&&i.center.args[1].isConstant&&i.width.isConstant&&i.height.isConstant&&i.radianAngle.isConstant){for(var o=[this.width,this.height,this.center.args[0],this.center.args[1]],u=[],c={},l=[2,3,0,1],p=0;p<l.length;p++){var f=l[p],h=o[f];if(h){var d=h.getInputString();if(h.isConstant)u[f]=r(d);else{var m=a(h,e,s,c);m&&(u[f]=n(d,m.id,m.coefficients),c[m.symbol]=!0),u[f]||(u[f]=t(d))}}else u[f]=t("")}if("none"!==u[0].type||"none"!==u[1].type||"none"!==u[2].type||"none"!==u[3].type)return u}}}),define("math/features/getDefaultDragMode",["require","parsenodes","graphing/dragmode"],function(e){var t=e("parsenodes"),r=e("graphing/dragmode");t.Base.prototype.getMoveStrategy=function(){return r.NONE},t.Assignment.prototype.getDefaultDragMode=function(e){return"none"!==e[0].type&&"none"!==e[1].type?r.XY:"none"!==e[0].type?r.X:"none"!==e[1].type?r.Y:r.NONE},t.OrderedPair.prototype.getDefaultDragMode=function(e){return"updateSlider"===e[0].type&&"updateSlider"===e[1].type?r.XY:"updateSlider"===e[0].type?r.X:"updateSlider"===e[1].type?r.Y:r.NONE}}),define("math/features/tableinfo",["require","parsenodes","math/types","graphing/label"],function(e){var t=e("parsenodes"),r=t.List,n=e("math/types"),i=e("graphing/label");t.Base.prototype.tableInfo=function(e,t){return!1},t.Identifier.prototype.tableInfo=function(e,t){return!!e.graphableAsBareIdentifier(this._symbol)&&(!!e.validFirstColumnVariable(this._symbol)&&{independent_variable:this._symbol,dependent_column:this._inputString,by_reference:!1})},t.Expression.prototype.tableInfo=function(e,t){var i=t.getDependencies();switch(t.valueType){case n.Point:case n.ListOfPoint:if(0!==i.length)return!1;if(t.isMovablePoint&&("updateSlider"===t.moveStrategy[0].type||"updateSlider"===t.moveStrategy[1].type))return!1;var a=r.wrap(t).mapElements(function(e){return e.asArray()});return{independent_variable:"x",dependent_column:"y",by_reference:!1,values:a};case n.Number:if(1!==i.length)return!1;var s=i[0];return!!e.validFirstColumnVariable(s)&&{independent_variable:s,dependent_column:this._inputString,by_reference:!1};default:return!1}},t.Assignment.prototype.tableInfo=function(e,r){if(r instanceof t.SolvedEquation)return!1;if(!this._inputString.length)return!1;var n=r.getDependencies();if(n.length>1)return!1;var a;if(0===n.length){if(!e.tableableAsConstant(this._symbol))return!1;a=e.implicitIndependent(this._symbol)}else a=n[0];if(!e.validFirstColumnVariable(a))return!1;var s=e.assignmentForbidden(this._symbol)?i.trimLatex(this._inputString.replace(/[^=]*=/,"")):i.trimLatex(this._inputString.split("=")[0]);return{independent_variable:a,dependent_column:s,by_reference:!e.assignmentForbidden(this._symbol)}},t.FunctionDefinition.prototype.tableInfo=function(e,t){if(1!==this._argSymbols.length)return!1;if(!this._inputString.length)return!1;var r=t.getDependencies();if(r.length>1)return!1;var n=this._argSymbols[0];if(!e.validFirstColumnVariable(n))return!1;var a=e.assignmentForbidden(this._symbol),s=a?i.trimLatex(this._inputString.replace(/[^=]*=/,"")):i.trimLatex(this._inputString.split("=")[0]);return{independent_variable:n,dependent_column:s,by_reference:!a}},t.BaseComparator.prototype.tableInfo=function(e,t){return!1},t.DoubleInequality.prototype.tableInfo=function(e,t){return!1},t.Equation.prototype.tableInfo=function(e,t){return!1}}),define("math/features/tableerror",["require","parsenodes","lib/worker-i18n"],function(e){var t=e("parsenodes"),r=e("lib/worker-i18n");t.Base.prototype.tableError=function(){return this.isInequality()?r.t("Inequalities are not allowed."):!(this instanceof t.Expression)&&r.t("This type of expression is not allowed.")},t.List.prototype.tableError=function(){return r.t("Lists are not allowed.")},t.Equation.prototype.tableError=t.Assignment.prototype.tableError=function(){return r.t("Equations are not allowed.")},t.FunctionDefinition.prototype.tableError=function(){return r.t("Function definitions are not allowed.")},t.Regression.prototype.tableError=function(){return r.t("Regressions are not allowed.")}}),define("math/features/islinear",["require","parsenodes"],function(e){var t=e("parsenodes");t.Base.prototype.isLinear=function(e){return!1},t.Expression.prototype.isLinear=function(e){return this.polynomialOrder(e)<=1},t.SolvedEquation.prototype.isLinear=function(e){return this._expression.isLinear(e)},t.OptimizedRegression.prototype.isLinear=function(e){return this.model.isLinear(e)},t.OrderedPair.prototype.isLinear=function(e){return this.args[0].isLinear(e)&&this.args[1].isLinear(e)},t.List.prototype.isLinear=function(e){return this.args.every(function(t){return t.isLinear(e)})},t.Broadcast.prototype.isLinear=function(e){for(var r=this._replacedSymbols,n=this._expression,i=this._lists,a={},s=0;s<i.length;s++)if(i[s].dependsOn(e)){if(!i[s].isLinear(e))return!1;a[r[s]]=t.FreeVariable(e)}return n.substitute(a).isLinear(e)}}),define("math/expression-types",["require","exports"],function(e,t){"use strict";function r(e,r){switch(e){case t.X_OR_Y:case t.SINGLE_POINT:case t.POINT_LIST:case t.PARAMETRIC:case t.POLAR:case t.IMPLICIT:case t.POLYGON:var n=t.EXPRESSION_PROP_DEFAULTS[e];return{points:void 0===r.points?n.points:r.points,lines:void 0===r.lines?n.lines:r.lines,fill:void 0===r.fill?n.fill:r.fill};default:var i=e;return i}}Object.defineProperty(t,"__esModule",{value:!0}),t.X_OR_Y="X_OR_Y",t.SINGLE_POINT="SINGLE_POINT",t.POINT_LIST="POINT_LIST",t.PARAMETRIC="PARAMETRIC",t.POLAR="POLAR",t.IMPLICIT="IMPLICIT",t.POLYGON="POLYGON",t.EXPRESSION_PROP_DEFAULTS={X_OR_Y:{points:!1,lines:!0,fill:!1},SINGLE_POINT:{points:!0,lines:!1,fill:!1},POINT_LIST:{points:!0,lines:!1,fill:!1},PARAMETRIC:{points:!1,lines:!0,fill:!1},POLAR:{points:!1,lines:!0,fill:!1},IMPLICIT:{points:!1,lines:!0,fill:!1},POLYGON:{points:!1,lines:!0,fill:!0}},t.getReconciledExpressionProps=r}),define("math/features/graph",["require","underscore","parsenodes","math/plotter","graphing/graphmode","math/comparators","graphing/dragmode","math/expression-types"],function(e){function t(e){for(var t=[],r=[],n=e.length,i=0;i<n;i++)t.push(e[i][0]),r.push(e[i][1]);return{defined:{x:t,y:r}}}function r(e){return Array.prototype.concat.apply([],e)}function n(e,t,r){return!!e&&(0===t&&0===r?"none"!==e[2].type||"none"!==e[3].type:0!==t&&0!==r?"none"!==e[0].type&&"none"!==e[1].type:0!==t?"none"!==e[0].type:0!==r&&"none"!==e[1].type)}var i=e("underscore"),a=e("parsenodes"),s=e("math/plotter").default,o=e("graphing/graphmode"),u=e("math/comparators"),c=e("graphing/dragmode"),l=e("math/expression-types"),p=a.List;a.Base.prototype._graph=function(e,n,u,c){if(n instanceof a.SolvedEquation)return this._graph(e,n._expression,u,c);var f,h,d,m,g,y=this,v=n.getExpressionType(c.graphMode,n.valueType),b=l.getReconciledExpressionProps(v,{points:this.userData.points,lines:this.userData.lines,fill:this.userData.fill});switch(c.graphMode){case o.XYPOINT_MOVABLE:return f=[n.asArray()],d=this.userData.shouldGraph&&b.points,g=this.userData.showLabel&&!d,d?[{segments:[f],graphMode:c.graphMode,color:this.userData.color,style:this.userData.pointStyle,showLabel:!!this.userData.showLabel,labelSize:this.userData.labelSize,labelOrientation:this.userData.labelOrientation,labels:this.computedLabels||[],poi:t(f)}]:g?[{segments:[f],graphMode:o.XYPOINT,color:this.userData.color,style:this.userData.pointStyle,showLabel:!!this.userData.showLabel,nakedLabel:!0,labelSize:this.userData.labelSize,labelOrientation:this.userData.labelOrientation,labels:this.computedLabels||[],poi:t(f)}]:[];case o.XYPOINT:return h=[],f=p.wrap(n).mapElements(function(e){return e.asArray()}),d=this.userData.shouldGraph&&b.points,m=this.userData.shouldGraph&&b.lines,g=this.userData.showLabel&&!d&&!m,(this.userData.showLabel||d)&&h.push({segments:[f],graphMode:c.graphMode,color:this.userData.color,style:this.userData.pointStyle,showLabel:!!this.userData.showLabel,showPoint:d,labelSize:this.userData.labelSize,labelOrientation:this.userData.labelOrientation,nakedLabel:g,labels:this.computedLabels||[],poi:t(f)}),m&&h.push({segments:[f].map(r),graphMode:o.PARAMETRIC,color:this.userData.color,style:this.userData.lineStyle,poi:[]}),h;case o.PARAMETRIC:var x=this.userData,_=[];if(h=p.wrap(n).mapElements(function(r){var n=r.getDependencies();if(0===n.length)return f=[r.asArray()],{segments:[f],graphMode:o.XYPOINT,color:x.color,style:x.lineStyle,poi:t(f)};var i=r.getCompiledFunction().fn,a=y.getGraphInfo(e,r);return a.graphMode=c.graphMode,a.domain=y.userData.domain,a.style=y.userData.lineStyle,s.computeGraphData(u,a,i)}),b.fill){if(h.forEach(function(e){_.push({segments:e.segments,color:x.color,fillOpacity:x.fillOpacity,graphMode:o.POLYGONFILL,poi:[]})}),!b.lines)return _;h=h.concat(_)}return h;case o.X:case o.Y:case o.IMPLICIT:case o.POLAR:return h=[],p.wrap(n).eachElement(function(t){var r,n=c.graphMode===o.IMPLICIT?t.getCompiledFunction(["x","y"]):t.getCompiledFunction();try{r=t.getCompiledDerivative()}catch(e){}var a=y.getGraphInfo(e,t);a.graphMode=c.graphMode,a.style=y.userData.lineStyle;var l=r?s.computeGraphData(u,a,n.fn,r.fn):s.computeGraphData(u,a,n.fn);l.compiled=n,l.fillSegments?h.push(i.omit(l,"fillSegments")):h.push(l),a.graphMode===o.IMPLICIT&&"="!==a.operator&&h.push({graphMode:o.POLYGONFILL,segments:l.fillSegments,poi:{}})}),h;default:return!1}},a.Base.prototype.graph=function(e,t,r){var n=this.getGraphInfo(e,t);return this._graph(e,t,r,n)},a.BaseComparator.prototype.graph=function(e,t,r){var n=this,i=this.getGraphInfo(e,t),c=i.graphMode;if(c===o.IMPLICIT)return this._graph(e,t,r,i);if(c===o.NONE)return!1;if(!(t instanceof a.SolvedEquation))return!1;var l=this.getOperator(),p=[],f=[],h=!0;t._expression.eachElement(function(e){p.push(e.getCompiledFunction());try{f.push(e.getCompiledDerivative())}catch(e){h=!1}}),h||(f=void 0);var d,m,g=[],y=[-1,0,0,1],v=p.length;for(m=0;m<v;m++){var b=this.getGraphInfo(e,t._expression.args[m]);b.graphMode=c,b.style=n.userData.lineStyle,d=f?s.computeGraphData(r,b,p[m].fn,f[m].fn):s.computeGraphData(r,b,p[m].fn),d.compiled=p[m],d.operator=u.get(u.table[l].inclusive,y[m%4]),g.push(d)}for(m=0;m<v;m+=4){var x=s.polygonsFromSegments(g[m+1].segments,g[m+2].segments,c);g.push({graphMode:o.POLYGONFILL,segments:x,poi:{}})}return g},a.DoubleInequality.prototype.graph=function(e,t,r){var n=this.getGraphInfo(e,t);if(n.graphMode===o.NONE)return!1;var i=[],a=u.get(u.table[this._operators[0]].inclusive,0),c=u.get(u.table[this._operators[1]].inclusive,0),l=this.userData,f=this;return p.eachArgs(t._expressions,function(t){var u,p;t[0].userData=t[1].userData=l,u=f._graph(e,t[0],r,n)[0],u.operator=a,i.push(u),p=f._graph(e,t[1],r,n)[0],p.operator=c,i.push(p);var h=s.polygonsFromSegments(u.segments,p.segments,u.graphMode);i.push({graphMode:o.POLYGONFILL,segments:h,poi:{}})}),i},a.Regression.prototype.graph=function(e,t,r){var n=this.getGraphInfo(e,t);return this._graph(e,t.model,r,n)},a.Polygon.prototype.graph=function(e,t,n){for(var i=this.getGraphInfo(e,t),a=t.args[0].asValue(),s=[],u=void 0===this.userData.lines||this.userData.lines,c=void 0===this.userData.fill||this.userData.fill,l=[],p=[],f=0;f<a.length;f++){var h=a[f][0],d=a[f][1];isFinite(h)&&isFinite(d)?(u||c)&&p.push([h,d]):(u||c)&&(p.length>1&&l.push(p),p=[])}if(l.length||p.length){p.push([a[0][0],a[0][1]]),l.push(p);var m=l.map(r);c&&s.push({segments:m,graphMode:o.POLYGONFILL,poi:[],color:i.color,fillOpacity:this.userData.fillOpacity,style:i.style}),u&&s.push({segments:m,graphMode:o.PARAMETRIC,poi:[],color:i.color,style:this.userData.lineStyle})}return s},a.Table.prototype.isValueDraggable=function(e,t,r){if(!e.columns[t].isIndependent)return!1;var n=this.columns[t],i=n.values,a=i&&i[r];return!(!a||!isFinite(a.constantValue)||0!==a._dependencies.length)},a.Table.prototype.graph=function(e,n,i){var a=[];if(n.columns[0].isError)return a;for(var s=n.columns[0],u=s.values,l=1;l<this.columns.length;l++){var p=n.columns[l];if(!p.isError){var f=this.columns[l].header.userData;if(!f.hidden){for(var h=f.dragMode,d=h===c.X||h===c.XY,m=h===c.Y||h===c.XY,g=!!f.points,y=!!f.lines,v=p.isDiscrete(s),b=y&&v,x=y&&!v,_=[],E=[],S=[],w=[],M=[],I=[],P=0;P<u.length;P++){var T=u[P],C=p.values[P];if(T&&C&&isFinite(T.constantValue)&&isFinite(C.constantValue)){if(g){var D=d&&this.isValueDraggable(n,0,P),O=m&&this.isValueDraggable(n,l,P);D||O?(S.push([T.constantValue,C.constantValue]),w.push({index:P,dragX:D,dragY:O})):E.push([T.constantValue,C.constantValue])}b&&I.push([T.constantValue,C.constantValue])}else b&&(I.length>1&&M.push(I),I=[])}if(S.length&&_.push({graphMode:o.XYPOINT_MOVABLE,segments:[S],color:f.color,tableId:f.tableId,poi:t(S),movablePointInfo:w}),E.length&&_.push({segments:[E],graphMode:o.XYPOINT,showPoint:!0,poi:t(E),color:f.color,style:f.pointStyle}),(M.length||I.length)&&(M.push(I),_.push({segments:M.map(r),graphMode:o.PARAMETRIC,poi:[],color:f.color,style:f.lineStyle})),x){var N=this.columns[l].header.graph(e,n.columns[l].header,i);N.length&&Array.prototype.push.apply(_,N)}_.length&&(a[f.id]=_)}}}return a},a.Image.prototype.graph=function(e,r,i){var a=[];if(!("OrderedPair"===r.center.type&&r.center.args[0].isConstant&&r.center.args[1].isConstant&&r.radianAngle.isConstant&&r.width.isConstant&&r.height.isConstant))return a;for(var s=[],u=[],c=r.width.constantValue/2,l=r.height.constantValue/2,p=r.radianAngle.constantValue,f=-1;f<=1;f++)for(var h=-1;h<=1;h++){var d=[r.center.args[0].constantValue+f*c*Math.cos(p)+h*l*Math.sin(p),r.center.args[1].constantValue-f*c*Math.sin(p)+h*l*Math.cos(p)],m=n(r.moveStrategy,f,h);m&&(s.push(d),u.push([f,h]))}return a.push({segments:[s],scaleFactors:[u],graphMode:o.XYPOINT_MOVABLE,color:this.userData.color,style:this.userData.style,poi:t(s)}),a}}),define("math/features/elementAt",["require","parsenodes","math/builtinframe"],function(e){function t(e){for(var t=0;t<this.length;t++)e(this.elementAt(t))}function r(e){for(var t=[],r=0;r<this.length;r++)t.push(e(this.elementAt(r)));return t}var n=e("parsenodes"),i=e("math/builtinframe");n.List.prototype.elementAt=function(e){return e=Math.floor(e),e>=0&&e<this.args.length?this.args[e]:n.Constant(NaN)},n.Broadcast.prototype.elementAt=function(e){if(e=Math.floor(e),e<0||e>=this.length)return n.Constant(NaN);for(var t={},r=0;r<this._replacedSymbols.length;r++)t[this._replacedSymbols[r]]=this._lists[r].elementAt(e);return this._expression.substitute(t).getConcreteTree(i)},n.List.prototype.eachElement=t,n.Broadcast.prototype.eachElement=t,n.List.prototype.mapElements=r,n.Broadcast.prototype.mapElements=r,n.OrderedPair.prototype.elementAt=function(e){switch(e){case 0:return this.args[0];case 1:return this.args[1];default:return n.Constant(NaN)}}}),define("lib/number-to-latex",["require","exports"],function(e,t){"use strict";function r(e){if("string"==typeof e)return e;var t=e+"";return t=t.replace(/1e\\+?([-\\d]+)/,"10^{$1}"),t=t.replace(/([-\\d\\.]+)e\\+?([-\\d]+)/,"$1\\\\cdot 10^{$2}")}Object.defineProperty(t,"__esModule",{value:!0}),t.default=r}),define("math/features/printLatex",["require","parsenodes","graphing/label","lib/number-to-latex"],function(e){\nfunction t(){return u.identifierToLatex(this._symbol)+" "}function r(e){switch(e){case">":return"\\\\gt ";case"<":return"\\\\lt 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r=e("console"),n=e("pjs"),i=e("underscore"),a=e("./plotter").default,s=e("parser"),o=e("math/parsenode/constant"),u=e("math/parsenode/image"),c=e("math/parsenode/table"),l=e("math/parsenode/tablecolumn"),p=e("math/parsenode/freevariable"),f=e("math/parsenode/builtinfunction"),h=e("math/finddependencyorder"),d=e("math/errormsg"),m=e("graphing/graphmode"),g=e("worker/workerconfig"),y=e("./findIntersections").findIntersections,v=e("./interpolatedlabel"),b=e("math/types"),x={fourFunction:e("math/policyFourFunction"),scientific:e("math/policyScientific"),singleExpressionScientific:e("math/policySingleExpressionScientific"),graphing:e("math/policyGraphing")},_={fourFunction:e("math/frameFourFunction"),scientific:e("math/frameScientific"),singleExpressionScientific:e("math/frameSingleExpressionScientific"),graphing:e("math/frameGraphing")};return n(function(e){function n(e){return"ans"!==e.slice(0,3)}function f(e,t){var r,i=e.multiplyDefined,a=e.cyclicallyDefined;for(r in i)i.hasOwnProperty(r)&&(t[r]=d.multiplyDefined(r));for(r in a)a.hasOwnProperty(r)&&(t[r]=d.cycle(a[r].filter(n)))}e.triggerGraphComputed=function(){},e.triggerStatusChange=function(){},e.triggerRemoveGraph=function(){},e.triggerRender=function(){},e.triggerRenderSlowly=function(){},e.triggerDidAddStatement=function(){},e.triggerDidRemoveStatement=function(){},e.triggerDidUpdateIntersections=function(){},e.init=function(){this.statements={},this.analysis={},this.currentStatus={},this.currentLabel={},this.unanalyzedIds={},this.unpublishedIds={},this.intersectIds={},this.setEvaluationMode("graphing"),this.setRestrictedFunctions(!1),this.setFunctionDefinition(!0),this.invalidate()},e.processChangeSet=function(e){e.isCompleteState&&(this.invalidate(),this.statements={},this.currentLabel={}),e.viewState&&this.setViewState(e.viewState),e.hasOwnProperty("degreeMode")&&this.setDegreeMode(e.degreeMode),e.hasOwnProperty("evaluationMode")&&this.setEvaluationMode(e.evaluationMode),e.hasOwnProperty("additionalFunctions")&&this.setAdditionalFunctions(e.additionalFunctions),e.hasOwnProperty("restrictedFunctions")&&this.setRestrictedFunctions(e.restrictedFunctions),e.hasOwnProperty("functionDefinition")&&this.setFunctionDefinition(e.functionDefinition),e.hasOwnProperty("pointsOfInterest")&&this.setPointsOfInterest(e.pointsOfInterest),e.hasOwnProperty("plotSingleVariableImplicitEquations")&&this.setPlotSingleVariableImplicitEquations(e.plotSingleVariableImplicitEquations),e.hasOwnProperty("intersectIds")&&(this.intersectIds=e.intersectIds),this.processStatements(e),this.updateAnalysis(),e.hasOwnProperty("intersectId")&&this._updateIntersections(e.intersectId),this._publishAllStatuses(),this._computeAllLabels(),this._graphAllChanged(),this.unpublishedIds={},e.isCompleteState?this.triggerRenderSlowly():this.triggerRender()},e.processStatements=function(e){var t;if(e.statements)for(var r in e.statements){var n=e.statements[r];if(null===n){if(!e.isCompleteState&&this.statements.hasOwnProperty(r)&&(t=this.statements[r].getAllIds()),this.removeStatement(r),!e.isCompleteState&&t){for(var i=0;i<t.length;i++)this.triggerRemoveGraph(t[i]);this.triggerDidRemoveStatement(r)}}else this.addStatement(n),e.isCompleteState||this.triggerDidAddStatement(n)}},e.setViewState=function(e){if(!i.isEqual(e,this.viewState)){this.viewState=e;for(var t in this.statements)this.statements.hasOwnProperty(t)&&(this.unpublishedIds[t]=!0)}},e.getViewState=function(){if(this.viewState){var e=Object.create(this.viewState);return this.parent_frame&&this.parent_frame.trigAngleMultiplier?e.trigAngleMultiplier=this.parent_frame.trigAngleMultiplier.constantValue:e.trigAngleMultiplier=1,e}},e.setDegreeMode=function(e){this.use_degrees=e,this.invalidate()},e.setEvaluationMode=function(e){this.evaluationMode=e,this.policy=x[e],this.invalidate()},e.setAdditionalFunctions=function(e){this.additionalFunctions=e,this.invalidate()},e.setRestrictedFunctions=function(e){this.restrictedFunctions=e,this.invalidate()},e.setFunctionDefinition=function(e){this.functionDefinition=e,this.invalidate()},e.setPointsOfInterest=function(e){e!==g.pointsOfInterest&&(g.pointsOfInterest=e,this.invalidate())},e.setPlotSingleVariableImplicitEquations=function(e){e!==g.plotSingleVariableImplicitEquations&&(g.plotSingleVariableImplicitEquations=e,this.invalidate())},e._publishAllStatuses=function(){var e={},t=this.currentStatus;this.currentStatus={};for(var r in this.unpublishedIds)if(this.analysis.hasOwnProperty(r)){var n=this.analysis[r].evaluationState;JSON.stringify(n)!==JSON.stringify(t[r])&&(e[r]=n),this.currentStatus[r]=n}this.triggerStatusChange(e)},e._computeAllLabels=function(){for(var e in this.currentLabel){var t=this.statements[e];if(t){var r=t.tryGetConcreteTree(this.frame),n=1;r.valueType===b.ListOfPoint&&(n=r.args.length);for(var a=[],s=0;s<n;s++)a.push(v.interpolate(this.currentLabel[e],this.frame,s));i.isEqual(a,t.computedLabels)||(t.computedLabels=a,this.unpublishedIds[e]=!0)}}},e._graphAllChanged=function(){var e=this.getViewState();if(a.validateViewState(e)){for(var t in this.unpublishedIds)if(this.analysis.hasOwnProperty(t)){var r=this.analysis[t];if(r.rawTree.isTable)for(var n=r.graph(e),s=r.rawTree.getAllIds(),o=0;o<s.length;o++)n[s[o]]?this.triggerGraphComputed(s[o],n[s[o]]):this.triggerRemoveGraph(s[o]);else r.evaluationState.is_graphable&&(r.rawTree.userData.shouldGraph||r.rawTree.userData.showLabel)?(this.triggerGraphComputed(t,r.graph(e)),this.intersectIds.hasOwnProperty(t)&&this._updateIntersections(t)):this.triggerRemoveGraph(t)}if(i.keys(this.unpublishedIds).length)for(var u in this.intersectIds)this.unpublishedIds.hasOwnProperty(u)||this.intersectIds.hasOwnProperty(u)&&this._updateIntersections(u)}},e._updateIntersections=function(e){if(this.viewState){if(!this.analysis[e]||!this.analysis[e].shouldIntersect())return void this.triggerDidUpdateIntersections(e,[]);var t=y(this.analysis,this.viewState,e);this.triggerDidUpdateIntersections(e,t)}},e.getDisabledFeatures=function(){var e,t=this.policy.disabledFeatures();e=this.functionDefinition===!1?t.concat("FunctionDefinition"):t;var r=this.additionalFunctions||[];return e=e.filter(function(e){return("Exponent"!==e||r.indexOf("exponent")===-1)&&("PercentOf"!==e||r.indexOf("percent")===-1)}.bind(this))},e.addStatement=function(e){if(e){var t=e.id;this.markDirty(t);var r={index:this.policy.ansEnabled()?e.index:void 0,disabledFeatures:this.getDisabledFeatures()};switch(e.type){case"table":var n=[];this.statements.hasOwnProperty(t)&&(n=this.statements[t].getAllIds()),e.shouldGraph=!0;for(var i,a,p,f=e.columns,h=[],d=0,m=0;m<f.length;m++)d=Math.max(f[m].values.length,d);for(var g=0;g<f.length;g++){i=s.parse(f[g].latex,r),a=[];for(var y=-1,b=0;b<f[g].values.length;b++)f[g].values[b].replace(/\\\\space/g,"").match(/\\S/)?(a.push(s.parse(f[g].values[b],r)),y=b):a.push(o(NaN));a=a.slice(0,y+1),p=l(i,d,a),p.id=f[g].id,p.header&&(p.header.userData=f[g]),h.push(p)}this.statements[t]=c(h);var x=this,_=this.statements[t].getAllIds();n.forEach(function(e){_.indexOf(e)===-1&&x.triggerRemoveGraph(e)});break;case"image":var E="-\\\\trigAngleMultiplier*\\\\arctan(\\\\sin("+e.angle+"),\\\\cos("+e.angle+"))";this.statements[t]=u({center:s.parse(e.center,r),radianAngle:s.parse(E,r),width:s.parse(e.width,r),height:s.parse(e.height,r)});break;default:this.statements[t]=s.parse(e.latex,r)}if(this.statements[t].userData=e,e.label){var S=this.currentLabel[t];S&&S.raw===e.label||(this.currentLabel[t]=v.parse(e.label))}else delete this.currentLabel[t];this.markClean(e.id),this.markDirty(e.id)}},e.removeStatement=function(e){if(this.statements.hasOwnProperty(e)){var t=this.statements[e];if(this.markDirty(e),t.isTable){var r=this;t.getAllIds().forEach(function(e){r.triggerRemoveGraph(e)})}else this.triggerRemoveGraph(e);delete this.currentLabel[e],delete this.statements[e]}},e.invalidate=function(){for(var e in this.statements)this.statements.hasOwnProperty(e)&&this.markDirty(e,{});this.currentStatus={},this.parent_frame=Object.create(t(this.evaluationMode,this.restrictedFunctions,this.additionalFunctions)),this.parent_frame.trigAngleMultiplier=o(this.use_degrees?Math.PI/180:1),this.frame=Object.create(this.parent_frame),this.lastFrame=Object.create(this.parent_frame),this.regressionFrame=Object.create(this.parent_frame)},e.buildSymbolToExpressionDirtyMap=function(){var e,t,r={};for(var n in this.statements)if(this.statements.hasOwnProperty(n)){var i=this.statements[n].getDependencies();for(e=0;e<i.length;e++)t=i[e],r[t]||(r[t]=[]),r[t].push(n);var a=this.statements[n].getExports();for(e=0;e<a.length;e++)t=a[e],r[t]||(r[t]=[]),r[t].push(n)}return r},e.markDirty=function(e,t){if(this.statements[e]&&!this.unanalyzedIds[e]){t||(t=this.buildSymbolToExpressionDirtyMap()),this.unanalyzedIds[e]=!0,this.unpublishedIds[e]=!0,delete this.analysis[e];for(var r=this.statements[e],n=r.getLegalExports(this.policy),i=0;i<n.length;i++)this.markSymbolDirty(n[i],t);if(r.isRegression){var a=this.lastFrame;this.invalidate(),this.lastFrame=a}}},e.markSymbolDirty=function(e,t){delete this.frame[e],delete this.regressionFrame[e];var r=t[e];if(r)for(var n=0;n<r.length;n++)this.markDirty(r[n],t)},e.markClean=function(e){delete this.unanalyzedIds[e]},e.getFrame=function(){return this.updateAnalysis(),this.frame},e.getAnalysis=function(){return this.updateAnalysis(),this.analysis},e.getStatus=function(e){if(this.updateAnalysis(),this.analysis[e])return this.analysis[e].status},e.getEvaluationState=function(e){if(this.updateAnalysis(),this.analysis[e])return this.analysis[e].evaluationState},e._updateRegressions=function(e){var t,r=this.frame,n=this.lastFrame,i=this.regressionFrame,a=[];for(t in e)e.hasOwnProperty(t)&&e[t].isRegression&&a.push(t);var s=this;a.sort(function(e,t){var r=s.statements[e].userData&&s.statements[e].userData.residualVariable,n=s.statements[t].userData&&s.statements[t].userData.residualVariable;return r&&!n?-1:n&&!r?1:0});var o=h(this.policy,e,a);f(o,i);for(var u=o.resolved,c={},l=0;l<u.length;l++)if(t=u[l],this.statements[t].isRegression)this.analysis[t]=e[t].analyze(this.policy,i,r,n,c),this.analysis[t].exportTo(this.policy,r),delete e[t];else{var p=e[t].tryGetConcreteTree(i);e[t].exportTo(this.policy,p,i),c[t]={rawTree:e[t],concreteTree:p}}},e.updateAnalysis=function(){var e,t={};for(e in this.unanalyzedIds)this.unanalyzedIds.hasOwnProperty(e)&&this.statements[e]&&(t[e]=this.statements[e]);"graphing"===this.evaluationMode&&this._updateRegressions(t);var r=this.analysis,n=this.frame,i=h(this.policy,t);f(i,n);for(var a=i.resolved,s=0;s<a.length;s++)switch(e=a[s],this.evaluationMode){case"fourFunction":r[e]=this.statements[e].analyzeFourFunction(this.policy,n,r),r[e].exportTo(this.policy,n);break;case"scientific":r[e]=this.statements[e].analyzeScientific(this.policy,n,r),r[e].exportTo(this.policy,n);break;case"singleExpressionScientific":r[e]=this.statements[e].analyzeSingleExpressionScientific(this.policy,n,r),r[e].exportTo(this.policy,n);break;case"graphing":if(n.r){var o=Object.create(n);if(o.r=p("r"),r[e]=this.statements[e].analyze(this.policy,o,r),r[e].getGraphMode()===m.POLAR){r[e].exportTo(this.policy,n);continue}}r[e]=this.statements[e].analyze(this.policy,n,r),r[e].exportTo(this.policy,n)}this.unanalyzedIds={},this.lastFrame=Object.create(this.parent_frame);for(var u in n)n.hasOwnProperty(u)&&(this.lastFrame[u]=n[u])},e.evaluateOnce=function(e){return r.log("Deprecated console.evaluateOnce - this should not run in production code"),this.analysis[e].concreteTree.constantValue},e.compile=function(e){return r.log("Deprecated console.compile - this should not run in production code"),this.analysis[e].concreteTree.getCompiledFunction()},e.evalStrings=function(e){return r.log("Deprecated console.evalStrings - this should not run in production code"),this.analysis[e].concreteTree.getEvalStrings()}})}),define("worker/workercore",["require","math/context","math/functions"],function(e){var t=e("math/context"),r=e("math/functions");return function(e){var n=t();return 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a=r[n];a||(a=t(function(e,t){i.postMessage({connectionId:n,originalMessage:{type:e,payload:t}})}),r[n]=a),a.processChangeSet(e.data.originalMessage)}},i.loadMessageQueue&&(i.loadMessageQueue.forEach(function(e){i.onmessage(e)}),delete i.loadMessageQueue)}),"undefined"==typeof window&&("undefined"==typeof requirejs&&(importScripts("../vendor/require.js"),importScripts("config.js")),self.loadMessageQueue=[],self.onmessage=function(e){self.loadMessageQueue.push(e)},requirejs(["worker/worker"])),define("toplevel/worker",function(){});';
}),define("worker_src",["require","text!worker_src_underlying"],function(e){return e("text!worker_src_underlying")}),define("worker/create_worker_url",["require","worker_src"],function(e){var t=e("worker_src");return function(){if(window.MSBlobBuilder)return null;if(!t.length)return"/assets/generated/combined/toplevel/worker.js";var e;try{e=new Blob([t],{type:"application/javascript"})}catch(i){try{var n=window.BlobBuilder||window.WebKitBlobBuilder||window.MozBlobBuilder,r=new n;r.append(t),e=r.getBlob("application/javascript")}catch(e){return null}}var i=window.URL||window.webkitURL;return i.createObjectURL(e)}}),define("underscore_model",["require","underscore","pjs"],function(e){var t=e("underscore"),n=e("pjs"),r=n(function(e){var n=0,r="guid_"+Math.round(1e6*Math.random())+"_"+(new Date).getTime()+"_";e.init=function(){this.__observers={},this.__eventObservers={},this.__oldProperties={},this.__propertyComparators={},this.guid=r+ 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i=n[r].split("."),o=i[0];this.hasOwnProperty(o)&&t(o,this)}},e.triggerEvent=function(e,t){this.__callObservers(this.__eventObservers,e,t)},e.observeEvent=function(e,t){this.__addObservers(this.__eventObservers,e,t)},e.unobserveEvent=function(e){this.__removeObservers(this.__eventObservers,e)},e.__callObservers=function(e,t,n){var r=e[t];if(r)for(var i=0;i<r.length;i++)r[i].callback(t,n)},e.__removeObservers=function(e,t){for(var n=t.split(" "),r=0;r<n.length;r++){var i=n[r].split("."),o=i[0],s=i[1];if(o&&s){var a=e[o],l=[];if(!a)continue;for(var c=0;c<a.length;c++){var u=a[c];u.namespace!==s&&l.push(u)}e[o]=l}else if(o)delete e[o];else if(s)for(o in e)e.hasOwnProperty(o)&&this.__removeObservers(e,o+"."+s)}},e.__addObservers=function(e,t,n){for(var r=t.split(" "),i=0;i<r.length;i++){var o=r[i].split("."),s=o[0];if(!s)throw"Must supply a property to observe";var a=o[1],l={namespace:a,callback:n},c=e[s];c?c.push(l):e[s]=[l]}}});return r}),define("worker/fakeworker",["require","worker/workercore"],function(e){var t=e("worker/workercore");return function(e){function n(t,n){e({type:t,payload:n})}var r={},i=t(n);return r.postMessage=function(e){setTimeout(function(){i.processChangeSet(e)},0)},r}}),define("lib/urlparser",["require"],function(e){var t={getParameter:function(e){return decodeURIComponent((new RegExp("[?|&]"+e+"=([^&;]+?)(&|#|;|$)").exec(location.search)||[void 0,""])[1].replace(/\+/g,"%20"))||null}};return t}),define("worker/workerpool",["require","console","./create_worker_url","pjs","underscore_model","./fakeworker","underscore","lib/urlparser"],function(e){function t(e){return u?function(t){d=Math.max(Date.now(),d)+u,setTimeout(e,d-Date.now(),t)}:e}var 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e=s(t(function(t){var n=a.values(e.__connections)[0];n&&n.onResponse(t)}));return e.__isFake=!0,e.__connections={},e},e.findLeastUsedWorker=function(){var e=function(e){return a.size(e.__connections)},t=a.sortBy(this.workers,e)[0];return t},e.allocateWorker=function(){var e=null;return this.allowedToSpawnWorker()&&(e=this.spawnWorker()),e||(e=this.findLeastUsedWorker()),e||(e=this.spawnFakeWorker()),e}});return p}),define("worker/workerpoolconnection",["require","pjs","underscore_model"],function(e){var t=e("pjs"),n=e("underscore_model"),r=t(n,function(e,t){e.init=function(e){t.init.call(this),this.workerPool=e,this.worker=e.allocateWorker(),this.worker.__connections[this.guid]=this},e.destroy=function(){this.sendMessage({type:"destroy"}),delete 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t=e("math/functions"),n=e("worker/workerpool"),r=e("worker/workerpoolconnection"),i=e("pjs"),o=e("underscore_model"),s=e("lib/deepCopy").default,a=4e3,l=i(o,function(e,i){e.triggerStatusChange=function(e){},e.triggerGraphData=function(e){},e.triggerRender=function(){},e.triggerRenderSlowly=function(){},e.init=function(e){i.init.call(this),this.__state={},this.changeSet=null,this.cumulativeChangeSet={},this.clearJobTimer(),this.syncId=1,this.__addedGraphsBuffer={},this.__removedGraphsBuffer={},this.__intersectionsBuffer={},e||(e=n()),this.workerPool=e,this.createWorkerPoolConnection(),this.syncRequests=[]},e.clearBuffers=function(){this.__addedGraphsBuffer={},this.__removedGraphsBuffer={},this.__intersectionsBuffer={}},e.getGraphDataFromBuffer=function(){return{addedGraphs:this.__addedGraphsBuffer,removedGraphs:this.__removedGraphsBuffer,intersections:this.__intersectionsBuffer}},e.destroy=function(){this.workerPoolConnection&&(this.workerPoolConnection.onResponse=function(){},this.workerPoolConnection.onWorkerKilled=function(){},this.workerPoolConnection.destroy())},e.createWorkerPoolConnection=function(){this.workerPoolConnection&&(this.workerPoolConnection.onResponse=function(){},this.workerPoolConnection.onWorkerKilled=function(){}),this.workerPoolConnection=r(this.workerPool);var 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t=0;t<e.length;t++)this.addStatement(e[t])},e.removeStatement=function(e){this.applyToChangeSets(function(t){t.statements||(t.statements={}),t.statements[e]=null})},e.removeStatements=function(e){for(var 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this.xmin<=0&&this.xmax>=0&&this.ymin<=0&&this.ymax>=0?0:this.xmin<=0&&this.xmax>=0?Math.min(Math.abs(this.ymin),Math.abs(this.ymax)):this.ymin<=0&&this.ymax>=0?Math.min(Math.abs(this.xmin),Math.abs(this.xmax)):Math.sqrt(Math.pow(Math.max(this.xmin,-this.xmax),2)+Math.pow(Math.max(this.ymin,-this.ymax),2))},t}),define("graphing/screen",["require"],function(e){function t(e,t){return this.width=e,this.height=t,this}return t}),define("graphing/axisarrowmode",["require","exports"],function(e,t){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.NONE="NONE",t.POSITIVE="POSITIVE",t.BOTH="BOTH"}),define("main/font_sizes",{VERY_SMALL:9,SMALL:12,MEDIUM:16,LARGE:20,VERY_LARGE:24}),define("graphing/graph-defaults",["require","./axisarrowmode"],function(e){var t=e("./axisarrowmode"),n={showGrid:!0,showXAxis:!0,showYAxis:!0,xAxisStep:0,yAxisStep:0,xAxisMinorSubdivisions:0,yAxisMinorSubdivisions:0,xAxisArrowMode:t.NONE,yAxisArrowMode:t.NONE,xAxisLabel:"",yAxisLabel:"",xAxisNumbers:!0,yAxisNumbers:!0,polarMode:!1,polarNumbers:!0,degreeMode:!1,squareAxes:!0};return n}),define("main/graph_settings",["require","pjs","underscore","underscore_model","graphing/axisarrowmode","main/font_sizes","console","graphing/graph-defaults"],function(e){var t=e("pjs"),n=e("underscore"),r=e("underscore_model"),i=e("graphing/axisarrowmode"),o=e("main/font_sizes"),s=e("console"),a=e("graphing/graph-defaults"),l=t(r,function(e,t,c){e.init=function(){function e(e,t,n){function r(){s.setProperty(e,s.projectorMode?n:t)}s.cloneProperties.push(e),s.observe("projectorMode",r),r()}function n(e,t,n,r,i){function o(){var o;o=s.projectorMode?s.highlight?i:r:s.highlight?n:t,s.setProperty(e,o)}s.cloneProperties.push(e),s.observe("projectorMode 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s,a={},l=Math.abs(e.settings.xAxisStep),c=Math.abs(e.settings.yAxisStep),u=e.viewport.xmax-e.viewport.xmin,d=e.viewport.ymax-e.viewport.ymin,p=r.value(l,u).string.indexOf("π")>=0,h=r.value(c,d).string.indexOf("π")>=0,f=i.countStepsInRange(e.viewport.xmin,e.viewport.xmax,l),g=i.countStepsInRange(e.viewport.ymin,e.viewport.ymax,c),m=i.estimateMajors(e),y=e.settings.labelSize;if(l&&l!==Math.PI&&f>=3&&f<100){var v=0;e.settings.xAxisNumbers&&o(e.viewport.xmin,e.viewport.xmax,l,function(e){var t=n(r.value(e,u),y);v=Math.max(t.getWidth(),v)}),s=v+10,e.settings.xAxisNumbers||(s=1===e.settings.xAxisMinorSubdivisions?8:20),f*s<=e.screen.width&&(a.majorStepX=l,3===l||5===l?a.minorStepX=1:a.minorStepX=l/4)}if(c&&c!==Math.PI&&g>=3&&g<100){var b=0;e.settings.yAxisNumbers&&o(e.viewport.ymin,e.viewport.ymax,c,function(e){var t=n(r.value(e,d),y);b=Math.max(t.getHeight(),b)}),s=b+10,e.settings.yAxisNumbers||(s=1===e.settings.yAxisMinorSubdivisions?8:20),g*s<=e.screen.height&&(a.majorStepY=c,3===c||5===c?a.minorStepY=1:a.minorStepY=c/4)}if(!a.majorStepX){var x;x=p?m.majorStepX>=1?i.PI_STEPS:i.PI_FRAC_STEPS:t(l);var w=i.bestStep(m.majorStepX,x);a.majorStepX=w.major,a.minorStepX=w.minor}if(!a.majorStepY){var _;_=h?m.majorStepY>=1?i.PI_STEPS:i.PI_FRAC_STEPS:t(c);var E=i.bestStep(m.majorStepY,_);a.majorStepY=E.major,a.minorStepY=E.minor}if(l===c){var S=2,I=e.screen.width/u/(e.screen.height/d);I>=1&&I<=S?(a.majorStepX=a.majorStepY,a.minorStepX=a.minorStepY):I<=1&&I>=1/S&&(a.majorStepY=a.majorStepX,a.minorStepY=a.minorStepX)}return e.settings.xAxisMinorSubdivisions>0&&(a.minorStepX=a.majorStepX/e.settings.xAxisMinorSubdivisions),e.settings.yAxisMinorSubdivisions>0&&(a.minorStepY=a.majorStepY/e.settings.yAxisMinorSubdivisions),a},i.polar=function(e){var t=i.estimateMajors(e),n=i.bestStep(t.majorStepX,i.RATIONAL_STEPS),r=i.bestStep(t.majorStepY,i.RATIONAL_STEPS),o=n.major>r.major?n:r;return{majorStepR:o.major,minorStepR:o.minor}},i}),define("graphing/gridlayer",["require","pjs","./stepnumber","./label","./computestepsizes","./axisarrowmode"],function(e){var t=e("pjs"),n=e("./stepnumber"),r=e("./label"),i=e("./computestepsizes"),o=e("./axisarrowmode"),s=t(function(e){e.redrawToCtx=function(e,t,n){var r,o,s=t.settings.showGrid;t.settings.polarMode&&s?(r=i.polar(t),this.drawPolarGrid(e,t,r),this.drawAxes(e,t,n),o=this.drawPolarStepNumbers(e,t,r),this.drawLabels(e,t,o)):(r=i.cartesian(t),s&&this.drawCartesianGrid(e,t,r),this.drawAxes(e,t,n),o=this.drawCartesianStepNumbers(e,t,r),this.drawLabels(e,t,o))},e.addTextShadow=function(e){e.strokeStyle="white",e.lineWidth=3,e.miterLimit=2},e.drawPolarGrid=function(e,t,n){e.save();var r=t.settings.minorAxisOpacity,i=t.settings.majorAxisOpacity,o=1-(1-i)/(1-r),s=Math.round(t.mapx(0))-.5,l=Math.round(t.mapy(0))-.5,c=t.screen.height/(t.viewport.ymax-t.viewport.ymin),u=t.screen.width/(t.viewport.xmax-t.viewport.xmin),d=c/u,p=u/c,h=l/d,f=t.viewport.smallestR(),g=t.viewport.largestR(),m=n.minorStepR*Math.max(1,Math.floor(f/n.minorStepR)),y=n.majorStepR*Math.max(1,Math.floor(f/n.majorStepR));e.lineWidth=1,e.strokeStyle="rgba(0, 0 , 0, "+r+")",e.save(),a(m,g,n.minorStepR,function(n){e.beginPath(),e.scale(1,d);var r=t.mapx(n)-s;e.moveTo(s+r,h),e.arc(s,h,r,0,2*Math.PI),e.scale(1,p),e.stroke()}),e.restore();var v=f>0?5:15;a(0,359,v,function(n){if((0!==n&&180!==n||!t.settings.showXAxis)&&(90!==n&&270!==n||!t.settings.showYAxis)){e.beginPath(),e.moveTo(s,l);var r=t.mapx(g*Math.cos(n*Math.PI/180)),i=t.mapy(g*Math.sin(n*Math.PI/180));e.lineTo(Math.round(r)-.5,Math.round(i)-.5),e.stroke()}}),e.lineWidth=1,e.strokeStyle="rgba(0, 0 , 0, "+o+")",e.save(),a(y,g,n.majorStepR,function(n){e.beginPath(),e.scale(1,d);var r=t.mapx(n)-s;e.moveTo(s+r,h),e.arc(s,h,r,0,2*Math.PI),e.scale(1,p),e.stroke()}),e.restore()},e.drawCartesianGrid=function(e,t,n){e.save();var r=t.viewport.xmin,i=t.viewport.ymin,o=t.viewport.xmax,s=t.viewport.ymax,l=t.screen.width,c=t.screen.height,u=t.settings.minorAxisOpacity,d=t.settings.majorAxisOpacity;e.lineWidth=1,e.strokeStyle="rgba(0, 0 , 0, "+u+")",a(r,o,n.minorStepX,function(n){if(0!==n||!t.settings.showYAxis){var r=Math.round(t.mapx(n));r!==l&&(e.beginPath(),e.moveTo(r-.5,0),e.lineTo(r-.5,c),e.stroke())}}),a(i,s,n.minorStepY,function(n){
if(0!==n||!t.settings.showXAxis){var r=Math.round(t.mapy(n));r!==c&&(e.beginPath(),e.moveTo(0,r-.5),e.lineTo(l,r-.5),e.stroke())}});var p=1-(1-d)/(1-u);e.strokeStyle="rgba(0, 0 , 0, "+p+")",a(r,o,n.majorStepX,function(n){if(0!==n||!t.settings.showYAxis){var r=Math.round(t.mapx(n));r!==l&&(e.beginPath(),e.moveTo(r-.5,0),e.lineTo(r-.5,c),e.stroke())}}),a(i,s,n.majorStepY,function(n){if(0!==n||!t.settings.showXAxis){var r=Math.round(t.mapy(n));r!==c&&(e.beginPath(),e.moveTo(0,r-.5),e.lineTo(l,r-.5),e.stroke())}}),e.restore()},e.drawAxes=function(e,t,n){function r(t,n,r){e.save();var i=Math.PI/12,o=8*Math.max(e.lineWidth,1.5);e.lineJoin="round",e.fillStyle=l,e.strokeStyle=l,e.beginPath(),e.moveTo(t,n),e.lineTo(t+Math.cos(r-i)*o,n+Math.sin(r-i)*o),e.lineTo(t+Math.cos(r+i)*o,n+Math.sin(r+i)*o),e.lineTo(t,n),e.lineTo(t+Math.cos(r-i)*o,n+Math.sin(r-i)*o),e.stroke(),e.fill(),e.restore()}var i=t.settings.axisLineOffset,s=t.settings.axisOpacity.toString(),a="rgba(127,205,230,"+s+")",l="rgba(0,0,0,"+s+")",c=t.settings.xAxisArrowMode,u=t.settings.yAxisArrowMode,d=t.settings.showXAxis,p=t.settings.showYAxis,h=1,f=Math.round(t.mapx(0))-i,g=Math.round(t.mapy(0))-i,m=t.screen.height,y=t.screen.width;p&&(e.lineWidth=t.settings.axisLineWidth*("y"===n?h:1),e.strokeStyle="y"===n?a:l,u===o.BOTH?(e.beginPath(),e.moveTo(f,2*t.settings.axisLineWidth),e.lineTo(f,m-2*t.settings.axisLineWidth),e.stroke(),r(f,m-t.settings.axisLineWidth,3*Math.PI/2),r(f,t.settings.axisLineWidth,Math.PI/2)):u===o.POSITIVE?(e.beginPath(),e.moveTo(f,2*t.settings.axisLineWidth),e.lineTo(f,m),e.stroke(),r(f,t.settings.axisLineWidth,Math.PI/2)):(e.beginPath(),e.moveTo(f,0),e.lineTo(f,m),e.stroke())),d&&(e.lineWidth=t.settings.axisLineWidth*("x"===n?h:1),e.strokeStyle="x"===n?a:l,c===o.BOTH?(e.beginPath(),e.moveTo(2*t.settings.axisLineWidth,g),e.lineTo(y-2*t.settings.axisLineWidth,g),e.stroke(),r(t.settings.axisLineWidth,g,0),r(y-t.settings.axisLineWidth,g,Math.PI)):c===o.POSITIVE?(e.beginPath(),e.moveTo(0,g),e.lineTo(y-2*t.settings.axisLineWidth,g),e.stroke(),r(y-t.settings.axisLineWidth,g,Math.PI)):(e.beginPath(),e.moveTo(0,g),e.lineTo(y,g),e.stroke()))},e.drawPolarStepNumbers=function(e,t,i){function o(e,n,r){var i=Math.sqrt(e*e-n*n);v<=i&&i<=b&&r.push({x:t.mapx(n),y:t.mapy(i)}),v<=-i&&-i<=b&&r.push({x:t.mapx(n),y:t.mapy(-i)})}function s(e,n,r){var i=Math.sqrt(e*e-n*n);m<=i&&i<=y&&r.push({x:t.mapx(i),y:t.mapy(n)}),m<=-i&&-i<=y&&r.push({x:t.mapx(-i),y:t.mapy(n)})}e.save();var u=t.settings.showGrid,d=t.settings.xAxisNumbers&&t.settings.showXAxis,p=t.settings.yAxisNumbers&&t.settings.showYAxis,h=u&&t.settings.polarNumbers,f=t.viewport.largestR(),g=t.viewport.smallestR(),m=t.viewport.xmin,y=t.viewport.xmax,v=t.viewport.ymin,b=t.viewport.ymax,x=t.screen.width,w=t.screen.height,_={left:3,right:x-3,top:3,bottom:w-3},E=t.settings.labelHangingColor,S=t.settings.labelNormalColor,I=t.settings.labelSize,M=I;e.textAlign="center",e.textBaseline="middle",this.addTextShadow(e),e.font=I.toString()+"px Arial",e.fillStyle=S;var k=t.mapx(0),C=t.mapy(0),P=v<=0&&0<=b,A=m<=0&&0<=y,T=P&&d,L=A&&p,O="";if(!T&&!L&&u){var D,q,F,N,R=Math.abs(k),j=Math.abs(k-x),B=Math.abs(C),V=Math.abs(C-w);R<=j?(D="left",F=R):(D="right",F=j),B<=V?(q="top",N=B):(q="bottom",N=V),d&&p?O=F<=N?D:q:p?O=D:d&&(O=q)}var U={left:0,right:x,top:C-1,bottom:C+1},G={left:k-1,right:k+1,top:0,bottom:w};if(a(0,f,i.majorStepR,function(i){var a=[],l=[],u=[],h=n(r.value(i,f),I),g=h.getRect();switch(i>0?(L&&v<=i&&i<=b&&l.push({x:k-g.right-5,y:t.mapy(i)}),L&&v<=-i&&-i<=b&&l.push({x:k-g.right-5,y:t.mapy(-i)}),T&&m<=i&&i<=y&&a.push({x:t.mapx(i),y:C-g.top+3}),T&&m<=-i&&-i<=y&&a.push({x:t.mapx(-i),y:C-g.top+3})):L&&!d&&v<=i&&i<=b?l.push({x:k-g.right-5,y:t.mapy(i)}):T&&!p&&m<=i&&i<=y&&a.push({x:t.mapx(i),y:C-g.top+3}),O){case"top":s(i,b,u);break;case"bottom":s(i,v,u);break;case"left":o(i,m,u);break;case"right":o(i,y,u)}a.forEach(function(t){t=h.clampBoundsWithinRect(t,_),h.drawCenteredAt(e,t),c(U,h.getRectWhenCenteredAt(t))}),l.forEach(function(t){t=h.clampBoundsWithinRect(t,_),h.drawCenteredAt(e,t),c(G,h.getRectWhenCenteredAt(t))}),u.forEach(function(t){t=h.clampBoundsWithinRect(t,_),h.drawCenteredAt(e,t)})}),h){var z=Math.ceil(g/i.majorStepR),H=Math.floor(f/i.majorStepR),K=Math.ceil((z+H)/2),W=K*i.majorStepR,$=g>0?15:30;a(0,359,$,function(n){var i;i=t.settings.degreeMode?n.toString()+"°":r.value(n*Math.PI/180,2*Math.PI).string;var o=e.measureText(i).width/2,s=W/1.05,a=s*Math.cos(n*Math.PI/180),c=s*Math.sin(n*Math.PI/180);if(!(a<m||a>y||c<v||c>b)){var u=t.mapx(a),d=t.mapy(c);0===n||180===n?d-=M:90!==n&&270!==n||(u+=o+3);var p=l(u,3+o,x-3-o),h=l(d,3+M,w-3-M);e.fillStyle=E,e.strokeText(i,p,h),e.fillText(i,p,h)}})}return e.restore(),{x:U,y:G}},e.drawLabels=function(e,t,n){var r=t.viewport.xmin,i=t.viewport.xmax,o=t.viewport.ymin,s=t.viewport.ymax,a=t.screen.width,l=t.screen.height,c=(i-r)/a,d=(s-o)/l,p=t.settings.labelNormalColor,h=t.mapx(0),f=t.mapy(0),g=t.settings.labelSize,m=15,y=t.settings.showXAxis&&t.settings.xAxisLabel,v=t.settings.showYAxis&&t.settings.yAxisLabel,b=n.x,x=n.y;if(y&&b){e.save(),e.fillStyle=p;var w;if(e.__xLabelOffset&&t.settings.isViewportTransient&&u(e.__xLabelOffset.xscale,c)&&u(e.__xLabelOffset.yscale,d)&&(w={x:e.__xLabelOffset.x+h,y:e.__xLabelOffset.y+f}),this._setAxisLabelFont(e,y,g),!w){var _=e.measureText(y).width,E=a-_-m,S=g;w=b.bottom+S<l?{x:E,y:b.bottom+S}:{x:E,y:b.top-S/2},e.__xLabelOffset={x:w.x-h,y:w.y-f,xscale:c,yscale:d}}e.strokeText(y,w.x,w.y),e.fillText(y,w.x,w.y),e.restore()}else e.__xLabelPosition=null;if(v&&x){e.save(),e.fillStyle=p;var I;if(e.__yLabelOffset&&t.settings.isViewportTransient&&u(e.__yLabelOffset.xscale,c)&&u(e.__yLabelOffset.yscale,d)&&(I={x:e.__yLabelOffset.x+h,y:e.__yLabelOffset.y+f}),this._setAxisLabelFont(e,v,g),!I){var M=e.measureText(v).width,k=g,C=M+5;if(!this._isShortMathyLabel(v)){var P=M;M=k,k=P,C=.5*M}var A=0+m+k;I=x.left-M>0?{x:x.left-C,y:A}:{x:x.right+M,y:A},e.__yLabelOffset={x:I.x-h,y:I.y-f,xscale:c,yscale:d}}e.translate(I.x,I.y),this._isShortMathyLabel(v)||e.rotate(-Math.PI/2),e.strokeText(v,0,0),e.fillText(v,0,0),e.restore()}else e.__yLabelPosition=null},e._isShortMathyLabel=function(e){return e.trim().match(/^([a-zA-Z]?)\(?([a-zA-Z]?)\)?$/)},e._setAxisLabelFont=function(e,t,n){this.addTextShadow(e),this._isShortMathyLabel(t)?e.font="italic "+Math.round(1.4*n.toString())+"px Times":e.font=Math.round(1.2*n.toString())+"px Arial"},e.drawCartesianStepNumbers=function(e,t,i){e.save();var o=t.settings.showXAxis,s=t.settings.showYAxis,l=o&&t.settings.xAxisNumbers,u=s&&t.settings.yAxisNumbers,d=t.viewport.xmin,p=t.viewport.xmax,h=t.viewport.ymin,f=t.viewport.ymax,g=t.screen.width,m=t.screen.height,y={left:3,top:3,right:g-3,bottom:m-3},v=t.settings.labelHangingColor,b=t.settings.labelNormalColor,x=t.mapx(0),w=t.mapy(0),_=t.settings.labelSize;this.addTextShadow(e);var E={left:0,right:g,top:w-1,bottom:w+1},S={left:x-1,right:x+1,top:0,bottom:m},I=!1;if(o&&s&&(l||u)){I=!0,e.fillStyle=b;var M=n(r.value(0,1),_);M.drawCenteredAt(e,{x:x-M.getRect().right-5,y:w-M.getRect().top+3})}return l&&a(d,p,i.majorStepX,function(i){var o=n(r.value(i,p-d),_),s={x:t.mapx(o.getValue())-.5*o.getMinusWidth(),y:w-o.getRect().top+5},a=o.clampBoundsWithinRect(s,y);e.fillStyle=s.y===a.y?b:v,"0"===o.getString()&&I||(o.drawCenteredAt(e,a),c(E,o.getRectWhenCenteredAt(a)))}),u&&a(h,f,i.majorStepY,function(i){var o=n(r.value(i,f-h),_),s={x:x-5-o.getRect().right,y:t.mapy(o.getValue())},a=o.clampBoundsWithinRect(s,y);e.fillStyle=s.x===a.x?b:v,"0"===o.getString()&&I||(o.drawCenteredAt(e,a),c(S,o.getRectWhenCenteredAt(a)))}),e.restore(),{x:E,y:S}}}),a=function(e,t,n,r){var i=Math.ceil(e/n),o=Math.floor(t/n);if(isFinite(o-i)&&!(o-i>1e4))for(var s=i;s<=o;s++)r(s*n)},l=function(e,t,n){return e<t?t:e>n?n:e},c=function(e,t){t.left<e.left&&(e.left=t.left),t.right>e.right&&(e.right=t.right),t.top<e.top&&(e.top=t.top),t.bottom>e.bottom&&(e.bottom=t.bottom)},u=function(e,t){var n=Math.abs(e),r=Math.abs(t),i=1e-4;return Math.abs(n-r)<=(n<r?r:n)*i};return s}),define("graphing/graphsketch",["require","math/poi","./poi","graphing/graphmode"],function(e){function t(e,t){this.color="#000000",this.style="normal",this.visible=!0,this.showPOI=!1,this.showHighlight=!1,this.selected=!1,this.labels=[],this.id=e,this.branches=void 0!==t?t:[],this.getPOI().forEach(function(e){e.type===n.LABEL&&this.labels.push(e)}.bind(this))}var n=e("math/poi").default,r=e("./poi"),i=e("graphing/graphmode");return t.prototype.getPOI=function(){if(this.__cachedPOI)return this.__cachedPOI;var e,t;this.__cachedPOI=[],this.__cachedPOIIds={};for(var r=0;r<this.branches.length;r++){e=this.branches[r],t=e.graphMode;var o=e.poi;if(t===i.X||t===i.Y)this._pushPOI(o.zeros,r,n.ZERO),this._pushPOI(o.intercept,r,n.INTERCEPT),this._pushPOI(o.extrema,r,n.EXTREMUM),this._pushPOI(o.intersections,r,n.INTERSECTION);else if(t===i.XYPOINT||t===i.XYPOINT_MOVABLE)if(e.showLabel===!0){var s=e.nakedLabel;this._pushPOI(o.defined,r,n.LABEL,s)}else this._pushPOI(o.defined,r,n.DEFINITION)}return this.__cachedPOI},t.prototype.getBranchPOI=function(e){return this.getPOI().filter(function(t){return t.branch===e}.bind(this))},t.prototype.getMovablePoints=function(){if(this.__cachedMovablePoints)return this.__cachedMovablePoints;this.__cachedMovablePoints=[];var e=this.branches[0];if(e&&1===e.segments.length&&e.graphMode===i.XYPOINT_MOVABLE)for(var t=e.segments[0],n=0;n<t.length;n++){var r;e.tableId&&(r={tableId:e.tableId,columnId:this.id,rowIndex:e.movablePointInfo[n].index,dragX:e.movablePointInfo[n].dragX,dragY:e.movablePointInfo[n].dragY});var o;e.scaleFactors&&(o=e.scaleFactors[0][n]);var s=r?r.rowIndex:n;this.__cachedMovablePoints.push({id:"movable:["+this.id+","+s+"]",sketch:this,color:this.color,tableInfo:r,scaleFactor:o,x:t[n][0],y:t[n][1],isMovable:!0,label:e.labels&&e.labels[n]})}return this.__cachedMovablePoints},t.prototype._pushPOI=function(e,t,n,i){if(e)for(var o=0,s=e.x.length;o<s;o++){var a=new r(e.x[o],e.y[o],n,this,t,o,i);e.intersects&&(a.intersects=e.intersects[o]),this.__cachedPOI.push(a),this.__cachedPOIIds[a.id]=a}},t.prototype.updateIntersections=function(e){for(var t=0,r=this.branches.length;t<r;t++)this.branches[t].poi.intersections=e[t];var o=this.__cachedPOI;this.__cachedPOI=[],o.forEach(function(e){e.type!==n.INTERSECTION?this.__cachedPOI.push(e):delete this.__cachedPOIIds[e.id]}.bind(this));var s,a;for(t=0;t<this.branches.length;t++){s=this.branches[t],a=s.graphMode;var l=s.poi;a!==i.X&&a!==i.Y||this._pushPOI(l.intersections,t,n.INTERSECTION)}},t.prototype.getPOIById=function(e){return this.__cachedPOIIds[e]},t.prototype.updateFrom=function(e){if(e){this.visible=!0,this.showPOI=e.showPOI,this.showHighlight=e.showHighlight,this.selected=e.selected;var t=this.branches[0].graphMode;if(t===i.XYPOINT||t===i.XYPOINT_MOVABLE){var n,r,o,s=!0;for(o=0;o<this.__cachedPOI.length;o++)if(n=e.__cachedPOI[o],r=this.__cachedPOI[o],!n||n.type!==r.type){s=!1;break}if(s)for(o=0;o<this.__cachedPOI.length;o++)n=e.__cachedPOI[o],r=this.__cachedPOI[o],delete this.__cachedPOIIds[r.id],this.__cachedPOIIds[n.id]=r,r.id=n.id}}},t}),define("graphing/imagelayer",["require","pjs","underscore","./draw-image-to-ctx"],function(e){var t=e("pjs"),n=e("underscore"),r=e("./draw-image-to-ctx").drawImageToCtx,i=t(function(e){e.redrawToCtx=function(e,t,i,o){(void 0===o||o.length<n.size(i))&&(o=n.keys(i));for(var s=0;s<o.length;s++){var a=i[o[s]];a&&a.shouldGraph&&!a.foreground&&r(a,e,t)}}});return i}),define("math/recttransformation",["require","pjs"],function(e){var t=e("pjs"),n=t(function(e,t,r){function i(e,t){var n=e-1;return 1+n*n*n===1?t*(1+n*(t-1)*(.5+1/6*n*(t-2))):(Math.pow(e,t)-1)/n}e.init=function(e,t,n,r){this.tx=void 0!==e?e:0,this.ty=void 0!==t?t:0,this.sx=void 0!==n?n:1,this.sy=void 0!==r?r:this.sx},r.scale=function(e,t){return new n(0,0,e,t)},r.translate=function(e,t){return(new n).translate(e,t)},r.scaleAtPoint=function(e,t,r){return void 0===r&&(r=t),new n(e.x*(1-t),e.y*(1-r),t,r)},e.compose=function(e){return new n(this.sx*e.tx+this.tx,this.sy*e.ty+this.ty,this.sx*e.sx,this.sy*e.sy)},e.translate=function(e,t){var r=void 0===t?e.x:t.x-e.x,i=void 0===t?e.y:t.y-e.y;return new n(this.tx+r,this.ty+i,this.sx,this.sy)},e.scale=function(e,t){return n.scale(e,t).compose(this)},e.scaleAtPoint=function(e,t,r){return n.scaleAtPoint(e,t,r).compose(this)},e.inverse=function(){return new n(-this.tx/this.sx,-this.ty/this.sy,1/this.sx,1/this.sy)},e.div=function(e){return new n((this.tx*e.sx-this.sx*e.tx)/e.sx,(this.ty*e.sy-this.sy*e.ty)/e.sy,this.sx/e.sx,this.sy/e.sy)},e.conjugate=function(e){return new n(this.tx*e.sx+e.tx*(1-this.sx),this.ty*e.sy+e.ty*(1-this.sy),this.sx,this.sy)},e.pow=function(e){return new 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r=e("math/recttransformation"),i=function(e,i,o){this.screen=e,this.viewport=i,this.settings=o,this.mathCoordinates=n(i),this.pixelCoordinates=t(e),this.mathToPixels=r.fromRects(this.mathCoordinates,this.pixelCoordinates),this.pixelsToMath=r.fromRects(this.pixelCoordinates,this.mathCoordinates)};return i.prototype.mapx=function(e){return this.mathToPixels.mapX(e)},i.prototype.mapy=function(e){return this.mathToPixels.mapY(e)},i.prototype.map_pt=function(e){return this.mathToPixels.mapPoint(e)},i.prototype.reverse_mapx=function(e){return this.pixelsToMath.mapX(e)},i.prototype.reverse_mapy=function(e){return this.pixelsToMath.mapY(e)},i.prototype.reverse_map_pt=function(e){return this.pixelsToMath.mapPoint(e)},i.prototype.coordsAreOnscreen=function(e,t,n){return n=void 0===n?0:n,e>-n&&t>-n&&e<this.screen.width+n&&t<this.screen.height+n},i.prototype.closestPointOnScreen=function(e){var t=this.pixelCoordinates;return{x:Math.min(Math.max(e.x,t.left),t.right),y:Math.min(Math.max(e.y,t.top),t.bottom)}},i}),define("lib/aria",["require","jquery","pjs"],function(e){var t=e("jquery"),n=e("pjs"),r=n(function(e){e.init=function(){this.jQ=t([]),t(document).ready(function(){var e=".dcg-aria-alert";t(e).length||t("body").append("<p aria-live='assertive' aria-atomic='true' class='dcg-aria-alert'></p>"),this.jQ=t(e)}.bind(this)),this.items=[]},e.queue=function(e){return this.items.push(e),this},e.alert=function(e){return e&&this.queue(e),this.items.length&&this.jQ.empty().text(this.items.join(" ").replace(/ +(?= )/g,"")),this.clear()},e.clear=function(){return this.items.length=0,this},e.addAria=function(e){return e.attr("aria-atomic","true").attr("aria-live","assertive")},e.removeAria=function(e){return e.removeAttr("aria-atomic").removeAttr("aria-live")},e.toggleAria=function(e){return e.hasClass("dcg-visible")?this.addAria(e):this.removeAria(e)}});return r()}),define("graphing/movablepointslayer",["require","pjs","jquery","./domlayer","browser","./constants","lib/aria","i18n","./label"],function(e){var t=e("pjs"),n=e("jquery"),r=e("./domlayer"),i=e("browser"),o=e("./constants"),s=e("lib/aria"),a=e("i18n"),l=e("./label"),c=t(r,function(e,t){e.init=function(e,n){t.init.call(this,e),this.graphSettings=n,this.renderedMovablePoints={},this.prevLabels={},this.prevCoordinates={},this.cachedAriaLabels={}},e.t=function(e,t){return a.t(e,t,this.graphSettings.language)},e.redraw=function(e,t){this.resize(e.screen.width,e.screen.height);var n=null,r=null;for(var i in this.renderedMovablePoints)this.renderedMovablePoints[i].shouldGarbageCollect=!0;for(i in t){var o=t[i];if(o.visible)for(var s=o.getMovablePoints(),a=0;a<s.length;a++){var l=s[a],c={};l.id===this.hoveredPointId&&(c.hovered=!0,n=l),l.id===this.pressedPointId&&(c.pressed=!0,r=l),this.drawMovablePoint(l,e,c)}}for(i in 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v=this.getAriaLabel(e,y,t,m);""!==v&&(g.attr("aria-label",v),this.speakPointCoordinates(g[0],v)),g.toggleClass("dcg-simulate-hovered",!!r.hovered),g.toggleClass("dcg-simulate-active",!!r.pressed),p&&g.on("blur.mp_listener",function(e){setTimeout(function(){g.attr("aria-label",this.getAriaLabel(g.data("movablePoint"),g.data("renderedOnScreen"),t,!1))}.bind(this),0)}.bind(this)),this.renderedMovablePoints[s].shouldGarbageCollect=!1}},e.getAriaLabel=function(e,t,n,r){if(!e||!n)return"";var i=n.viewport;if(!i)return"";var o=this.getLabelFromMovablePoint(e),s="X: "+l.value(e.x,i.xmax-i.xmin).ariaString+". 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t=e("jquery"),n="_*_";t.Event.prototype.wasHandled=function(e){e=e?e:n;var r=this.originalEvent,i=r&&r.handledBy;if(i&&i[e])return!0;if(e!==n)return!1;var o=t(this.target).closest("[handleEvent]");return!(!o.length||o[0]===this.currentTarget)&&"false"!==o.attr("handleEvent")},t.Event.prototype.handle=function(e){e=e?e:n;var t=this.originalEvent;if(t){var r=t.handledBy;r||(r=t.handledBy={}),r[e]=!0}}}),function(e){"function"==typeof define&&define.amd?define("vendor/jquery.mousewheel",["jquery"],e):"object"==typeof exports?module.exports=e:e(jQuery)}(function(e){function t(t){var s=t||window.event,a=l.call(arguments,1),c=0,u=0,d=0,p=0;if(t=e.event.fix(s),t.type="mousewheel","detail"in s&&(d=s.detail*-1),"wheelDelta"in s&&(d=s.wheelDelta),"wheelDeltaY"in s&&(d=s.wheelDeltaY),"wheelDeltaX"in s&&(u=s.wheelDeltaX*-1),"axis"in s&&s.axis===s.HORIZONTAL_AXIS&&(u=d*-1,d=0),c=0===d?u:d,"deltaY"in s&&(d=s.deltaY*-1,c=d),"deltaX"in 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this.unbind("mousewheel",e)}})}),define("graphing/viewportcontroller",["require","jquery","pjs","lib/aria","i18n","math/recttransformation","./viewport","math/distance","./constants","lib/animation-frame","./projection","keys","jquery.handleevent","vendor/jquery.mousewheel"],function(e){var t=e("jquery"),n=e("pjs"),r=e("lib/aria"),i=e("i18n"),o=e("math/recttransformation"),s=e("./viewport"),a=e("math/distance"),l=e("./constants"),c=e("lib/animation-frame"),u=e("./projection"),d=e("keys");e("jquery.handleevent"),e("vendor/jquery.mousewheel");var p=n(function(e){function n(e,t){var n=t.x-e.x,r=t.y-e.y,i=.5*(e.x+t.x),o=.5*(e.y+t.y),s=.5*a.hypot(n,r);return{center:f(i,o),radius:s}}function p(e,t){var r={x:2*e.x-t.x,y:2*e.y-t.y};return n(t,r)}function h(e,t){for(var n=[],r=0;r<e.length;r++)n.push(f(e[r].x-t.left,e[r].y-t.top));return n}function f(e,t){return{x:e,y:t}}function g(e){return f(.5*(e.left+e.right),.5*(e.bottom+e.top))}var 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t=this.$[0].getBoundingClientRect();this.mousePt=f(e.clientX-t.left,e.clientY-t.top)},e.updateScaleAxis=function(){this.isMouseNearYAxis()?this.grapher.scaleAxis="y":this.isMouseNearXAxis()?this.grapher.scaleAxis="x":this.grapher.scaleAxis="both",this.updateCursor(),this.grapher.redrawAllLayers()},e.updateCursor=function(){this.$.toggleClass("dcg-scale-horizontal","x"===this.grapher.scaleAxis),this.$.toggleClass("dcg-scale-vertical","y"===this.grapher.scaleAxis),this.$.toggleClass("dcg-scale-both","both"===this.grapher.scaleAxis)},e.isMouseNearOrigin=function(){var e=this.getProjection(),t=e.mathToPixels.mapPoint(f(0,0));return Math.abs(this.mousePt.x-t.x)<50&&Math.abs(this.mousePt.y-t.y)<50},e.isMouseNearXAxis=function(){var e=this.getProjection(),t=e.pixelCoordinates,n=e.mathToPixels.mapY(0);return n=Math.min(Math.max(t.top,n),t.bottom),Math.abs(this.mousePt.y-n)<40&&e.settings.showXAxis},e.isMouseNearYAxis=function(){var e=this.getProjection(),t=e.pixelCoordinates,n=e.mathToPixels.mapX(0);return n=Math.min(Math.max(t.left,n),t.right),Math.abs(this.mousePt.x-n)<40&&e.settings.showYAxis},e.getDefaultViewport=function(){return this.controller.getDefaultStateViewport()||this.grapher.getDefaultViewport()},e._setViewportWithoutCancellingAnimation=function(e){if(e.isValid()&&!e.equals(this.getViewport())){var t=this.getProjection();this.grapher._setProjection(new u(t.screen,e,t.settings))}},e.setViewport=function(e){this.cancelAnimation(),this._setViewportWithoutCancellingAnimation(e)},e.setScreen=function(e){var t=this.getProjection(),n=new u(e,this.getViewportForScreen(t.viewport,e),t.settings);this.grapher._setProjection(n)},e.getTransformedViewport=function(e){var t=this.getProjection(),n=t.pixelsToMath.div(e).mapRect(t.pixelCoordinates);return new s(n.left,n.right,n.bottom,n.top)},e.transformViewport=function(e){this.setViewport(this.getTransformedViewport(e))},e.animateTransformation=function(e){function t(s){r||(r=s);var a=(s-r)/l.ANIMATE_ZOOM_DURATION;o+=a,o<1?(n.__animationTimeout=c.requestAnimationFrame(t),n._setViewportWithoutCancellingAnimation(n.getTransformedViewport(e.pow(a))),n.grapher.debounceUserRequestedViewportChange()):(n.setViewport(i),n.grapher.debounceUserRequestedViewportChange())}var n=this;this.cancelAnimation();var r,i=this.getTransformedViewport(e),o=0;this.__animationTimeout=c.requestAnimationFrame(t)},e.cancelAnimation=function(){c.cancelAnimationFrame(this.__animationTimeout)},e.addMouseWheelEventHandler=function(){var e,n,r=this,i=!1;t(window).on("scroll.viewportcontroller-"+this.__id,function(e){i=!0}),t(window).on("mousewheel.viewportcontroller-"+this.__id,function(t){e=t.originalEvent.clientX,n=t.originalEvent.clientY}),t(window).on("mousemove.viewportcontroller-"+this.__id,function(t){if(i){var r=t.originalEvent.clientX-e,o=t.originalEvent.clientY-n,s=r*r+o*o;s<100||(i=!1)}});var s=0,a=function(e,t){var n=Date.now();if(r.preventScrollZoom&&n-r.lastScrollZoom>50&&(r.preventScrollZoom=!1),r.lastScrollZoom=n,!r.preventScrollZoom){var a=this.getProjection();if(!a.settings.config.lockViewport){var u=a.mathToPixels;if(!i){e.preventDefault(),r.updateMouse(e);var d=u.mapPoint(f(0,0)),p=r.isMouseNearOrigin()&&t>0?d:r.mousePt;if(!(s>0)){s+=1,c.requestAnimationFrame(function(){s--}),t=t>0?1:-1;var h=t>0?l.ZOOM_FACTOR:1/l.ZOOM_FACTOR,g=r.grapher.scaleAxis,m="x"!==g&&"both"!==g&&g?1:h,y="y"!==g&&"both"!==g&&g?1:h;this.transformViewport(o.scaleAtPoint(p,m,y)),this.grapher.debounceUserRequestedViewportChange()}}}}};this.$.mousewheel(a.bind(this))},e.handleDoubleClick=function(e){var t=this.getProjection();if(!t.settings.config.lockViewport&&!t.settings.config.disable_dblclick_zooming&&!e.wasHandled()){e.preventDefault();var n=this.$[0].getBoundingClientRect(),r=f(e.clientX-n.left,e.clientY-n.top);this.animateTransformation(o.scaleAtPoint(r,l.DOUBLETAP_ZOOM))}},e.applyPanTouchChanges=function(e,t){if(!this.getProjection().settings.config.lockViewport&&!this.isShiftPressed){var n=f(t[0].x-e[0].x,t[0].y-e[0].y);this.transformViewport(o.translate(n)),this.grapher.debounceUserRequestedViewportChange()}},e.chooseDragScaleCenter=function(){var e=this.getProjection(),t=e.pixelCoordinates,n=e.mathToPixels.mapX(0),r=e.mathToPixels.mapY(0);return n=Math.min(Math.max(t.left,n),t.right),r=Math.min(Math.max(t.top,r),t.bottom),f(n,r)},e.applyScaleTouchChanges=function(e,t){var r=this.getProjection();if(!r.settings.config.lockViewport){var i,s,a=this.grapher.scaleAxis;if(2===e.length&&2===t.length)i=n(e[0],e[1]),s=n(t[0],t[1]);else{if(1!==t.length)return;var l=this.chooseDragScaleCenter();i=p(l,e[0]),s=p(l,t[0])}var c=s.radius/i.radius,u="y"===a?1:c,d="x"===a?1:c,h=o.scaleAtPoint(i.center,u,d).translate(i.center,s.center);this.transformViewport(h),this.grapher.debounceUserRequestedViewportChange()}},e.addTouchEventHandler=function(){var e=this,n=[],r=!1,i=!0,o=!0,s=function(t){var n=e.grapher.getProjection();r||n.settings.config.lockViewport||(e.updateMouse(t),e.isShiftPressed&&e.updateScaleAxis())};t(window).on("mousemove.viewportcontroller-"+this.__id,s);var a=function(n){var s=e.getProjection();if(!s.settings.config.lockViewport&&!n.wasHandled()&&!r&&n.touches.length===n.changedTouches.length){r=!0,e.grapher.isDragging=!0,e.updateMouse(n);var a=s.mathToPixels.mapPoint(f(0,0)),l=e.grapher.scaleAxis;"x"!==l&&"both"!==l||(i=e.mousePt.x>a.x),"y"!==l&&"both"!==l||(o=e.mousePt.y>a.y),e.controller.dispatch({type:"grapher/drag-start"}),t(document).on("dcg-tapmove.graphdrag",p),t(document).on("dcg-tapstart.graphdrag dcg-tapend.graphdrag dcg-tapcancel.graphdrag",g)}},l=function(t){if(!(t.length<2)){var n=e.grapher.getProjection(),r=n.pixelCoordinates,i=n.mathToPixels.mapX(0),o=n.mathToPixels.mapY(0),s=40;i=Math.min(Math.max(r.left,i),r.right),o=Math.min(Math.max(r.top,o),r.bottom);var a=t[1].x-t[0].x,l=t[1].y-t[0].y;return Math.abs(t[0].x-i)<s&&Math.abs(t[1].x-i)<s&&Math.abs(l)>3*Math.abs(a)&&n.settings.showYAxis?"y":Math.abs(t[0].y-o)<s&&Math.abs(t[1].y-o)<s&&Math.abs(a)>3*Math.abs(l)&&n.settings.showXAxis?"x":"both"}},c=function(t){return e.grapher.scaleAxis||(e.grapher.scaleAxis=l(t)),e.grapher.scaleAxis},u=function(){e.grapher.scaleAxis&&(e.grapher.scaleAxis=void 0,e.grapher.redrawAllLayers(),e.updateCursor())},p=function(t){if(r&&!e.getProjection().settings.config.lockViewport){var s=h(t.touches,e.$.offset());if(2===n.length&&2===s.length)c(s),e.applyScaleTouchChanges(n,s);else if(1===n.length&&e.isShiftPressed){e.updateMouse(t);var a,l,d=e.grapher.scaleAxis,p=e.getProjection(),g=p.mathToPixels.mapPoint(f(0,0)),m=5,y=i?1:-1,v=o?1:-1;if("x"!==d&&"both"!==d||(a=e.mousePt.x>g.x+m*y),"y"!==d&&"both"!==d||(l=e.mousePt.y>g.y+m*v),"x"===d&&i!==a)return;if("y"===d&&o!==l)return;if("both"===d&&i!==a&&o!==l)return;e.applyScaleTouchChanges(n,s)}else u();1===n.length&&e.applyPanTouchChanges(n,s),e.controller.dispatch({type:"grapher/drag-move"}),n=s}},g=function(i){r&&(e.cancelAnimation(),n=h(i.touches,e.$.offset()),0===i.touches.length&&(r=!1,e.grapher.isDragging=!1,t(document).off(".graphdrag"),e.grapher.debounceUserRequestedViewportChange(),e.controller.dispatch({type:"grapher/drag-end"})),(0===i.touches.length||1===i.touches.length&&!e.isShiftPressed)&&u())};this.$.css("touch-action","none"),this.$.on("dcg-tapstart",a),this.$.on("dblclick",this.handleDoubleClick.bind(this)),t(window).on("keydown.viewportcontroller-"+this.__id,function(e){d.lookup(e)===d.SHIFT&&(this.isShiftPressed=!0,this.grapher.scaleAxis||this.updateScaleAxis())}.bind(this)),t(window).on("keyup.viewportcontroller-"+this.__id+" blur.viewportcontroller-"+this.__id,function(){this.isShiftPressed=!1,this.preventScrollZoom=!0,u()}.bind(this));
},e.zoom=function(e){var t=this.getProjection().pixelCoordinates;"in"===e?this.animateTransformation(o.scaleAtPoint(g(t),2)):"out"===e?this.animateTransformation(o.scaleAtPoint(g(t),.5)):"default"===e&&this.animateTransformation(this.getDefaultZoomTransform()),r.alert(this.t("Graph zoom __action__",{action:e}))},e.getDefaultZoomTransform=function(){var e=this.getProjection().viewport,t=this.getDefaultViewport(),n=this.getProjection().pixelCoordinates,r=this.getProjection().mathCoordinates,i=(e.xmax-e.xmin)/(t.xmax-t.xmin),s=(e.ymax-e.ymin)/(t.ymax-t.ymin),a=function(){return{x:0,y:0}},l=o.fromRects(r,n),c=new o.translate(l.mapPoint(a()),a()),u=new o.scale(i,s),d=o.fromRects({left:t.xmin,right:t.xmax,bottom:t.ymin,top:t.ymax},n),p=new o.translate(a(),d.mapPoint(a()));return p.compose(u.compose(c))},e.isZoomRestored=function(){var e=this.getProjection(),t=e.viewport,n=this.getDefaultViewport(),r=.05;return e.settings.squareAxes&&Math.abs((t.xmin-n.xmin)/t.xmin)<r&&Math.abs((t.xmax-n.xmax)/t.xmax)<r&&Math.abs((t.ymin-n.ymin)/t.ymin)<r&&Math.abs((t.ymax-n.ymax)/t.ymax)<r},e.getViewportForScreen=function(e,t){var n=this.getProjection(),r=n.settings;if(!r.squareAxes)return e;var i=r.lastChangedAxis;return"y"==i?e.squareXAxis(t):e.squareYAxis(t)},e.enforceSquareAxes=function(){var e=this.getProjection();this.setViewport(this.getViewportForScreen(e.viewport,e.screen))}});return p}),define("lib/conditional_blur",["require","exports","touchtracking","jquery"],function(e,t,n,r){"use strict";function i(){var e=r(document.activeElement);n.elIsFocusable(e)&&r(document.activeElement).blur()}Object.defineProperty(t,"__esModule",{value:!0}),t.default=i}),define("graphing/poicontroller",["require","jquery","math/distance","lib/rounding","graphing/graphmode","lib/conditional_blur","keys","lib/aria","./label"],function(e){function t(e,t){this.manager=e,this.controller=e.controller,this.graphSettings=t,this.$=this.manager.$,this.__id=u++,this.graphSettings.config.graphpaper&&!this.graphSettings.config.disableMouseInteractions&&(this.addTouchEventHandlers(),this.addHoverEventHandler(),this.addKeydownEventHandler())}var n=e("jquery"),r=e("math/distance"),i=e("lib/rounding"),o=e("graphing/graphmode"),s=e("lib/conditional_blur").default,a=e("keys"),l=e("lib/aria"),c=e("./label"),u=0;return t.prototype.remove=function(){this.removeAllGlobalMouseListeners()},t.prototype.addGlobalMouseListener=function(e,t){for(var r=e.split(" "),i=0;i<r.length;i++)n(document).on(r[i]+".dcg-poiController-"+this.__id,t)},t.prototype.removeAllGlobalMouseListeners=function(){n(document).off(".dcg-poiController-"+this.__id)},t.prototype.getToleranceByDevice=function(e){return"touch"===e?20:10},t.prototype.addHoverEventHandler=function(){this.$.on("dcg-tapmove",function(e){if("touch"!==e.device){var t=n(document.elementFromPoint(e.clientX,e.clientY)).closest(".dcg-grapher").length,r=this.getMouseRelativeToGrapher(e),i=this.getToleranceByDevice(e.device),o=t?this.getPOIUnderPoint(r,i):null,s=null;o&&o.isMovable()&&(s=o.getMovablePoint().id);var a=o&&!o.isAttachedToPlottedPoint()?o:null;if(a!==this.manager.poiLabelsLayer.getHoveredPOI()){if(this.graphSettings.config.trace===!1)return;this.manager.poiLabelsLayer.setHoveredPOI(a),this.manager.redrawAllLayers()}s!==this.manager.movablePointsLayer.hoveredPointId&&(this.manager.movablePointsLayer.hoveredPointId=s,this.manager.redrawAllLayers())}}.bind(this))},t.prototype.addTouchEventHandlers=function(){this.$.on("dblclick",function(e){var t=this.getMouseRelativeToGrapher(e),n=this.getToleranceByDevice(e.device);(this.getPOIUnderPoint(t,n)||this.getBranchInfoUnderPoint(t,n))&&(e.preventDefault(),e.handle())}.bind(this)),this.$.css("touch-action","none"),this.$.on("dcg-tapstart",function(e){var t=this.getMouseRelativeToGrapher(e),n=this.getToleranceByDevice(e.device);s();var r=this.getPOIUnderPoint(t,n);if((!r||!r.isMovable()&&!r.isBareLabel())&&this.togglePOIUnderPoint(t,n))return e.handle(),void e.handle("do-not-clear-poi-labels");if(r&&(r.isMovable()&&(this.controller.dispatch({type:"start-moving-point",pointInfo:r.getMovablePoint()}),this.startMovingPoint(r),e.handle()),!r.isBareLabel()))return void e.handle("do-not-clear-poi-labels");var i=this.getBranchInfoUnderPoint(t,n);if(this.graphSettings.config.onlyTraceSelected){if(i&&i.sketch&&i.sketch.selected)return this.startTracingBranch(i,t),e.handle(),void e.handle("do-not-clear-poi-labels")}else if(i){if(this.controller.dispatch({type:"set-selected-id",id:i.id}),this.graphSettings.config.trace===!1)return;return this.startTracingBranch(i,t),e.handle(),void e.handle("do-not-clear-poi-labels")}i||this.getImgUnderMouse(t,n)||this.controller.dispatch({type:"set-none-selected"});var o=this;this.addGlobalMouseListener("dcg-tapmove",function(){o.removeAllGlobalMouseListeners()}),this.addGlobalMouseListener("dcg-tapend dcg-tapcancel",function(e){o.removeAllGlobalMouseListeners();var r=o.getBranchInfoUnderPoint(t,n);if(r&&r.sketch&&!r.sketch.selected)return void this.controller.dispatch({type:"set-selected-id",id:r.id});var i=o.getImgUnderMouse(t,n);return i?void this.controller.dispatch({type:"set-selected-id",id:i.id}):void 0}.bind(this))}.bind(this))},t.prototype.addKeydownEventHandler=function(){this.$.on("keydown",function(e){if(n(document.activeElement).hasClass("dcg-movable-point")){var t=n(document.activeElement).data("movablePoint");if(t){var r=a.lookup(e),i=a.lookupChar(e);"Up"===r||"Down"===r||"Left"===r||"Right"===r?this.movePointFromKeyboard(t,e):"X"!==i&&"Y"!==i&&"L"!==i||this.speakPoint(t,i)}}}.bind(this))},t.prototype.getMouseRelativeToGrapher=function(e){var t=this.$[0].getBoundingClientRect(),n=e.touches?e.touches[0]:e,r=this.manager.appliedScaling,i=isNaN(r.x)?1:r.x,o=isNaN(r.y)?1:r.y,s=(n.clientX-t.left)/i,a=(n.clientY-t.top)/o;return{x:s,y:a}},t.prototype.getElementRelativeToGrapher=function(e){var t=this.pageOffset||this.$.offset(),n=this.manager.appliedScaling,r=isNaN(n.x)?1:n.x,i=isNaN(n.y)?1:n.y,o=e.getBoundingClientRect(),s=(o.left-t.left)/r,a=(o.top-t.top)/i;return{x:s,y:a}},t.prototype._getClosestPoint=function(e,t,n){for(var i=n,o=null,s=this.manager.getProjection(),a=0;a<e.length;a++){var l=e[a],c=s.map_pt(l),u=r.hypot(c.x-t.x,c.y-t.y);u<i&&(i=u,o=l)}return o},t.prototype.getPOIUnderPoint=function(e,t){for(var n=[],r=[],i=[],o={},s=this.manager.__sketchOrder,a=s.length-1;a>=0;a--){var l=s[a];o[l]=a}var c=this.getIndexOfForegroundImageUnderMouse(e,t);return this.manager.poiDotsLayer.getDrawnPOI().forEach(function(e){e.isMovable()?n.push(e):e.isAttachedToPlottedPoint()?(e.sketch.showHighlight||o[e.sketch.id]>c)&&r.push(e):i.push(e)}),this._getClosestPoint(n,e,t)||this._getClosestPoint(i,e,t)||this._getClosestPoint(r,e,t)},t.prototype.clearOpenedPOI=function(){this.manager.poiLabelsLayer.clearOpenedPOI(),this.manager.redrawAllLayers()},t.prototype.togglePOIUnderPoint=function(e,t){if(this.graphSettings.config.trace!==!1){var n=this.getPOIUnderPoint(e,t);return!!n&&(this.manager.poiLabelsLayer.isOpenPOI(n)?(this.manager.poiLabelsLayer.closePOI(n),this.manager.poiLabelsLayer.setHoveredPOI(null)):(this.manager.poiLabelsLayer.openPOI(n),this.speakPoint(n)),this.manager.redrawAllLayers(),!0)}},t.prototype.getIndexOfForegroundImageUnderMouse=function(e,t){var n=this.getImgUnderMouse(e,t);return n&&n.img&&n.img.foreground?n.index:-1},t.prototype.getImgUnderMouse=function(e,t){for(var n=this.manager.getProjection(),r=n.reverse_map_pt(e),i=null,o=function(e,t,n,r){return e<t+.5*Math.abs(n)+r&&e>t-.5*Math.abs(n)+r},s=this.manager.__sketchOrder,a=s.length-1;a>=0;a--){var l=s[a],c=this.manager.graphImages[l];if(c&&c.computed_x&&c.computed_y&&c.computed_width&&c.computed_height&&!c.hidden&&!this.controller.isItemSecret(c.id)&&(c.foreground||!i)){for(var u=!1,d=0;d<c.computed_x.length;d++){var p=c.computed_x[d],h=c.computed_y[d],f=c.computed_radian_angle[d],g=p+Math.cos(f)*(r.x-p)-Math.sin(f)*(r.y-h),m=h+Math.sin(f)*(r.x-p)+Math.cos(f)*(r.y-h);if(o(g,c.computed_x[d],c.computed_width[d],0)&&o(m,c.computed_y[d],c.computed_height[d],0)){u=!0;break}}if(u&&(i={id:l,img:c,index:a},c.foreground))return i}}return i},t.prototype.getBranchInfoUnderPoint=function(e,n){for(var r=null,i=n,o=this.manager.getProjection(),s=o.reverse_map_pt(e),a=this.getIndexOfForegroundImageUnderMouse(e,n),l=this.manager.__sketchOrder,c=l.length-1;c>=0;c--){var u=l[c],d=this.manager.graphSketches[u];if(d&&d.visible){var p=d.branches;if(p&&p.length&&(d.showHighlight||!(c<a)))for(var h=0;h<p.length;h++){var f=t.calculateDistanceFromBranch(p[h],s,o);f<i&&(i=f,r={id:u,branch:h,sketch:d})}}}return r},t.calculateDistanceFromBranch=function(e,n,r){var i=t.getBranchesDistanceInfo(e,n,r);return i?i.minDistance:1/0},t.getBranchesDistanceInfo=function(e,t,n){var i=n.screen.width/(n.viewport.xmax-n.viewport.xmin),s=n.screen.height/(n.viewport.ymax-n.viewport.ymin),a=t.x,l=t.y;switch(e.graphMode){case o.Y:break;case o.X:var c=a;a=l,l=c,c=i,i=s,s=c;break;default:return null}for(var u,d,p=1/0,h=1/0,f=0;f<e.segments.length;f++)for(var g=e.segments[f],m=0;m<g.length-3;m+=2){var y=g[m],v=g[m+1],b=g[m+2],x=g[m+3],w=r.closestPointOnSegment(0,0,(y-a)*i,(v-l)*s,(b-a)*i,(x-l)*s),_=r.hypot(w[0],w[1]);w[0]<0?_<p&&(p=_,u=w):_<h&&(h=_,d=w)}var E=p<h?u:d;if(!E)return null;var S=E[0]/i+a,I=E[1]/s+l;return{closestPoint:{x:e.graphMode===o.Y?S:I,y:e.graphMode===o.Y?I:S},minDistance:Math.min(p,h),secondDistance:Math.max(p,h)}},t.getBranchesTracePoint=function(e,n,r){if(e&&e.compiled&&e.compiled.fn){var s=e.compiled.fn,a=r.screen.width/(r.viewport.xmax-r.viewport.xmin),l=r.screen.height/(r.viewport.ymax-r.viewport.ymin),c=this.getBranchesDistanceInfo(e,n,r);if(!c)return null;var u=c.minDistance/c.secondDistance;u*=u;var d=e.graphMode===o.Y?"x":"y",p=c.closestPoint[d]*(1-u)+n[d]*u,h=1/(2*a),f=1/(2*l),g=s(p-h),m=s(p),y=s(p+h),v=h*Math.min(1,f/Math.abs(g-m)),b=h*Math.min(1,f/Math.abs(y-m));isFinite(v)||(v=h),isFinite(b)||(b=h),p=i.shortestDecimalBetween(p-v,p+b);var x=t.fillHole(s,p,a,l,n.x,n.y);return{x:e.graphMode===o.Y?p:x,y:e.graphMode===o.Y?x:p}}},t.prototype.startMovingPoint=function(e){var t=!1;this.manager.movablePointsLayer.pressedPointId=e.isMovable()?e.getMovablePoint().id:null,this.manager.redrawAllLayers();var n=null,r=function(){if(n){t=!0;var r=this.manager.getProjection(),i=this.getMouseRelativeToGrapher(n);n=null,this.controller.dispatch({type:"on-move-point",pointInfo:e.getMovablePoint(),screenPt:i,projection:r})}}.bind(this);this.manager.registerMovablePointListener(r),this.addGlobalMouseListener("dcg-tapmove",function(e){n=e}),this.addGlobalMouseListener("dcg-tapend dcg-tapcancel",function(n){if(r(),this.manager.deregisterMovablePointListener(),this.removeAllGlobalMouseListeners(),this.manager.movablePointsLayer.pressedPointId=null,this.manager.redrawAllLayers(),this.controller.dispatch({type:"stop-moving-point",pointInfo:e.getMovablePoint()}),!t){var i=this.manager.getProjection(),o=this.getToleranceByDevice(n.device),s=i.map_pt(e);this.togglePOIUnderPoint(s,o)}}.bind(this))},t.prototype.startTracingBranch=function(e,n){this.manager.markLabelsDirty(),this.last_screen_pt=n;var r=this.manager.getProjection(),i=r.reverse_map_pt(n),o=e.sketch,s=o.branches[e.branch],a=t.getBranchesTracePoint(s,i,r);a&&this.speakPoint(a),this.manager.traceLayer.traceInfo={pt:a,branchInfo:e},this.manager.redrawAllLayers(),this.addGlobalMouseListener("dcg-tapmove",this.handleTraceUpdate.bind(this)),this.addGlobalMouseListener("dcg-tapend dcg-tapcancel",this.stopTracingBranch.bind(this))},t.prototype.stopTracingBranch=function(e){this.manager.markLabelsDirty();var t=this.manager.poiLabelsLayer.getHoveredPOI();t&&!this.manager.poiLabelsLayer.isOpenPOI(t)&&(this.manager.poiLabelsLayer.openPOI(t),this.speakPoint(t),this.manager.redrawAllLayers()),this.last_screen_pt=null,this.manager.traceLayer.traceInfo=null,this.manager.redrawAllLayers(),this.removeAllGlobalMouseListeners()},t.prototype.handleTraceUpdate=function(e){if(this.manager.traceLayer.traceInfo){var n,r=this.manager.getProjection();if(e)n=this.getMouseRelativeToGrapher(e),this.last_screen_pt=n,this.manager.markLabelsDirty();else{if(!this.last_screen_pt)return;n=this.last_screen_pt}var i=r.reverse_map_pt(n),o=1/0,s=-1,a=this.manager.traceLayer.traceInfo,l=this.manager.graphSketches[a.branchInfo.sketch.id];if(l){a.branchInfo.sketch=l;for(var c=a.branchInfo.sketch.branches,u=0;u<c.length;u++){var d=t.calculateDistanceFromBranch(c[u],i,r);d<o&&(s=u,o=d)}var p=c[s],h=p?t.getBranchesTracePoint(p,i,r):null;h&&this.speakPoint(h),this.manager.traceLayer.traceInfo.branchInfo.branch=s,this.manager.traceLayer.traceInfo.pt=h,this.manager.redrawAllLayers()}}},t.prototype.speakPoint=function(e){var t=this.manager.getAudioTrace();t&&e&&t.queueCoordinates(e,void 0,!0)},t.fillHole=function(e,t,n,i,o,s){var a=e(t);if(isFinite(a))return a;var l=t-1e-11,c=t+1e-11,u=e(l),d=e(c);if(isNaN(u)&&isNaN(d))return NaN;if(isNaN(u))return d;if(isNaN(d))return u;var p=(o-l)*n,h=(o-c)*n,f=(s-u)*i,g=(s-d)*i;return r.hypot(p,f)<r.hypot(h,g)?u:d},t.prototype.movePointFromKeyboard=function(e,t){if(e&&t){var n,r=this.getElementRelativeToGrapher(t.target),i=0,o=0,s=t.shiftKey?10:2,l=t.shiftKey?"big":"",c=a.lookup(t);if("Up"===c?(n="y",o-=s,l+="up"):"Down"===c?(n="y",o+=s,l+="down"):"Left"===c?(n="x",i-=s,l+="down"):"Right"===c&&(n="x",i+=s,l+="up"),0!==i||0!==o){t.preventDefault(),t.stopPropagation();var u,d={x:r.x+i,y:r.y+o},p=this.manager.getProjection();"x"===n?u=[l,""]:"y"===n&&(u=["",l]),this.controller.dispatch({type:"on-move-point",pointInfo:e,screenPt:d,projection:p,keyboardDirection:u})}}},t.prototype.speakPoint=function(e,t){if(e){var n=this.manager.getProjection();if(n){var r=n.viewport;switch(t){case"X":l.alert("X: "+c.value(e.x,r.xmax-r.xmin).ariaString);break;case"Y":l.alert("Y: "+c.value(e.y,r.ymax-r.ymin).ariaString);break;case"L":l.alert(e.label||this.controller.t("Graph point"))}}}},t}),define("graphing/audiographnavigator",["require","underscore","pjs","lib/aria","graphing/graphmode","./label","i18n","math/poi"],function(e){var t=e("underscore"),n=e("pjs"),r=e("lib/aria"),i=e("graphing/graphmode"),o=e("./label"),s=e("i18n"),a=e("math/poi").default,l=n(function(e){e.init=function(e,t,n){this.grapher=t,this.controller=this.grapher.controller,this.tonegen=n,this.tonegen.audioPointMove=this.drawTrace.bind(this),this.tonegen.audioPointReset=this.resetTracePoint.bind(this),this.audiograph=e,this.reset()},e.reset=function(){this.currentPoint=void 0,this.branch=0,this.sampledPoints=[],this.pois=[],this.independent=0,this.xmid=0,this.xstep=0,this.ymid=0,this.ystep=0},e.t=function(e,t){return s.t(e,t,this.grapher.settings.language)},e.getBranchPoints=function(e){var t=[];if(!isNaN(e)&&e>=0)for(var n=this.getSampledPoints(),r=0;r<n.length;r++){var i=n[r];i.hasOwnProperty("branch")&&i.branch===e&&t.push(i)}return t},e.resetTracePoint=function(){var e=this.getCurrentPoint();this.drawTrace(e)},e.drawTrace=function(e){var t=this.getCurrentSketch();if(e&&t){var n=t.branches[this.branch];if(n){var r=n.graphMode;if(r!==i.XYPOINT){var o={x:e.x,y:e.y};this.grapher.traceLayer.traceInfo={branchInfo:{branch:e.branch,id:t.id,sketch:t},pt:o},this.grapher.redrawAllLayers()}}}},e.moveToOrigin=function(){var e=this.getCurrentSketch();if(e){var t=e.branches[this.branch];if(t){var n=t.graphMode;if(n===i.Y||n===i.POLAR)this.setIndependent("x",0);else if(n===i.X)this.setIndependent("y",0);else if(n===i.XYPOINT){var r=this.getSortedPOI()[0];this.setIndependent("x",r?r.x:0)}}}},e.getCurrentSketch=function(){var e,t=this.controller.getSelectedItem();return t&&(e="table"===t.type&&this.audiograph.focusedCell?this.getGraphSketchForTableCell(t,this.audiograph.focusedCell):this.grapher.getGraphSketch(t.id)),e},e.getFirstTraceableSketch=function(e){for(var t,n=this.controller.getItemCount(),r=0;r<n;r++){var i=this.controller.getItemModelByIndex(r);if(this.canTrace(i)){var o=this.nextTableColumn(i);if(o?(this.audiograph.focusedCell=o,t=this.getSketchForTableCell(i,o)):t=this.grapher.getGraphSketch(i.id),t){e&&e.selectAssociatedExpression&&this.controller.dispatch({type:"set-selected-index",index:r});break}}}return t},e.canTrace=function(e){if(e&&!e.hidden&&e.formula&&!e.formula.error){var t=this.grapher.getGraphSketch(e.id);if(t){var n=t.branches[this.branch];if(!n)return!1;var r=n.graphMode;return r===i.X||r===i.Y||r===i.XYPOINT}}return!1},e.computeStepSizes=function(){var e=this.grapher.getProjection().viewport;if(e){this.viewport=e;var t=e.xmin,n=e.xmax;this.xmid=(t+n)/2,this.xstep=Math.abs(n-t)/100,this.xscale=n-t;var r=e.ymin,o=e.ymax;this.ymid=(r+o)/2,this.ystep=Math.abs(o-r)/100,this.yscale=o-r,this.tonegen.setMinMax(t,n,r,o);var s=this.getCurrentSketch();if(s){var a=s.branches[this.branch];if(a){var l=a.graphMode;if(l===i.Y||l===i.POLAR)this.independent<t?this.independent=t:this.independent>n&&(this.independent=n);else if(l===i.X)this.independent<r?this.independent=r:this.independent>o&&(this.independent=o);else if(l===i.XYPOINT){var c,u;this.independent<t?(u=this.getSortedPOI()[0],this.independent=u?u.x:0):this.independent>n&&(c=this.getSortedPOI(),u=c[c.length-1],this.independent=u?u.x:0)}}}}},e.getPoint=function(e,t){var n,r=this.getCurrentSketch();if(!r)return n;var o,s,a,l,c,u,d=r.branches[e];return d?(d.compiled&&(a=d.compiled.fn),s=d.graphMode,s===i.Y?(o=this.getInterveningPOIs(t,t+this.xstep,e,s)[0],o&&o.x===t&&o.branch===e||(o=void 0,u=a?a(t):0),n=o?{x:o.x,y:o.y,type:o.type,typeChain:o.typeChain,branch:o.branch,graphMode:s,intersects:o.intersects}:{x:t,y:u,branch:e,graphMode:s}):s===i.X?(o=this.getInterveningPOIs(t,t+this.ystep,e,s)[0],o&&o.y===t&&o.branch===e||(o=void 0,u=a?a(t):0),n=o?{x:o.x,y:o.y,type:o.type,typeChain:o.typeChain,branch:o.branch,graphMode:s,intersects:o.intersects}:{y:t,x:u,branch:e,graphMode:s}):s===i.POLAR?(c=t,l=a?a(t):0,n={x:l*Math.cos(c),y:l*Math.sin(c),branch:e,graphMode:s}):s===i.XYPOINT&&(o=this.getInterveningPOIs(t,t+this.xstep,e,s)[0],n=o&&o.x===t&&o.branch===e?{x:o.x,y:o.y,type:o.type,typeChain:o.typeChain,branch:o.branch,graphMode:s,intersects:o.intersects}:{x:t,y:void 0,branch:e,graphMode:s}),n):void 0},e.getSampledPoints=function(){return 0===this.sampledPoints.length&&this.updateSampledPoints(),this.sampledPoints},e.updateSampledPoints=function(){var e=this.getCurrentSketch();if(e){for(var t=[],n=0;n<e.branches.length;n++){var r=e.branches[n];if(r){var s,a,l,c=r.graphMode,u=[];c===i.Y||c===i.XYPOINT||c===i.POLAR?(s=this.viewport.xmin,a=this.viewport.xmax,l=this.xstep):c===i.X&&(s=this.viewport.ymin,a=this.viewport.ymax,l=this.ystep);for(var d=0;o.value(s+d*l).value<=a;d++){var p=o.value(s+d*l).value,h=this.getInterveningPOIs(p,p+l,n,c);h.length>0?u.push.apply(u,h):u.push(this.getPoint(n,p))}t.push.apply(t,this.removeDuplicates(u,c))}}this.sampledPoints=t}},e.getCurrentPoint=function(){return this.currentPoint||this.updateCurrentPoint(),this.currentPoint},e.updateCurrentPoint=function(e){if(e){this.currentPoint=e;var t=e.graphMode;t===i.Y||t===i.XYPOINT||t===i.POLAR?this.independent=e.x:t===i.X&&(this.independent=e.y),this.branch=e.branch}else this.currentPoint=this.getPoint(this.branch,this.independent)},e.prevPoint=function(){this.moveToPoint(-1)},e.nextPoint=function(){this.moveToPoint(1)},e.firstPoint=function(e){var t=this.getSampledPoints();t.length>0&&this.updateCurrentPoint(t[0])},e.lastPoint=function(e){var t=this.getSampledPoints();t.length>0&&this.updateCurrentPoint(t[t.length-1])},e.moveToPoint=function(e){var t=this.getCurrentPoint();if(t){if(t.graphMode===i.XYPOINT)return void this.moveToPOI(e);var n=this.getSampledPoints(),o=this.getPointIndex(n,t);if(o!==-1){var s=o+e;s<=0?(s=0,r.queue(this.t("First point"))):s>=n.length-1&&(s=n.length-1,r.queue(this.t("Last point")));var a=n[s];this.updateCurrentPoint(a)}}},e.prevPOI=function(){this.moveToPOI(-1)},e.nextPOI=function(){this.moveToPOI(1)},e.getSortedPOI=function(){return this.pois&&0!==this.pois.length||this.updatePOI(),this.pois},e.updatePOI=function(){var e,n,r=[],o=this.getCurrentSketch();if(o){for(var s=0;s<o.branches.length;s++){var a=o.branches[s];if(a){var l=a.graphMode;n=[],e=o.getBranchPOI(s),e.length>0&&(l===i.Y||l===i.XYPOINT||l===i.POLAR?n=t.sortBy(e,"x"):l===i.X&&(n=t.sortBy(e,"y")),r.push.apply(r,this.removeDuplicates(n,l)))}}this.pois=r}},e.removeDuplicates=function(e,n){for(var r,i,s,l,c,u,d,p,h,f,g=[],m=0;m<e.length;m++){if(!r){if(r=t.clone(e[m]),!r)continue;r.graphMode=n,s=o.value(r.x).value,l=o.value(r.y).value,c=r.type,u=r.branch,r.typeChain||(r.typeChain=[c])}m+1<e.length&&e[m+1]?(i=e[m+1],d=o.value(i.x).value,p=o.value(i.y).value,h=i.type,f=i.branch):d=p=h=f=void 0,s===d&&l===p&&u===f?r.typeChain.indexOf(h)===-1&&(r.typeChain.push(h),h===a.INTERSECTION&&(r.intersects=r.intersects?r.intersects.push.apply(r.intersects,i.intersects):i.intersects)):(g.push(r),r=void 0)}return g},e.getInterveningPOIs=function(e,t,n,r){for(var o,s=[],a=this.getSortedPOI(),l=0;l<a.length;l++){var c=a[l];c&&(r===i.Y||r===i.XYPOINT||r===i.POLAR?o=c.x:r===i.X&&(o=c.y),c.branch===n&&(e<=o&&o<t||t<=o&&o<e)&&s.push(c))}return e>t?s.reverse():s},e.setIndependent=function(e,t){for(var n=this.getSampledPoints(),r=0;r<n.length;r++){var i=n[r];if(i&&i.hasOwnProperty(e)&&i[e]===t){if("x"===e)return this.independent=i.x,void this.updateCurrentPoint();if("y"===e)return 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r.IS_APPLE?this.masterVolume=1:this.masterVolume=.5,this.setPan(e),this.setFreq(t),this.setOriginCues(n,i,o,t)),this},e.startContinuousPlay=function(){return this.continuousPlay=!0,this},e.play=function(){if(this.pointArray.length>0&&this.pointIndex<this.pointArray.length){var e,t,n,r,s,a=1===this.pointArray.length,l=this.pointArray[this.pointIndex];if(l.graphMode&&l.graphMode!==i.Y&&l.graphMode!==i.POLAR&&l.graphMode!==i.XYPOINT?l.graphMode===i.X&&(t=void 0===l.x||l.x<this.xmin||l.x>this.xmax?-1:Math.abs((l.x-this.xmin+1e-5)/(this.xmax-this.xmin)),e=Math.abs((l.y-this.ymin+1e-5)/(this.ymax-this.ymin)),n=l.y,r=l.x):(e=Math.abs((l.x-this.xmin+1e-5)/(this.xmax-this.xmin)),t=void 0===l.y||l.y<this.ymin||l.y>this.ymax?-1:Math.abs((l.y-this.ymin+1e-5)/(this.ymax-this.ymin)),n=l.x,r=l.y),s=l.typeChain&&l.typeChain.indexOf(o.INTERSECTION)!==-1?o.INTERSECTION:l.type,this.isPlaying?(this.setPan(e),this.setFreq(t),this.setOriginCues(n,r,s,t)):(this.resume(),this.createOscillator(e,t,n,r,s),this.playbackSupported&&(this.oscillator.start(),this.oscillatorHigh.start()),this.isPlaying=!0),this.continuousPlay)return;this.audioPointMove(l),a?(this.gainMaster.gain.value=this.masterVolume,this.playTimeout=setTimeout(this.play.bind(this),50)):this.playTimeout=setTimeout(this.play.bind(this),this.audioSpeed),this.pointIndex++}else this.stop();return this},e.setPan=function(e){return this.playbackSupported&&(isFinite(e)||(e=0),e=Math.max(Math.min(e,1),0),this.gainLeft.gain.value=Math.cos(Math.PI/2*e),this.gainRight.gain.value=Math.sin(Math.PI/2*e)),this},e.setFreq=function(e){if(this.playbackSupported){var t;void 0!==e&&!isNaN(e)&&e>0&&(t=parseInt(this.freqBase*Math.pow(2,e),10),t<this.freqMin&&(t=this.freqMin),t>this.freqMax&&(t=this.freqMax)),t?(this.oscillator.frequency.value=t,this.noiseNode.disconnect(),this.oscillator.connect(this.splitter)):(this.oscillator.disconnect(),this.oscillatorHigh.disconnect(),this.noiseNode.connect(this.splitter))}return this},e.setOriginCues=function(e,t,n,r){return void 0!==e&&!isNaN(e)&&void 0!==t&&!isNaN(t)&&r>0&&(e<0?(this.oscillatorHigh.frequency.value=2*this.oscillator.frequency.value,this.gainOscillatorHigh.connect(this.splitter)):this.gainOscillatorHigh.disconnect(),t<0||r<=0?this.noiseNode.connect(this.splitter):this.noiseNode.disconnect()),isNaN(n)||n!==o.INTERSECTION||this.playPOI(),this},e.stop=function(){return this.playTimeout&&(clearTimeout(this.playTimeout),this.playTimeout=null),this.pointArray.length=0,this.pointIndex=0,this.isPlaying&&(this.playbackSupported&&(this.oscillator&&(this.oscillator.stop(),this.oscillator.disconnect(),this.oscillator=null),this.oscillatorHigh&&(this.oscillatorHigh.stop(),this.oscillatorHigh.disconnect(),this.oscillatorHigh=null),this.noiseNode.disconnect()),this.isPlaying=!1),this.audioPointReset(),this.continuousPlay=!1,this},e.suspend=function(){return this.playbackSupported&&this.audioCtx&&(this.stop(),this.noiseNode&&(this.noiseNode.stop(),this.noiseNode=null),this.audioCtx.suspend()),this},e.resume=function(){if(!this.audioCtx){var e=window.AudioContext||window.webkitAudioContext;if(r.IS_IE)this.playbackSupported=!1,this.audioCtx=null;else try{this.audioCtx=e?new e:void 0,this.playbackSupported=!0}catch(e){n.notify(e),this.playbackSupported=!1,this.audioCtx=null}}return this.playbackSupported&&this.audioCtx&&("suspended"===this.audioCtx.state&&this.audioCtx.resume(),this.createNoiseNode(),this.loadPOI()),this},e.loadPOI=function(){return!this.playbackSupported||this.poiBuffer?this:(this.audioCtx.decodeAudioData(s.slice(0),function(e){this.poiBuffer=e}.bind(this)),this)},e.playPOI=function(){if(!this.playbackSupported||!this.poiBuffer)return this;var e=this.audioCtx.createBufferSource();e.buffer=this.poiBuffer,e.connect(this.splitter),e.start()}});return a}),define("graphing/audiograph",["require","exports","lib/aria","graphing/audiographnavigator","browser","keys","graphing/tonegenerator","tslib","graphing/graphmode","i18n","graphing/label","math/poi","graphing-calc/models/expression","graphing-calc/models/table"],function(e,t,n,r,i,o,s,a,l,c,u,d,p,h){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var f=0,g=function(){function e(e){var t=this;this.__id=f++,this.grapher=e,this.controller=e.controller,this.audioTraceActive=!1,this.wasFocusInExpressionsView=!1,this.focusedCell=void 0,this.sliderTraceActive=!1,this.sliderIndex=0,this.sliderArray=[],this.lastSpokenBranch=0,this.tonegen=s("triangle"),this.tonegen.suspend(),this.agNavigator=new r(this,this.grapher,this.tonegen),this.grapher.$root.on("keydown.audiograph-"+this.__id,function(e){return t.handleKeydown(e)})}return e.prototype.remove=function(){this.grapher.$root.off(".audiograph-"+this.__id)},e.prototype.t=function(e,t){return c.t(e,t,this.grapher.settings.language)},e.prototype.handleKeydown=function(e){var t=e.altKey||e.metaKey,n=e.altKey&&!e.metaKey&&!e.ctrlKey&&!e.shiftKey,r=e.ctrlKey&&!e.metaKey&&!e.altKey,s=i.IS_APPLE?r:t,a=s&&(61===e.which||187===e.which),l=s&&!e.shiftKey&&(173===e.which||189===e.which),c=s&&!e.shiftKey&&"0"===o.lookupChar(e);n&&"S"===o.lookupChar(e)?this.controller.getSelectedItem()&&this.isFocusInExpressionsView()&&(e.preventDefault(),e.stopPropagation(),this.describeGraph()):n&&"T"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.toggleAudioTrace()):a?(e.preventDefault(),e.stopPropagation(),this.zoom("in")):l?(e.preventDefault(),e.stopPropagation(),this.zoom("out")):c?(e.preventDefault(),e.stopPropagation(),this.zoom("default")):this.audioTraceActive&&(this.sliderTraceActive?this.sliderTraceKeydown(e):this.audioTraceKeydown(e))},e.prototype.sliderTraceKeydown=function(e){var t=e.altKey||e.metaKey,n=!t&&!e.ctrlKey&&!e.shiftKey;n&&o.lookup(e)===o.LEFT||"J"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.decrementSliderValue()):n&&o.lookup(e)===o.RIGHT||"L"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.incrementSliderValue()):n&&o.lookup(e)===o.PAGEDOWN?(e.preventDefault(),e.stopPropagation(),this.decrementBigSliderValue()):n&&o.lookup(e)===o.PAGEUP?(e.preventDefault(),e.stopPropagation(),this.incrementBigSliderValue()):t||o.lookup(e)!==o.DOWN&&(e.shiftKey||o.lookup(e)!==o.TAB)&&"K"!==o.lookupChar(e)?!t&&(o.lookup(e)===o.UP||e.shiftKey&&o.lookup(e)===o.TAB||"I"===o.lookupChar(e))?(e.preventDefault(),e.stopPropagation(),this.prevSlider()):n&&o.lookup(e)===o.HOME||"U"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.sliderMin()):n&&o.lookup(e)===o.END||"N"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.sliderMax()):n&&"P"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.toggleSliderAnimation()):(this.stopAnimations(),this.audioTraceKeydown(e)):(e.preventDefault(),e.stopPropagation(),this.nextSlider())},e.prototype.audioTraceKeydown=function(e){var t=this,r=e.altKey||e.metaKey,i=r&&!e.ctrlKey&&!e.shiftKey,s=!r&&!e.ctrlKey&&!e.shiftKey;if(o.lookup(e)===o.UP&&i)e.preventDefault(),e.stopPropagation(),this.agNavigator.prevCurve();else if(o.lookup(e)===o.DOWN&&i)e.preventDefault(),e.stopPropagation(),this.agNavigator.nextCurve();else if(s&&o.lookup(e)===o.LEFT||o.lookup(e)===o.UP||"J"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.agNavigator.prevPoint(),this.reportAudioTrace();else if(s&&o.lookup(e)===o.RIGHT||o.lookup(e)===o.DOWN||"L"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.agNavigator.nextPoint(),this.reportAudioTrace();else if(r||o.lookup(e)!==o.PAGEDOWN&&(e.shiftKey||o.lookup(e)!==o.TAB)&&"I"!==o.lookupChar(e))if(!r&&(o.lookup(e)===o.PAGEUP||e.shiftKey&&o.lookup(e)===o.TAB||"K"===o.lookupChar(e)))e.preventDefault(),e.stopPropagation(),this.agNavigator.prevPOI(),this.reportAudioTrace();else if(s&&o.lookup(e)===o.HOME||"U"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.agNavigator.firstPoint(),this.reportAudioTrace();else if(s&&o.lookup(e)===o.END||"N"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.agNavigator.lastPoint(),this.reportAudioTrace();else if(s&&"X"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.reportAudioTrace("x");else if(s&&"P"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.queuePOICount(),n.alert();else if(s&&"Y"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.reportAudioTrace("y");else if(s&&"T"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.reportAudioTrace("type");else if(s&&"B"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.reportAudioTrace("branch");else if(s&&"O"===o.lookupChar(e))e.preventDefault(),e.stopPropagation(),this.agNavigator.moveToOrigin(),this.reportAudioTrace();else if(s&&"H"===o.lookupChar(e))if(e.preventDefault(),e.stopPropagation(),this.tonegen.playbackSupported){this.tonegen.stop();var a=this.agNavigator.getSampledPoints();a.length>0?(n.alert(this.t("Playing graph.")),this.tonegen.queueArray(a),setTimeout(function(){return t.tonegen.play()},500)):n.alert(this.t("Graph is empty."))}else n.alert(this.t("Unable to play audio."));else if(s&&o.lookupChar(e)>="0"&&o.lookupChar(e)<="9"){e.preventDefault(),e.stopPropagation(),this.tonegen.stop();var l=this.agNavigator.getCurrentSketch();if(l){var c=void 0;if(c=48===e.which?9:e.which-49,c<l.branches.length)if(this.tonegen.playbackSupported){var u=this.agNavigator.getBranchPoints(c);0===u.length?n.alert(this.t("Branch __branch__ is empty.",{branch:c+1})):(n.alert(this.t("Branch __branch__",{branch:c+1})),this.tonegen.queueArray(u),setTimeout(function(){return t.tonegen.play()},500))}else n.alert(this.t("Unable to play audio."));else n.alert(this.t("Branch __branch__ does not exist.",{branch:c+1}))}else n.alert(this.t("No graph selected."))}else r&&o.lookupChar(e)>="1"&&o.lookupChar(e)<="5"?(e.preventDefault(),e.stopPropagation(),this.adjustPlaybackSpeed(o.lookupChar(e))):s&&"A"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.queueAnimatingPoints(!0),n.alert()):s&&"S"===o.lookupChar(e)?(e.preventDefault(),e.stopPropagation(),this.toggleSliderTrace()):s&&this.exitAudioTrace();else e.preventDefault(),e.stopPropagation(),this.agNavigator.nextPOI(),this.reportAudioTrace()},e.prototype.describeGraph=function(){var e=this.agNavigator.getCurrentSketch();if(e){var t=e.branches.length;t>1&&n.queue(this.t("Branches: __branches__.",{branches:t}));var r=this.agNavigator.getSortedPOI();if(n.queue(this.t("Points of interest: __poiCount__.",{poiCount:r.length})),r.length>0)for(var i=0;i<r.length;i++)this.queueCoordinates(r[i])}else n.queue(this.t("No graph information available."));n.alert()},e.prototype.queueCoordinates=function(e,t,r){if(void 0===r&&(r=!1),e){var i=this.agNavigator.getCurrentSketch();(e.hasOwnProperty("branch")&&i&&i.branches.length>1&&this.lastSpokenBranch!==e.branch||"branch"===t)&&n.queue(this.t("Branch __branch__.",{branch:e.branch+1})),this.lastSpokenBranch=e.branch,e.hasOwnProperty("type")&&!t?n.queue(this.t("__type__ at",{type:this.describePOI(e)})):"type"===t&&n.queue(this.describePOI(e)),t&&"x"!==t||n.queue(this.t("X: __x__.",{x:u.value(e.x,this.agNavigator.xscale).ariaString})),t&&"y"!==t||n.queue(this.t("Y: __y__.",{y:u.value(e.y,this.agNavigator.yscale).ariaString})),r&&n.alert()}},e.prototype.describePOI=function(e){if(e.typeChain){for(var t=[],n=0;n<e.typeChain.length;n++)t.push(this.poiTypeToText(e,n));return t.join(", ")}return this.poiTypeToText(e)},e.prototype.poiTypeToText=function(e,t){var n=t?e.typeChain[t]:e.type;switch(n){case d.default.INTERSECTION:var r=this.getIntersectingCurves(e);return""!==r?this.t("Intersection with __curves__",{curves:r}):this.t("Intersection");case d.default.ZERO:return this.t("Zero");case d.default.INTERCEPT:return this.t("Intercept");case d.default.EXTREMUM:return this.t("Extremum");case d.default.EDGE:return this.t("Edge");case d.default.DEFINITION:return this.t("Point");case d.default.TRACE:return this.t("Trace");case d.default.LABEL:return this.t("Label");default:return this.t("Not a P O I")}},e.prototype.getIntersectingCurves=function(e){return e&&e.intersects?this.getExpressionAriaLabel(e.intersects):""},e.prototype.getExpressionAriaLabel=function(e){var t=this.controller.getItemModel(e);if(t)return"expression"===t.type&&t.label?t.label:this.controller.isItemSecret(t.id)?this.t("Secret expression __index__",{index:t.secretIndex}):"table"===t.type&&this.focusedCell?this.t("Expression __index__ column __column__",{index:t.displayIndex,column:this.focusedCell.location.column+1}):this.t("Expression __index__",{index:t.displayIndex})},e.prototype.exitAudioTrace=function(e){if(this.audioTraceActive){if(this.audioTraceActive=!1,e||(e=this.t("Audio trace off.")),this.controller.dispatch({type:"toast/close"}),this.wasFocusInExpressionsView){var t=this.controller.getSelectedItem();t&&this.controller.isItemSelectable(t.id)||(t=this.controller.getFirstFullyVisibleItem()),t&&this.controller.isItemSelectable(t.id)&&this.controller.dispatch({type:"move-focus-to-item",id:t.id,where:"table"===t.type&&void 0!==this.focusedCell?a.__assign({location:"cell"},this.focusedCell.location):"end"})}this.wasFocusInExpressionsView=!1,this.stopAnimations(),this.sliderTraceActive=!1,this.sliderIndex=0,this.tonegen.stop(),this.tonegen.suspend(),this.agNavigator.reset(),this.lastSpokenBranch=0,this.grapher.traceLayer.traceInfo=null,this.grapher.redrawAllLayers(),n.alert(e),this.resumeAnimations()}},e.prototype.isFocusInExpressionsView=function(){return!!this.controller.getFocusedItem()},e.prototype.enterAudioTrace=function(){var e=this,t=!1;this.audioTraceActive||(this.wasFocusInExpressionsView=this.isFocusInExpressionsView(),t=!this.wasFocusInExpressionsView);var r;if(t)r=this.agNavigator.getFirstTraceableSketch({selectAssociatedExpression:!0});else{var o=this.controller.getSelectedItem();if(o&&"expression"===o.type&&o.formula&&o.formula.error)return this.exitAudioTrace(),this.controller.dispatch({type:"toast/show",toast:{message:this.t("No graph to trace.")}});if(o&&"table"===o.type){var s=h.getSelectedCell(o);this.focusedCell&&this.focusedCell.tableId===o.id||(this.focusedCell=void 0!==s?{tableId:o.id,location:s}:void 0)}else this.focusedCell=void 0;r=this.agNavigator.getCurrentSketch()}if(!r)return this.agNavigator.reset(),this.lastSpokenBranch=0,this.exitAudioTrace(),this.controller.dispatch({type:"toast/show",toast:{message:this.t("No graph to trace.")}});var a=r.branches[0].graphMode;return a===l.IMPLICIT?(this.exitAudioTrace(),this.controller.dispatch({type:"toast/show",toast:{message:this.t("Sorry, but I can't trace implicit curves yet.")}})):a===l.PARAMETRIC?(this.exitAudioTrace(),this.controller.dispatch({type:"toast/show",toast:{message:this.t("Sorry, but I can't trace parametric curves yet.")}})):(this.agNavigator.reset(),this.agNavigator.computeStepSizes(),this.lastSpokenBranch=0,this.audioTraceActive||(this.grapher.poiLabelsLayer.clearOpenedPOI(),this.grapher.redrawAllLayers(),this.wasFocusInExpressionsView&&this.grapher.$root.find(".dcg-audio-trace-placeholder").focus(),this.controller.dispatch({type:"toast/show",toast:{message:this.t("Audio trace on."),noAria:!0,onHide:function(){return e.exitAudioTrace()},hideAfter:0}}),n.queue(this.t("Audio trace on.")),this.pauseAnimations(),this.queueAnimatingPoints(!1),n.queue(this.t("Use Arrow keys to navigate.")),this.tonegen.resume(),this.tonegen.playbackSupported&&n.queue(this.t("To hear the graph, press H.")),i.IS_APPLE?n.queue(this.t("For a summary of points, press OPTION+S. To disable audio trace, press OPTION+T.")):n.queue(this.t("For a summary of points, press ALT+S. To disable audio trace, press ALT+T.")),this.agNavigator.moveToOrigin(),this.reportAudioTrace(),n.alert()),void(this.audioTraceActive=!0))},e.prototype.checkIfSelectedItemChanged=function(e){this.lastSelectedId!==e&&(this.lastSelectedId=e,this.audioTraceActive&&(e?(n.queue(this.getExpressionAriaLabel(e)),this.exitSliderTrace(),this.agNavigator.updatePOI(),this.agNavigator.moveToOrigin(),this.reportAudioTrace(),n.alert()):this.exitAudioTrace()))},e.prototype.pauseAnimations=function(){var e=this;this.sliderArray.length=0;var t=this.controller.getAllModelsWithSliders();t.forEach(function(t){t.slider.isPlaying&&(e.controller.dispatch({type:"set-slider-isplaying",id:t.id,isPlaying:!1}),e.sliderArray.push(t))})},e.prototype.resumeAnimations=function(){if(0!==this.sliderArray.length){for(var e=0;e<this.sliderArray.length;e++){var t=this.sliderArray[e];t.slider.isPlaying!==!0&&this.controller.dispatch({type:"set-slider-isplaying",id:t.id,isPlaying:!0})}this.sliderArray.length=0}},e.prototype.stopAnimations=function(){var e=this,t=this.controller.getAllModelsWithSliders();t.forEach(function(t){t.slider.isPlaying&&e.controller.dispatch({type:"set-slider-isplaying",id:t.id,isPlaying:!1})})},e.prototype.getAnimatingVars=function(){for(var e=[],t=0;t<this.sliderArray.length;t++)e.push('"'+this.sliderArray[t].dependent+'"');return e},e.prototype.hasActiveSliders=function(){for(var e=this.controller.getAllModelsWithSliders(),t=0;t<e.length;t++)if(e[t].slider.isPlaying)return!0;return!1},e.prototype.queueAnimatingPoints=function(e){var t=this.getAnimatingVars();0!==t.length?n.queue(this.t("Animating __vars__.",{vars:t.join(", ")})):e&&n.queue(this.t("No animations."))},e.prototype.queueSliderLatex=function(){this.hasActiveSliders()||this.tonegen.stop();var e=this.getSelectedSlider();e?n.queue(e.latex):n.queue(this.t("Unable to determine slider value"))},e.prototype.getSelectedSlider=function(){var e=this.controller.getAllModelsWithSliders();return this.sliderIndex<=e.length-1?e[this.sliderIndex]:null},e.prototype.incrementSliderValue=function(){this.adjustSlider("up")},e.prototype.decrementSliderValue=function(){this.adjustSlider("down")},e.prototype.incrementBigSliderValue=function(){this.adjustSlider("bigup")},e.prototype.decrementBigSliderValue=function(){this.adjustSlider("bigdown")},e.prototype.nextSlider=function(){this.adjustSlider("next")},e.prototype.prevSlider=function(){this.adjustSlider("prev")},e.prototype.sliderMin=function(){this.adjustSlider("min")},e.prototype.sliderMax=function(){this.adjustSlider("max")},e.prototype.toggleSliderAnimation=function(){this.adjustSlider("animation")},e.prototype.adjustSlider=function(e){var t=this.getSelectedSlider();if(!t)return void n.queue(this.t("Unable to adjust slider"));var r=t.sliderValue,i=this.controller.getAllModelsWithSliders().length;switch(e){case"up":case"down":case"bigup":case"bigdown":case"min":case"max":var o=p.computeSliderAdjustment(t,e),s=p.computeNewSliderLatex(t.latex,o);this.controller.dispatch({type:"set-item-latex",id:t.id,latex:s}),this.queueSliderLatex(),n.alert();break;case"next":return this.sliderIndex++,this.sliderIndex>=i&&(n.queue(this.t("Last slider.")),this.sliderIndex=i-1),this.queueSliderLatex(),void n.alert();case"prev":return this.sliderIndex--,this.sliderIndex<0&&(n.queue(this.t("First slider.")),this.sliderIndex=0),this.queueSliderLatex(),void n.alert();case"animation":return this.controller.dispatch({type:"set-slider-isplaying",id:t.id,isPlaying:!t.slider.isPlaying}),t.slider.isPlaying?n.queue(this.t("__variable__ playing.",{variable:t.dependent})):(n.queue(this.t("__variable__ paused.",{variable:t.dependent})),this.queueSliderLatex()),void n.alert()}t.slider.isPlaying||r===t.sliderValue||(this.queueSliderLatex(),n.alert())},e.prototype.toggleAudioTrace=function(){this.audioTraceActive?this.exitAudioTrace():this.enterAudioTrace()},e.prototype.toggleSliderTrace=function(){this.sliderTraceActive?this.exitSliderTrace():this.enterSliderTrace()},e.prototype.enterSliderTrace=function(){if(!this.sliderTraceActive){this.sliderIndex=0;var e=this.controller.getAllModelsWithSliders().length;0!==e?(n.queue(this.t("Slider trace on.")),this.queueSliderLatex(),this.sliderTraceActive=!0):(n.queue(this.t("No sliders to trace.")),this.sliderTraceActive=!1),n.alert()}},e.prototype.exitSliderTrace=function(){this.sliderTraceActive&&(n.queue(this.t("Slider trace off.")),this.sliderTraceActive=!1,this.sliderIndex=0,n.alert())},e.prototype.recomputePoints=function(){if(this.audioTraceActive){this.agNavigator.updatePOI(),this.agNavigator.updateSampledPoints(),this.agNavigator.updateCurrentPoint(),this.agNavigator.resetTracePoint();var e=this.hasActiveSliders();if(e){var t=this.agNavigator.getCurrentPoint();this.tonegen.startContinuousPlay().queuePoint(t).play()}else this.agNavigator.resetTracePoint(),this.agNavigator.computeStepSizes()}},e.prototype.queuePOICount=function(){var e=this.agNavigator.getCurrentSketch(),t=e?e.getPOI().length:0;n.queue(this.t("Points of interest, __x__.",{x:t}))},e.prototype.reportAudioTrace=function(e,t){var r=this.agNavigator.getCurrentPoint();if(e||(t||this.tonegen.stop(),this.tonegen.queuePoint(r).play()),!t){this.queueCoordinates(r,e);var i=e?0:100;setTimeout(function(){n.alert()},i)}},e.prototype.adjustPlaybackSpeed=function(e){switch(e){case"1":return this.tonegen.audioSpeed=150,n.alert(this.t("Graph playback very slow"));case"2":return this.tonegen.audioSpeed=100,n.alert(this.t("Graph playback slow"));case"3":return this.tonegen.audioSpeed=50,n.alert(this.t("Graph playback normal"));case"4":return this.tonegen.audioSpeed=30,n.alert(this.t("Graph playback fast"));case"5":return this.tonegen.audioSpeed=16,n.alert(this.t("Graph playback very fast"));default:return this.tonegen.audioSpeed=50,n.alert(this.t("Graph playback normal"))}},e.prototype.zoom=function(e){var t=this.grapher.viewportController;t.zoom(e)},e}();t.default=g}),define("graphing/grapher",["require","jquery","underscore","./viewport","./screen","main/graph_settings","./canvaslayer","./poidotslayer","./poilabelslayer","./gridlayer","./graphsketch","./graphslayer","./imagelayer","./projection","./movablepointslayer","./viewportcontroller","./poicontroller","lib/animation-frame","underscore_model","./graph-defaults","lib/default-spec","./audiograph","lib/deepCopy"],function(e){function t(){return new a(1024,768)}function n(){return new s(-10,10,-10,10)}function r(e,r,s,a,l){this.container=e,this.$=i(e),this.$root=s,this.evaluator=l,this.controller=a,this.settings=r,this.appliedScaling={};var h=t(),x=n().squareYAxis(h);this.setUserRequestedViewport(x),this.__projection=new m(h,x,r);var _=this;this.markLabelsDirty=o.debounce(function(){_.evaluator.notifyWhenSynced(function(){_.__isRedrawingSlowly?_.notifyAfterRedraw(function(){_.poiLabelsLayer.markLabelsDirty(),_.redrawAllLayers()}):(_.poiLabelsLayer.markLabelsDirty(),_.redrawAllLayers())})},300),this.poiController=new b(this,r),this.viewportController=v(this,this.controller),this.showPOIDots=!0,this.$.css("overflow","hidden"),this.graphSketches={},this.graphImages={},this.canvasLayer=c(this),this.$.append(this.canvasLayer.$),this.imageLayer=g(),this.gridLayer=p(),this.poiDotsLayer=u(),this.graphsLayer=f(this.settings),this.movablePointsLayer=y(this.$root,this.settings),this.movablePointsLayer.$.css("z-index","0"),this.$.append(this.movablePointsLayer.$),this.poiLabelsLayer=d(this.$root,this.settings),this.traceLayer=this.poiLabelsLayer,this.traceLayer.$.css("z-index","0"),this.$.append(this.traceLayer.$),this.scaleAxis=void 0,this.__transient=!1,this.__sketchOrder=[],this.selectedId=null,this.__redrawRequested=!1,this.__redrawSlowlyIndex=0,this.__isRedrawingSlowly=!1,this.domObstructions=[],this.events=w(),this.audioGraph=new S(this)}var i=e("jquery"),o=e("underscore"),s=e("./viewport"),a=e("./screen"),l=e("main/graph_settings"),c=e("./canvaslayer"),u=e("./poidotslayer"),d=e("./poilabelslayer"),p=e("./gridlayer"),h=e("./graphsketch"),f=e("./graphslayer"),g=e("./imagelayer"),m=e("./projection"),y=e("./movablepointslayer"),v=e("./viewportcontroller"),b=e("./poicontroller"),x=e("lib/animation-frame"),w=e("underscore_model"),_=e("./graph-defaults"),E=e("lib/default-spec"),S=e("./audiograph").default,I=e("lib/deepCopy").default;return r.prototype.remove=function(){this.$.remove(),this.poiController.remove(),this.viewportController.remove(),this.audioGraph.remove()},r.prototype.tick=function(e){this.__isRedrawingSlowly?this._redrawSlowly():this.__redrawRequested&&this._redrawAllLayers(),this.__movablePointListener&&this.__movablePointListener()},r.prototype.registerMovablePointListener=function(e){this.__movablePointListener=e},r.prototype.deregisterMovablePointListener=function(){this.__movablePointListener=null},r.prototype.setSketchOrder=function(e){o.isEqual(this.__sketchOrder,e)||(this.__sketchOrder=e,this.redrawAllLayers())},r.prototype.clear=function(){this.graphSketches={},this.graphImages={}},r.prototype.getGraphSketch=function(e){return e in this.graphSketches?this.graphSketches[e]:null},r.prototype.addGraphSketch=function(e){this.graphSketches[e.id]=e},r.prototype.removeGraphSketch=function(e){delete this.graphSketches[e]},r.prototype.addGraphImage=function(e){e.imageObj.width&&e.imageObj.height?(this.graphImages[e.id]=e,this.redrawAllLayers()):i(e.imageObj).on("load.calc_load",function(){this.addGraphImage(e)}.bind(this))},r.prototype.removeGraphImage=function(e){var t=this.graphImages[e];t&&i(t.imageObj).off("load.calc_load"),delete this.graphImages[e],this.redrawAllLayers()},r.prototype.getProjection=function(){return this.__projection},r.prototype._setProjection=function(e){this.__projection=e,this.redrawAllLayers()},r.prototype.getAudioTrace=function(){return this.audioGraph},r.prototype.getDefaultViewport=function(){var e=this.getProjection();return n().squareYAxis(e.screen)},r.prototype._updateScreenSize=function(e,t){if(!(e<=0||t<=0)){var n=this.getProjection(),r=n.screen;if(r.width!==e||r.height!==t){this.$.width(e);var i=new a(e,t);this.viewportController.setScreen(i)}}},r.prototype._setIsVisible=function(e){e!==this.isVisible&&(this.isVisible=e,e?this.redrawAllLayers():this.canvasLayer.resize(0,0))},r.prototype.update=function(){var e=this.controller.computeMajorLayout().grapher;e.width>0&&e.height>0?(this._setIsVisible(!0),this._updateScreenSize(e.width,e.height),this.$.css({position:"absolute",left:e.left+"px",top:e.top+"px",width:e.width+"px",height:e.height+"px"})):this._setIsVisible(!1)},r.prototype.hide=function(e){var t=this.getGraphSketch(e);t&&(t.visible=!1)},r.prototype.select=function(e){var t=this.getGraphSketch(this.selectedId);t&&(t.selected=t.showPOI=t.showHighlight=!1);var n=this.getGraphSketch(e);n&&(n.selected=n.showPOI=n.showHighlight=!0),this.selectedId=e},r.prototype.updateSketch=function(e,t){var n=this.getGraphSketch(e);if(!t.length)return this.hide(e);var r=new h(e,t);r.color=t[0].color,r.style=t[0].style,r.updateFrom(n),r.selected=r.showPOI=r.showHighlight=String(e)===String(this.selectedId),this.addGraphSketch(r)},r.prototype.updateIntersections=function(e,t){var n=this.getGraphSketch(e);n&&n.updateIntersections(t)},r.prototype.redrawAllLayers=function(){this.cancelRedrawSlowly(),this.__redrawRequested=!0},r.prototype._clear=function(){var e=this.getProjection(),t=e.screen;this.canvasLayer.resize(e.screen.width,e.screen.height),this.canvasLayer.ctx.clearRect(0,0,t.width,t.height)},r.prototype._redrawAllLayers=function(){this.isVisible&&(this._clear(),this._redrawImageLayer(),this._redrawGridLayer(),this._redrawGraphsLayer(),this._redrawPointsAndLabels(),this._updateCanvasLayerAria(),this.audioGraph.recomputePoints(),this.__redrawRequested=!1,this.events.triggerEvent("redraw"))},r.prototype.cancelRedrawSlowly=function(){this.__isRedrawingSlowly&&(this.__redrawSlowlyIndex=0,this.__isRedrawingSlowly=!1,this.redrawAllLayers())},r.prototype.redrawSlowly=function(){this.__isRedrawingSlowly||(this.__redrawSlowlyIndex=0,this.__isRedrawingSlowly=!0,this.audioGraph.recomputePoints())},r.prototype._redrawSlowly=function(){var e=this.__redrawSlowlyIndex;if(0===e&&(this._clear(),this._redrawGridLayer()),e>=this.__sketchOrder.length)return void this.cancelRedrawSlowly();var t=this.__sketchOrder[e],n={},r={};n[t]=this.graphSketches[t],r[t]=this.graphImages[t],(r[t]||n[t])&&this.graphsLayer.redrawToCtx(this.canvasLayer.ctx,this.getProjection(),n,r,[t]),this.__redrawSlowlyIndex+=1},r.prototype._redrawGridLayer=function(){this.gridLayer.redrawToCtx(this.canvasLayer.ctx,this.getProjection(),this.scaleAxis)},r.prototype._redrawGraphsLayer=function(){this.graphsLayer.redrawToCtx(this.canvasLayer.ctx,this.getProjection(),this.graphSketches,this.graphImages,this.__sketchOrder)},r.prototype._updateCanvasLayerAria=function(){this.canvasLayer.updateAria(this.isVisible,Object.keys(this.graphSketches).length)},r.prototype._redrawPointsAndLabels=function(){this.movablePointsLayer.redraw(this.getProjection(),this.graphSketches),this.showPOIDots&&this.poiDotsLayer.redrawToCtx(this.canvasLayer.ctx,this.getProjection(),this.graphSketches);var e,t=[],n=this.poiLabelsLayer.$[0].getBoundingClientRect(),r=this.movablePointsLayer.renderedMovablePoints;for(var i in r){var s=r[i].$.find(".dcg-background")[0];e=s.getBoundingClientRect(),t.push({left:e.left-n.left,top:e.top-n.top,right:e.right-n.left,bottom:e.bottom-n.top})}o.each([this.$root.find(".dcg-overgraph-pillbox-elements")[0],this.$root.find(".dcg-graphpaper-branding")[0]],function(r){r&&(e=r.getBoundingClientRect(),t.push({left:e.left-n.left,top:e.top-n.top,right:e.right-n.left,bottom:e.bottom-n.top}))}.bind(this)),this.poiLabelsLayer.redraw(this.getProjection(),this.graphSketches,this.canvasLayer.ctx,t)},r.prototype._redrawImageLayer=function(){this.imageLayer.redrawToCtx(this.canvasLayer.ctx,this.getProjection(),this.graphImages,this.__sketchOrder)},r.prototype._parseScreenshotOpts=function(e){var t,n,r,i,o,s=this.getProjection();return e?(t=e.width||e.height||s.screen.width,n=e.height||e.width||s.screen.height,r=e.targetPixelRatio||1,i=(e.width<256||e.height<256)&&!e.preserveAxisNumbers,o=l.fromObject(this.settings||this.settings)):(t=s.screen.width,n=s.screen.height,r=1,i=!1,o=l.fromObject(this.settings)),i&&(o.setProperty("xAxisNumbers",!1),o.setProperty("yAxisNumbers",!1),o.setProperty("polarNumbers",!1)),{width:t,height:n,targetPixelRatio:r,settings:o}},r.prototype.screenshot=function(e){var t=this._parseScreenshotOpts(e),n=document.createElement("canvas");return n.width=t.width*t.targetPixelRatio,n.height=t.height*t.targetPixelRatio,this.screenshotToCanvas(n,e),n.toDataURL("image/png")},r.prototype.getImageData=function(e,t,n,r){return this.canvasLayer.ctx.getImageData(e,t,n,r)},r.prototype.screenshotToCanvas=function(e,t){t=this._parseScreenshotOpts(t);var n=t.width,r=t.height,i=t.targetPixelRatio,o=t.settings;o.takingScreenshot=!0;var s=e.getContext("2d");s.scale(i,i);var l=new a(n,r),c=this.getProjection().viewport;this.getSetting("squareAxes")&&(c=c.squareCrop(l));var u=new m(l,c,o);s.fillStyle="white",s.fillRect(0,0,l.width,l.height),this.imageLayer.redrawToCtx(s,u,this.graphImages,this.__sketchOrder),this.gridLayer.redrawToCtx(s,u),this.graphsLayer.redrawToCtx(s,u,this.graphSketches,this.graphImages,this.__sketchOrder)},r.prototype.thumbnail=r.prototype.screenshot,r.prototype.getSetting=function(e,t){var n=this.settings.getProperty(e);return void 0!==n?n:t},r.prototype.getState=function(e){var t={},n=this;return this.settings.stateProperties.forEach(function(e){t[e]=n.getSetting(e)}),t.viewport=this.getCurrentViewport(),e.stripDefaults&&(t=E.stripDefaults(_,t)),t},r.prototype.getUndoRedoState=function(){var e={},t=this;return this.settings.stateProperties.forEach(function(n){e[n]=t.getSetting(n)}),e.viewport=this.getUserRequestedViewport(),e},r.prototype.notifyAfterRedraw=function(e){if(this.__isRedrawingSlowly)x.requestAnimationFrame(this.notifyAfterRedraw.bind(this,e));else if(this.__redrawRequested){this.notifyAfterRedraw_i?this.notifyAfterRedraw_i++:this.notifyAfterRedraw_i=1;var t="redraw.notifyAfterRedraw"+this.notifyAfterRedraw_i;this.events.observeEvent(t,function(){this.events.unobserveEvent(t),e()}.bind(this))}else e()},r.prototype.getUserRequestedViewport=function(){return this._lastUserRequestedViewport},r.prototype.getCurrentViewport=function(){return this.viewportController.getViewport().toObject()},r.prototype.setUserRequestedViewport=function(e){this._lastUserRequestedViewportUpdateToken||(this._lastUserRequestedViewportUpdateToken=0),
this._lastUserRequestedViewportUpdateToken+=1,this._lastUserRequestedViewport=I(e)},r.prototype.debounceUserRequestedViewportChange=function(){if(!this.__debouncedViewportCommit){var e=1e3;this.__debouncedViewportCommit=o.debounce(function(e,t){this.isDragging||this._lastUserRequestedViewportUpdateToken===t&&this.controller.dispatch({type:"commit-user-requested-viewport",viewport:e})}.bind(this),e)}var t=this.getCurrentViewport();this.__debouncedViewportCommit(t,this._lastUserRequestedViewportUpdateToken)},r.prototype.setGrapherState=function(e,t){e=E.populateDefaults(_,e),t&&t.doNotClear||this.clear();for(var n in _)_.hasOwnProperty(n)&&this.settings.setProperty(n,e[n]);if("viewport"in e){var r=s.fromObject(e.viewport);this.setUserRequestedViewport(r);var i=this.getProjection().screen;this.getSetting("squareAxes")&&!r.isSquare(i)&&(r=r.squareYAxis(i)),this.viewportController.setViewport(r)}this.redrawAllLayers()},r}),define("math/conics",["require","numeric","math/distance"],function(e){var t=e("numeric"),n=e("math/distance"),r={isLine:function(e,r,i,o,s,a){var l=t.svd([[e,r,1],[i,o,1],[s,a,1]]).S;return n.approx(l[l.length-1]/l[0],0)},isCircle:function(e,r,i,o,s,a,l,c){var u=t.svd([[e*e+r*r,e,r,1],[i*i+o*o,i,o,1],[s*s+a*a,s,a,1],[l*l+c*c,l,c,1]]).S;return n.approx(u[u.length-1]/u[0],0)},isConic:function(e,r,i,o,s,a,l,c,u,d,p,h){var f=t.svd([[e*e,r*r,2*e*r,e,r,1],[i*i,o*o,2*i*o,i,o,1],[s*s,a*a,2*s*a,s,a,1],[l*l,c*c,2*l*c,l,c,1],[u*u,d*d,2*u*d,u,d,1],[p*p,h*h,2*p*h,p,h,1]]).S;return n.approx(f[f.length-1]/f[0],0)},conicQuadraticParameters:function(e,n,r,i,o,s,a,l,c,u){return{a:t.det([[n*n,2*e*n,e,n,1],[i*i,2*r*i,r,i,1],[s*s,2*o*s,o,s,1],[l*l,2*a*l,a,l,1],[u*u,2*c*u,c,u,1]]),b:t.det([[e*e,n*n,e,n,1],[r*r,i*i,r,i,1],[o*o,s*s,o,s,1],[a*a,l*l,a,l,1],[c*c,u*u,c,u,1]]),c:-t.det([[e*e,2*e*n,e,n,1],[r*r,2*r*i,r,i,1],[o*o,2*o*s,o,s,1],[a*a,2*a*l,a,l,1],[c*c,2*c*u,c,u,1]])}},classifyConic:function(e,i,o,s,a,l,c,u,d,p,h,f){if(r.isLine(e,i,a,l,h,f))return"line";if(r.isCircle(e,i,o,s,d,p,h,f))return"circle";if(!r.isConic(e,i,o,s,a,l,c,u,d,p,h,f))return"none";var g=r.conicQuadraticParameters(e,i,o,s,a,l,c,u,d,p),m=t.svd([[g.a,g.b],[g.b,g.c]]).S;return n.approx(m[m.length-1]/m[0],0,20)?"parabola":g.b*g.b>g.a*g.c?"hyperbola":"ellipse"},classifyBranchConic:function(e){var t,n;if(1===e.length&&4===e[0].length)return"line";for(var i=0;i<e.length;i++){var o=e[i],s=o.length;if(s<12)return"unknown";try{n=r.classifyConic(o[0],o[1],o[2*Math.floor(1*s/12)],o[2*Math.floor(1*s/12)+1],o[2*Math.floor(2*s/12)],o[2*Math.floor(2*s/12)+1],o[2*Math.floor(3*s/12)],o[2*Math.floor(3*s/12)+1],o[2*Math.floor(4*s/12)],o[2*Math.floor(4*s/12)+1],o[s-2],o[s-1])}catch(e){return"unknown"}if("none"===n)return"none";if(t&&n!==t)return"none";t=n}return t}};return r}),define("predicates/common",["require","parser","math/conics","graphing-calc/models/expression","graphing-calc/models/list"],function(e){var t=e("parser"),n=e("math/conics"),r=e("graphing-calc/models/expression"),i=e("graphing-calc/models/list");return{FOCUSED_EXP:function(e,t){return i.isItemSelected(e)&&"expression"===e.type},FOCUSED_OR_EMPTY_EXP:function(e,t){return!(!i.isItemSelected(e)||"expression"!==e.type)||"expression"===e.type&&r.isEmpty(e)},COMPLEX_EXP:function(e,t){return e.isGraphable&&"expression"===e.type&&t&&t.branches[0]&&"line"!==n.classifyBranchConic(t.branches[0].segments)},TABLEABLE_EXP:function(e,t){return e.isGraphable&&e.isTableable},EXP:function(e,t){return"expression"===e.type},GRAPHABLE_EXP:function(e,t){return e.isGraphable},HAS_ERROR:function(e,t){return e.error&&("expression"!==e.type||!r.isEmpty(e))},DEPENDS_ON:function(e){return function(n,r){if(!n.latex)return!1;var i=t.parse(n.latex);return i.getDependencies().indexOf(e)>=0}},DEFINES:function(e){return function(n,r){if(!n.latex)return!1;var i=t.parse(n.latex);return i.getExports().indexOf(e)>=0}},HAS_N_DEPENDENCIES:function(e){return function(t,n){return"expression"===t.type&&t.formula&&t.formula.variables&&t.formula.variables.length>=e}},NONCONSTANT_LINE:function(e,t){return t&&"line"===n.classifyBranchConic(t.branches[0].segments)&&!isFinite(e.formula.constant_value)},RESTRICTED_LINE:function(e,t){return this.NONCONSTANT_LINE(e,t)&&this.RESTRICTED(e,t)},EXP_NOT_RESTRICTED_LINE:function(e,t){return this.EXP(e,t)&&!this.RESTRICTED_LINE(e,t)},PARABOLA:function(e,t){return t&&t.branches&&t.branches.some(function(e){return"parabola"===n.classifyBranchConic(e.segments)})},RESTRICTED:function(e,t){return!(!e||!e.latex)&&!!e.latex.match(/\\left\\{(.+)\\right\\}/)},SHIFTED_PARABOLA:function(e,t){if(!this.PARABOLA(e,t))return!1;var n=t.branches[0].compiled.fn;return 0!==n(0)||1!==n(1)},EVALUATION:function(e,t){return e.formula&&e.formula.is_evaluable&&isFinite(e.formula.constant_value)},HAS_DEPENDENT_Y:function(e,t){return"y"===e.formula.assignment},SLIDER:function(e,t){return!!e.sliderExists&&!e.isGraphable},ANIMATING_SLIDER:function(e,t){return e.sliderExists&&e.slider.isPlaying},SLID_SLIDER:function(e,t){return e.sliderExists&&!e.isGraphable&&1!==e.sliderValue},TABLE:function(e,t){return"table"===e.type},REGRESSION:function(e,t){return e.formula&&e.formula.regression},HAS_DATA_COLUMN:function(e,t){if(!this.TABLE(e,t))return!1;for(var n=1;n<e.columnModels.length;n++)if(e.columnModels[n].discrete)return!0;return!1},HAS_FUNCTION_COLUMN:function(e,t){if(!this.TABLE(e,t))return!1;for(var n=1;n<e.columnModels.length;n++)if(e.columnModels[n].discrete===!1)return!0;return!1}}}),define("tours/base_tour",["require","pjs","jquery","underscore","../predicates/common"],function(e){var t=e("pjs"),n=e("jquery"),r=e("underscore"),i=e("../predicates/common");return t(function(e){e.init=function(e){this.Calc=e,this.controller=this.Calc.controller},e.expressionsVisible=function(){return this.controller.isListVisible()},e.t=function(e,t){return this.controller.t(e,t)},e.requireExpressionsVisible=function(){return{position:"e",content:this.t("Click to show the list of expressions."),sel:n(".dcg-action-showexpressions"),delayBeforeEnter:400,delayBeforeExit:400}},e.resourcesOpen=function(){return n("body").hasClass("resources-open")},e.requireResourcesNotOpen=function(){return{position:"e",content:this.t("Click to return to this graph."),sel:n(".dcg-action-opendrawer"),delayBeforeEnter:400,delayBeforeExit:400}},e.editListMode=function(){return this.controller.isInEditListMode()},e.requireNotEditListMode=function(){return{position:"s",content:this.t("Click to return to your expressions."),sel:n(".dcg-action-toggle-edit")}},e.expressionCount=function(){return this.controller.getItemCount()},e.getExpSketch=function(e){var t=this.Calc.grapher.graphSketches[e.id];if(!t||t.visible)return t},e.getAvailableExp=function(e){var t=this.getMatchingExpSelector(i.FOCUSED_OR_EMPTY_EXP,e);return t?t:".dcg-new-math-div"},e.expList=function(){return n(this.Calc.rootElt).find(".dcg-exppanel")},e.getSelectorById=function(e){return this.controller.getItemSelectorById(e)},e.getModelById=function(e){return this.controller.getItemModel(e)},e.expMatches=function(e,t){if(!e)return!1;if("function"==typeof t)return t.call(i,e,this.getExpSketch(e));for(var n=0;n<t.length;n++)if(!t[n].call(i,e,this.getExpSketch(e)))return!1;return!0},e.getMatchingExpId=function(e,t){var n=this.controller.getSelectedItem();if(t=r.filter(t,function(e){return"string"==typeof e||"number"==typeof e}),this.expMatches(n,e)&&t.indexOf(n.id)===-1)return n.id;var i=this.controller.getAllItemModels();i=r.filter(i,function(e){var n=e.folderId&&this.getModelById(e.folderId);return!(n&&n.collapsed||t.indexOf(e.id)!==-1)}.bind(this));for(var o=0;o<i.length;o++)if(n=i[o],this.expMatches(n,e))return n.id;return null},e.getMatchingExpSelector=function(e,t){var n=this.getMatchingExpId(e,t);return n?this.getSelectorById(n):n},e.getMatchingExpModel=function(e,t){var n=this.getMatchingExpId(e,t);return n?this.getModelById(n):n}})}),define("tours/mathart",["require","underscore","jquery","pjs","./base_tour","predicates/common"],function(e){var t=e("underscore"),n=e("jquery"),r=e("pjs"),i=e("./base_tour"),o=e("predicates/common");return{mathart_intro:r(i,function(e){e.restrictedLineTour=function(){if(this.resourcesOpen())return this.requireResourcesNotOpen();if(!this.expressionsVisible())return this.requireExpressionsVisible();var e=this.getMatchingExpSelector(o.RESTRICTED_LINE),t=this.getMatchingExpSelector(o.EXP_NOT_RESTRICTED_LINE);if(e)return t?(this.phaseOn++,this.update()):{position:"e",content:"<b>Brilliant!</b><br>Click here to create a new expression",sel:".dcg-new-math-div"};var n=this.getMatchingExpId(o.EXP),r=this.getSelectorById(n),i=this.getModelById(n);if(r){var s=this.expMatches(i,o.NONCONSTANT_LINE),a=this.expMatches(i,o.HAS_ERROR);return a?{doNotUpdate:!0}:s?{position:"e",content:["<b>Awesome!</b><br>","Restrict the domain of this line by making it!<br>",'<span class="trip-math">y=2x\\left\\{1 < x < 2\\right\\}</span><br>',"<i>Hint: press the 'A B C' button on the keypad to find the { } buttons</i>"].join(""),sel:r}:{position:"e",content:["<b>Let's get started!</b><br>",'Try graphing a straight line, like <span class="trip-math">y=2x</span>'].join(""),sel:r}}return{position:"e",content:"Click here to make a new blank expression",sel:".dcg-new-math-div"}},e.restrictedParabolaTour=function(){if(this.resourcesOpen())return this.requireResourcesNotOpen();if(!this.expressionsVisible())return this.requireExpressionsVisible();var e=this.getMatchingExpSelector([o.RESTRICTED,o.PARABOLA]);if(e)return this.phaseOn++,this.update();var t=this.getMatchingExpId(o.EXP_NOT_RESTRICTED_LINE),n=this.getSelectorById(t),r=this.getModelById(t);if(n){var i=this.expMatches(r,[o.PARABOLA,o.HAS_DEPENDENT_Y]),s=this.expMatches(r,o.SHIFTED_PARABOLA),a=this.expMatches(r,o.PARABOLA),l=this.expMatches(r,o.HAS_ERROR);return l?{doNotUpdate:!0}:a?i?s?{position:"e",content:["<b>Nice!</b><br>Now let's restrict the range. Change this to:<br>",'<span class="trip-math">y=x^2-2\\left\\{y<4\\right\\}</span>'].join(""),sel:n}:{position:"e",content:["<b>Move the parabola.</b><br>",'Change this equation to <span class="trip-math">y=x^2-2</span>'].join(""),sel:n}:{position:"e",content:['<b>Don\'t forget the "y="!</b><br>','Try typing all of <span class="trip-math">y=x^2</span>'].join(""),sel:n}:{position:"e",content:['Now graph: <span class="trip-math">y=x^2</span><br>',"<i>Hint: you can type y=x^2,"," or use the a<sup>2</sup> button on the keypad below</i>"].join(""),sel:n}}return{position:"e",content:"Click here to make a new blank expression",sel:".dcg-new-math-div"}},e.colorWasChanged=!1,e.changeColorTour=function(){if(this.resourcesOpen())return this.requireResourcesNotOpen();if(!this.expressionsVisible())return this.requireExpressionsVisible();var e=this;if(t.each(this.controller.getAllItemModels(),function(t){t.unobserve("color.tour"),t.observe("color.tour",function(){e.colorWasChanged=!0})}),this.colorWasChanged)return n(".dcg-options-menu").length?{position:"e",content:"... and click anywhere to close the color menu.",sel:".dcg-exppanel"}:{final:!0,position:"e",endingMsg:"Great job! Now to complete your mission: make a face. Good luck!",sel:".dcg-exppanel"};if(n(".dcg-options-menu").length)return{position:"e",content:"<b>Last step...</b><br>Change the color!",sel:".dcg-options-menu"};var r=this.getMatchingExpSelector(o.GRAPHABLE_EXP),i=this.getMatchingExpSelector(o.EXP);return r?{position:"e",content:"<b>Great!</b><br>Click and hold to open the secret drawing menu.",sel:r.find(".dcg-graph-icon")}:{position:"e",content:'<b>Oops...</b><br>Make this graphable by typing <span class="trip-math">y=x</span>',sel:i}},e.phaseOn=0,e.phases=[e.restrictedLineTour,e.restrictedParabolaTour,e.changeColorTour],e.update=function(){return this.phases[this.phaseOn].call(this)}})}}),define("scroll_helpers",["require"],function(e){var t=function(e,t,n){var r,i=t.height(),o=e.height(),s=t[0].scrollTop,a=e.offset().top+s-t.offset().top,l=a-n,c=o+a+n-i;return r=l>=c?Math.min(Math.max(s,c),l):.5*(l+c),r!==s&&(t[0].scrollTop=r,t[0].scrollTop!=s)};return{scrollVisible:t}}),define("tours/trip",["require","jquery","pjs","mathquill","scroll_helpers"],function(e){var t=e("jquery"),n=e("pjs"),r=e("mathquill"),i=e("scroll_helpers"),o=n({init:function(e){this.settings=e,this.__cachedStepName=null},ensureTripBlock:function(){if(!this.$tripBlock){var e=['<div class="trip-block">','<div class="trip-interior">','<a class="trip-close">&times;</a>','<div class="trip-content"></div>',"</div>",'<div class="trip-arrow"></div>',"</div>"].join(""),n=this,r=this.$tripBlock=t(e);r.css({top:"-100px"}),t("body").append(r),r.find(".trip-close").on("dcg-tap",function(e){e.preventDefault(),n.stop()}),this.bindKeyEvents()}},cleanup:function(){return this.unbindKeyEvents(),this.hideTripBlock(),!1},bindKeyEvents:function(){var e=this;t(document).on({"keydown.Trip":function(t){e.keyEvent.call(e,t)}})},unbindKeyEvents:function(){t(document).off("keydown.Trip")},keyEvent:function(e){27===e.which&&this.stop()},stop:function(){this.hideTripBlock(),this.settings.onTripStop(),this.__cachedContent=null,this.__cachedSel=null},showTripBlock:function(e){if(this.ensureTripBlock(),"string"==typeof e.sel&&(e.sel=t(e.sel)),e.sel=e.sel.filter(":visible"),e.content!==this.__cachedContent||e.sel[0]!==this.__cachedSel){this.__cachedContent=e.content,this.__cachedSel=e.sel[0],e.scrollContainer&&i.scrollVisible(e.sel,e.scrollContainer,0);var n=this.$tripBlock;n.find(".trip-content").html(e.content),n.toggleClass("trip-hidden",!!e.hidden);var o=e.sel,s=o.outerWidth(),a=o.outerHeight(),l=n.outerWidth(),c=n.outerHeight(),u=10,d=10;n.removeClass("trip-e trip-s trip-w trip-n");var p=0;switch(e.position){case"e":n.addClass("trip-e"),n.css({left:o.offset().left+s+d,top:o.offset().top-(c-a)/2});break;case"s":n.addClass("trip-s");var h=o.offset().left+(s-l)/2;n.css({left:h,top:o.offset().top+a+u}),h+l>t(window).width()-1&&(p=t(window).width()-1-h-l),h<1&&(p=1-h);break;case"w":n.addClass("trip-w"),n.css({left:o.offset().left-(d+l),top:o.offset().top-(c-a)/2});break;default:n.addClass("trip-n"),n.css({left:o.offset().left+(s-l)/2,top:o.offset().top-u-c})}n.find(".trip-interior").css("transform","translate("+p+"px, 0)"),n.css({display:"inline-block"}),n.find(".trip-math:not(.dcg-mq-math-mode)").each(function(){r.StaticMath(this)})}},fadeInTripBlock:function(){this.ensureTripBlock();var e=this.$tripBlock;setTimeout(function(){e.addClass("trip-is-loaded")},0)},hideTripBlock:function(){this.$tripBlock&&this.$tripBlock.removeClass("trip-is-loaded")}});return o}),define("tours/tour_manager",["require","pjs","./trip"],function(e){var t=e("pjs"),n=e("./trip"),r=t(function(e,t){e.init=function(){this.tripManager=new n({onTripStop:this.stopTour.bind(this)}),this.currentStep=void 0,this.currentTour=void 0},e._tripLoop=function(){if(clearTimeout(this.__tripLoopTimeout),this.running){var e=this;e._advanceTrip(),e.__tripLoopTimeout=setTimeout(e._tripLoop.bind(e),200)}},e._advanceTrip=function(){var e=this.currentTour.update(),t=(new Date).getTime();if(e&&this.currentStep&&e.content!==this.currentStep.content){if(this.currentStep.delayBeforeExit){if(this.throttleTimer&&t-this.throttleTimer<this.currentStep.delayBeforeExit)return;if(!this.throttleTimer)return void(this.throttleTimer=t)}e.delayBeforeEnter&&(this.currentStep=e,this.throttleTimer=t)}if(!(e&&this.currentStep&&e.content===this.currentStep.content&&this.throttleTimer&&t-this.throttleTimer<this.currentStep.delayBeforeEnter)&&(this.throttleTimer=null,e&&!e.doNotUpdate)){if(this.currentStep=e,e.final)return void 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e.slider)e.slider.hasOwnProperty(t)&&u.hasOwnProperty(t)&&(e[u[t]]=e.slider[t]);if(e.label&&!a.isMathLabel(e.label)){var r=s.parse(e.label),d="";l.each(r.parts,function(e){d+="object"==typeof e&&e.str?e.str.substr(1):e}),e.label=d}delete e.slider,e.hasOwnProperty("style")||(e.pointStyle===i.POINT&&e.lineStyle!==i.SOLID?e.style=e.lineStyle:e.lineStyle===i.SOLID&&e.pointStyle!==i.POINT?e.style=e.pointStyle:e.style=i.SOLID)}else if("image"===e.type){if(e.center){var p=n.parse(e.center);"OrderedPair"===p.type&&(e.x=p.args[0]._inputString,e.y=p.args[1]._inputString),delete e.center}}else"table"===e.type&&e.columns.forEach(function(e){e.hasOwnProperty("style")||(e.style=i.SOLID),e.points&&e.lines?e.columnMode=o.POINTS_AND_LINES:e.lines?e.columnMode=o.LINES:e.columnMode=o.POINTS});e.folderId&&(c[e.folderId].memberIds[e.id]=!0),delete e.folderId}),t}Object.defineProperty(t,"__esModule",{value:!0});var u={min:"sliderMin",max:"sliderMax",step:"sliderInterval",hardMin:"sliderHardMin",hardMax:"sliderHardMax",animationPeriod:"sliderAnimationPeriod",loopMode:"sliderLoopMode",playDirection:"sliderPlayDirection",isPlaying:"sliderIsPlaying"};t.default=c}),define("main/layout-model",["require","exports","browser"],function(e,t,n){"use strict";function r(e){return{keypadMinimized:!n.IS_TOUCH_DEVICE,keypadLayout:"mainNumbers",keypadFunctionsTab:"trig",keypadFunctionsOpen:!1,graphSettingsOpen:!1,addExpressionOpen:!1,expressionsVisible:!!e.expressions,inEditListMode:!1}}Object.defineProperty(t,"__esModule",{value:!0}),t.defaultLayoutModel=r}),define("main/settings-view-model",["require","exports","tslib","graphing/label"],function(e,t,n,r){"use strict";function i(e,t){var n=r.value(e,t),i="";if(n.mantissa)i=n.mantissa.split("×").join("\\cdot")+"^{"+n.superscript+"}";else{var 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u(e,t,r){if(r.tableInfo){l.setSelected(t,void 0);var i=e.getItemModel(r.tableInfo.tableId);if(!i||"table"!==i.type)return;a.setIsDraggingOnGrapher(i,!0)}else{var o=e.getItemModel(r.sketch.id);if(!o||"expression"!==o.type&&"image"!==o.type)return;if("image"!==o.type&&l.setSelected(t,void 0),!o.formula||!o.formula.move_strategy)return;for(var u=o.formula.move_strategy,d=0;d<u.length;d++)if("updateCoordinate"===u[d].type)"image"===o.type?c.setIsDraggingOnGrapher(o,!0):"expression"===o.type&&s.setIsDraggingOnGrapher(o,!0);else if("updateSlider"===u[d].type){var p=e.getItemModel(u[d].id);if(!p||"expression"!==p.type)continue;var h;if(h="expression"===o.type?o.reconciledDragMode:void 0,h===n.NONE||0===d&&h===n.Y||1===d&&h===n.X)continue;s.setSliderDragging(p,!0)}}}function d(e,t){if(t.tableInfo){var n=e.getItemModel(t.tableInfo.tableId);if(!n||"table"!==n.type)return;return void a.setIsDraggingOnGrapher(n,!1)}var r=e.getItemModel(t.sketch.id);if(r&&("expression"===r.type||"image"===r.type)&&r.formula&&r.formula.move_strategy)for(var i=r.formula.move_strategy,o=0;o<i.length;o++)if("image"===r.type?c.setIsDraggingOnGrapher(r,!1):"expression"===r.type&&s.setIsDraggingOnGrapher(r,!1),"updateSlider"===i[o].type){var l=e.getItemModel(i[o].id);l&&"expression"===l.type&&s.setSliderDragging(l,!1)}}function p(e,t,n,i){var s=t.tableInfo.tableId,l=t.tableInfo.rowIndex,c=t.tableInfo.columnId,u=t.tableInfo.dragX,d=t.tableInfo.dragY,p=e.getItemModel(s);if(p&&"table"===p.type&&a.getColumnModel(p,c)){var f=i.closestPointOnScreen(n),g=i.pixelsToMath.mapRect(h(f,.5)),m={x:r.default(o.shortestDecimalBetween(g.left,g.right)),y:r.default(o.shortestDecimalBetween(g.top,g.bottom))};if(u&&a.setCellLatex(p,{row:l+1,column:0},m.x),d){var y=a.getColumnModel(p,c).index;a.setCellLatex(p,{row:l+1,column:y},m.y)}}}function h(e,t){return{left:e.x-t,right:e.x+t,top:e.y+t,bottom:e.y-t}}function f(e,t,n){var s;s=e.assignment?i.identifierToLatex(e.assignment)+"=":"";var a=o.shortestDecimalBetween(t[0].min,t[0].max),l=o.shortestDecimalBetween(t[1].min,t[1].max),c="updateCoordinate"===e.move_strategy[0].type&&g(0,n),u="updateCoordinate"===e.move_strategy[1].type&&g(1,n),d=c?r.default(a):e.move_strategy[0].inputString,p=u?r.default(l):e.move_strategy[1].inputString;return s+"\\left("+d+","+p+"\\right)"}function g(e,t){switch(t){case n.X:return 0===e;case n.Y:return 1===e;case n.XY:return!0;default:return!1}}function m(e,t,n){if(0===n[0]&&0===n[1])return{x:t.x,y:t.y,width:e.width,height:e.height};var r=Math.cos(e.radianAngle),i=Math.sin(e.radianAngle),o=t.x-e.x,s=t.y-e.y;if(0===n[0])return{x:e.x,y:e.y,width:e.width,height:2*n[1]*(r*s+i*o)};if(0===n[1])return{x:e.x,y:e.y,width:2*n[0]*(r*o-i*s),height:e.height};var a=2*(e.width*n[0]*(r*o-i*s)+e.height*n[1]*(i*o+r*s))/(e.width*e.width+e.height*e.height);return{x:e.x,y:e.y,width:a*e.width,height:a*e.height}}function y(e,t,n){for(var r=[{x:t.left,y:t.bottom},{x:t.left,y:t.top},{x:t.right,y:t.top},{x:t.right,y:t.bottom}],i=["x","y","width","height"],o={x:1/0,y:1/0,width:1/0,height:1/0},s={x:-(1/0),y:-(1/0),width:-(1/0),height:-(1/0)},a=0;a<r.length;a++)for(var l=m(e,r[a],n),c=0;c<i.length;c++){var u=i[c];o[u]=Math.min(o[u],l[u]),s[u]=Math.max(s[u],l[u])}return{min:o,max:s}}function v(e,t,n,i,s){var a=t.formula;if(!a||!a.move_strategy)return!1;var l=a.dimensions,u=n.scaleFactor,d=0!==u[0]&&0!==u[1],p=s.closestPointOnScreen(i),f=s.pixelsToMath.mapRect(h(p,d?.05:.5)),g=y(l,f,u),m=s.mathToPixels.mapRect({left:l.x-.5*l.width,right:l.x+.5*l.width,top:l.y-.5*l.height,bottom:l.y+.5*l.height}),v=Math.abs(m.right-m.left),b=Math.abs(m.bottom-m.top),w=s.mathToPixels.mapRect({left:g.min.x-.5*g.min.width,right:g.min.x+.5*g.min.width,top:g.min.y-.5*g.min.height,bottom:g.min.y+.5*g.min.height}),_=Math.abs(w.right-w.left),E=Math.abs(w.bottom-w.top);if(_<v&&_<1||E<b&&E<1)return!1;for(var 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You passed "+this.children.length);if(this._viewFunction=this.children[0],this._viewFunction&&this._viewFunction._isDCGElement)throw new Error("<Switch> expects a function that constructs a DCGElement. You passed a DCGElement directly");if("function"!=typeof this._viewFunction){var e=JSON.stringify(this._viewFunction);throw new Error("<Switch> expects a function that constructs a DCGElement. You passed "+e)}if(n.isConst(this._viewFunction))throw new Error("<Switch> expects a function that constructs a DCGElement. 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r=parseInt(s(e).attr("tipsy-offset"),10);return isNaN(r)||(t.offset=r),t},s.fn.tipsy.autoNS=function(){return s(this).offset().top>s(document).scrollTop()+s(window).height()/2?"s":"n"},s.fn.tipsy.autoWE=function(){return s(this).offset().left>s(document).scrollLeft()+s(window).width()/2?"e":"w"},s.fn.tipsy.autoBounds=function(e,t){return function(){var n={ns:t[0],ew:t.length>1&&t[1]},r=s(document).scrollTop()+e,i=s(document).scrollLeft()+e,o=s(this);return o.offset().top<r&&(n.ns="n"),o.offset().left<i&&(n.ew="w"),s(window).width()+s(document).scrollLeft()-o.offset().left<e&&(n.ew="e"),s(window).height()+s(document).scrollTop()-o.offset().top<e&&(n.ns="s"),n.ns+(n.ew?n.ew:"")}},s(document).tipsy({title:"tooltip",wait:0,live:!0,delegate:".tipsy-sticky",gravity:"nw",sticky:!0,fade:!1});var u=0;return{isDisabled:r,removeDisableLock:i,addDisableLock:o}}),define("expressions/dragdrop_expressions",["require","exports","tipsy","tslib","jquery","expressions/measure-expressions","lib/animation-frame","jquery.handleevent"],function(e,t,n,r,i,o,s){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(e){this.active=!1,this.controller=e;var t=e.getRootElt();if(t){var n=o.getExppanelSelector(t);n&&(this.$exppanel=n)}}return e.prototype.startDragging=function(e){this.active=!0,this.mouseY=e,this.setupEventListeners(),n.addDisableLock()},e.prototype.applyDrag=function(){var e=this.controller.getListModel(),t=e.dragState;if(t){this.scheduleUpdateScroll();var n=this.measureDOM(t);if(n){var i=n.floatingPreviewRect,o=this.controller.getItemModel(t.firstItemId);if(o){for(var s=o.index,a=0,l=n.visibleRects;a<l.length;a++){var c=l[a],u=c.id,d=c.rect;if(u!==o.id){var p=this.controller.getItemModel(u);if(!p)return;var h=p.index<o.index;if(h){if(i.top<d.top+d.height/2){s=p.index;break}}else i.bottom>d.top+d.height/2&&(s=p.index,"folder"===p.type&&p.collapsed&&(s+=this.controller.getNumberOfItemsInFolder(p.id)))}}var f,g;s>o.index?(f=s,g=s+1):s<o.index?(f=s-1,g=s):(f=s-1,g=s+1);var m=this.controller.getItemModelByIndex(f),y=this.controller.getItemModelByIndex(g),v="",b="";m&&(v="folder"===m.type?m.id:m.folderId),y&&(b="folder"===y.type?y.id:y.folderId);var x="";return v&&(b===v?"folder"===o.type?s=o.index:x=v:"folder"!==o.type&&this.isPreviewTopContainedInFolder(n,v)&&(x=v)),{dragState:r.__assign({},n.dragState),newIndex:s,folderId:x}}}}},e.prototype.measureDOM=function(e){var t=o.getExppanelScrolledTop(this.controller),n=o.getExpListHeight(this.controller);if(void 0!==t&&void 0!==n){var i=o.getDragContainerHeight(this.controller),s=e.mouseY-e.grabOffset+2,a=s-t;a=Math.max(a,-i/2),a=Math.min(a,n-i);var l={top:s,bottom:s+i,height:i},c=this.controller.findFirstPartiallyVisibleItem(),u=this.controller.findLastPartiallyVisibleItem();if(c&&u){for(var d=[],p=c.index;p<=u.index;p++){var h=this.controller.getItemModelByIndex(p);if(h){var f=this.controller.getItemRootNodeById(h.id);if(f&&h.id!==e.firstItemId){var g=f.getBoundingClientRect();d.push({id:h.id,rect:g})}}}if(0!==d.length)return{dragState:r.__assign({},e,{itemTop:a}),floatingPreviewRect:l,visibleRects:d}}}},e.prototype.isPreviewTopContainedInFolder=function(e,t){for(var n=e.visibleRects,r=e.floatingPreviewRect,i=0,o=n;i<o.length;i++){var s=o[i],a=s.id,l=s.rect;if(l.top<=r.top&&l.bottom>=r.top){var c=this.controller.getItemModel(a);if(!c)return!1;if("folder"===c.type&&c.id===t)return!0;if(c.folderId===t)return!0}}return!1},e.prototype.scheduleUpdateScroll=function(){var e=this;this.updateScrollScheduled||(this.updateScrollScheduled=!0,s.requestAnimationFrame(function(){e.updateScroll(),e.updateScrollScheduled=!1}))},e.prototype.stop=function(){this.active=!1,this.tearDownEventListeners(),n.removeDisableLock(),this.controller.dispatch({type:"stop-dragdrop"})},e.prototype.setupEventListeners=function(){var e=this;i(document).on("dcg-tapmove.dragdrop",function(t){e.mouseY=t.changedTouches[0].clientY,e.controller.dispatch({type:"update-dragdrop",mouseY:e.mouseY})}),i(document).on("dcg-tapend.dragdrop",function(t){e.stop(),t.handle("dragdrop")})},e.prototype.tearDownEventListeners=function(){i(document).off(".dragdrop")},e.prototype.updateScroll=function(){if(this.active){var e=this.$exppanel[0].getBoundingClientRect(),t=0;t=Math.min(t,this.mouseY-e.top),t=Math.max(t,this.mouseY-e.bottom+30),t=t*e.height/900,t&&this.$exppanel.scrollTop(this.$exppanel.scrollTop()+t)}},e}();t.default=a}),define("keypad/mq-commands",["require","exports"],function(e,t){"use strict";function n(e,t){r[t](e)}Object.defineProperty(t,"__esModule",{value:!0});var r={loga:function(e){e.write("\\log_{}"),e.typedText("("),e.keystroke("Left"),e.keystroke("Down")},nthroot:function(e){e.write("\\sqrt[]{}"),e.keystroke("Left"),e.keystroke("Left")},ddx:function(e){e.write("\\frac{d}{dx}")},arcsin:function(e){e.write("sin^{-1}"),e.typedText("(")},arccos:function(e){e.write("cos^{-1}"),e.typedText("(")},arctan:function(e){e.write("tan^{-1}"),e.typedText("(")},arcsec:function(e){e.write("sec^{-1}"),e.typedText("(")},arccsc:function(e){e.write("csc^{-1}"),e.typedText("(")},arccot:function(e){e.write("cot^{-1}"),e.typedText("(")},"A^T":function(e){e.typedText("^T"),e.keystroke("Right")},"A^-1":function(e){e.typedText("^-1"),e.keystroke("Right")},"A^2":function(e){e.typedText("^2"),e.keystroke("Right")},"a^2":function(e){e.typedText("^2"),e.keystroke("Right")},"a^3":function(e){e.typedText("^3"),e.keystroke("Right")}};t.execute=n}),define("main/controller",["require","exports","browser","graphing/viewport","main/migrate_state","main/data_helpers","scroll_helpers","main/propagate_selection","tslib","config","graphing/label","underscore","i18n","flux","graphing/dragmode","expressions/styles","expressions/opacity","lib/conditional_blur","lib/deepCopy","lib/number-to-latex","lib/state-stack","graphing-calc/models/expression","graphing-calc/models/table","graphing-calc/models/image","graphing-calc/models/folder","graphing-calc/models/text","graphing-calc/models/list","graphing-calc/models/abstract-item","graphing-calc/models/focus","graphing-calc/actions/keyboard","migrations/6to5","lib/evaluate-single-expression","./layout-model","./settings-view-model","jquery","bugsnag","expressions/list_move_controller","./blank_state","dcgview-helpers/mathquill-view","expressions/measure-expressions","expressions/dragdrop_expressions","keypad/mq-commands"],function(e,t,n,r,i,o,s,a,l,c,u,d,p,h,f,g,m,y,v,b,x,w,_,E,S,I,M,k,C,P,A,T,L,O,D,q,F,N,R,j,B,V){"use strict";function U(e){return e?l.__assign({},e,{wasCompleteSetState:void 0,layoutModel:void 0,settingsViewModel:void 0}):e}function G(e,t){return d.isEqual(U(e),U(t))}Object.defineProperty(t,"__esModule",{value:!0});var z=function(){function e(e){var t=this;this.__nextItemId=0,this.__pendingImageUploads={},this.nextSubscription=0,this.subscriptions={},this._queuedCallbacks=[],this._hasUnsavedChanges=!1,this.shouldScrollSelectedItemIntoViewAfterDispatch=!1,this.lastParsableObjects={},this.toastData={},this.t=function(e,n){var r=t.graphSettings.language;return p.t(e,n,r)},this.unpack=function(e){var n=t.graphSettings.language;return p.unpack(e,n)},this.dispatch=function(e){if("blur-focus-location"===e.type&&t.dispatcher.isDispatching())return void t.runAfterDispatch(function(){t.dispatch(e)});q.leaveBreadcrumb("dispatch::"+t.bugsnagContext,{type:e.type}),t.dispatcher.dispatch(e),t.onEventsEmitted&&t.onEventsEmitted(t.enqueuedEvents);for(var n;n=t._queuedCallbacks.shift();)n()},this.emitUpdateRequests=function(){for(var e in t.subscriptions)t.subscriptions[e]()},this.bugsnagContext="",this.inPrintMode=!1,this.stateStack=new x.default,this.isCurrentlyDoingSetState=!1,this.graphSettings=e,this.listModel=M.init(this),this.layoutModel=L.defaultLayoutModel(this.graphSettings.config),this.layoutMeasurements={width:0,height:0},this.settingsViewModel=O.defaultSettingsViewModel(),this.addExpressionViewModel={focusOnOpen:!1},this.imageRetryState={lastAttemptTime:0,attempts:0},this.setupDispatcher()}return e.prototype.hasUnsavedChanges=function(){return this._hasUnsavedChanges},e.prototype.hasVisibleAndUndoableToast=function(){return"function"==typeof this.toastData.undoCallback},e.prototype.getToastData=function(){return this.toastData},e.prototype.toastUndo=function(){"function"==typeof this.toastData.undoCallback&&(this.toastData.undoCallback(),this.dispatch({type:"toast/close"}))},e.prototype.runAfterDispatch=function(e){this.dispatcher.isDispatching()?this._queuedCallbacks.push(e):e()},e.prototype.enqueueEvent=function(e){this.enqueuedEvents[e]=!0},e.prototype.setupDispatcher=function(){var e=this;this.dispatcher=new h.Dispatcher,this.dispatcher.register(function(t){var n=e.getSelectedItem(),r=e.getFocusLocation();e.shouldScrollSelectedItemIntoViewAfterDispatch=!1,e.enqueuedEvents={change:!1,graphReset:!1,clearUnsavedChanges:!1,openDrawer:!1,userMovedPoint:!1},e.isCurrentlyDoingSetState=!1,e.handleDispatchedAction(t),e.updateTheComputedWorld(),e.updateRenderShellsBeforePaint(),e.retryLoadingFailedImage(),"undo"===t.type||"redo"===t.type||e.isDragDropActive()||e.commitUndoRedoSynchronously(t.type),e.requestParseForAllItems(),e.isCurrentlyDoingSetState=!1,e.emitUpdateRequests(),e.enqueuedEvents.change&&e.grapher&&e.grapher.markLabelsDirty(),e.enqueuedEvents.clearUnsavedChanges?e._hasUnsavedChanges=!1:e.enqueuedEvents.change&&(e._hasUnsavedChanges=!0);var i=e.getSelectedItem();i?n&&n.guid===i.guid||(e.shouldScrollSelectedItemIntoViewAfterDispatch=!0):e.shouldScrollSelectedItemIntoViewAfterDispatch=!1;var o=e.getFocusLocation();if(o&&!d.isEqual(o,r)){var s=e.getFocusedItem();s==i&&(e.shouldScrollSelectedItemIntoViewAfterDispatch=!0)}e.shouldScrollSelectedItemIntoViewAfterDispatch&&e.scrollSelectedItemIntoView(),e.updateRenderShellsAfterPaint(),e.updateDragDrop()})},e.prototype.handleDispatchedAction=function(e){var t=this;switch(e.type){case"api-method-called":break;case"undo":this.undo();break;case"redo":this.redo();break;case"clear-undoredo-history":this.clearUndoRedoHistory();break;case"on-special-key-pressed":"Enter"===e.key?P.onEnterPressed(this):"Up"===e.key?P.onUpPressed(this):"Down"===e.key?P.onDownPressed(this):"Backspace"===e.key?P.onBackspacePressed(this):"Delete"===e.key&&P.onDeletePressed(this);break;case"select-previous-expression":M.selectPrevItem(this.listModel);break;case"select-next-expression":M.selectNextItem(this.listModel);break;case"upward-delete-selected-expression":P.upwardDeleteSelectedExpression(this);break;case"downward-delete-selected-expression":P.downwardDeleteSelectedExpression(this);break;case"navigate-table-by-key":P.navigateTableByKey(this,e.id,e.key);break;case"delete-item-and-animate-out":this._deleteItemAndAnimateOut(e.id);break;case"finish-deleting-item-after-animation":this._finishDeletingItemAfterAnimation(e.id);break;case"set-expression-properties-from-api":this._setExpressionPropertiesFromAPI(e.id,e.properties);break;case"add-item-to-end-from-api":var n=this.createItemModel(e.state);"expression"===e.state.type&&e.state.slider&&"expression"===n.type&&(e.state.slider.hasOwnProperty("min")||e.state.slider.hasOwnProperty("max"))&&w.setSliderHardLimits(n),this._addItemToEndFromAPI(n);break;case"duplicate-expression":var r=this.getItemModel(e.id);if(!r||"expression"!==r.type)return;var i=w.getState(r,{stripDefaults:!1}),o=this.createItemModel(l.__assign({},i,{id:this.generateId()}));this._toplevelInsertItemAt(r.index+1,o,!1,r.folderId);break;case"insert-item-at-index":var n=this.createItemModel(e.state);this._toplevelInsertItemAt(e.index,n,e.focus,e.folderId);break;case"new-expression-at-end":var n=this.createItemModel({type:"expression",id:this.generateId(),color:this.getNextColor()});M.insertItemAtEnd(this.listModel,n),C.moveFocusToItem(this,n.id);break;case"new-expression":var n=this.createItemModel({type:"expression",id:this.generateId(),color:this.getNextColor()});this._toplevelNewItemAtSelection(n,{shouldFocus:!0}),this._closeAddExpression();break;case"new-text":var n=this.createItemModel({id:this.generateId(),type:"text"});this._toplevelNewItemAtSelection(n,{shouldFocus:!0}),this._closeAddExpression();break;case"new-folder":var n=this.createItemModel({type:"folder",id:this.generateId()});this._toplevelNewItemAtSelection(n,{shouldFocus:!0}),this._closeAddExpression();break;case"new-images":this._uploadImagesAndWaitForThemToLoad(e.files),this._closeAddExpression();break;case"new-table":var s=M.findAvailableColumnSubscript(this.listModel),a=_.makeTableState(s,[[""],[""]],this),n=this.createItemModel(a);this._toplevelNewItemAtSelection(n,{shouldFocus:!0}),this._closeAddExpression();break;case"paste-table":this._pasteTable(e.data);break;case"paste-expressions":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0,this._pasteExpressions(e.expressions);break;case"remove-item-by-id":M.removeItemById(this.listModel,e.id);break;case"replace-item-at-index":var n=this.createItemModel(e.state);this._toplevelReplaceItemAt(e.index,n,e.focus);break;case"create-sliders-for-item":this._createSlidersForItem(e.id,e.variables);break;case"start-dragdrop":var c=this.getItemModel(e.id);if(!c)return;var d=this.getItemRootNodeById(c.id);if(!d)return;var p=d.getBoundingClientRect();M.setSelected(this.listModel,void 0);var h=e.grabY-p.top,g=!1,m=1;"folder"===c.type&&(m+=this.getNumberOfItemsInFolder(c.id),c.collapsed||(g=!0,S.setCollapsed(c,!0))),M.setDragState(this.listModel,{firstItemId:c.id,numberOfItems:m,expandFolder:g,grabOffset:h,mouseY:e.mouseY,itemTop:0}),this.dragdrop_expressions.startDragging(e.mouseY);break;case"update-dragdrop":var y=this.listModel.dragState;if(!y)return;M.setDragState(this.listModel,l.__assign({},y,{mouseY:e.mouseY}));break;case"stop-dragdrop":var y=this.listModel.dragState;if(!y)return;var v=this.getItemModel(y.firstItemId);if(!v)return;M.setSelected(this.listModel,v),"folder"===v.type&&y.expandFolder&&S.setCollapsed(v,!1),M.setDragState(this.listModel,void 0);break;case"set-selected-id":var n=this.getItemModel(e.id);M.setSelected(this.listModel,n);break;case"set-selected-index":var n=this.getItemModelByIndex(e.index);M.setSelected(this.listModel,n);break;case"set-none-selected":M.setSelected(this.listModel,void 0);break;case"set-focus-location":var b=e.location?e.location.type:"";"expression"!==b&&"text"!==b&&"folder"!==b||(this.layoutModel=l.__assign({},this.layoutModel,{inEditListMode:!1})),C.setFocusLocation(this,e.location);break;case"move-focus-to-item":C.moveFocusToItem(this,e.id,e.where);break;case"blur-focus-location":this.isFocusLocationFocused(e.location)&&C.setFocusLocation(this,void 0);break;case"set-folder-collapsed":var c=this.getItemModel(e.id);if(!c||"folder"!==c.type)return;S.setCollapsed(c,e.isCollapsed);break;case"set-item-secret":var n=this.getItemModel(e.id);if(!n)return;k.setSecret(n,e.isSecret);break;case"set-tablecolumn-color":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnColor(c,e.columnId,e.color);break;case"toggle-item-hidden":this._toggleItemHidden(e.id);break;case"toggle-tablecolumn-hidden":this._toggleTableColumnHidden(e.tableId,e.columnId);break;case"set-item-label":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLabel(c,e.label);break;case"set-item-showlabel":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setShowLabel(c,e.showLabel);break;case"set-item-color":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setColor(c,e.color);break;case"set-item-fill":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setFill(c,e.fill),this._setItemHidden(c.id,w.shouldHide(c));break;case"set-image-opacity":var c=this.getItemModel(e.id);if(!c||"image"!==c.type)return;E.setOpacity(c,e.opacity),this._setItemHidden(c.id,!1);break;case"set-image-in-foreground":var c=this.getItemModel(e.id);if(!c||"image"!==c.type)return;E.setForeground(c,e.foreground);break;case"image-upload-error":this.__pendingImageUploads[e.token]&&(delete this.__pendingImageUploads[e.token],this._showToast({message:this.t("Image upload failed.")}));break;case"image-upload-success":if(this.__pendingImageUploads[e.token]){delete this.__pendingImageUploads[e.token];var x=this.createItemModel({type:"image",id:this.generateId(),width:e.width,height:e.height,image_url:e.url,name:e.name});this._toplevelNewItemAtSelection(x,{shouldFocus:!1})}this.isUploadingImages()||(this.toastData={});break;case"image-load-success":var x=this.getItemModel(e.id);if(!x||"image"!==x.type)return;E.setLoadStatus(x,"loaded"),this.imageRetryState={lastAttemptTime:0,attempts:0};break;case"image-load-error":var x=this.getItemModel(e.id);if(!x||"image"!==x.type)return;E.setLoadStatus(x,"failed");break;case"image-retry-loading":var x=this.getItemModel(e.id);if(!x||"image"!==x.type)return;E.retryLoading(x);break;case"set-item-dragmode":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setDragMode(c,e.dragMode),e.dragMode!==f.NONE&&this._setItemHidden(e.id,!1);break;case"set-tablecolumn-dragmode":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnDragMode(c,e.columnId,e.dragMode),e.dragMode!==f.NONE&&this._setTableColumnHidden(e.tableId,e.columnId,!1);break;case"set-tablecolumn-points":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnPoints(c,e.columnId,e.bool),this._setTableColumnHidden(e.tableId,e.columnId,_.shouldHideColumn(c,e.columnId));break;case"set-tablecolumn-lines":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnLines(c,e.columnId,e.bool),this._setTableColumnHidden(e.tableId,e.columnId,_.shouldHideColumn(c,e.columnId));break;case"set-tablecolumn-linestyle":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnLineStyle(c,e.columnId,e.lineStyle),this._setTableColumnHidden(e.tableId,e.columnId,!1);break;case"set-tablecolumn-pointstyle":var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setColumnPointStyle(c,e.columnId,e.pointStyle),this._setTableColumnHidden(e.tableId,e.columnId,!1);break;case"set-item-points":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setPoints(c,e.points),this._setItemHidden(e.id,w.shouldHide(c)),e.points||c.dragMode===f.NONE||w.setDragMode(c,f.NONE);break;case"set-item-pointstyle":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setPointStyle(c,e.pointStyle),this._setItemHidden(e.id,!1);break;case"set-item-lines":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLines(c,e.lines),this._setItemHidden(e.id,w.shouldHide(c));break;case"set-item-linestyle":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLineStyle(c,e.lineStyle),this._setItemHidden(e.id,!1);break;case"set-item-label-dropdown-open":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLabelDropdownOpen(c,e.open);break;case"set-item-fillopacity":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setFillOpacity(c,e.fillOpacity),this._setItemHidden(e.id,!1);break;case"set-item-labelSize":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLabelSize(c,e.labelSize);break;case"set-item-label-orientation":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setLabelOrientation(c,e.labelOrientation);break;case"plot-residuals":var n=this.getItemModel(e.id);if(!n||"expression"!==n.type)return;var A=n.formula.regression,T=A.residualSuggestionId;if(!T)return;var L=this.getItemModel(T);if(!L)return;_.insertBlankColumn(L,L.columnModels.length-1,{id:this.generateId(),latex:u.identifierToLatex(A.residualVariable),color:this.getNextColor()});break;case"toggle-logmode":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;var O=c.isLogModeRegression;w.setLogMode(c,!O);break;case"set-item-latex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var n=this.getItemModel(e.id);if(!n||"expression"!==n.type)return;var D=e.latex;if('"'===D&&this.areNotesEnabled()){var q=this.createItemModel({id:this.generateId(),type:"text"});this._toplevelReplaceItemAt(n.index,q,!0)}else""===D?w.blankOutExpressionAfterClearingLatex(n):"betchacant"===D?this.runAfterDispatch(function(){t.triggerBetchacant&&t.triggerBetchacant()}):w.setLatex(n,D);break;case"set-folder-title":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"folder"!==c.type)return;S.setTitle(c,e.title);break;case"set-image-mq-attribute":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"image"!==c.type)return;E.setMQAttribute(c,e.attribute,e.latex);break;case"set-image-name":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"image"!==c.type)return;E.setName(c,e.name);break;case"set-graph-settings":for(var N in e)"type"!==N&&this.graphSettings.setProperty(N,e[N]);break;case"set-domain-minlatex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setDomainMin(c,e.latex);break;case"set-domain-maxlatex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setDomainMax(c,e.latex);break;case"set-last-valid-domain":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.revertToLastValidDomain(c);break;case"set-note-text":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"text"!==c.type)return;I.setText(c,e.text);break;case"set-edit-list-mode":this.layoutModel=l.__assign({},this.layoutModel,{inEditListMode:e.isEditListMode}),M.setSelected(this.listModel,void 0);break;case"set-tablecell-latex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.tableId);if(!c||"table"!==c.type)return;_.setCellLatex(c,e.cell,e.latex);break;case"set-state":this.externalSetState(e.state,e.opts);break;case"set-blank":this.externalSetState(this.getBlankState(),e.opts);break;case"clear-unsaved-changes":this.enqueueEvent("clearUnsavedChanges");break;case"reset-graph":var j=this.getState();this.externalSetState(this.graphSettings.defaultState,{}),this._showToast({message:this.t("Graph reset."),undoCallback:function(){return t.dispatch({type:"set-state",state:j,opts:{}})}}),this.enqueueEvent("graphReset");break;case"clear-graph":if(this.triggerClearGraph)return void this.runAfterDispatch(function(){return t.triggerClearGraph()});var B=this.getState();this.externalSetState(this.getBlankState(),{}),this._showToast({message:this.t("Graph cleared."),undoCallback:function(){return t.dispatch({type:"set-state",state:B,opts:{}})}}),this.enqueueEvent("graphReset");break;case"on-evaluator-changes":M.onEvaluatorFormulaUpdates(this.listModel,e.changes);break;case"process-graph-data":var U;for(U in e.graphData.addedGraphs){var G=e.graphData.addedGraphs[U];this.grapher&&this.grapher.updateSketch(U,G),M.onGraphComputed(this.listModel,U,G)}for(U in e.graphData.removedGraphs)this.grapher&&this.grapher.hide(U);for(U in e.graphData.intersections)this.grapher&&this.grapher.updateIntersections(U,e.graphData.intersections[U]);this.grapher&&this.grapher.poiController.handleTraceUpdate();break;case"add-helper-expression":M.addHelperExpression(this.listModel,e.state);break;case"tick":this._tick(e.time);break;case"drag-slider-value":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderValue(c,e.value);break;case"set-slider-minlatex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderMin(c,e.isHard,e.latex);break;case"set-slider-maxlatex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderMax(c,e.isHard,e.latex);break;case"set-slider-steplatex":this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;
var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderStep(c,e.latex);break;case"set-slider-dragging":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderDragging(c,e.dragging);break;case"set-slider-isplaying":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderIsPlaying(c,e.isPlaying);break;case"set-slider-loopmode":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderLoopMode(c,e.loopMode);break;case"set-slider-animationperiod":var c=this.getItemModel(e.id);if(!c||"expression"!==c.type)return;w.setSliderAnimationPeriod(c,e.animationPeriod);break;case"show-expressions-list":this._showExpressions();break;case"hide-expressions-list":this._hideExpressions();break;case"open-drawer":this.enqueueEvent("openDrawer");break;case"resize-exp-list":this._setExpListWidth(e.expListWidth);break;case"toast/show":this._showToast(e.toast);break;case"toast/close":var z=this.toastData.onHide;z&&this.runAfterDispatch(z),this.toastData={};break;case"toast/undo":var H=this.toastData.undoCallback;H&&this.runAfterDispatch(H),this.toastData={};break;case"toast/learn-more":var K=this.toastData.undoCallback;K&&this.runAfterDispatch(K),this.toastData={};break;case"start-moving-point":F.onStartMovingPoint(this,this.listModel,e.pointInfo);break;case"stop-moving-point":F.onStopMovingPoint(this,e.pointInfo);break;case"on-move-point":var W=F.onMovePoint(this,e.pointInfo,e.screenPt,e.projection,e.keyboardDirection);W&&this.enqueueEvent("userMovedPoint");break;case"commit-user-requested-viewport":this._commitUserRequestedViewport(e.viewport);break;case"set-axis-limit-latex":this._setAxisLimitLatex(e.limit,e.latex);break;case"toggle-graph-settings":this.layoutModel=l.__assign({},this.layoutModel,{graphSettingsOpen:!this.layoutModel.graphSettingsOpen}),this.settingsViewModel=l.__assign({},this.settingsViewModel,{focusOnOpen:e.focusOnOpen}),e.focusOnOpen&&C.setFocusLocation(this,void 0);break;case"close-graph-settings":this.layoutModel=l.__assign({},this.layoutModel,{graphSettingsOpen:!1});break;case"toggle-add-expression":this.layoutModel=l.__assign({},this.layoutModel,{addExpressionOpen:!this.layoutModel.addExpressionOpen}),this.addExpressionViewModel=l.__assign({},this.addExpressionViewModel,{focusOnOpen:e.focusOnOpen}),e.focusOnOpen&&C.setFocusLocation(this,void 0);break;case"close-add-expression":this._closeAddExpression();break;case"ui/container-resized":this.layoutMeasurements={width:e.size.width,height:e.size.height},this.shouldScrollSelectedItemIntoViewAfterDispatch=!0;break;case"enter-printmode":this.inPrintMode=!0;break;case"exit-printmode":this.inPrintMode=!1;break;case"keypad/set-layout":this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:e.layout,keypadFunctionsOpen:!1});break;case"keypad/set-functions-tab":this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsTab:e.tab});break;case"keypad/set-minimized":this.layoutModel=l.__assign({},this.layoutModel,{keypadMinimized:e.minimized,keypadLayout:"mainNumbers"}),this.shouldScrollSelectedItemIntoViewAfterDispatch=!0,this.needsFakeKeypad()||C.addFocusForKeypad(this);break;case"keypad/type-text":this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsOpen:!1}),this.runAfterDispatch(function(){var t=R.default.getFocusedMathquill();t&&(t.typedText(e.text),R.default.simulateUserChangedLatex(t))});break;case"keypad/press-key":this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsOpen:!1}),this.runAfterDispatch(function(){var t=R.default.getFocusedMathquill();t&&R.default.simulateKeypress(t,e.key)});break;case"keypad/custom-command":this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsOpen:!1}),this.runAfterDispatch(function(){var t=R.default.getFocusedMathquill();t&&(V.execute(t,e.command),R.default.simulateUserChangedLatex(t))});break;case"keypad/shift":"capitalLetters"===this.getKeypadLayout()?this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:"letters",keypadFunctionsOpen:!1}):this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:"capitalLetters",keypadFunctionsOpen:!1});break;case"keypad/123":this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:"mainNumbers",keypadFunctionsOpen:!1});break;case"keypad/abc":this.isQwertyKeyboardEnabled()?this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:"letters",keypadFunctionsOpen:!1}):this.layoutModel=l.__assign({},this.layoutModel,{keypadLayout:"noQwertyLetters",keypadFunctionsOpen:!1});break;case"keypad/functions":this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsOpen:!this.isKeypadFunctionsPopoverOpen()});break;default:var $=e;return $}},e.prototype._populateSettingsViewLimitLatex=function(){this.grapher&&(this.settingsViewModel=l.__assign({},this.settingsViewModel,{limitLatex:O.limitLatex(this.grapher.getCurrentViewport(),this.getGraphSettings().xAxisStep,this.getGraphSettings().yAxisStep)}))},e.prototype.getSettingsViewModel=function(){return this.settingsViewModel},e.prototype.getListModel=function(){return this.listModel},e.prototype.getAddExpressionViewModel=function(){return this.addExpressionViewModel},e.prototype.subToChanges=function(e){var t=this,n=this.nextSubscription;return this.nextSubscription+=1,this.subscriptions[n]=e,function(){delete t.subscriptions[n]}},e.prototype.updateTheComputedWorld=function(){var e=this;M.reindex(this.listModel),M.updateDrawOrder(this.listModel),this.grapher&&this.grapher.setSketchOrder(this.listModel.drawOrder);for(var t=0,n=this.getAllItemModels();t<n.length;t++){var r=n[t];switch(r.type){case"expression":w.onControllerUpdate(r);break;case"image":E.onControllerUpdate(r);break;case"table":_.onControllerUpdate(r);break;case"folder":S.onControllerUpdate(r);break;case"text":I.onControllerUpdate(r);break;default:var i=r;return i}}this.isCurrentFocusLocationValid()||C.setFocusLocation(this,void 0);var o=this.getSelectedItem();this.layoutModel.graphSettingsOpen||this._populateSettingsViewLimitLatex(),this.propagateSelection(),this.isKeypadOpen()||(this.layoutModel=l.__assign({},this.layoutModel,{keypadFunctionsOpen:!1})),this.runAfterDispatch(function(){e.grapher&&e.grapher.audioGraph.checkIfSelectedItemChanged(o?o.id:void 0),e.grapher&&e.focusLocation&&e.grapher.audioGraph.exitAudioTrace()})},e.prototype.propagateSelection=function(){this.grapher&&this.evaluator&&(this.__lastSelectedId=a(this,this.grapher,this.evaluator,this.__lastSelectedId))},e.prototype.areParsableObjectsEqual=function(e,t){return e===t||d.isEqual(l.__assign({},e,{regressionParameters:void 0}),l.__assign({},t,{regressionParameters:void 0}))},e.prototype.requestParseForAllItems=function(){this.isCurrentlyDoingSetState&&this.evaluator.clearStatementsAndStartCompleteState();for(var e={},t=this.lastParsableObjects,n=0,r=this.getAllItemModels();n<r.length;n++){var i=r[n];switch(i.type){case"expression":case"image":case"table":e[i.id]=i.cachedParsableState;break;case"folder":case"text":break;default:var o=i;return o}}for(var s=0,a=M.getAllHelperItemModels(this.listModel);s<a.length;s++){var i=a[s];e[i.id]=i.cachedParsableState}for(var l in e){var c=e[l],u=t[l];"image"!==c.type||u&&c.type===u.type&&c.guid===u.guid||this.grapher&&this.grapher.addGraphImage(this.getItemModel(l)),this.areParsableObjectsEqual(c,u)||(this.grapher&&"statement"===c.type&&""===c.latex&&this.grapher.removeGraphSketch(c.id),this.evaluator.addStatement(c))}for(var l in t){var u=t[l],c=e[l];if("image"!==u.type||c&&c.type===u.type&&c.guid===u.guid||this.grapher&&this.grapher.removeGraphImage(l),!c&&(this.evaluator.removeStatement(l),"table"===u.type))for(var p=0,h=u.columns;p<h.length;p++){var f=h[p];this.evaluator.removeStatement(f.id)}}if(this.grapher){var g=this.grapher.getProjection(),m={viewport:g.viewport.toObject(),screen:g.screen};d.isEqual(m,this.lastViewState)||(this.evaluator.setViewState(m),this.lastViewState=m)}this.evaluator.tick(),this.lastParsableObjects=e},e.prototype.setEvaluator=function(e){this.evaluator=e},e.prototype.setGrapher=function(e){this.grapher=e},e.prototype.setBugsnagContext=function(e){this.bugsnagContext=e},e.prototype.getItemRootNodeById=function(e){var t=this.getItemModel(e);return t&&t.dcgView?t.dcgView.findRootNode():void 0},e.prototype.getItemSelectorById=function(e){var t=this.getItemRootNodeById(e);return t?D(t):void 0},e.prototype.generateId=function(){var e=this.__nextItemId;return this.__nextItemId+=1,e+""},e.prototype.getNextColor=function(){return M.getNextColor(this.listModel)},e.prototype.getNextDisplayIndex=function(){return this.listModel.nextDisplayIndex},e.prototype._clearPendingImageUploads=function(){this.__pendingImageUploads={}},e.prototype.isUploadingImages=function(){return Object.keys(this.__pendingImageUploads).length>0},e.prototype.getExpressionAnalysis=function(){return this.listModel.expressionAnalysis},e.prototype.createItemModel=function(e){return M.modelFromSpec(this.listModel,e)},e.prototype.getItemModel=function(e){return M.getItemById(this.listModel,e)},e.prototype.getItemModelByIndex=function(e){return M.getItemByIndex(this.listModel,e)},e.prototype.getItemCount=function(){return M.getItemCount(this.listModel)},e.prototype.isItemSecret=function(e){var t=this.getItemModel(e);return!!t&&M.isItemSecret(t)},e.prototype.isItemSelected=function(e){var t=this.getItemModel(e);return!!t&&M.isItemSelected(t)},e.prototype.isItemSelectable=function(e){var t=this.getItemModel(e);return!!t&&M.isItemSelectable(t)},e.prototype.getAllItemModels=function(){return M.getAllItemModels(this.listModel)},e.prototype.getAllModelsWithSliders=function(){return M.getAllModelsWithSliders(this.listModel)},e.prototype.getGraphSettings=function(){return this.graphSettings},e.prototype.inAudioTraceMode=function(){return!(!this.grapher||!this.grapher.audioGraph.audioTraceActive)},e.prototype.expressionsAreFullWidth=function(){return this.isNarrow()||this.graphSettings.config.graphpaper===!1},e.prototype.getExpListWidthString=function(){return this.expressionsAreFullWidth()?"100%":this.layoutController?this._getExpListWidth()+"px":"0"},e.prototype.getExpListWidth=function(){return this.layoutController?this._getExpListWidth():0},e.prototype.findFirstPartiallyVisibleItem=function(){var e=j.getFirstPartiallyVisibleItemId(this,this._previousFirstPartiallyVisibleId);return this._previousFirstPartiallyVisibleId=e,e?this.getItemModel(e):void 0},e.prototype.findLastPartiallyVisibleItem=function(){var e=j.getLastPartiallyVisibleItemId(this,this._previousLastPartiallyVisibleId);return this._previousLastPartiallyVisibleId=e,e?this.getItemModel(e):void 0},e.prototype.updateRenderShellsBeforePaint=function(){if(this.inPrintMode)for(var e=0,t=this.getAllItemModels();e<t.length;e++){var n=t[e];n.renderShell=!1}else{for(var r=0,i=this.getAllItemModels();r<i.length;r++){var n=i[r];n.isHiddenFromUI&&(n.renderShell=!0)}var o=this.getSelectedItem();o&&(o.renderShell=!1)}},e.prototype.updateRenderShellsAfterPaint=function(){if(this.inPrintMode)for(var e=0,t=this.getAllItemModels();e<t.length;e++){var n=t[e];n.renderShell=!1}else if(this.layoutController&&this.isListVisible()){for(var r=void 0,i=void 0,o=0,s=this.getAllItemModels();o<s.length;o++){var n=s[o];n.renderShell||(r||(r=n),i=n)}var a=this.findFirstPartiallyVisibleItem(),l=this.findLastPartiallyVisibleItem();if(a&&l)for(var c=a.index;c<=l.index;c++){var u=this.getItemModelByIndex(c);u&&!u.isHiddenFromUI&&u.renderShell&&(u.renderShell=!1)}if(a&&l&&r&&i)for(var c=r.index;c<=i.index;c++)if(c<a.index||c>l.index){var u=this.getItemModelByIndex(c);if(u&&!u.isHiddenFromUI&&!u.renderShell){u.renderShell=!0;var d=this.getItemRootNodeById(u.id);if(d){var p=d.getBoundingClientRect().height;p>0&&(u.cachedRenderHeight=p)}}}var h=this.getSelectedItem();h&&(h.renderShell=!1)}},e.prototype.updateDragDrop=function(){var e=this.listModel.dragState;if(e){var t=this.getItemModel(e.firstItemId);if(t){var n=this.dragdrop_expressions.applyDrag();n&&(M.setDragState(this.listModel,n.dragState),k.setFolderId(t,n.folderId),t.index!==n.newIndex&&M.moveItemsTo(this.listModel,t.index,n.newIndex,e.numberOfItems),M.verifyFolderIntegrity(this.listModel))}}},e.prototype.isSelectedItemPartiallyVisible=function(){var e=this.getSelectedItem();return!(!e||!j.isItemPartiallyVisible(this,e.id))},e.prototype._tick=function(e){var t=this;if(void 0!==this._lastTickTime){var n=e-this._lastTickTime;this.getAllItemModels().forEach(function(e){"expression"===e.type&&e.sliderExists&&e.slider.isPlaying&&w.tickSliderStep(e,n)})}this.runAfterDispatch(function(){t.grapher&&t.grapher.tick(e)}),this._lastTickTime=e},e.prototype.areAnyImagesLoading=function(){return M.areAnyImagesLoading(this.listModel)},e.prototype._commitUserRequestedViewport=function(e){this.grapher&&this.grapher.setUserRequestedViewport(e)},e.prototype._setAxisLimitLatex=function(e,t){var n,i;this.settingsViewModel=l.__assign({},this.settingsViewModel,{limitLatex:l.__assign({},this.settingsViewModel.limitLatex,(n={},n[e]=t,n))});var o=""===t&&("xstep"===e||"ystep"===e),s=o?0:T.default(t,this.graphSettings.degreeMode);switch(e){case"xstep":if(s<0||!isFinite(s))return;this.graphSettings.setProperty("xAxisStep",s);break;case"ystep":if(s<0||!isFinite(s))return;this.graphSettings.setProperty("yAxisStep",s);break;case"xmin":case"xmax":case"ymin":case"ymax":if(!this.grapher)return;var a=this.grapher.viewportController.getViewport(),c=r.fromObject(l.__assign({},a.toObject(),(i={},i[e]=s,i)));if(!c.isValid())return;this.grapher.viewportController.setViewport(c);var u="xmin"===e||"xmax"===e?"x":"y";this.graphSettings.setProperty("lastChangedAxis",u);var d=c.isSquare(this.grapher.getProjection().screen);this.graphSettings.setProperty("squareAxes",d)}var p=this.grapher.viewportController.getViewport().toObject();this._commitUserRequestedViewport(p)},e.prototype.canUserAddExpressions=function(){return!!this.graphSettings.config.expressions},e.prototype.areNotesEnabled=function(){return!!this.graphSettings.config.notes},e.prototype.areLinksEnabled=function(){return!!this.graphSettings.config.links},e.prototype.areImagesEnabled=function(){var e=window.FileReader,t=n.IS_IPAD&&n.IOS_VERSION&&8===n.IOS_VERSION[0]&&0===n.IOS_VERSION[1]&&0===n.IOS_VERSION[2];return!(!this.graphSettings.config.images||!e||t)},e.prototype.areFoldersEnabled=function(){return!!this.graphSettings.config.folders},e.prototype.areFunctionsRestricted=function(){return!!this.graphSettings.config.restrictedFunctions},e.prototype.isQwertyKeyboardEnabled=function(){return!!this.graphSettings.config.qwertyKeyboard},e.prototype.canEditOnWeb=function(){return!!this.graphSettings.config.editOnWeb},e.prototype.hasDefaultState=function(){return!!this.graphSettings.defaultState},e.prototype.getDefaultStateViewport=function(){var e=this.graphSettings.defaultState;if(e&&e.graph)return e.graph.viewport},e.prototype.getColors=function(){return this.graphSettings.config.colors},e.prototype.getImageOpacities=function(){return[.2,.4,.6,.8,1]},e.prototype.getUIDragModes=function(){return[f.X,f.Y,f.XY]},e.prototype.getUIDragModesForItem=function(e){var t=this.getItemModel(e);if(!t||"expression"!==t.type)return[];var n=t.formula;return n.move_strategy?[f.X,f.Y,f.XY]:[]},e.prototype.getNumberOfItemsInFolder=function(e){return M.getNumberOfItemsInFolder(this.listModel,e)},e.prototype.getEnabledDragModesForItem=function(e){var t=this.getItemModel(e);if(!t||"expression"!==t.type)return[];var n=t.formula,r=[];if(!n.move_strategy)return r;var i="none"!==n.move_strategy[0].type,o="none"!==n.move_strategy[1].type,s=i&&o;return i&&r.push(f.X),o&&r.push(f.Y),s&&r.push(f.XY),r},e.prototype.getPointStyles=function(){return[g.POINT,g.OPEN,g.CROSS]},e.prototype.getLineStyles=function(){return[g.SOLID,g.DASHED,g.DOTTED]},e.prototype.getValidPointStylesForItem=function(e){var t=this.getItemModel(e);return t&&"expression"===t.type&&w.isPointOrPointList(t)?[g.POINT,g.OPEN,g.CROSS]:[]},e.prototype.getValidLineStylesForItem=function(e){var t=this.getItemModel(e);if(!t||"expression"!==t.type)return[];var n=!t.formula.is_inequality;return n&&!w.isSinglePoint(t)?[g.SOLID,g.DASHED,g.DOTTED]:[]},e.prototype.getOpacities=function(){return[m.LOW,m.DEFAULT,m.HIGH]},e.prototype.isInEditListMode=function(){return this.layoutModel.inEditListMode},e.prototype.canAdministerSecretFolders=function(){return this.graphSettings.config.administerSecretFolders},e.prototype.isDegreeMode=function(){return this.graphSettings.degreeMode},e.prototype.isGraphSettingsOpen=function(){return this.layoutModel.graphSettingsOpen},e.prototype.isAddExpressionOpen=function(){return this.layoutModel.addExpressionOpen},e.prototype.isListVisible=function(){return this.layoutModel.expressionsVisible},e.prototype.isGrapherEnabled=function(){return this.graphSettings.config.graphpaper!==!1},e.prototype.isListEnabled=function(){return this.graphSettings.config.expressions!==!1},e.prototype.needsFakeKeypad=function(){var e=this.getFocusLocation();if(!e)return!1;switch(e.type){case"settings":case"slider-limit":case"domain-limit":case"expression":return!0;case"table":var t=e.location;if(0===t.row)return!0;var n=this.getItemModel(e.id);if(!n||"table"!==n.type)return!1;var r=n.columnModels[t.column];return!!r&&!r.disabled;case"image":return"name"!==e.location;case"text":case"folder":return!1;default:var i=e;return i}},e.prototype.getBrandingMode=function(){return this.getEditLink()?"static-edit-link":this.getGraphSettings().config.editOnWeb?"edit-link":"powered-by"},e.prototype.getEditLink=function(){return window.iframeEmbedBrandingLink},e.prototype._deleteItemAndAnimateOut=function(e){var t=this,n=.2,r=this.getItemSelectorById(e);r&&(r.css({transition:n+"s",opacity:"0",transform:"scale(.1, .1)"}),setTimeout(function(){t.dispatch({type:"finish-deleting-item-after-animation",id:e})},1e3*n))},e.prototype._finishDeletingItemAfterAnimation=function(e){var t=this.getItemModel(e);if(t){var n=this.getItemSelectorById(e),r=n&&D(document.activeElement).closest(n).length>0,i=M.findPrevSelectableItem(this.listModel,t.index);if(this._removeExpressionSynchronously(t),r){if(!i){var o=M.getFirstSelectableItem(this.listModel);o&&(i=o)}i&&C.moveFocusToItem(this,i.id,"end")}}},e.prototype._removeExpressionSynchronously=function(e){if(M.removeItemAtIndex(this.listModel,e.index),M.hasNoVisibleExpressions(this.listModel)){var t=this.createItemModel({type:"expression",id:this.generateId(),color:this.getNextColor()});M.insertItemAtEnd(this.listModel,t)}},e.prototype.setLayoutController=function(e){this.layoutController=e,this.dragdrop_expressions=new B.default(this)},e.prototype._hideExpressions=function(){this.graphSettings.config.expressions&&(M.setSelected(this.listModel,void 0),this.layoutModel=l.__assign({},this.layoutModel,{expressionsVisible:!1}),y.default())},e.prototype._showExpressions=function(){this.graphSettings.config.expressions&&(this.layoutModel=l.__assign({},this.layoutModel,{expressionsVisible:!0}),y.default())},e.prototype._showToast=function(e){var t=this;if(this.toastData=e,this.toastData.hasOwnProperty("undoCallback")&&!n.IS_MOBILE){var r=n.IS_APPLE?" Press CMD+Z to undo.":" Press CTRL+Z to undo.";this.toastData.message+=r}clearTimeout(this._hideToastTimeout);var i="number"==typeof e.hideAfter?e.hideAfter:6e3;i>0&&(this._hideToastTimeout=setTimeout(function(){t.dispatch({type:"toast/close",onHide:t.toastData.onHide})},i))},e.prototype._setExpressionPropertiesFromAPI=function(e,t){var n=this.getItemModel(e);if(n)if("table"===n.type&&t.columns){t=v.default(t);var r=_.cloneTableAndExtendWithProperties(n,t),i=M.modelFromSpec(this.listModel,r);this._toplevelReplaceItemAt(n.index,i,!1)}else{var o=this.getItemModel(e);if(!o)return;for(var s in t)if(t.hasOwnProperty(s))switch(s){case"slider":if("expression"!==o.type)continue;var a=t[s];a.hasOwnProperty("min")&&w.setSliderMin(o,!0,a.min),a.hasOwnProperty("max")&&w.setSliderMax(o,!0,a.max),a.hasOwnProperty("step")&&w.setSliderStep(o,a.step);break;case"domain":if("expression"!==o.type)continue;w.setDomainMin(o,b.default(t.domain.min)),w.setDomainMax(o,b.default(t.domain.max));break;case"hidden":this._setItemHidden(e,t.hidden);break;case"secret":k.setSecret(o,t.secret);break;case"color":if("expression"!==o.type)continue;w.setColor(o,t.color);break;case"dragMode":if("expression"!==o.type)continue;w.setDragMode(o,t.dragMode);break;case"label":if("expression"!==o.type)continue;w.setLabel(o,t.label);break;case"showLabel":if("expression"!==o.type)continue;w.setShowLabel(o,t.showLabel);break;case"latex":if("expression"!==o.type)continue;w.setLatex(o,t.latex);break;case"points":if("expression"!==o.type)continue;w.setPoints(o,!!t.points);break;case"lines":if("expression"!==o.type)continue;w.setLines(o,!!t.lines);break;case"pointStyle":if("expression"!==o.type)continue;w.setPointStyle(o,t.pointStyle);break;case"lineStyle":if("expression"!==o.type)continue;w.setLineStyle(o,t.lineStyle);break;case"fill":if("expression"!==o.type)continue;w.setFill(o,t.fill);break;case"fillOpacity":if("expression"!==o.type)continue;w.setFillOpacity(o,t.fillOpacity);break;case"id":case"type":break;default:throw new Error("trying to call setProperty for: "+s)}}},e.prototype._isParentFolderHidden=function(e){var t=this.getItemModel(e);if(!t)return!1;var n=M.getParentFolderModel(t);return!!n&&n.hidden},e.prototype._toggleItemHidden=function(e){if(this._isParentFolderHidden(e))this._setItemHidden(e,!1);else{var t=this.getItemModel(e);if(!t)return;switch(t.type){case"expression":case"image":case"folder":this._setItemHidden(e,!t.hidden);break;case"table":case"text":break;default:var n=t;return n}}},e.prototype._toggleTableColumnHidden=function(e,t){if(this._isParentFolderHidden(e))this._setTableColumnHidden(e,t,!1);else{var n=this.getItemModel(e);if(!n||"table"!==n.type)return;var r=_.getColumnModel(n,t);this._setTableColumnHidden(e,t,!r.hidden)}},e.prototype._setTableColumnHidden=function(e,t,n){var r=this.getItemModel(e);if(r&&"table"===r.type){var i=_.shouldHideColumn(r,t);!n&&this._isParentFolderHidden(e)&&this._setItemHidden(r.folderId,!1),_.setColumnHidden(r,t,n),!n&&i&&_.setColumnPoints(r,t,!0)}},e.prototype._setItemHidden=function(e,t){var n=this.getItemModel(e);if(n)switch(!t&&this._isParentFolderHidden(n.id)&&this._setItemHidden(n.folderId,!1),n.type){case"expression":w.setHidden(n,t);break;case"folder":S.setHidden(n,t);break;case"image":E.setHidden(n,t);break;case"table":case"text":break;default:var r=n;return r}},e.prototype._addItemToEndFromAPI=function(e){var t=M.getLastSelectableItem(this.listModel);!e.secret&&t&&"expression"===t.type&&""===t.latex&&M.removeItemAtIndex(this.listModel,t.index),M.insertItemAtEnd(this.listModel,e)},e.prototype._toplevelInsertItemAt=function(e,t,n,r){var i=t;M.insertItemAtIndex(this.listModel,i,e),r&&k.setFolderId(i,r),n&&C.moveFocusToItem(this,i.id)},e.prototype._toplevelNewItemAtSelection=function(e,t){var n=this.getSelectedItem();if(n){var r="expression"===n.type&&!n.latex;if(r&&!n.folderId&&("expression"!==e.type||e.latex))return this._toplevelReplaceItemAt(n.index,e,t.shouldFocus);if(r&&n.folderId&&"expression"!==e.type&&"folder"!==e.type)return this._toplevelReplaceItemAt(n.index,e,t.shouldFocus);if(!n.folderId&&"folder"!==n.type){var i=void 0;return this._toplevelInsertItemAt(n.index+1,e,t.shouldFocus,i)}if(n.folderId&&"folder"!==e.type)return this._toplevelInsertItemAt(n.index+1,e,t.shouldFocus,n.folderId);if("folder"===n.type&&!n.collapsed&&"folder"!==e.type)return this._toplevelInsertItemAt(n.index+1,e,t.shouldFocus,n.id)}var o=this.getFirstFullyVisibleItem();for(o&&"folder"===o.type&&(o=this.getItemModelByIndex(o.index+1));o&&o.folderId;)o=this.getItemModelByIndex(o.index+1);var s=o?o.index:this.getItemCount(),a=void 0;return this._toplevelInsertItemAt(s,e,t.shouldFocus,a)},e.prototype.getFirstFullyVisibleItem=function(){var e=j.getFirstFullyVisibleItemId(this);if(e)return M.getItemById(this.listModel,e)},e.prototype.getRootElt=function(){if(this.layoutController)return this.layoutController.$root[0]},e.prototype.getExppanelSelectorOrThrow=function(){var e=this.getRootElt();if(e){var t=j.getExppanelElt(e);if(t)return D(t)}throw new Error("expected to find $exppanel but could not")},e.prototype.scrollSelectedItemIntoView=function(){if(this.layoutController&&this.isListVisible()){var e=this.getSelectedItem();if(e){var t=this.layoutController.$root[0],n=this.getItemSelectorById(e.id),r=j.getExppanelSelector(t);if(n&&r){if("table"===e.type){var i=n.find(".dcg-row .dcg-selected");if(1===i.length)return void s.scrollVisible(i,r,60)}s.scrollVisible(n,r,90)}}}},e.prototype._pasteTable=function(e){var t=this,n=M.findAvailableColumnSubscript(this.listModel),i=_.makeTableState(n,e,this),s=this.createItemModel(i);this._toplevelNewItemAtSelection(s,{shouldFocus:!1}),this._closeAddExpression();var a=this.grapher.viewportController.getViewport(),l=o.computeNewViewport(a,e);(l.xmax>a.xmax||l.xmin<a.xmin||l.ymax>a.ymax||l.ymin<a.ymin)&&(this.grapher.viewportController.setViewport(new r(l.xmin,l.xmax,l.ymin,l.ymax)),this._showToast({message:this.t("We zoomed to fit your data."),undoCallback:function(){t.dispatch({type:"undo"})}}))},e.prototype._pasteExpressions=function(e){for(var t=0;t<e.length;t++){var n=void 0;n="latex"===e[t].type?this.createItemModel({id:this.generateId(),type:"expression",latex:e[t].content}):this.createItemModel({id:this.generateId(),type:"text",text:e[t].content}),this._toplevelNewItemAtSelection(n,{shouldFocus:!0})}},e.prototype._toplevelReplaceItemAt=function(e,t,n){var r=t,i=this.getItemModelByIndex(e),o=i.folderId;M.removeItemAtIndex(this.listModel,e),M.insertItemAtIndex(this.listModel,r,e),o&&k.setFolderId(r,o),n&&C.moveFocusToItem(this,r.id)},e.prototype._createSlidersForItem=function(e,t){var n=this,r=this.getItemModel(e);if(r){for(var i=r.folderId,o=r.index+1,s=t.map(function(e){var t=e?u.identifierToLatex(e)+"=1":"",r={type:"expression",id:n.generateId(),latex:t,color:n.getNextColor(),hidden:!!t};return r}),a=s.length-1;a>=0;a--){var l=this.createItemModel(s[a]);M.insertItemAtIndex(this.listModel,l,o),i&&k.setFolderId(l,i)}var c=s[s.length-1];""===c.latex?C.moveFocusToItem(this,c.id):C.setFocusLocation(this,void 0)}},e.prototype._uploadImagesAndWaitForThemToLoad=function(e){var t=this;if(!e||0===e.length)return void this._showToast({message:this.t("You did not select a file")});var n=E.uploadImages(this,e),r=n.errors[0];r&&this._showToast({message:r});for(var i=0,o=n.tokens;i<o.length;i++){var s=o[i];this.__pendingImageUploads[s]=!0}this.isUploadingImages()&&this._showToast({message:this.t("Uploading images..."),onHide:function(){t._clearPendingImageUploads()}})},e.prototype.getImageToRetry=function(){for(var e,t=0,n=this.getAllItemModels();t<n.length;t++){var r=n[t];"image"===r.type&&"failed"===r.loadStatus&&(!e||e.failures>r.failures)&&(e=r)}return e},e.prototype.retryLoadingFailedImage=function(){var e=Date.now(),t=e-this.imageRetryState.lastAttemptTime,n=1e3*Math.pow(2,this.imageRetryState.attempts);if(!(this.imageRetryState.attempts>0&&t<n)){var r=this.getImageToRetry();r&&(E.retryLoading(r),this.imageRetryState={lastAttemptTime:e,attempts:this.imageRetryState.attempts+1})}},e.prototype.getSelectedItem=function(){return M.getSelected(this.listModel)},e.prototype.getFocusedItem=function(){return C.getFocusedItem(this)},e.prototype.getFocusLocation=function(){return this.focusLocation},e.prototype.isFocusLocationFocused=function(e){var t=this.focusLocation,n=e;return!(!t||!n)&&d.isEqual(t,n)},e.prototype.isCurrentFocusLocationValid=function(){var e=this.focusLocation;if(!e)return!0;if("settings"===e.type)return this.isGraphSettingsOpen();var t=this.getItemModel(e.id);if(!t)return!1;if(!this.isItemSelected(e.id))return!1;switch(e.type){case"domain-limit":return"expression"===t.type&&!!w.hasDomain(t);case"slider-limit":return"expression"===t.type&&!!w.hasSlider(t);case"image":return"image"===t.type;case"folder":return"folder"===t.type;case"text":return"text"===t.type;case"expression":return"expression"===t.type;case"table":return"table"===t.type&&!!_.doesCellExist(t,e.location);default:var n=e;return n}},e.prototype.isDragDropActive=function(){return!!this.listModel.dragState},e.prototype.isItemBeingDragged=function(e){var t=this.listModel.dragState;return!(!t||t.firstItemId!==e)},e.prototype.getDraggedItemId=function(){var e=this.listModel.dragState;return e&&e.firstItemId},e.prototype.getRawDragState=function(){return this.listModel.dragState},e.prototype.initStateStack=function(){this.stateStack=new x.default,this.stateStack.addState(this.getUndoRedoState())},e.prototype.getUndoRedoState=function(){return{layoutModel:this.layoutModel,settingsViewModel:this.settingsViewModel,graph:this.grapher?this.grapher.getUndoRedoState():void 0,expressions:M.getUndoRedoState(this.listModel),wasCompleteSetState:this.isCurrentlyDoingSetState}},e.prototype.getState=function(e){var t={stripDefaults:!0};e&&e.hasOwnProperty("stripDefaults")&&(t.stripDefaults=!!e.stripDefaults);var n={version:i.currentVersion,graph:this.grapher.getState(t),expressions:M.getState(this.listModel,t)};return e&&e.keepV6?n:A.default(n)},e.prototype.getBlankState=function(){return this.graphSettings.config.clearIntoDegreeMode?l.__assign({},N.default,{graph:l.__assign({},N.default.graph,{degreeMode:!0})}):N.default},e.prototype.externalSetState=function(e,t){this._clearPendingImageUploads(),t||(t={}),e||(e=this.getBlankState()),"string"==typeof e&&(e=JSON.parse(e)),e&&(e=i.migrateToLatest(e));var n=this.layoutModel;this.setState(e,t),this.layoutModel=l.__assign({},L.defaultLayoutModel(this.graphSettings.config),{keypadMinimized:n.keypadMinimized,keypadLayout:n.keypadLayout,keypadFunctionsTab:n.keypadFunctionsTab,keypadFunctionsOpen:n.keypadFunctionsOpen,expressionsVisible:!!this.graphSettings.config.expressions&&(this.isListVisible()||t.forceExpressionsOpen)}),this.settingsViewModel=O.defaultSettingsViewModel(),C.setFocusLocation(this,void 0),this.enqueueEvent("clearUnsavedChanges")},e.prototype.setState=function(e,t){if(this.lastParsableObjects={},this.lastViewState=void 0,this.isCurrentlyDoingSetState=!0,"graph"in e&&this.grapher&&this.grapher.setGrapherState(e.graph),"expressions"in e){M.setSelected(this.listModel,void 0);var n=M.getLargestIntegerId(e.expressions);n>=this.__nextItemId&&(this.__nextItemId=n+1),M.setListState(this.listModel,e.expressions,t)}e.layoutModel&&(this.layoutModel=e.layoutModel),e.settingsViewModel&&(this.settingsViewModel=e.settingsViewModel),t&&t.allowUndo||this.clearUndoRedoHistory()},e.prototype.updateToState=function(e){"graph"in e&&this.grapher&&this.grapher.setGrapherState(e.graph,{doNotClear:!0}),"expressions"in e&&M.restoreListState(this.listModel,e.expressions),e.layoutModel&&(this.layoutModel=e.layoutModel),e.settingsViewModel&&(this.settingsViewModel=e.settingsViewModel)},e.prototype.commitUndoRedoSynchronously=function(e){var t=this.getUndoRedoState(),n=this.stateStack.getState();G(n,t)||(this.stateStack.addState(t),this.enqueueEvent("change"))},e.prototype.undo=function(){if(this.canUndo()){this.stateStack.undo();var e=this.stateStack.getState();e.wasCompleteSetState?this.setState(e,{allowUndo:!0}):this.updateToState(e),this.enqueueEvent("change")}},e.prototype.redo=function(){if(this.canRedo()){this.stateStack.redo();var e=this.stateStack.getState();e.wasCompleteSetState?this.setState(e,{allowUndo:!0}):this.updateToState(e),this.enqueueEvent("change")}},e.prototype.clearUndoRedoHistory=function(){this.stateStack.clear()},e.prototype.canUndo=function(){return this.stateStack.canUndo()},e.prototype.canRedo=function(){return this.stateStack.canRedo()},e.prototype._closeAddExpression=function(){this.layoutModel=l.__assign({},this.layoutModel,{addExpressionOpen:!1})},e.prototype.doesDOMHaveSize=function(){return this.layoutMeasurements.width>0&&this.layoutMeasurements.height>0},e.prototype._getExpListWidth=function(){var e;if(void 0!==this.userSpecifiedExpListWidth)e=Math.max(280,Math.min(this.layoutMeasurements.width-200,this.userSpecifiedExpListWidth));else{
if(e=this.layoutMeasurements.width,!e)return 356;var t=.2*e+160;e=Math.min(500,Math.max(280,t))}var n=this.layoutMeasurements.width-this.layoutMeasurements.height;return Math.abs(n-e)<=10?n:e},e.prototype._setExpListWidth=function(e){this.userSpecifiedExpListWidth!==e&&(this.userSpecifiedExpListWidth=e)},e.prototype.getKeypadHeight=function(){return this.computeMajorLayout().keypad.height},e.prototype.isKeypadOpen=function(){var e=this.layoutModel.keypadMinimized&&!this.isNarrow();return this.needsFakeKeypad()&&!e},e.prototype.isKeypadFunctionsPopoverOpen=function(){return!!this.layoutModel.keypadFunctionsOpen},e.prototype.getKeypadLayout=function(){return this.layoutModel.keypadLayout},e.prototype.getKeypadFunctionsTab=function(){return this.layoutModel.keypadFunctionsTab},e.prototype.getKeypadTheme=function(){return c.get("lightKeypad")?"graphing-light":"graphing-default"},e.prototype.computeMajorLayout=function(){var e=this.layoutMeasurements.width,t=this.layoutMeasurements.height,n=this.isNarrow(),r=this.isListVisible(),i=this.isKeypadOpen(),o=!this.isGrapherEnabled(),s=!this.isListEnabled(),a={left:0,top:0,width:0,height:0},l={left:0,top:0,width:0,height:0},c={left:0,top:t,width:e,height:168};return s?(l.width=e,l.height=t):o?(a.width=e,a.height=t):r?n?(a.width=e,a.height=Math.round(.58*t),a.top=t-a.height,l.width=e,l.height=t-a.height):(a.width=this.getExpListWidth(),a.height=t,l.left=a.width,l.width=e-l.left,l.height=t):r||(n?(a.width=e,a.height=Math.round(.58*t),a.top=t,l.width=e,l.height=t):(a.width=this.getExpListWidth(),a.height=t,a.left=-a.width,l.width=e,l.height=t)),i&&(c.top-=c.height,s||(a.height-=c.height)),{list:a,grapher:l,keypad:c}},e.prototype.isNarrow=function(){return this.layoutMeasurements.width<450},e}();t.default=z}),define("expressions/abstract-item-view",["require","exports","tslib","dcgview","jquery.handleevent"],function(e,t,n,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.init=function(){this.controller=this.props.controller(),this.model=this.props.model(),this.id=this.model.id,this._isFirstRender=!0,this._isDragCopy=this.props.isDragCopy()},t.prototype.onItemViewMounted=function(){this._isDragCopy||(this.model.dcgView=this),this._isFirstRender=!1},t.prototype.onItemViewUnmounted=function(){this._isDragCopy||(this.model.dcgView=void 0)},t.prototype.isFirstRender=function(){return this._isFirstRender},t.prototype.onMouseSelect=function(e){"dcg-tap"===e.type&&"mouse"===e.device||"dcg-tapstart"===e.type&&"touch"===e.device||e.wasHandled()||(e.handle(),this.controller.dispatch({type:"set-selected-id",id:this.id}))},t.prototype.onDelete=function(){this.controller.dispatch({type:"delete-item-and-animate-out",id:this.id})},t.prototype.onDragPending=function(e){this.props.onDragPending(e)},t}(r.Class);t.default=i}),define("expressions/abstract_icon_view",["require","exports","keys","tslib","jquery","dcgview"],function(e,t,n,r,i,o){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var s=0,a=500,l=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t._lastErrorState=!1,t._errorStateIsStable=!1,t}return r.__extends(t,e),t.prototype.init=function(){this.guid="options-menu-view"+ ++s,this.controller=this.props.controller()},t.prototype.positionOptionsMenu=function(){var 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e.handleFocusedChanged("max",t)}},i.createElement("span",{class:function(){return{"dcg-math-field":!0,"dcg-focus":"max"===e.getFocusedInput(),"dcg-invalid":!e.isLimitValid("max")}},"data-dcg-limit":i.const("slidermax")})),i.createElement("span",{class:i.const("dcg-slider-step-container")},i.createElement("span",{class:i.const("dcg-slider-step-label"),"aria-hidden":i.const("true")},function(){return e.controller.t("step:")}),i.createElement(s.default,{latex:function(){return e.proposedLatex.step},isFocused:function(){return"step"===e.getFocusedInput()},selectOnFocus:this.const(!0),config:this.const({}),getAriaLabel:function(){return e.controller.t("Slider Step Size: ")},getAriaPostLabel:this.const(""),hasError:this.const(!1),onUserPressedKey:function(t,n){return e.handlePressedKey("step",t,n)},onUserChangedLatex:function(t){return e.handleLatexChanged("step",t)},onFocusedChanged:function(t){return e.handleFocusedChanged("step",t)}},i.createElement("span",{class:function(){return{"dcg-math-field":!0,"dcg-focus":"step"===e.getFocusedInput(),"dcg-invalid":!e.isLimitValid("step")}},"data-dcg-limit":i.const("sliderstep")})))))},t.prototype.handlePressedKey=function(e,t,n){if("Enter"===t)return void r.default();var i=s.default.getFocusedMathquill();i&&(i.keystroke(t,n),this.handleLatexChanged(e,i.latex()))},t.prototype.handleLatexChanged=function(e,t){this.proposedLatex[e]=t,this.update()},t.prototype.handleFocusedChanged=function(e,t){var n=this;t&&this.getFocusedInput()!==e&&this.controller.dispatch({type:"set-focus-location",location:{type:"slider-limit",id:this.id,location:e}}),t?clearTimeout(this.saveAfterBlurTimeout):(this.saveAfterBlurTimeout=setTimeout(function(){clearTimeout(n.saveAfterBlurTimeout),n.getFocusedInput()===e&&n.controller.dispatch({type:"blur-focus-location",location:{type:"slider-limit",id:n.id,location:e}})},1),setTimeout(function(){n.commitInput(e)},1))},t.prototype.commitInput=function(e){this.areAllLimitsValid()&&("min"===e?this.dispatchMinLatexIfChanged(this.proposedLatex.min):"max"===e?this.dispatchMaxLatexIfChanged(this.proposedLatex.max):"step"===e&&this.dispatchStepLatexIfChanged(this.proposedLatex.step))},t.prototype.willUnmount=function(){var e=this;this.controller.runAfterDispatch(function(){e.commitInput("min"),e.commitInput("max"),e.commitInput("step")})},t.prototype.dispatchMinLatexIfChanged=function(e){var t=!0;""===e&&(t=!1,e=this.model.slider.min),this.model.slider.min===e&&this.model.slider.hardMin===t||this.controller.dispatch({type:"set-slider-minlatex",id:this.id,isHard:t,latex:e})},t.prototype.dispatchMaxLatexIfChanged=function(e){var t=!0;""===e&&(t=!1,e=this.model.slider.max),this.model.slider.max===e&&this.model.slider.hardMax===t||this.controller.dispatch({type:"set-slider-maxlatex",id:this.id,isHard:t,latex:e})},t.prototype.dispatchStepLatexIfChanged=function(e){this.model.slider.step!==e&&this.controller.dispatch({type:"set-slider-steplatex",id:this.id,latex:e})},t.prototype.getDependentLatex=function(){var e=this.model.dependent||"";return" \\le "+l.identifierToLatex(e)+" \\le "},t.prototype.areAllLimitsValid=function(){var e=a.checkSliderLimits(this.model,this.proposedLatex.min||this.model.slider.min,this.proposedLatex.max||this.model.slider.max,this.proposedLatex.step);return e.min&&e.max&&e.step},t.prototype.isLimitValid=function(e){var t=a.checkSliderLimits(this.model,this.proposedLatex.min||this.model.slider.min,this.proposedLatex.max||this.model.slider.max,this.proposedLatex.step);return t[e]},t.prototype.getFocusedInput=function(){var e=this.controller.getFocusLocation();if(e&&"slider-limit"===e.type&&e.id===this.id)return e.location},t}(i.Class);t.default=c}),define("loadcss!slider",function(){}),define("expressions/slider_view",["require","exports","tslib","dcgview","dcgview-helpers/slider","./slider_limits_view","dcgview-helpers/static-mathquill-view","graphing-calc/models/expression","loadcss!slider"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=r.Components.If,c=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.template=function(){var e=this;return this.controller=this.props.controller(),this.model=this.props.model(),this.id=this.model.id,r.createElement("span",{class:function(){return{"dcg-slider-container":!0,"dcg-editing-limits":e.isEditingSliderLimit()}},tapboundary:r.const("true")},r.createElement("div",{class:r.const("dcg-do-blur dcg-slider"),handleEvent:r.const("true")},r.createElement("div",{class:r.const("dcg-minLabel dcg-template-minlabelhtml"),role:r.const("button"),tabindex:r.const("0"),"aria-label":function(){return e.controller.t("Edit __variable__ Limits",{variable:'"'+e.model.dependent+'"'})},onTap:function(){return e.onEditLimit("min")}},r.createElement(s.default,{latex:function(){return e.model.slider.min}})),r.createElement(i.default,{min:function(){return e.model.sliderMinNumber},max:function(){return e.model.sliderMaxNumber},step:function(){return e.model.sliderStepNumber},value:function(){return e.model.sliderValue},ariaLabel:function(){return'"'+e.model.dependent+'"'},onGrab:this.bindFn(this.onGrab),onDrop:this.bindFn(this.onDrop),onDragUpdate:this.bindFn(this.onDragUpdate),onKeyboardUpdate:this.bindFn(this.onKeyboardUpdate)}),r.createElement("div",{class:r.const("dcg-maxLabel dcg-template-maxlabelhtml"),onTap:function(){return e.onEditLimit("max")}},r.createElement(s.default,{latex:function(){return e.model.slider.max}}))),r.createElement(l,{predicate:function(){return e.isEditingSliderLimit()}},function(){return r.createElement(o.default,{model:e.props.model,controller:e.props.controller})}))},t.prototype.onGrab=function(){this.dispatchIsDraggingIfChanged(!0)},t.prototype.onDrop=function(){this.controller.dispatch({type:"set-none-selected"}),this.dispatchIsPlayingIfChanged(!1),this.dispatchIsDraggingIfChanged(!1)},t.prototype.onKeyboardUpdate=function(e){this.controller.dispatch({type:"drag-slider-value",id:this.id,value:a.computeSliderAdjustment(this.model,e)})},t.prototype.onDragUpdate=function(e){e=a.computeSliderSnappedValue(this.model,e),e=Math.max(this.model.sliderMinNumber,Math.min(this.model.sliderMaxNumber,e)),e!==this.model.sliderValue&&this.controller.dispatch({type:"drag-slider-value",id:this.model.id,value:e})},t.prototype.onEditLimit=function(e){this.controller.dispatch({type:"set-focus-location",location:{type:"slider-limit",id:this.id,location:e}})},t.prototype.dispatchMinLatexIfChanged=function(e){var t=!0;""===e&&(t=!1,e=this.model.slider.min),this.model.slider.min===e&&this.model.slider.hardMin===t||this.controller.dispatch({type:"set-slider-minlatex",id:this.id,isHard:t,latex:e})},t.prototype.dispatchMaxLatexIfChanged=function(e){var t=!0;""===e&&(t=!1,e=this.model.slider.max),this.model.slider.max===e&&this.model.slider.hardMax===t||this.controller.dispatch({type:"set-slider-maxlatex",id:this.id,isHard:t,latex:e})},t.prototype.dispatchStepLatexIfChanged=function(e){this.model.slider.step!==e&&this.controller.dispatch({type:"set-slider-steplatex",id:this.id,latex:e})},t.prototype.dispatchIsPlayingIfChanged=function(e){this.model.slider.isPlaying!==e&&this.controller.dispatch({type:"set-slider-isplaying",id:this.id,isPlaying:e})},t.prototype.dispatchIsDraggingIfChanged=function(e){this.model.sliderDragging!==e&&this.controller.dispatch({type:"set-slider-dragging",id:this.id,dragging:e})},t.prototype.isEditingSliderLimit=function(){if(this.controller.isInEditListMode())return!0;var e=this.controller.getFocusLocation();return!(!e||"slider-limit"!==e.type||e.id!==this.id)},t}(r.Class);t.default=c}),define("expressions/slider_speed_view",["require","exports","lib/aria","expressions/slider_loop_modes","tslib","underscore","dcgview","graphing-calc/models/expression","loadcss!slider"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=[.05,.1,.15,.2,.35,.5,.75,1,1.5,2,3.5,5,7.5,10,15,20],c=o.min(l),u=o.max(l),d=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i.__extends(t,e),t.prototype.init=function(){this.controller=this.props.controller(),this.model=this.props.model()},t.prototype.template=function(){var e=this;return s.createElement("div",{class:s.const("dcg-slider-speed-container dcg-do-not-blur"),handleEvent:s.const("true")},s.createElement("span",{class:s.const("dcg-action-toggle-slider-loop-mode"),onTap:function(){return e.toggleLoopMode()},role:s.const("button"),"aria-label":function(){return e.getLoopModeAriaLabel()},"aria-hidden":function(){return e.isHidden()},tabindex:function(){return e.isHidden()?-1:0},loopMode:function(){return e.model.slider.loopMode}},s.createElement("span",{class:s.const("dcg-toggle-loop-mode-top")},s.createElement("i",{class:s.const("dcg-icon-bottom-arrow")})),s.createElement("span",{class:s.const("dcg-toggle-loop-mode-bottom")},s.createElement("i",{class:s.const("dcg-icon-bottom-arrow")}))),s.createElement("span",{class:function(){return{"dcg-action-slower":!0,"dcg-disabled":e.isSlowerDisabled()}},onTap:function(){return e.animateSlower()},role:s.const("button"),"aria-label":function(){return e.getSlowerAriaLabel()},"aria-hidden":function(){return e.isHidden()},tabindex:function(){return e.isHidden()?-1:0},"aria-disabled":function(){return e.isSlowerDisabled()}},s.const("«")),s.createElement("span",{class:s.const("dcg-variable-speed")},this.bindFn(this.computeSpeed),s.const("x")),s.createElement("span",{class:function(){return{"dcg-action-faster":!0,"dcg-disabled":e.isFasterDisabled()}},onTap:function(){return e.animateFaster()},role:s.const("button"),"aria-label":function(){return e.getFasterAriaLabel()},"aria-hidden":function(){return e.isHidden()},tabindex:function(){return e.isHidden()?-1:0},"aria-disabled":function(){return e.isFasterDisabled()}},s.const("»")))},t.prototype.computeSpeed=function(){var e=a.DEFAULT_SLIDER_PERIOD/this.model.slider.animationPeriod;return e=Number(e.toFixed(3))},t.prototype.isSlowerDisabled=function(){return c>=this.computeSpeed()},t.prototype.isFasterDisabled=function(){return u<=this.computeSpeed()},t.prototype.animateSlower=function(){var e=this.computeSpeed(),t=o.filter(l,function(t){return t<e});0!==t.length&&this.setPeriodFromSpeed(o.max(t))},t.prototype.animateFaster=function(){var e=this.computeSpeed(),t=o.filter(l,function(t){return t>e});0!==t.length&&this.setPeriodFromSpeed(o.min(t))},t.prototype.toggleLoopMode=function(){var e;e=this.model.slider.loopMode===r.LOOP_FORWARD_REVERSE?r.LOOP_FORWARD:r.LOOP_FORWARD_REVERSE,this.controller.dispatch({type:"set-slider-loopmode",id:this.model.id,loopMode:e})},t.prototype.setPeriodFromSpeed=function(e){var t=a.DEFAULT_SLIDER_PERIOD/e;this.controller.dispatch({type:"set-slider-animationperiod",id:this.model.id,animationPeriod:t}),n.alert(this.controller.t("Animating at __speed__x",{speed:e+""}))},t.prototype.isHidden=function(){return!this.model.slider.isPlaying},t.prototype.getSlowerAriaLabel=function(){this.controller.t("Animate __variable__ Slower",{variable:this.model.dependent})},t.prototype.getFasterAriaLabel=function(){this.controller.t("Animate __variable__ Faster",{variable:this.model.dependent})},t.prototype.getLoopModeAriaLabel=function(){return this.model.slider.loopMode===r.LOOP_FORWARD_REVERSE?this.controller.t("Loop __variable__ Forward and Reverse",{variable:this.model.dependent}):this.controller.t("Loop __variable__ Forward",{variable:this.model.dependent})},t}(s.Class);t.default=d}),define("loadcss!prompt-sliders",function(){}),define("expressions/promptslider_view",["require","exports","lib/aria","tslib","graphing/label","jquery","dcgview","loadcss!prompt-sliders"],function(e,t,n,r,i,o,s){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=s.Components,l=a.For,c=a.If,u=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r.__extends(t,e),t.prototype.init=function(){this.controller=this.props.controller(),this.model=this.props.model()},t.prototype.template=function(){var e=this;return s.createElement("div",{class:s.const("dcg-create-sliders dcg-action-createslider"),handleEvent:s.const("true"),onTap:this.bindFn(this.onCreateSlider)},s.createElement("span",{class:s.const("dcg-msg")},function(){return e.controller.t("add slider:")}),s.createElement("span",{class:s.const("btns")},s.createElement(l,{each:this.props.variables},s.createElement("span",null,function(t){return s.createElement("div",{class:s.const("dcg-slider-btn-container"),var_name:e.const(t)},s.createElement("div",{role:s.const("button"),tabindex:s.const("0"),class:function(){return{"dcg-btn-slider":!0,"dcg-btn-blue":1===e.props.variables().length,"dcg-btn-light-gray":1!==e.props.variables().length}},didMount:function(e){e.innerHTML=i.identifierToHTML(t)}}))})),s.createElement(c,{predicate:function(){return e.props.variables().length>1}},function(){return s.createElement("div",{class:s.const("dcg-slider-btn-container dcg-all")},s.createElement("div",{role:s.const("button"),tabindex:s.const("0"),class:s.const("dcg-btn-slider dcg-btn-blue")},function(){return e.controller.t("all")}))})))},t.prototype.onCreateSlider=function(e){if(this.controller.dispatch({type:"set-none-selected"}),e.target){var t=o(e.target).closest(".dcg-slider-btn-container");if(t.length){var n=!1;if(t.hasClass("dcg-all"))this.props.onCreateSliders(this.props.variables()),n=!0;else{var r=[t.attr("var_name")];this.props.onCreateSliders(r),n=1==this.props.variables().length}if("keyboard"===e.device){var i=this.model.id,s=this.props.controller().getItemSelectorById(i);if(!s)return;n?this.controller.dispatch({type:"move-focus-to-item",id:i}):s.find(".dcg-btn-blue").focus()}}}},t.prototype.didMount=function(){var e=this;this.promptAlertTimeout&&clearTimeout(this.promptAlertTimeout),this.promptAlertTimeout=setTimeout(function(){for(var t=[],r=e.props.variables(),i=0;i<r.length;i++)t.push('"'+r[i]+'"');n.alert(e.controller.t("Add slider for __vars__",{vars:t.join(",")})),e.promptAlertTimeout=0},2e3)},t.prototype.didUnmount=function(){this.promptAlertTimeout&&clearTimeout(this.promptAlertTimeout)},t}(s.Class);t.default=u}),define("loadcss!expressions/label-dropdown-view",function(){}),define("expressions/label-dropdown-view",["require","exports","tslib","dcgview","loadcss!./label-dropdown-view"],function(e,t,n,r){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var i=r.Components,o=i.For,s=i.Switch,a=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.template=function(){var e=this;return this.controller=this.props.controller(),this.model=this.props.model(),this.id=this.model.id,r.createElement("div",{class:r.const("dcg-label-dropdown-view dcg-popover dcg-left")},r.createElement("div",{class:r.const("dcg-arrow")}),r.createElement("div",{class:r.const("dcg-label-group-container")},r.createElement("div",{class:r.const("dcg-label-group")},r.createElement("div",{role:r.const("heading"),"aria-level":r.const(1),class:r.const("dcg-label-group-title")},r.const("Label Position")),r.createElement(o,{each:this.bindFn(this.getLabelOrientations)},r.createElement("div",{role:r.const("group"),"aria-label":function(){return e.controller.t("Label Position")},class:r.const("dcg-label-options")},function(t){return r.createElement("a",{role:r.const("button"),tabindex:r.const(0),class:function(){return{"dcg-menu-option":!0,"dcg-label-position":!0,"dcg-menu-option-selected":e.isorientationSelected(t)}},"aria-pressed":function(){return e.isorientationSelected(t)},onTap:function(){return e.setorientation(t)},"aria-label":function(){return e.capitalizeFirst(t)}},r.createElement("span",{class:r.const("dcg-menu-option-icon")},r.createElement("i",{class:r.const("dcg-icon-position-arrows")}),r.createElement("span",{class:function(){var n;return n={"dcg-position-direction-icon":!0},n[e.getPositionIconClass(t)]=!0,n}},r.createElement(s,{key:function(){return t}},function(e){return"default"==e?r.createElement("div",{class:r.const("dcg-default-position")}):r.createElement("i",{class:r.const("dcg-icon-position-arrows-single")})}))),r.createElement("span",{class:r.const("dcg-menu-option-label")},function(){return e.capitalizeFirst(t)}))}))),r.createElement("div",{class:r.const("dcg-label-group")},r.createElement("div",{class:r.const("dcg-label-group-title")},r.const("Font Size")),r.createElement(o,{each:this.bindFn(this.getLabelSizes)},r.createElement("div",{role:r.const("group"),"aria-label":function(){return e.controller.t("Size")},class:r.const("dcg-label-options")},function(t){return r.createElement("a",{role:r.const("button"),tabindex:r.const(0),class:function(){var n;return n={"dcg-menu-option":!0,"dcg-menu-option-selected":e.isSizeSelected(t),"dcg-label-size":!0},n[e.getSizeClass(t)]=!0,n},"aria-pressed":function(){return e.isSizeSelected(t)},onTap:function(){return e.setLabelSize(t)},"aria-label":function(){return e.capitalizeFirst(t)}},r.createElement("span",{class:r.const("dcg-menu-option-icon")},r.const("A")),r.createElement("span",{class:r.const("dcg-menu-option-label")},function(){return e.capitalizeFirst(t)}))})))))},t.prototype.capitalizeFirst=function(e){return e.charAt(0).toUpperCase()+e.slice(1)},t.prototype.getLabelOrientations=function(){return["default","left","right","above","below"]},t.prototype.getLabelSizes=function(){return["small","medium","large"]},t.prototype.getSizeClass=function(e){switch(e){case"small":return"dcg-small-label";case"large":return"dcg-large-label";case"medium":return"dcg-medium-label"}},t.prototype.isSizeSelected=function(e){return this.model.labelSize===e},t.prototype.isorientationSelected=function(e){return this.model.labelOrientation===e},t.prototype.getPositionIconClass=function(e){switch(e){case"above":return"dcg-position-icon-above";case"below":return"dcg-position-icon-below";case"left":return"dcg-position-icon-left";case"right":return"dcg-position-icon-right";case"default":return"dcg-position-icon-default"}},t.prototype.setorientation=function(e){this.controller.dispatch({type:"set-item-label-orientation",id:this.id,labelOrientation:e})},t.prototype.setLabelSize=function(e){this.controller.dispatch({type:"set-item-labelSize",id:this.id,labelSize:e})},t.prototype.getLabelSize=function(){return this.model.labelSize},t}(r.Class);t.LabelDropdownView=a}),define("loadcss!expressions/label_view",function(){}),define("expressions/label_view",["require","exports","keys","tslib","dcgview","./label-dropdown-view","jquery","loadcss!./label_view"],function(e,t,n,r,i,o,s){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=i.Components,l=a.Input,c=a.If,u=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r.__extends(t,e),t.prototype.template=function(){var e=this;return this.controller=this.props.controller(),this.model=this.props.model(),this.id=this.model.id,i.createElement("div",{class:function(){return{"dcg-label-visible":e.getShowLabel(),"dcg-label-container":!0,"dcg-do-blur":!0}},tapboundary:i.const("true"),
handleEvent:i.const("true")},i.createElement("span",{role:i.const("checkbox"),"aria-checked":this.bindFn(this.getShowLabel),tabindex:i.const("0"),class:function(){return{"dcg-checkbox":!0,"dcg-checkbox-checked":e.getShowLabel()}},"aria-label":function(){return e.controller.t("Label")},onTap:this.bindFn(this.onCheckboxInput)},i.createElement("span",{class:function(){return{"dcg-checkbox-box":!0,"dcg-checked":e.getShowLabel()}}},i.createElement("i",{class:i.const("dcg-icon-check")})),i.const(" "),i.createElement("span",{class:i.const("dcg-checkbox-label"),"aria-hidden":i.const("true")},function(){return e.controller.t("Label")})),i.createElement(l,{class:function(){return{"dcg-label-input":!0,"dcg-disabled-input":e.getIsDisabled()}},"aria-label":function(){return e.controller.t("Label Text")},"aria-disabled":this.bindFn(this.getIsDisabled),value:this.bindFn(this.getLabel),onInput:this.bindFn(this.onLabelInput)}),i.createElement(c,{predicate:function(){return e.oldInterpolation().length>0}},function(){return i.createElement("div",{class:i.const("dcg-warning-wrapper tipsy-sticky"),tooltip:function(){return"Interpolate now requires $. For example, try $"+e.oldInterpolation()}},i.createElement("i",{class:i.const("dcg-icon-error")}))}),i.createElement("span",{class:function(){return{"dcg-dropdown-container":!0,"dcg-no-label":!e.getShowLabel()}},didMount:function(t){return e.$dropdownContainer=s(t)}},i.createElement("span",{class:i.const("dcg-dropdown-wrench-container"),role:i.const("button"),tabindex:i.const(0),"aria-label":function(){return e.controller.t("Label Settings")},onTap:this.bindFn(this.toggleDropdown),selected:this.bindFn(this.showLabelDropdown),"aria-expanded":this.bindFn(this.showLabelDropdown)},i.createElement("i",{class:i.const("dcg-icon-wrench")})),i.createElement(c,{predicate:this.bindFn(this.showLabelDropdown)},function(){return i.createElement(o.LabelDropdownView,{controller:e.props.controller,model:e.props.model})})))},t.prototype.showLabelDropdown=function(){return this.model.labelDropdownOpen},t.prototype.showDropdown=function(e){var t=this,r=s(e.target);s(document).on("mousedown.dcg-"+this.id+" touchstart.dcg-"+this.id+" pointerdown.dcg-"+this.id,function(e){t.showLabelDropdown()&&(s(e.target).closest(t.$dropdownContainer).length>0||t.hideDropdown())}),s(document).on("keydown.dcg-"+this.id,function(e){n.lookup(e)===n.ESCAPE&&(t.hideDropdown(),r.focus())}),this.controller.dispatch({type:"set-item-label-dropdown-open",id:this.id,open:!0})},t.prototype.hideDropdown=function(){s(document).off(".dcg-"+this.id),this.controller.dispatch({type:"set-item-label-dropdown-open",id:this.id,open:!1})},t.prototype.toggleDropdown=function(e){this.showLabelDropdown()?this.hideDropdown():this.showDropdown(e)},t.prototype.getLabel=function(){return this.model.label||""},t.prototype.getShowLabel=function(){return!!this.model.showLabel},t.prototype.getIsDisabled=function(){return 0===this.getLabel().length&&!this.getShowLabel()},t.prototype.onLabelInput=function(e){var t=e;this.controller.dispatch({type:"set-item-label",id:this.id,label:t}),this.controller.dispatch({type:"set-item-showlabel",id:this.id,showLabel:!!t})},t.prototype.oldInterpolation=function(){var e=this.getLabel(),t=["[a-zA-Z][0-9]*","[a-zA-Z]_[a-zA-Z0-9]+","[a-zA-Z]_\\{[a-zA-Z0-9]+\\}"],n="({"+t.join("})|({")+"})",r="\\$({"+t.join("})|\\$({")+"})",i=e.replace(new RegExp(r,"g"),""),o=i.match(new RegExp(n,""));return o?o[0]:""},t.prototype.onCheckboxInput=function(){this.controller.dispatch({type:"set-item-showlabel",id:this.id,showLabel:!this.getShowLabel()})},t}(i.Class);t.default=u}),define("loadcss!expressions.image",function(){}),define("expressions/expression_view",["require","exports","config","browser","tslib","./abstract-item-view","dcgview-helpers/mathquill-view","lib/conditional_blur","./expression_icon_view","expressions/evaluation_view","expressions/unresolved_view","expressions/domain_view","expressions/regression_view","expressions/slider_view","expressions/slider_speed_view","expressions/promptslider_view","expressions/label_view","graphing-calc/models/expression","graphing/label","graphing/dragmode","expressions/styles","dcgview","jquery.handleevent","loadcss!expressions.image"],function(e,t,n,r,i,o,s,a,l,c,u,d,p,h,f,g,m,y,v,b,x,w){"use strict";function _(e){return e&&e.is_evaluable&&e.zero_values&&e.zero_values.length>0&&"boolean"!=typeof e.zero_values[0].val}Object.defineProperty(t,"__esModule",{value:!0});var E=w.Components,S=E.If,I=E.Switch,M={zeroCutoff:1e-15,smallCutoff:1e-6,bigCutoff:1e9,digits:12},k=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e=this;return w.createElement("div",{class:function(){return{"dcg-do-not-blur":!0,"dcg-expressionitem":!0,"dcg-mathitem":!0,"dcg-inFolder":!!e.model.folderId,"dcg-selected":e.controller.isItemSelected(e.id),"dcg-dragging":!!e.controller.isItemBeingDragged(e.id),"dcg-isPlaying":e.isSliderPlaying(),"dcg-hasSlider":e.hasSlider(),"dcg-hasEvaluation":e.hasEvaluation(),"dcg-hasRegression":e.hasRegression(),"dcg-hasDomain":e.hasDomain()}},"expr-id":function(){return e.model.id},onTapStart:this.bindFn(this.onMouseSelect),onTap:this.bindFn(this.onMouseSelect)},w.createElement("div",{class:w.const("dcg-fade-container")},w.createElement("div",{class:w.const("dcg-main")},w.createElement(s.default,{latex:function(){return e.model.latex},getAriaLabel:this.bindFn(this.getAriaLabel),getAriaPostLabel:this.bindFn(this.getFormulaAria),isFocused:function(){return e.isFocused()},config:this.const({}),hasError:this.const(!1),onUserPressedKey:function(t,n){return e.handlePressedKey(t,n)},onUserChangedLatex:function(t){return e.handleLatexChanged(t)},onFocusedChanged:function(t){return e.handleMQFocusedChanged(t)}},w.createElement("div",{class:w.const("dcg-expression-mathquill")}))),w.createElement("i",{class:w.const("dcg-icon-remove dcg-top-level-delete"),handleEvent:w.const("true"),onTap:this.bindFn(this.onDelete)}),w.createElement(S,{predicate:this.bindFn(this.hasSlider)},function(){return w.createElement(f.default,{model:e.props.model,controller:e.props.controller})}),w.createElement(S,{predicate:function(){return void 0!==e.getFooterType()}},function(){return w.createElement("div",{class:e.getFooterClass()},w.createElement(I,{key:e.bindFn(e.getFooterType)},function(t){switch(t){case"slider":return w.createElement(h.default,{model:e.props.model,controller:e.props.controller});case"regression":return w.createElement(p.default,{model:e.props.model,controller:e.props.controller});case"label":return w.createElement(m.default,{model:e.props.model,controller:e.props.controller});case"domain":return w.createElement(d.default,{model:e.props.model,controller:e.props.controller});case"promptSlider":return w.createElement(g.default,{model:e.props.model,controller:e.props.controller,variables:e.bindFn(e.getVariables),onCreateSliders:e.bindFn(e.onCreateSliders)});case"evaluation":return w.createElement(c.default,{labelOptions:e.const(M),dependent:function(){return e.model.dependent||""},val:e.bindFn(e.getEvaluationValue)});case"unresolved":return w.createElement(u.default,{controller:e.props.controller});default:return w.createElement("span",null)}}))})),w.createElement("span",{class:w.const("dcg-tab dcg-action-drag dcg-action-icon-touch"),handleevent:w.const("true"),tapboundary:w.const("true"),disablescroll:w.const("true"),style:w.const("touch-action:none"),onTapStart:this.bindFn(this.onDragPending)},w.createElement("span",{class:w.const("dcg-num")},function(){return e.model.displayIndex}),w.createElement("div",{class:w.const("dcg-tab-interior dcg-action-icon-mouse")},w.createElement(l.default,{model:this.props.model,controller:this.props.controller}))),w.createElement("span",{class:w.const("dcg-exp-actions")},w.createElement("span",{class:w.const("dcg-graphic"),handleEvent:w.const("true ")}),w.createElement("span",{class:w.const("dcg-delete-btn dcg-tooltip"),handleEvent:w.const("true"),tooltip:function(){return e.controller.t("Delete")},onTap:this.bindFn(this.onDelete)},w.createElement("i",{class:w.const("dcg-icon-remove")})),w.createElement("span",{class:w.const("dcg-action-duplicate dcg-duplicate-btn dcg-tooltip"),handleEvent:w.const("true"),tooltip:function(){return e.controller.t("Duplicate")},onTap:this.bindFn(this.onDuplicateWithoutFocus)},w.createElement("i",{class:w.const("dcg-icon-duplicate")})),w.createElement("span",{class:function(){return{"dcg-action-createtable":!0,"dcg-tooltip":!0,"dcg-disabled":!e.model.isTableable}},tooltip:function(){return e.controller.t("Convert to Table")},handleEvent:w.const("true"),onTap:this.bindFn(this.onCreateTable)},w.createElement("i",{class:w.const("dcg-icon-table")}))))},t.prototype.getFooterType=function(){return this.hasSlider()?"slider":this.hasRegression()?"regression":this.shouldShowLabelView()?"label":this.hasDomain()?"domain":this.shouldShowSliderPrompt()?"promptSlider":this.hasEvaluation()?"evaluation":this.model.unresolved?"unresolved":void 0},t.prototype.getFooterClass=function(){return this.isFirstRender()?this.const("dcg-expression-bottom"):this.const("dcg-expression-bottom dcg-fadein-bottom")},t.prototype.onDuplicateWithoutFocus=function(){this.controller.dispatch({type:"duplicate-expression",id:this.model.id})},t.prototype.onCreateSliders=function(e){this.controller.dispatch({type:"create-sliders-for-item",id:this.id,variables:e})},t.prototype.onCreateTable=function(){var e=this.model.formula;if(this.model.isTableable){var t,n=e.table_info,r=this.model.index,i=[],o=[];if(n.values)for(t=0;t<n.values.length;t++){var s=n.values[t][0];i.push(s?s+"":"");var a=n.values[t][1];o.push(a?a+"":"")}else for(t=-2;t<=2;t++)i.push(t+""),o.push("");var l={id:this.controller.generateId(),type:"table",columns:[{id:this.controller.generateId(),latex:n.independent_variable,color:this.controller.getNextColor(),hidden:!1,values:i,points:!0,lines:!1,dragMode:b.NONE,pointStyle:x.POINT,lineStyle:x.SOLID},{id:this.controller.generateId(),latex:n.dependent_column,color:this.model.color,hidden:!1,values:o,points:!0,lines:!(y.isPointOrPointList(this.model)||this.model.hidden),dragMode:b.NONE,pointStyle:x.POINT,lineStyle:x.SOLID}]},c=this.controller;this.controller.dispatch({type:"set-edit-list-mode",isEditListMode:!1}),n.by_reference?this.controller.dispatch({type:"insert-item-at-index",index:r+1,state:l,folderId:this.model.folderId,focus:!0}):this.controller.dispatch({type:"replace-item-at-index",index:r,state:l,focus:!0});var u=function(){c.dispatch({type:"undo"}),c.dispatch({type:"set-edit-list-mode",isEditListMode:!0})};this.controller.dispatch({type:"toast/show",toast:{message:this.controller.t("Table created."),undoCallback:u}})}},t.prototype.shouldShowLabelView=function(){return n.get("labels")&&y.isPointOrPointList(this.model)},t.prototype.shouldShowSliderPrompt=function(){return this.getVariables().length>0},t.prototype.getVariables=function(){return this.model.formula?this.model.formula.is_single_identifier?[]:this.model.formula.variables||[]:[]},t.prototype.hasEvaluation=function(){return _(this.model.formula)},t.prototype.getEvaluationValue=function(){return this.hasEvaluation()?this.model.formula.zero_values[0].val:NaN},t.prototype.hasRegression=function(){return!(!this.model.formula||!this.model.formula.is_regression)},t.prototype.hasDomain=function(){return!(!this.model.formula||!y.isParametric(this.model))},t.prototype.hasSlider=function(){return!!this.model.sliderExists},t.prototype.isSliderPlaying=function(){return!(!this.model.sliderExists||!this.model.slider.isPlaying)},t.prototype.getAriaLabel=function(){if(this.shouldShowLabelView()){var e;e=this.model.label&&""!==this.model.label?this.model.label:this.controller.t("Label");var t;return t=this.model.showLabel?e:this.controller.t("Hidden __label__",{label:e})}return this.controller.t("Expression __index__",{index:this.model.displayIndex})},t.prototype.getFormulaAria=function(){var e=this.model.formula,t="";if(!e)return t;if(y.isEmpty(this.model))return t;if(_(e)){t="equals ";var n=e.zero_values[0].val;t+=Array.isArray(n)?n.length+" element list.":v.truncatedAriaLabel(n,M)}else e.error&&!this.shouldShowSliderPrompt()?t=this.controller.unpack(e.error):(e.is_graphable||e.is_regression)&&(t=e.is_graphable&&e.is_regression?this.controller.t("Has graph and regression. To access statistics, press Tab."):e.is_regression?this.controller.t("Has regression. To access statistics, press Tab."):this.controller.t("Has graph."),e.is_graphable&&(t+=r.IS_APPLE?this.controller.t(" To audio trace, press OPTION+T."):this.controller.t(" To audio trace, press ALT+T.")));return t},t.prototype.handlePressedKey=function(e,t){var n=s.default.getFocusedMathquill();if(n){if("Esc"===e)return a.default();if("Up"===e||"Down"===e){var r=s.default.applyArrowKeyAndReturnIfWasAtBounds(n,e,t);return r?this.controller.dispatch({type:"on-special-key-pressed",key:e}):void 0}if("Delete"===e||"Backspace"===e){if(y.isEmpty(this.model))return this.controller.dispatch({type:"on-special-key-pressed",key:e})}else if("Enter"===e){var i=this.getVariables();return i.length?void this.onCreateSliders(i.concat("")):this.controller.dispatch({type:"on-special-key-pressed",key:"Enter"})}n.keystroke(e,t),this.handleLatexChanged(n.latex())}},t.prototype.handleLatexChanged=function(e){e!==this.model.latex&&this.controller.dispatch({type:"set-item-latex",id:this.id,latex:e})},t.prototype.handleMQFocusedChanged=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"expression",id:this.id}}):this.controller.dispatch({type:"blur-focus-location",location:{type:"expression",id:this.id}})},t.prototype.onMouseSelect=function(e){"keyboard"!==e.device&&("dcg-tap"===e.type&&"mouse"===e.device||"dcg-tapstart"===e.type&&"touch"===e.device||this.controller.isInEditListMode()||e.wasHandled()||(e.handle(),this.controller.dispatch({type:"set-focus-location",location:{type:"expression",id:this.id}})))},t.prototype.isFocused=function(){var e=this.controller.getFocusLocation();return!!e&&("expression"===e.type&&e.id===this.id)},t}(o.default);t.default=k}),define("loadcss!smart_textarea",function(){});define("expressions/smart_textarea",["require","exports","browser","keys","tslib","dcgview","jquery","lib/conditional_blur","loadcss!smart_textarea","jquery.handleevent"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=o.Components.Textarea,c=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i.__extends(t,e),t.prototype.template=function(){var e=this;return o.createElement("div",{class:o.const("dcg-smart-textarea-container")},o.createElement("div",{class:o.const("dcg-displayTextarea dcg-fixed-width-element"),didMount:this.bindFn(this.didMountDisplay)}),o.createElement(l,{class:function(){return{"dcg-do-blur":!0,"dcg-fixed-width-element":!0,"dcg-smart-textarea":!0,"dcg-empty":!e.props.text()}},"aria-label":function(){return e.props.ariaLabel?e.props.ariaLabel():void 0},placeholder:this.props.placeholder,value:this.props.text,onInput:this.props.onInput,didMount:this.bindFn(this.didMountTextarea),onKeydown:this.bindFn(this.onKeydownEvent)}))},t.prototype.getDisplayTextHTML=function(){var e=this.props.text()||"";if(e=e.replace(/</g,"&lt;").replace(/>/g,"&gt;"),!this.props.showLinks())return e;var t=/(\b(https?|ftp):\/\/[-A-Z0-9+&@#\/%?=~_|!:,.;]*[-A-Z0-9+&@#\/%=~_|])/gi;return e=e.replace(t,"<a href='$1' target ='_blank'>$1</a>")},t.prototype.willUnmount=function(){this.textareaNode=void 0},t.prototype.didMountDisplay=function(e){this.displayNode=e,s(e).on("touchend",function(e){e.preventDefault()}),s(e).on("dcg-tap dcg-tapstart","a",function(e){e.handle()}),this.renderDisplayText()},t.prototype.didMountTextarea=function(e){var t=this;this.textareaNode=e,s(e).on("dcg-tapstart",function(e){e.handle()}),s(e).on("focusin focusout",function(){return t.onFocusEvent()}),this.updateFocused()},t.prototype.didUpdate=function(){this.updateFocused(),this.renderDisplayText()},t.prototype.onFocusEvent=function(){if(this.textareaNode){var e=document.activeElement===this.textareaNode;this.shouldBeFocused()!==e&&this.props.onFocusChange(e)}},t.prototype.renderDisplayText=function(){if(this.displayNode){var e=this.getDisplayTextHTML();this.lastDisplayTextHTML!==e&&(this.lastDisplayTextHTML=e,this.displayNode.innerHTML=e)}},t.prototype.isFocused=function(){return document.activeElement===this.textareaNode},t.prototype.shouldBeFocused=function(){return this.props.shouldFocus()},t.prototype.updateFocused=function(){if(this.textareaNode){var e=this.isFocused(),t=this.shouldBeFocused();if(e!==t)if(t){if(n.IS_IPAD&&n.IS_IN_IFRAME)return;this.textareaNode.focus(),this.textareaNode.selectionStart=this.textareaNode.selectionEnd=this.textareaNode.value.length}else this.textareaNode.blur()}},t.prototype.onKeydownEvent=function(e){var t=this.textareaNode;if(t){var n=r.lookup(e);n!==r.ENTER||e.metaKey?n===r.ESCAPE?a.default():n===r.UP?0===t.selectionStart&&0===t.selectionEnd&&(e.preventDefault(),this.props.onSpecialKey("Up")):n===r.DOWN?t.selectionStart===t.value.length&&t.selectionEnd===t.value.length&&(e.preventDefault(),this.props.onSpecialKey("Down")):n===r.BACKSPACE?0===t.value.length&&(e.preventDefault(),this.props.onSpecialKey("Backspace")):n===r.DELETE&&0===t.value.length&&(e.preventDefault(),this.props.onSpecialKey("Delete")):(e.preventDefault(),this.props.onSpecialKey("Enter")),this.props.onKeydown&&this.props.onKeydown(e)}},t}(o.Class);t.default=c});define("expressions/text_view",["require","exports","tslib","./abstract-item-view","./smart_textarea","dcgview","jquery.handleevent"],function(e,t,n,r,i,o){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var s=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e=this;return o.createElement("div",{class:function(){return{"dcg-do-not-blur":!0,"dcg-expressionitem":!0,"dcg-expressiontext":!0,"dcg-inFolder":!!e.model.folderId,"dcg-selected":!!e.controller.isItemSelected(e.id),"dcg-dragging":!!e.controller.isItemBeingDragged(e.id)}},"expr-id":function(){return e.model.id},onTapStart:this.bindFn(this.onMouseSelect),onTap:this.bindFn(this.onMouseSelect)},o.createElement("div",{class:o.const("dcg-fade-container")},o.createElement("div",{class:o.const("dcg-main")},o.createElement(i.default,{shouldFocus:this.bindFn(this.isFocused),text:function(){return e.model.text},placeholder:function(){return e.controller.t("Enter a note...")},showLinks:function(){return e.controller.areLinksEnabled()},onInput:this.bindFn(this.onInput),onFocusChange:this.bindFn(this.onFocusChange),onSpecialKey:this.bindFn(this.onSpecialKey)})),o.createElement("i",{class:o.const("dcg-icon-remove dcg-top-level-delete"),handleEvent:o.const("true"),onTap:this.bindFn(this.onDelete)})),o.createElement("span",{class:o.const("dcg-tab dcg-action-drag"),handleevent:o.const("true"),tapboundary:o.const("true"),disablescroll:o.const("true"),style:o.const("touch-action:none"),onTapStart:this.bindFn(this.onDragPending)},o.createElement("span",{class:o.const("dcg-num")},function(){return e.model.displayIndex}),o.createElement("div",{class:o.const("dcg-tab-interior")}),o.createElement("i",{class:o.const("dcg-icon-text")})),o.createElement("span",{class:o.const("dcg-exp-actions")},o.createElement("span",{class:o.const("dcg-graphic"),handleEvent:o.const("true ")}),o.createElement("span",{class:o.const("dcg-delete-btn dcg-tooltip"),handleEvent:o.const("true"),tooltip:function(){return e.controller.t("Delete")},onTap:this.bindFn(this.onDelete)},o.createElement("i",{class:o.const("dcg-icon-remove")}))))},t.prototype.onInput=function(e){this.controller.dispatch({type:"set-note-text",id:this.id,text:e})},t.prototype.onFocusChange=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"text",id:this.id}}):this.controller.dispatch({type:"blur-focus-location",location:{type:"text",id:this.id}})},t.prototype.onSpecialKey=function(e){return this.controller.dispatch({type:"on-special-key-pressed",key:e})},t.prototype.isFocused=function(){var e=this.controller.getFocusLocation();return!(!e||"text"!==e.type||e.id!==this.id)},t}(r.default);t.default=s}),define("expressions/tables/table_column_menu_view",["require","exports","tslib","dcgview","expressions/color_menu_view","graphing/dragmode","expressions/styles","expressions/toggle-view"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=r.Components,c=l.For,u=l.If,d=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.template=function(){var e=this;return this.controller=this.props.controller(),this.model=this.props.model(),this.columnId=this.model.id,this.tableModel=this.model.table,this.tableId=this.tableModel.id,r.createElement("div",{class:r.const("dcg-table-column-menu dcg-options-menu")},r.createElement("div",{class:r.const("dcg-triangle")}),r.createElement("div",{class:r.const("dcg-options-menu-column-left")},r.createElement("div",{class:r.const("dcg-options-menu-section")},r.createElement("span",{class:r.const("dcg-toggle-title")},function(){return e.controller.t("Points")}),r.createElement(a.default,{toggled:function(){return e.model.points},onChange:function(){return e.onTogglePoints(!e.model.points)}}),r.createElement(u,{predicate:function(){return e.model.points}},function(){return r.createElement(c,{each:function(){return e.controller.getPointStyles()}},r.createElement("div",{class:r.const("dcg-style-icons")},function(t){return r.createElement("span",{class:function(){var n;return n={},n[e.getPointStyleClass(t)]=!0,n["dcg-table-option"]=!0,n["dcg-graph-icon"]=!0,n["dcg-variable-colorcss"]=!0,n["dcg-selected"]=e.model.pointStyle===t,n},style:function(){return{background:e.model.color,"border-color":e.model.color}},onTap:function(){return e.onPointStyleSelected(t)}})}))})),r.createElement("div",{class:r.const("dcg-options-menu-section")},r.createElement("span",{class:r.const("dcg-toggle-title")},function(){return e.controller.t("Lines")}),r.createElement(a.default,{toggled:function(){return e.model.lines},onChange:function(){return e.onToggleLines(!e.model.lines)}}),r.createElement(u,{predicate:function(){return e.model.lines}},function(){return r.createElement("div",{class:r.const("dcg-line-options")},r.createElement(c,{each:function(){return e.controller.getLineStyles()}},r.createElement("div",{class:r.const("dcg-style-icons")},function(t){return r.createElement("span",{class:function(){var n;return n={},n[e.getLineStyleClass(t)]=!0,n["dcg-table-option"]=!0,n["dcg-graph-icon"]=!0,n["dcg-variable-colorcss"]=!0,n["dcg-selected"]=e.model.lineStyle===t,n},style:function(){return{background:e.model.color,"border-color":e.model.color}},onTap:function(){return e.onLineStyleSelected(t)}})})))})),r.createElement(u,{predicate:function(){return e.model.draggable}},function(){return r.createElement("div",{class:r.const("dcg-drag-div dcg-options-menu-section")},r.createElement("span",{class:r.const("dcg-toggle-title")},function(){return e.controller.t("Drag")}),r.createElement(a.default,{toggled:function(){return e.model.dragMode!==o.NONE},onChange:function(){return e.onToggleDrag()}}),r.createElement(u,{predicate:function(){return e.model.dragMode!==o.NONE}},function(){return r.createElement(c,{each:function(){return e.controller.getUIDragModes()}},r.createElement("div",{class:r.const("dcg-style-icons")},function(t){return r.createElement("span",{class:function(){return{"dcg-dragmode-option":!0,"dcg-graph-icon":!0,"dcg-variable-colorcss":!0,"dcg-selected":e.model.dragMode===t}},style:function(){return{background:e.model.color,"border-color":e.model.color}},mode:e.const(t),onTap:function(){return e.onDragModeSelected(t)}})}))}))})),r.createElement("div",{class:r.const("dcg-options-menu-column-right")},r.createElement("div",{class:r.const("dcg-colors-div dcg-options-menu-section")},r.createElement("div",{class:r.const("dcg-toggle-title")},function(){return e.controller.t("Color")}),r.createElement(i.default,{controller:function(){return e.props.controller()},selectedColor:function(){return e.model.color},onColorSelected:this.bindFn(this.onColorSelected)}))))},t.prototype.getPointStyleClass=function(e){switch(e){case s.CROSS:return"dcg-graph-CROSS";case s.OPEN:return"dcg-graph-OPEN";default:return"dcg-graph-POINT"}},t.prototype.getLineStyleClass=function(e){switch(e){case s.DASHED:return"dcg-graph-DASHED";case s.DOTTED:return"dcg-graph-DOTTED";default:return"dcg-graph-SOLID"}},t.prototype.onColorSelected=function(e){this.controller.dispatch({type:"set-tablecolumn-color",tableId:this.tableId,columnId:this.columnId,color:e})},t.prototype.onTogglePoints=function(e){this.controller.dispatch({type:"set-tablecolumn-points",tableId:this.tableId,columnId:this.columnId,bool:e})},t.prototype.onPointStyleSelected=function(e){this.controller.dispatch({type:"set-tablecolumn-pointstyle",tableId:this.tableId,columnId:this.columnId,pointStyle:e})},t.prototype.onToggleLines=function(e){this.controller.dispatch({type:"set-tablecolumn-lines",tableId:this.tableId,columnId:this.columnId,bool:e})},t.prototype.onLineStyleSelected=function(e){this.controller.dispatch({type:"set-tablecolumn-linestyle",tableId:this.tableId,columnId:this.columnId,lineStyle:e})},t.prototype.onToggleDrag=function(){var e=this.columnId,t=this.tableId,n=this.model.dragMode===o.NONE?o.XY:o.NONE;this.controller.dispatch({type:"set-tablecolumn-dragmode",tableId:t,columnId:e,dragMode:n})},t.prototype.onDragModeSelected=function(e){var t=this.columnId,n=this.tableId;this.model.dragMode!==e&&this.controller.dispatch({type:"set-tablecolumn-dragmode",tableId:n,columnId:t,dragMode:e})},t}(r.Class);t.default=d}),define("expressions/tables/table_icon_view",["require","exports","tslib","dcgview","expressions/abstract_icon_view","./table_column_menu_view","lib/conditional_blur","jquery","jquery.handleevent"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.init=function(){e.prototype.init.call(this),this.model=this.props.model()},t.prototype.template=function(){var e=this;return r.createElement("span",{class:r.const("dcg-icon-box tipsy-sticky dcg-do-not-blur"),handleevent:r.const("true"),disablescroll:r.const("true"),tooltip:function(){return e.model.error?e.controller.unpack(e.model.error):""},onTapStart:this.bindFn(this.handleIconTapStart),onTap:this.bindFn(this.handleIconTap),onLongHold:this.bindFn(this.handleIconLongHold),didMount:this.bindFn(this.didMountRoot)},r.createElement("span",{class:function(){var t;return t={"dcg-icon":!0,"dcg-graph-icon":!0},t[e.getIconClass()]=!0,t},style:function(){return{"border-color":e.model.color,background:e.model.color}}},r.createElement("i",{class:r.const("dcg-icon-hidden")})))},t.prototype.didUpdate=function(){this.__renderCellError(),this.optionsMenu&&this.optionsMenu.update()},t.prototype.didMountRoot=function(e){this.rootElt=e,this.__renderCellError()},t.prototype.__renderCellError=function(){this.rootElt&&a(this.rootElt).closest(".dcg-cell").toggleClass("dcg-error",this.hasStableError())},t.prototype.createOptionsMenuView=function(){var e=this.getOptionsMenuContainerSelector(),t=r.mountToNode(o.default,e[0],{controller:this.props.controller,model:this.props.model});return t},t.prototype.handleIconTap=function(e){if(!e.wasLongheld())return this.optionsShown?void this.hideOptions():void(this.controller.isInEditListMode()?this.toggleOptions():this.toggleGraphShown())},t.prototype.handleIconLongHold=function(){this.optionsShown||this.toggleOptions()},t.prototype.handleIconTapStart=function(e){this.optionsShown||1===e.touches.length&&s.default()},t.prototype.toggleGraphShown=function(){this.hasError()||this.controller.dispatch({type:"toggle-tablecolumn-hidden",tableId:this.model.table.id,columnId:this.model.id})},t.prototype.hasError=function(){return!!this.model.error},t.prototype.getIconClass=function(){return this.hasStableError()?"dcg-error":this.model.error?"":this.model.shouldGraph?this.model.points&&this.model.lines?"dcg-table-points-and-lines":this.model.points?"dcg-table-points":this.model.lines?"dcg-table-lines":"":"dcg-graph-hidden"},t}(i.default);t.default=l}),define("expressions/tables/header-view",["require","exports","browser","tslib","dcgview","./table_icon_view","dcgview-helpers/mathquill-view","underscore","graphing-calc/models/table"],function(e,t,n,r,i,o,s,a,l){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var c=i.Components.If,u=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r.__extends(t,e),t.prototype.init=function(){this.model=this.props.model(),this.controller=this.props.controller(),this.table=this.model.table},t.prototype.isRightSide=function(){var e=this.lookupCellPosition();return e.column>=this.table.columnModels.length-1},t.prototype.template=function(){var e=this;return i.createElement("div",{role:i.const("columnheader"),class:function(){return{"dcg-cell":!0,"dcg-table-header":!0,"dcg-do-not-blur":!0,"dcg-left":0===e.model.index,"dcg-right":e.isRightSide(),"dcg-selected":e.shouldFocus()}},index:function(){return e.model.index},onTapStart:this.bindFn(this.focusThisCell)},i.createElement("div",{class:i.const("dcg-inner-border")}),i.createElement(o.default,{model:this.props.model,controller:this.props.controller}),i.createElement(s.default,{latex:function(){return e.model.latex||""},isFocused:this.bindFn(this.shouldFocus),config:this.const({}),getAriaLabel:this.bindFn(this.getAriaLabel),getAriaPostLabel:this.bindFn(this.getAriaPostLabel),hasError:this.const(!1),onUserPressedKey:function(t,n){return e.handlePressedKey(t,n)},onUserChangedLatex:function(t){return e.handleLatexChanged(t)},onFocusedChanged:function(t){return e.handleMQFocusedChanged(t)},selectOnFocus:this.const(!0)},i.createElement("span",{class:i.const("dcg-math-field dcg-cell-math-content")})),i.createElement("span",{class:i.const("dcg-drag-icon"),"dcg-drag-mode":function(){return e.model.dragMode},style:function(){return{color:e.model.color}}},i.createElement("i",{class:i.const("dcg-icon-move")}),i.createElement("i",{class:i.const("dcg-icon-move-horizontal")}),i.createElement("i",{class:i.const("dcg-icon-move-vertical")})),i.createElement("div",{class:i.const("dcg-empty-line")}),i.createElement(c,{predicate:function(){return e.isRightSide()}},function(){return i.createElement("span",{class:i.const("dcg-fade-right")})}))},t.prototype.focusThisCell=function(e){e.wasHandled()||(e.handle(),this.shouldFocus()||this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}}))},t.prototype.lookupCellPosition=function(){return{row:0,column:this.model.index}},t.prototype.getAriaLabel=function(){var e=this.lookupCellPosition();return this.controller.t("Column header __column__",{column:e.column+1})},t.prototype.getAriaPostLabel=function(){var e="",t=this.model;return t.shouldGraph&&(t.points||t.lines)&&!l.isColumnEmpty(t)&&(e=this.controller.t("Has graph."),e+=n.IS_APPLE?" "+this.controller.t("To audio trace, press OPTION+T."):" "+this.controller.t(" To audio trace, press ALT+T.")),e},t.prototype.handlePressedKey=function(e,t){var n=s.default.getFocusedMathquill();if(n){var r=s.default.handleKeystrokeAndDecideIfSpecialEvent(n,e,t);r?this.controller.dispatch({type:"navigate-table-by-key",id:this.table.id,key:e}):this.handleLatexChanged(n.latex())}},t.prototype.handleLatexChanged=function(e){var t=this.model.latex;
t!==e&&this.controller.dispatch({type:"set-tablecell-latex",tableId:this.table.id,cell:this.lookupCellPosition(),latex:e})},t.prototype.shouldFocus=function(){return a.isEqual(this.lookupCellPosition(),l.getSelectedCell(this.table))},t.prototype.handleMQFocusedChanged=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}}):this.controller.dispatch({type:"blur-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}})},t}(i.Class);t.default=u}),define("expressions/tables/cell-view",["require","exports","keys","tslib","dcgview","dcgview-helpers/mathquill-view","dcgview-helpers/static-mathquill-view","underscore","graphing-calc/models/table"],function(e,t,n,r,i,o,s,a,l){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var c=i.Components.If,u=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r.__extends(t,e),t.prototype.init=function(){this.model=this.props.model(),this.controller=this.props.controller(),this.table=this.model.column.table},t.prototype.template=function(){var e=this;return i.createElement("div",{role:i.const("gridcell"),class:function(){return{"dcg-cell":!0,"dcg-do-not-blur":!0,"dcg-empty":e.isEmpty(),"dcg-non-editable":!!e.model.column.disabled,"dcg-error":!!e.hasError(),"dcg-selected":e.shouldFocus()}},onTapStart:this.bindFn(this.focusThisCell)},i.createElement("div",{class:i.const("dcg-inner-border")}),i.createElement("span",{class:i.const("dcg-error-indicator dcg-do-not-blur tipsy-sticky"),handleevent:i.const("true"),tooltip:this.bindFn(this.getErrorMessage)}),i.createElement(c,{predicate:function(){return!!e.model.column.disabled}},function(){return i.createElement(s.default,{getAriaLabel:e.bindFn(e.getAriaLabel),latex:function(){return e.getValue()}},i.createElement("span",{class:i.const("dcg-math-field dcg-cell-math-content dcg-mathquill-input-span"),tabindex:function(){return e.isEmpty()?-1:0},onKeyDown:e.bindFn(e.handleKeydownOnReadonlyCell),manageFocus:e.const({shouldBeFocused:e.bindFn(e.shouldFocusReadonlyCell),onFocusedChanged:e.bindFn(e.handleFocusedChanged)})}))}),i.createElement(c,{predicate:function(){return!e.model.column.disabled}},function(){return i.createElement(o.default,{latex:function(){return e.getValue()},isFocused:e.bindFn(e.shouldFocusEditableCell),config:e.const({}),getAriaLabel:e.bindFn(e.getAriaLabel),getAriaPostLabel:e.bindFn(e.getErrorMessage),hasError:e.const(!1),onUserPressedKey:function(t,n){return e.handlePressedKey(t,n)},onUserChangedLatex:function(t){return e.handleLatexChanged(t)},onFocusedChanged:function(t){return e.handleFocusedChanged(t)},selectOnFocus:e.const(!0)},i.createElement("span",{class:i.const("dcg-math-field dcg-cell-math-content")}))}),i.createElement("div",{class:i.const("dcg-empty-line")}))},t.prototype.focusThisCell=function(e){e.wasHandled()||(e.handle(),this.shouldFocus()||this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}}))},t.prototype.handlePressedKey=function(e,t){var n=o.default.getFocusedMathquill();if(n){var r=o.default.handleKeystrokeAndDecideIfSpecialEvent(n,e,t);r?this.controller.dispatch({type:"navigate-table-by-key",id:this.table.id,key:e}):this.handleLatexChanged(n.latex())}},t.prototype.handleKeydownOnReadonlyCell=function(e){var t=n.lookup(e);"Tab"!==t&&(e.preventDefault(),t&&this.controller.dispatch({type:"navigate-table-by-key",id:this.table.id,key:t}))},t.prototype.handleLatexChanged=function(e){var t=this.getValue();t!==e&&this.controller.dispatch({type:"set-tablecell-latex",tableId:this.table.id,cell:this.lookupCellPosition(),latex:e})},t.prototype.shouldFocus=function(){return a.isEqual(this.lookupCellPosition(),l.getSelectedCell(this.table))},t.prototype.shouldFocusReadonlyCell=function(){return!!this.model.column.disabled&&this.shouldFocus()},t.prototype.shouldFocusEditableCell=function(){return!this.model.column.disabled&&this.shouldFocus()},t.prototype.handleFocusedChanged=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}}):this.controller.dispatch({type:"blur-focus-location",location:{type:"table",id:this.table.id,location:this.lookupCellPosition()}})},t.prototype.lookupCellPosition=function(){return{row:this.model.row.index,column:this.model.column.index}},t.prototype.getPackedError=function(){return this.model.column.packedErrors[this.model.row.index-1]},t.prototype.hasError=function(){return!!this.getPackedError()},t.prototype.getErrorMessage=function(){var e=this.getPackedError();return e?this.controller.unpack(e):""},t.prototype.getValue=function(){var e=this.model.column.index,t=this.model.row.index-1,n=this.model.column.disabled;return n?this.model.column.computedValues[t]||"":this.table.columns[e].values[t]||""},t.prototype.isEmpty=function(){return""===this.getValue()},t.prototype.getAriaLabel=function(){var e=this.lookupCellPosition(),t=e.row,n=e.column+1;return this.controller.t("Row __row__ Col __column__",{row:t.toString(),column:n.toString()})},t}(i.Class);t.default=u}),define("loadcss!expressions.table",function(){}),define("expressions/table_view",["require","exports","lib/aria","keys","tslib","./abstract-item-view","dcgview","./tables/header-view","./tables/cell-view","lib/conditional_blur","graphing-calc/models/table","vendor/mathquill","jquery","loadcss!expressions.table","jquery.handleevent"],function(e,t,n,r,i,o,s,a,l,c,u,d,p){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var h=s.Components.For,f=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e=this;return s.createElement("div",{class:function(){return{"dcg-expressionitem":!0,"dcg-expressiontable":!0,"dcg-inFolder":!!e.model.folderId,"dcg-selected":!!e.controller.isItemSelected(e.id),"dcg-dragging":!!e.controller.isItemBeingDragged(e.id),"dcg-no-faded-h":e.isRightFocused(),"dcg-no-faded-v":e.isBottomFocused()}},"expr-id":function(){return e.model.id},onTapStart:this.bindFn(this.onMouseSelect),didMount:this.bindFn(this.didMountContainer),onKeydown:this.bindFn(this.onKeydown)},s.createElement("div",{class:s.const("dcg-fade-container dcg-disable-horizontal-scroll-to-cursor")},s.createElement("div",{class:s.const("dcg-main")},s.createElement("div",{class:s.const("dcg-table-container"),didMount:this.bindFn(this.didMountContainer)},s.createElement("div",{class:s.const("dcg-table-sliding-container"),style:function(){return{transform:"translateX("+e.computeScrolledX()+"px)"}}},s.createElement(h,{each:function(){return e.model.rowModels},key:function(e){return e.guid}},s.createElement("div",{role:s.const("grid"),class:function(){return{"dcg-tabledata":!0,"dcg-focus-in-bottom-row":e.isBottomFocused(),"dcg-focus-in-right-column":e.isRightFocused()}}},function(t){return s.createElement(h,{each:function(){return t.cells},key:function(e){return e.guid}},s.createElement("tr",{role:s.const("row"),"aria-rowindex":function(){return t.index},class:s.const("dcg-row")},function(t){return"header"===t.type?s.createElement(a.default,{controller:e.props.controller,model:e.const(t)}):s.createElement(l.default,{controller:e.props.controller,model:e.const(t)})}))}))))),s.createElement("i",{class:s.const("dcg-icon-remove dcg-top-level-delete"),handleEvent:s.const("true"),onTap:this.bindFn(this.onDelete)})),s.createElement("span",{class:s.const("dcg-tab dcg-action-drag"),handleevent:s.const("true"),tapboundary:s.const("true"),disablescroll:s.const("true"),style:s.const("touch-action:none"),onTapStart:this.bindFn(this.onDragPending)},s.createElement("span",{class:s.const("dcg-num")},function(){return e.model.displayIndex}),s.createElement("div",{class:s.const("dcg-tab-interior")})),s.createElement("span",{class:s.const("dcg-exp-actions")},s.createElement("span",{class:s.const("dcg-delete-btn dcg-tooltip"),handleEvent:s.const("true"),tooltip:function(){return e.controller.t("Delete")},onTap:this.bindFn(this.onDelete)},s.createElement("i",{class:s.const("dcg-icon-remove")}))))},t.prototype.didMountContainer=function(e){this.node=e,p(e).on("scroll",function(){return e.scrollLeft=0})},t.prototype.getSelectedCell=function(){return u.getSelectedCell(this.model)},t.prototype.computeScrolledX=function(){if(!this.getSelectedCell()||!this.node)return 0;var e=this.node.children[0],t=this.node.querySelector(".dcg-selected");if(null===e||null===t)return 0;var n=this.node.getBoundingClientRect(),r=t.getBoundingClientRect(),i=r.left-e.getBoundingClientRect().left,o=n.width-i-r.width-80,s=Math.min(0,n.width-e.scrollWidth-30);return o=Math.max(o,s),Math.min(0,o)},t.prototype.onMouseSelect=function(e){"dcg-tap"===e.type&&"mouse"===e.device||"dcg-tapstart"===e.type&&"touch"===e.device||e.wasHandled()||(e.handle(),c.default(),this.controller.dispatch({type:"set-selected-id",id:this.id}))},t.prototype.isBottomFocused=function(){var e=this.getSelectedCell();return!!e&&e.row===this.model.columnModels[0].cells.length},t.prototype.isRightFocused=function(){var e=this.getSelectedCell();return!!e&&e.column===this.model.columnModels.length-1},t.prototype.isFocused=function(){return!!this.getSelectedCell()},t.prototype.onKeydown=function(e){!e.ctrlKey||e.shiftKey||e.altKey||e.metaKey||("Up"===r.lookup(e)?(e.preventDefault(),e.stopPropagation(),this.moveToFirstCellInColumn()):"Down"===r.lookup(e)?(e.preventDefault(),e.stopPropagation(),this.moveToLastCellInColumn()):"Left"===r.lookup(e)?(e.preventDefault(),e.stopPropagation(),this.moveToFirstCellInRow()):"Right"===r.lookup(e)?(e.preventDefault(),e.stopPropagation(),this.moveToLastCellInRow()):"H"===r.lookupChar(e)&&(e.preventDefault(),e.stopPropagation(),this.speakColumnHeader()))},t.prototype.moveToFirstCellInColumn=function(){var e=this.getSelectedCell();e&&this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.id,location:{row:0,column:e.column}}})},t.prototype.moveToLastCellInColumn=function(){var e=this.getSelectedCell();e&&this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.id,location:{row:this.model.rowModels.length-1,column:e.column}}})},t.prototype.moveToFirstCellInRow=function(){var e=this.getSelectedCell();e&&this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.id,location:{row:e.row,column:0}}})},t.prototype.moveToLastCellInRow=function(){var e=this.getSelectedCell();e&&this.controller.dispatch({type:"set-focus-location",location:{type:"table",id:this.id,location:{row:e.row,column:this.model.columnModels[0].cells.length-1}}})},t.prototype.speakColumnHeader=function(){var e=this.controller.t("No column header"),t=this.getSelectedCell();if(t){var r=this.model.rowModels[0].cells[t.column];if(r&&"header"===r.type&&r.latex&&""!==r.latex){var i=d.MQ.StaticMath(p("<span>"+r.latex+"</span>")[0]);e=i.mathspeak()}}n.alert(e)},t}(o.default);t.default=f}),define("loadcss!folder",function(){}),define("expressions/folder_view",["require","exports","lib/aria","keys","browser","tslib","./abstract-item-view","./smart_textarea","dcgview","jquery.handleevent","loadcss!folder"],function(e,t,n,r,i,o,s,a,l){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var c=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e=this;return l.createElement("div",{class:function(){return{"dcg-do-not-blur":!0,"dcg-expressionitem":!0,"dcg-expressionfolder":!0,"dcg-inFolder":!!e.model.folderId,"dcg-selected":e.controller.isItemSelected(e.id),"dcg-dragging":!!e.controller.isItemBeingDragged(e.id),"dcg-collapsed":!!e.model.collapsed,"dcg-hidden":!!e.model.hidden,"dcg-has-items":e.controller.getNumberOfItemsInFolder(e.id)>0,"dcg-secretFolder":e.model.secret&&!e.controller.canAdministerSecretFolders()}},"expr-id":function(){return e.model.id},onTapStart:this.bindFn(this.onMouseSelect),onTap:this.bindFn(this.onMouseSelect)},l.createElement("div",{class:l.const("dcg-fade-container")},l.createElement("div",{class:l.const("dcg-main")},l.createElement("div",{role:l.const("button"),tabindex:l.const("0"),"aria-pressed":function(){return e.model.collapsed},"aria-label":function(){return e.controller.t("Collapse Folder")},class:l.const("dcg-caret-container dcg-action-toggle-folder-collapsed dcg-do-not-blur"),handleEvent:l.const("true"),onTap:this.bindFn(this.toggleCollapsed)},l.createElement("i",{class:l.const("dcg-icon-caret-down")})),l.createElement(a.default,{shouldFocus:this.bindFn(this.isFocused),text:function(){return e.model.title},placeholder:function(){return e.controller.t("Enter a note...")},showLinks:function(){return e.controller.areLinksEnabled()},onInput:this.bindFn(this.onInput),onFocusChange:this.bindFn(this.onFocusChange),onSpecialKey:this.bindFn(this.onSpecialKey),ariaLabel:this.bindFn(this.getAriaLabel)}),l.createElement("div",{role:l.const("checkbox"),"aria-checked":function(){return e.model.secret},"aria-label":function(){return e.controller.t("Hide this folder from students")},class:function(){return{"dcg-action-toggle-secret-folder":!0,"dcg-do-not-blur":!0,"dcg-checked":e.model.secret}},style:function(){return{display:e.controller.canAdministerSecretFolders()?void 0:"none"}},handleEvent:l.const("true"),onTap:this.bindFn(this.toggleSecret)},l.createElement("span",{class:l.const("dcg-checkbox-box")},l.createElement("i",{class:l.const("dcg-icon-check")})),l.createElement("span",{class:l.const("dcg-checkbox-label")},function(){return e.controller.t("Hide this folder from students.")}))),l.createElement("i",{class:l.const("dcg-icon-remove dcg-top-level-delete"),handleEvent:l.const("true"),onTap:this.bindFn(this.onDelete)})),l.createElement("span",{class:l.const("dcg-tab dcg-action-drag"),handleevent:l.const("true"),tapboundary:l.const("true"),disablescroll:l.const("true"),style:l.const("touch-action:none"),onTapStart:this.bindFn(this.onDragPending)},l.createElement("span",{class:l.const("dcg-num")},function(){return e.model.displayIndex}),l.createElement("div",{class:l.const("dcg-tab-interior")}),l.createElement("div",{class:l.const("dcg-tab-interior")},l.createElement("span",{role:l.const("button"),tabindex:l.const("0"),"aria-pressed":function(){return!!e.model.hidden},"aria-label":function(){return e.controller.t("Hide Folder")},class:l.const("dcg-action-toggle-folder-hidden dcg-graph-icon dcg-folder dcg-icon"),onTap:this.bindFn(this.toggleHidden)},l.createElement("i",{class:l.const("dcg-icon-hidden")}),l.createElement("i",{class:l.const("dcg-icon-folder")})))),l.createElement("span",{class:l.const("dcg-exp-actions")},l.createElement("span",{class:l.const("dcg-graphic"),handleEvent:l.const("true ")}),l.createElement("span",{class:l.const("dcg-delete-btn dcg-tooltip"),onTap:this.bindFn(this.onDelete),handleEvent:l.const("true"),tooltip:function(){return e.controller.t("Delete")}},l.createElement("i",{class:l.const("dcg-icon-remove")}))))},t.prototype.toggleHidden=function(){this.controller.dispatch({type:"toggle-item-hidden",id:this.id})},t.prototype.toggleSecret=function(){this.controller.dispatch({type:"set-item-secret",id:this.id,isSecret:!this.model.secret})},t.prototype.toggleCollapsed=function(){this.controller.dispatch({type:"set-folder-collapsed",id:this.id,isCollapsed:!this.model.collapsed})},t.prototype.onInput=function(e){this.controller.dispatch({type:"set-folder-title",id:this.id,title:e})},t.prototype.onFocusChange=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"folder",id:this.id}}):this.controller.dispatch({type:"blur-focus-location",location:{type:"folder",id:this.id}})},t.prototype.onSpecialKey=function(e){return this.controller.dispatch({type:"on-special-key-pressed",key:e})},t.prototype.onKeydown=function(e){var t=e.altKey&&!e.metaKey&&!e.ctrlKey&&!e.shiftKey,o=e.metaKey&&!e.altKey&&!e.shiftKey&&!e.ctrlKey,s=i.IS_APPLE?o:t;s&&r.lookup(e)===r.UP&&(e.preventDefault(),e.stopPropagation(),this.controller.dispatch({type:"set-folder-collapsed",id:this.id,isCollapsed:!this.model.collapsed}),this.model.collapsed?n.alert(this.controller.t("folder collapsed")):n.alert(this.controller.t("folder expanded")))},t.prototype.isFocused=function(){var e=this.controller.getFocusLocation();return!(!e||"folder"!==e.type||e.id!==this.id)},t.prototype.getAriaLabel=function(){var e="",t="";this.model.hidden||this.model.collapsed||this.model.secret?!this.model.hidden||this.model.collapsed||this.model.secret?this.model.hidden||!this.model.collapsed||this.model.secret?this.model.hidden||this.model.collapsed||!this.model.secret?this.model.hidden&&this.model.collapsed&&!this.model.secret?t=this.controller.t("Hidden Collapsed Folder"):this.model.hidden&&!this.model.collapsed&&this.model.secret?t=this.controller.t("Hidden 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this.controller=this.props.controller(),this.model=this.props.model(),this.id=this.model.id,r.createElement("div",{class:r.const("dcg-exp-options-menu dcg-image-options-menu dcg-options-menu")},r.createElement("div",{class:r.const("dcg-triangle")}),r.createElement("div",{class:r.const("dcg-opacities-menu dcg-dividing-line-after")},r.createElement("div",{class:r.const("dcg-title")},function(){return e.controller.t("Opacity")}),r.createElement(o,{each:function(){return e.controller.getImageOpacities()}},r.createElement("div",{class:r.const("dcg-opacities-menu")},function(t){return r.createElement("span",{class:function(){return{"dcg-opacity-option":!0,"dcg-graph-icon":!0,"dcg-selected":e.model.opacity===t}},"image-opacity":e.const(t),handleevent:r.const("true")},r.createElement("span",{class:r.const("dcg-image-thumb"),style:function(){return{"background-image":"url("+encodeURI(e.model.image_url)+")",opacity:t}},onTap:function(){return 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t=this;this.rootElt=e,s(e).closest(".dcg-action-icon-mouse").on("dcg-tap",function(e){t.handleIconTapped(e,"mouse")}),s(e).closest(".dcg-action-icon-touch").on("dcg-tap",function(e){t.handleIconTapped(e,"touch")}),s(e).closest(".dcg-action-icon-mouse").on("dcg-longhold",function(e){t.handleIconLongHold(e,"mouse")}),s(e).closest(".dcg-action-icon-touch").on("dcg-longhold",function(e){t.handleIconLongHold(e,"touch")})},t.prototype.createOptionsMenuView=function(){var e=this.getOptionsMenuContainerSelector(),t=r.mountToNode(o.default,e[0],{controller:this.props.controller,model:this.props.model});return t},t.prototype.hasError=function(){return!!this.model.error},t.prototype.getBackgroundImage=function(){return"failed"===this.model.loadStatus?"none":this.model.image_url===this.lastURL?this.lastEncodedURL:(this.lastURL=this.model.image_url,this.lastEncodedURL="url("+encodeURI(this.model.image_url)+")",this.lastEncodedURL)},t.prototype.handleIconLongHold=function(e,t){e.device===t&&(e.handle("dcg-longhold"),this.toggleOptions())},t.prototype.handleIconTapped=function(e,t){if(!e.wasHandled("dragdrop")&&!e.wasLongheld()&&e.device===t){if(this.optionsShown)return this.toggleOptions(),!1;if(this.controller.isInEditListMode())this.toggleOptions();else{if(this.hasStableError())return;this.controller.dispatch({type:"toggle-item-hidden",id:this.model.id})}return!0}},t.prototype.getIconClass=function(){return"loading"===this.model.loadStatus?"dcg-loading-image":"failed"===this.model.loadStatus?"dcg-failed-image":this.hasStableError()?"dcg-error":this.model.shouldGraph?"":"dcg-hidden"},t}(i.default);t.default=a}),define("expressions/image_view",["require","exports","tslib","./abstract-item-view","./smart_textarea","dcgview","dcgview-helpers/mathquill-view","lib/conditional_blur","expressions/promptslider_view","./image_icon_view","graphing-calc/models/image","jquery.handleevent","loadcss!expressions.image"],function(e,t,n,r,i,o,s,a,l,c,u){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var d=o.Components,p=d.If,h=d.Switch,f=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return 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t=this.props.name();e?this.props.focusedInput()!==t&&this.props.controller().dispatch({type:"set-focus-location",location:{type:"image",id:this.props.model().id,location:t}}):this.props.controller().dispatch({type:"blur-focus-location",location:{type:"image",id:this.props.model().id,location:t}})},t}(o.Class),g=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e=this;return o.createElement("div",{class:function(){return{"dcg-do-not-blur":!0,"dcg-expressionitem":!0,"dcg-expressionimage":!0,"dcg-inFolder":!!e.model.folderId,"dcg-selected":e.controller.isItemSelected(e.id),"dcg-dragging":!!e.controller.isItemBeingDragged(e.id),"dcg-input-focused":e.getFocusedInput()&&"name"!==e.getFocusedInput()}},"expr-id":function(){return e.model.id},onTapStart:this.bindFn(this.onMouseSelect),onTap:this.bindFn(this.onMouseSelect)},o.createElement("div",{class:o.const("dcg-fade-container")},o.createElement("div",{class:o.const("dcg-main")},o.createElement(h,{key:function(){return e.model.loadStatus}},function(t){switch(t){case"failed":return o.createElement("div",null,o.createElement("div",{class:o.const("dcg-image-failed")},function(){return e.controller.t("Failed to load image.")}),o.createElement("div",{role:o.const("button"),tabindex:o.const(0),class:o.const("dcg-retry-loading-image"),onTap:e.bindFn(e.onRetryLoad)},function(){return e.controller.t("Retry.")}));case"loading":return o.createElement("div",null,o.createElement("div",{class:o.const("dcg-image-loading")},function(){return e.controller.t("Loading image...")}),o.createElement("div",{role:o.const("button"),tabindex:o.const(0),class:o.const("dcg-retry-loading-image"),onTap:e.bindFn(e.onRetryLoad)},function(){return e.controller.t("Retry.")}));case"loaded":return o.createElement("div",{class:o.const("dcg-image-loaded")},o.createElement(i.default,{shouldFocus:function(){return"name"===e.getFocusedInput()},text:function(){return e.model.name},placeholder:function(){return e.controller.t("Enter a note...")},showLinks:function(){return e.controller.areLinksEnabled()},onInput:e.bindFn(e.onNameInput),onFocusChange:e.bindFn(e.onNameFocusChange),onSpecialKey:e.bindFn(e.onNameSpecialKey)}),o.createElement("div",{class:o.const("dcg-do-blur dcg-image-input-grid"),handleEvent:o.const("true")},o.createElement("div",{class:o.const("dcg-image-input-name")},function(){return e.controller.t("Center:")}),o.createElement(f,{name:e.const("center"),controller:function(){return e.controller},model:function(){return e.model},focusedInput:e.bindFn(e.getFocusedInput)}),o.createElement("div",{class:o.const("dcg-image-input-name")},function(){return e.controller.t("Width:")}),o.createElement(f,{name:e.const("width"),controller:function(){return e.controller},model:function(){return e.model},focusedInput:e.bindFn(e.getFocusedInput)}),o.createElement("div",{class:o.const("dcg-image-input-name")},function(){return e.controller.t("Angle:")}),o.createElement(f,{name:e.const("angle"),controller:function(){return e.controller},model:function(){return e.model},focusedInput:e.bindFn(e.getFocusedInput)}),o.createElement("div",{class:o.const("dcg-image-input-name")},function(){return e.controller.t("Height:")}),o.createElement(f,{name:e.const("height"),controller:function(){return e.controller},model:function(){return e.model},focusedInput:e.bindFn(e.getFocusedInput)})));default:var n=t;return n}})),o.createElement("span",{class:o.const("dcg-fadeout")}),o.createElement("i",{class:o.const("dcg-icon-remove dcg-top-level-delete"),handleEvent:o.const("true"),onTap:this.bindFn(this.onDelete)}),o.createElement(p,{predicate:function(){return e.getVariables().length>0}},function(){return o.createElement("div",{class:e.getFooterClass()},o.createElement(l.default,{model:e.props.model,controller:e.props.controller,variables:e.bindFn(e.getVariables),onCreateSliders:e.bindFn(e.onCreateSliders)}))})),o.createElement("span",{class:o.const("dcg-tab dcg-action-drag dcg-action-icon-touch"),handleevent:o.const("true"),tapboundary:o.const("true"),disablescroll:o.const("true"),style:o.const("touch-action:none"),onTapStart:this.bindFn(this.onDragPending)},o.createElement("span",{class:o.const("dcg-num")},function(){return e.model.displayIndex}),o.createElement("div",{class:o.const("dcg-tab-interior dcg-action-icon-mouse")},o.createElement(c.default,{model:this.props.model,controller:this.props.controller}))),o.createElement("span",{class:o.const("dcg-exp-actions")},o.createElement("span",{class:o.const("dcg-graphic"),handleEvent:o.const("true 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this.model.formula&&this.model.formula.variables||[]},t.prototype.onCreateSliders=function(e){this.controller.dispatch({type:"create-sliders-for-item",id:this.id,variables:e})},t.prototype.onNameInput=function(e){this.controller.dispatch({type:"set-image-name",id:this.id,name:e})},t.prototype.onNameFocusChange=function(e){e?this.controller.dispatch({type:"set-focus-location",location:{type:"image",id:this.id,location:"name"}}):"name"===this.getFocusedInput()&&this.controller.dispatch({type:"blur-focus-location",location:{type:"image",id:this.id,location:"name"}})},t.prototype.onNameSpecialKey=function(e){return this.controller.dispatch({type:"on-special-key-pressed",key:e})},t.prototype.getFocusedInput=function(){var e=this.controller.getFocusLocation();if(e&&"image"===e.type&&e.id===this.model.id)return e.location},t.prototype.onRetryLoad=function(){this.controller.dispatch({type:"image-retry-loading",id:this.id})},t}(r.default);t.default=g}),define("expressions/shell_view",["require","exports","tslib","dcgview","./abstract-item-view"],function(e,t,n,r,i){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var o=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.didMount=function(){this.onItemViewMounted()},t.prototype.willUnmount=function(){this.onItemViewUnmounted()},t.prototype.template=function(){var e="";return this.model.cachedRenderHeight&&(e="height:"+this.model.cachedRenderHeight+"px"),r.createElement("div",{class:r.const("dcg-do-not-blur dcg-expressionitem dcg-shell"),"expr-id":this.const(this.model.id),onTap:this.bindFn(this.onMouseSelect),style:r.const(e)})},t}(i.default);t.default=o}),define("expressions/drag_container_view",["require","exports","tslib","dcgview"],function(e,t,n,r){"use 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dcg-action-newmath"),onTap:this.bindFn(this.newMath)},r.createElement("div",{class:r.const("dcg-new-expression-fade")})),r.createElement("span",{class:r.const("dcg-tab")},r.createElement("span",{class:r.const("dcg-num dcg-variable-index")},this.bindFn(this.getIndex)),r.createElement("div",{class:r.const("dcg-tab-interior")})))},t.prototype.getIndex=function(){return this.controller.getNextDisplayIndex()},t.prototype.newMath=function(){this.controller.dispatch({type:"new-expression-at-end"})},t}(r.Class);t.default=i}),define("loadcss!add_expression",function(){}),define("expressions/add_expression_view",["require","exports","keys","browser","tslib","dcgview","jquery","loadcss!add_expression"],function(e,t,n,r,i,o,s){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=o.Components.If,l=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return i.__extends(t,e),t.prototype.template=function(){var e=this;return this.controller=this.props.controller(),o.createElement("div",{class:o.const("dcg-add-expression-container dcg-pull-left")},o.createElement("span",{class:function(){return{"dcg-btn":!0,"dcg-btn-light-gray":!0,"dcg-hide-in-edit":!0,"dcg-add-expression-btn":!0,"dcg-action-add-expression":!0,"dcg-tooltip":!0,"dcg-do-blur":!0,"dcg-active":e.controller.isAddExpressionOpen(),"dcg-uploading-images":e.controller.isUploadingImages()}},handleEvent:o.const("true"),tooltip:function(){return e.controller.t("Add Item")},role:o.const("button"),tabindex:o.const("0"),"aria-haspopup":o.const("true"),"aria-expanded":function(){return e.controller.isAddExpressionOpen()},"aria-label":function(){return e.controller.t("Add Item")},onTap:this.bindFn(this.toggleAddExpression),didMount:this.bindFn(this.didMountToggleButton)},o.createElement("i",{class:o.const("dcg-icon-plus")}),o.createElement("i",{class:o.const("dcg-icon-caret-down")})),o.createElement(a,{predicate:function(){return e.controller.isAddExpressionOpen()}},function(){return o.createElement("div",{class:function(){return{"dcg-add-expression-dropdown":!0,"dcg-popover":!0,"dcg-bottom":!e.controller.isNarrow(),"dcg-right":e.controller.isNarrow()}},role:o.const("complementary"),"aria-label":o.const("Add Item Menu"),didMount:e.bindFn(e.didMountPopover),didUnmount:e.bindFn(e.didUnmountPopover)},o.createElement("div",{class:o.const("dcg-popover-interior")},o.createElement("div",{class:o.const("dcg-new-item dcg-do-not-blur dcg-action-newexpression"),role:o.const("button"),tabindex:o.const(0),"aria-label":function(){return e.controller.t("Add Expression")},didMount:e.bindFn(e.didMountNewExpression),onTap:e.bindFn(e.newExpression),handleEvent:o.const("true")},o.createElement("i",{class:o.const("dcg-icon-new-expression dcg-expression-icon")}),function(){return e.controller.t("expression")}),o.createElement(a,{predicate:function(){return e.controller.areNotesEnabled()}},function(){return o.createElement("div",{class:o.const("dcg-new-item dcg-do-not-blur dcg-action-newtext"),role:o.const("button"),tabindex:o.const(0),"aria-label":function(){return e.controller.t("Add Note")},onTap:e.bindFn(e.newText),handleEvent:o.const("true")},o.createElement("i",{class:o.const("dcg-icon-new-text dcg-expression-icon")}),function(){return e.controller.t("note")})}),o.createElement("div",{class:o.const("dcg-new-item dcg-do-not-blur dcg-action-newtable"),role:o.const("button"),tabindex:o.const(0),"aria-label":function(){return e.controller.t("Add Table")},onTap:e.bindFn(e.newTable),handleEvent:o.const("true")},o.createElement("i",{class:o.const("dcg-icon-new-table dcg-expression-icon")}),function(){return e.controller.t("table")}),o.createElement(a,{predicate:function(){return e.controller.areFoldersEnabled()}},function(){return o.createElement("div",{class:o.const("dcg-new-item dcg-do-not-blur 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e.preventDefault()})},t.prototype.didMountFileInput=function(e){var t=this;this.fileInputNode=e,s(e).on("change",function(){t.insertFiles(e.files),s(e).val("")})},t.prototype.didMountToggleButton=function(e){this.toggleButtonNode=e},t.prototype.didMountNewExpression=function(e){this.controller.getAddExpressionViewModel().focusOnOpen&&s(e).focus()},t.prototype.didUnmountPopover=function(){s(document).off(".add-expression-view")},t.prototype.toggleAddExpression=function(e){this.controller.dispatch({type:"toggle-add-expression",focusOnOpen:"keyboard"===e.device})},t.prototype.newExpression=function(){this.controller.dispatch({type:"new-expression"})},t.prototype.newText=function(){this.controller.dispatch({type:"new-text"})},t.prototype.newFolder=function(){this.controller.dispatch({type:"new-folder"})},t.prototype.newTable=function(){this.controller.dispatch({type:"new-table"})},t.prototype.newImage=function(){this.fileInputNode.click()},t.prototype.insertFiles=function(e){this.controller.dispatch({type:"new-images",files:e})},t.prototype.eventShouldClosePopover=function(e){var t=!!s(e.target).closest(this.popoverNode).length,n=!!s(e.target).closest(this.toggleButtonNode).length;return!(t||n)},t}(o.Class);t.default=l}),define("main/load-graph-from-link",["require","exports","jquery"],function(e,t,n){"use strict";function r(e,t,r){var i=!1;e.dispatch({type:"toast/show",toast:{message:e.t("Importing graph..."),hideAfter:0,toastStyle:"cover",onHide:function(){i=!0}}});var o=e.getState(),s=function(){i||e.dispatch({type:"toast/show",toast:{message:e.t("Error importing graph. Check the URL?"),toastStyle:"error",hideAfter:12e3}})},a=function(t){i||(e.dispatch({type:"set-state",state:t}),e.dispatch({type:"toast/show",toast:{message:e.t("Graph imported!"),undoCallback:function(){e.dispatch({type:"set-state",state:o})}}}))};n.getJSON(t).done(function(e){r(e.state,function(e,t){e||!t?s():a(t)})}).fail(s)}Object.defineProperty(t,"__esModule",{value:!0}),t.default=r}),define("lib/get-clipboard-data",["require","exports"],function(e,t){"use strict";function n(e){return window.clipboardData&&window.clipboardData.getData?window.clipboardData.getData("Text"):e.clipboardData&&e.clipboardData.getData?e.clipboardData.getData("text/plain"):void 0}Object.defineProperty(t,"__esModule",{value:!0}),t.default=n}),define("loadcss!expressions/exp-list-resizer",function(){}),define("expressions/exp-list-resizer",["require","exports","tslib","dcgview","jquery","underscore","loadcss!./exp-list-resizer"],function(e,t,n,r,i,o){"use 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n=e.changedTouches[0].clientX-t.initialLeft+t.initialWidth;t.props.controller().dispatch({type:"resize-exp-list",expListWidth:n})}}),i(document).on("dcg-tapend."+this.guid,this.bindFn(this.onTapEnd)),i(document).on("dcg-tapcancel."+this.guid,this.bindFn(this.onTapEnd))},t.prototype.onTapEnd=function(){i(document).off("."+this.guid),this.initialLeft=void 0,this.initialWidth=void 0},t}(r.Class);t.ExpListResizer=a}),define("main/disable-dragdrop-events",["require","exports"],function(e,t){"use strict";function n(e,t){var n="drag dragend dragenter dragover dragleave drop";t&&(n=n.split(" ").map(function(e){return e+"."+t}).join(" 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strict";Object.defineProperty(t,"__esModule",{value:!0});var I=o.Components,M=I.If,k=I.For,C=I.Switch,P=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.guid=a.uniqueId("listView"),t.__onScrollScheduled=!1,t}return i.__extends(t,e),t.prototype.init=function(){this.controller=this.props.controller(),this.$root=this.props.$root()},t.prototype.template=function(){var e=this;return o.createElement("div",{didMount:this.bindFn(this.didMountContainer)},o.createElement("div",{class:o.const("dcg-exppanel-outer"),didMount:this.bindFn(this.didMountExppanelOuter),onDrop:this.bindFn(this.onDrop),style:function(){return e.computeExppanelOuterStyle()}},o.createElement("div",{class:o.const("dcg-exppanel-container dcg-do-animate"),style:function(){return{width:e.controller.getExpListWidthString()}}},o.createElement("div",{class:o.const("dcg-drop-image")},o.createElement("span",null,function(){return e.controller.t("Drop Image 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w.getDisplayState(t)}},function(n){switch(n){case"shell":return e.makeShellViewForModel(t);case"render":return e.makeViewForModel(t);default:return}})})),o.createElement(y.default,{controller:function(){return e.props.controller()}}),o.createElement(C,{key:function(){return e.controller.getDraggedItemId()}},function(t){if(t){var n=e.controller.getItemModel(t);return o.createElement(g.default,{controller:e.props.controller},e.makeDragCopyViewForModel(n))}}),o.createElement("div",{class:o.const("dcg-expressions-branding"),style:function(){return{opacity:e.controller.isKeypadOpen()?0:1}}},o.createElement(M,{predicate:function(){return e.controller.canEditOnWeb()}},function(){return o.createElement("span",{class:o.const("dcg-edit-branding")},o.createElement("div",{class:o.const("dcg-powered-by"),"aria-label":function(){return e.controller.t("Edit graph on Desmos")}},function(){return e.controller.t("edit graph 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e.controller.dispatch({type:"redo"})},"aria-disabled":function(){return!e.controller.canRedo()}},o.createElement("i",{class:o.const("dcg-icon-redo")}))),o.createElement("span",{class:o.const("dcg-offcenter-aligned dcg-hide-in-edit dcg-hide-in-edit")},o.createElement("span",{class:function(){return{"dcg-action-undo":!0,"dcg-tooltip":e.controller.canUndo(),"dcg-enabled":e.controller.canUndo()}},tooltip:function(){return e.controller.t("Undo (ctrl+z)")},role:o.const("button"),tabindex:o.const("0"),"aria-label":function(){return e.controller.t("Undo")},onTap:function(){return e.controller.dispatch({type:"undo"})},"aria-disabled":function(){return!e.controller.canUndo()}},o.createElement("i",{class:o.const("dcg-icon-undo")})),o.createElement("span",{class:function(){return{"dcg-action-redo":!0,"dcg-tooltip":e.controller.canRedo(),"dcg-enabled":e.controller.canRedo()}},tooltip:function(){return e.controller.t("Redo 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e.controller.t("Show List")},onTap:function(){return e.controller.dispatch({type:"show-expressions-list"})}},o.createElement("i",{class:o.const("dcg-icon-show")}))),o.createElement("div",{role:o.const("button"),"aria-label":function(){return e.controller.t("Open Graph")},class:o.const("dcg-graphpaper-opendrawer dcg-action-opendrawer"),onTap:function(){return e.controller.dispatch({type:"open-drawer"})}},o.createElement("i",{class:o.const("dcg-icon-hamburger")})),o.createElement("div",{class:o.const("dcg-options-menu-container")}))},t.prototype.makeShellViewForModel=function(e){return o.createElement(f.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(){},isDragCopy:function(){return!1}})},t.prototype.computeExppanelOuterStyle=function(){this.getListBottomAndUpdateLastExpressionPadding();var e=this.controller.computeMajorLayout().list,t=0,n=e.top;return e.top>0&&!this.controller.isListVisible()&&(n-=e.height),{position:"absolute",left:t+"px",top:n+"px",width:e.width+"px",height:e.height+"px"}},t.prototype.makeDragCopyViewForModel=function(e){return this.makeViewForModel(e,!0)},t.prototype.makeViewForModel=function(e,t){var n=this;void 0===t&&(t=!1);var r;if("table"===e.type)r=o.createElement(d.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(t){return n.onDragPending(t,e.id)},isDragCopy:function(){return t}});else if("folder"===e.type)r=o.createElement(p.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(t){return n.onDragPending(t,e.id)},isDragCopy:function(){return t}});else if("text"===e.type)r=o.createElement(u.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(t){return n.onDragPending(t,e.id)},isDragCopy:function(){return t}});else if("image"===e.type)r=o.createElement(h.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(t){return n.onDragPending(t,e.id)},isDragCopy:function(){return t}});else{if("expression"!==e.type)return;r=o.createElement(c.default,{controller:this.props.controller,model:function(){return e},onDragPending:function(t){return n.onDragPending(t,e.id)},isDragCopy:function(){return t}})}return r},t.prototype.didUpdate=function(){this.renderEditListMode()},t.prototype.didUnmount=function(){this.$root.off("."+this.guid),s(document.documentElement).off("."+this.guid)},t.prototype._onScroll=function(){var e=s(this.exppanel).scrollTop()>0;s(this.expressionTopBar).toggleClass("dcg-expressions-scrolled",e)},t.prototype.onScroll=function(){var e=this;this.__onScrollScheduled||(this.__onScrollScheduled=!0,_.requestAnimationFrame(function(){e._onScroll(),e.__onScrollScheduled=!1}))},t.prototype.didMountContainer=function(e){this.node=e,s(document.documentElement).on("keydown."+this.guid,this.bindFn(this.handleKeyDown)),this.setupDragDrop()},t.prototype.didMountExppanelOuter=function(e){s(e).tipsy({fade:"fast",title:"tooltip",wait:500,delegate:".dcg-tooltip"})},t.prototype.didMountExppanel=function(e){this.exppanel=e},t.prototype.didMountExpressionTopBar=function(e){this.expressionTopBar=e},t.prototype.setupDragDrop=function(){function e(){n.removeClass("dcg-filedraggedover"),r=s(),n.off(".filedraggedover")}var t=this,n=this.$root;S.default(n,this.guid);var r=s();n.on("dragenter."+this.guid,function(i){t.controller.areImagesEnabled()&&(0===r.length&&(n.addClass("dcg-filedraggedover"),n.on("dcg-tapstart.filedraggedover",e)),r=r.add(i.target))}).on("dragleave."+this.guid,function(t){r=r.not(t.target),0===r.length&&e()}).on("drop."+this.guid,e)},t.prototype.clearSelectionOnMobile=function(e){e.wasHandled()||this.controller.dispatch({type:"set-none-selected"})},t.prototype.getListBottomAndUpdateLastExpressionPadding=function(){var e=this.controller.getKeypadHeight(),t=this.__listBottom||0;return this.__listBottom=e,0===e&&0!==t&&n.isTapActive()&&this.padLastExpressionUntilTapEnd(t),e},t.prototype.padLastExpression=function(e){var t=s(this.node).find(".dcg-expressionitem.dcg-new-expression");t.css("margin-bottom",e+"px")},t.prototype.unpadLastExpression=function(){var e=s(this.node).find(".dcg-expressionitem.dcg-new-expression");e.css("margin-bottom","0")},t.prototype.padLastExpressionUntilTapEnd=function(e){var t=this;this.padLastExpression(e),s(document).on("dcg-tap.animating-bottom",function(){t.unpadLastExpression(),s(document).off("dcg-tap.animating-bottom")})},t.prototype.handleKeyDown=function(e){if(!this.controller.inAudioTraceMode()&&!s.contains(document.body,document.activeElement)&&!s(e.target).closest(this.exppanel).length&&s.contains(document.documentElement,e.target)){var t=this.controller.getSelectedItem();if(t){var n=r.lookup(e);switch(n){case r.UP:e.preventDefault(),this.controller.dispatch({type:"select-previous-expression"});break;case r.DOWN:e.preventDefault(),this.controller.dispatch({type:"select-next-expression"});break;case r.ESCAPE:e.preventDefault(),this.controller.dispatch({type:"set-none-selected"});break;case r.RIGHT:case r.TAB:e.preventDefault(),t&&this.controller.dispatch({type:"move-focus-to-item",id:t.id,where:"start"});break;case r.LEFT:e.preventDefault(),t&&this.controller.dispatch({type:"move-focus-to-item",id:t.id,where:"end"});break;case r.BACKSPACE:e.preventDefault(),t&&this.controller.dispatch({type:"upward-delete-selected-expression"});break;case r.DELETE:e.preventDefault(),t&&this.controller.dispatch({type:"downward-delete-selected-expression"});break;case r.ENTER:e.preventDefault(),t&&this.controller.dispatch({type:"on-special-key-pressed",key:"Enter"});break;default:if(e.metaKey||e.ctrlKey||n===r.SHIFT||n===r.SPACEBAR)return;t&&("table"===t.type||this.controller.dispatch({type:"move-focus-to-item",id:t.id,where:"end"}))}}}},t.prototype.renderEditListMode=function(){var e=this,t=this.$root,n=this;t.hasClass("dcg-EDIT-LIST-MODE")!==this.controller.isInEditListMode()&&(this.controller.isInEditListMode()?(t.addClass("dcg-EDIT-LIST-MODE"),s(document).on("dcg-tapstart.edit-list-mode",function(t){0===s(t.target).closest(e.exppanel).length&&0===s(t.target).closest(".dcg-options-menu").length&&0===s(t.target).closest(e.expressionTopBar).length&&0===s(t.target).closest(".dcg-keypad").length&&n.controller.dispatch({type:"set-edit-list-mode",isEditListMode:!1})})):(t.removeClass("dcg-EDIT-LIST-MODE"),s(document).off(".edit-list-mode")))},t.prototype.onDragPending=function(e,t){var n=this;e.preventDefault(),l.default();var r=e.touches[0].clientY,i=r,o=setTimeout(function(){s(document).off(".dragpending"),n.onDragStart(e,t,r,i)},500);s(document).on("dcg-tapmove.dragpending",function(a){i=a.touches[0].clientY,Math.abs(i-r)>3&&(clearTimeout(o),s(document).off(".dragpending"),n.onDragStart(e,t,r,i))}),s(document).on("dcg-tapend.dragpending",function(){clearTimeout(o),s(document).off(".dragpending")})},t.prototype.onDragStart=function(e,t,n,r){1===e.touches.length&&(e.wasHandled("dcg-longhold")||this.controller.dispatch({type:"start-dragdrop",id:t,grabY:n,mouseY:r}))},t.prototype.onExppanelTapstart=function(e){"mouse"!==e.device&&0===s(e.target).closest(".dcg-expressionitem").length&&l.default()},t.prototype.onPaste=function(e){var t=this.controller.getGraphSettings().config,n=this.controller.getSelectedItem();if(!n||"text"!==n.type&&"folder"!==n.type){var r=x.default(e);if(r){var 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r.createElement("div",{class:r.const("dcg-graphpaper-branding")},r.createElement("span",{class:r.const("dcg-edit-branding")},r.createElement("span",{class:r.const("dcg-powered-by"),"aria-label":function(){return e.controller.t("Edit graph on Desmos")}},function(){return e.controller.t("edit graph on")}),r.createElement("i",{class:r.const("dcg-icon-desmos")})));case"powered-by":return r.createElement("div",{class:r.const("dcg-graphpaper-branding dcg-unclickable")},r.createElement("span",{class:r.const("dcg-powered-by"),"aria-label":function(){return e.controller.t("Powered by Desmos")}},function(){return e.controller.t("powered by")}),r.createElement("i",{class:r.const("dcg-icon-desmos")}));default:var n=t;return 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s.createElement("span",{role:s.const("checkbox"),"aria-checked":e.bindFn(e.getMinorGridlines),tabindex:s.const("0"),class:s.const("dcg-checkbox dcg-minor-checkbox dcg-action-toggle-minor-gridlines"),"aria-label":function(){return e.controller.t("Minor Gridlines")},onTap:e.bindFn(e.toggleMinorGridlines)},s.createElement("span",{class:function(){return{"dcg-checkbox-box":!0,"dcg-checked":e.getMinorGridlines()}}},s.createElement("i",{class:s.const("dcg-icon-check")})),s.const(" "),s.createElement("span",{class:s.const("dcg-checkbox-label"),"aria-hidden":s.const("true")},function(){return e.controller.t("Minor Gridlines")}))}),s.createElement(f,{predicate:function(){return!e.getSquareAxes()}},function(){return s.createElement("div",{role:s.const("button"),tabindex:s.const("0"),class:s.const("dcg-action-zoom-square dcg-btn-light-gray"),onTap:e.bindFn(e.zoomSquare)},function(){return e.controller.t("Zoom 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Use pointsOfInterest instead."),e.pointsOfInterest=e.solutions),e.hasOwnProperty("pointsOfInterest")&&this.controller.getGraphSettings().config.setProperty("pointsOfInterest",e.pointsOfInterest),e.hasOwnProperty("border")&&t.toggleClass("dcg-default-border",!!e.border),e.hasOwnProperty("branding")&&t.toggleClass("dcg-no-branding",!e.branding),e.hasOwnProperty("expressionsTopbar")&&t.toggleClass("dcg-no-expression-topbar",!e.expressionsTopbar),e.hasOwnProperty("graphpaper")&&t.toggleClass("dcg-no-graphpaper",!e.graphpaper),e.hasOwnProperty("expressionsCollapsed")&&(e.expressionsCollapsed?this.controller.dispatch({type:"hide-expressions-list"}):this.controller.dispatch({type:"show-expressions-list"})),e.hasOwnProperty("keypad")&&b.warn("Bad option {keypad: "+e.keypad+"}. The keypad can only be added or removed at load time, not at runtime."),e.hasOwnProperty("expressions")&&b.warn("Bad option {expressions: "+e.expressions+"}. 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e.getUint32(t,n)/e.getUint32(t+4,n)},size:8},9:{getValue:function(e,t,n){return e.getInt32(t,n)},size:4},10:{getValue:function(e,t,n){return e.getInt32(t,n)/e.getInt32(t+4,n)},size:8}},e.exifTagTypes[7]=e.exifTagTypes[1],e.getExifValue=function(t,n,r,i,o,s){var a,l,c,u,d,p,h=e.exifTagTypes[i];if(!h)return void console.log("Invalid Exif data: Invalid tag type.");if(a=h.size*o,l=a>4?n+t.getUint32(r+8,s):r+8,l+a>t.byteLength)return void console.log("Invalid Exif data: Invalid data offset.");if(1===o)return h.getValue(t,l,s);for(c=[],u=0;u<o;u+=1)c[u]=h.getValue(t,l+u*h.size,s);if(h.ascii){for(d="",u=0;u<c.length&&(p=c[u],"\0"!==p);u+=1)d+=p;return d}return c},e.parseExifTag=function(t,n,r,i,o){var s=t.getUint16(r,i);o.exif[s]=e.getExifValue(t,n,r,t.getUint16(r+2,i),t.getUint32(r+4,i),i)},e.parseExifTags=function(e,t,n,r,i){var o,s,a;if(n+6>e.byteLength)return void console.log("Invalid Exif data: Invalid directory offset.");if(o=e.getUint16(n,r),s=n+2+12*o,s+4>e.byteLength)return void console.log("Invalid Exif data: Invalid directory size.");for(a=0;a<o;a+=1)this.parseExifTag(e,t,n+2+12*a,r,i);return e.getUint32(s,r)},e.parseExifData=function(t,n,r,i,o){if(!o.disableExif){var s,a,l,c=n+10;if(1165519206===t.getUint32(n+4)){if(c+8>t.byteLength)return void console.log("Invalid Exif data: Invalid segment size.");if(0!==t.getUint16(n+8))return void console.log("Invalid Exif data: Missing byte alignment offset.");switch(t.getUint16(c)){case 18761:s=!0;break;case 19789:s=!1;break;default:return void console.log("Invalid Exif data: Invalid byte alignment marker.")}if(42!==t.getUint16(c+2,s))return void console.log("Invalid Exif data: Missing TIFF marker.");a=t.getUint32(c+4,s),i.exif=new e.ExifMap,a=e.parseExifTags(t,c,c+a,s,i),a&&!o.disableExifThumbnail&&(l={exif:{}},a=e.parseExifTags(t,c,c+a,s,l),l.exif[513]&&(i.exif.Thumbnail=e.getExifThumbnail(t,c+l.exif[513],l.exif[514]))),i.exif[34665]&&!o.disableExifSub&&e.parseExifTags(t,c,c+i.exif[34665],s,i),i.exif[34853]&&!o.disableExifGps&&e.parseExifTags(t,c,c+i.exif[34853],s,i)}}},e.metaDataParsers.jpeg[65505].push(e.parseExifData)}),function(e){"use strict";"function"==typeof define&&define.amd?define("vendor/load-image/load-image-exif-map",["./load-image","./load-image-exif"],e):e(window.loadImage)}(function(e){"use strict";e.ExifMap.prototype.tags={256:"ImageWidth",257:"ImageHeight",34665:"ExifIFDPointer",34853:"GPSInfoIFDPointer",40965:"InteroperabilityIFDPointer",258:"BitsPerSample",259:"Compression",262:"PhotometricInterpretation",274:"Orientation",277:"SamplesPerPixel",284:"PlanarConfiguration",530:"YCbCrSubSampling",531:"YCbCrPositioning",282:"XResolution",283:"YResolution",296:"ResolutionUnit",273:"StripOffsets",278:"RowsPerStrip",279:"StripByteCounts",513:"JPEGInterchangeFormat",514:"JPEGInterchangeFormatLength",301:"TransferFunction",318:"WhitePoint",319:"PrimaryChromaticities",529:"YCbCrCoefficients",532:"ReferenceBlackWhite",306:"DateTime",270:"ImageDescription",271:"Make",272:"Model",305:"Software",315:"Artist",33432:"Copyright",36864:"ExifVersion",40960:"FlashpixVersion",40961:"ColorSpace",40962:"PixelXDimension",40963:"PixelYDimension",42240:"Gamma",37121:"ComponentsConfiguration",37122:"CompressedBitsPerPixel",37500:"MakerNote",37510:"UserComment",40964:"RelatedSoundFile",36867:"DateTimeOriginal",36868:"DateTimeDigitized",37520:"SubSecTime",37521:"SubSecTimeOriginal",37522:"SubSecTimeDigitized",33434:"ExposureTime",33437:"FNumber",34850:"ExposureProgram",34852:"SpectralSensitivity",34855:"PhotographicSensitivity",34856:"OECF",34864:"SensitivityType",34865:"StandardOutputSensitivity",34866:"RecommendedExposureIndex",34867:"ISOSpeed",34868:"ISOSpeedLatitudeyyy",34869:"ISOSpeedLatitudezzz",37377:"ShutterSpeedValue",37378:"ApertureValue",37379:"BrightnessValue",37380:"ExposureBias",37381:"MaxApertureValue",37382:"SubjectDistance",37383:"MeteringMode",37384:"LightSource",37385:"Flash",37396:"SubjectArea",37386:"FocalLength",41483:"FlashEnergy",41484:"SpatialFrequencyResponse",41486:"FocalPlaneXResolution",41487:"FocalPlaneYResolution",41488:"FocalPlaneResolutionUnit",41492:"SubjectLocation",41493:"ExposureIndex",41495:"SensingMethod",41728:"FileSource",41729:"SceneType",41730:"CFAPattern",41985:"CustomRendered",41986:"ExposureMode",41987:"WhiteBalance",41988:"DigitalZoomRatio",41989:"FocalLengthIn35mmFilm",41990:"SceneCaptureType",41991:"GainControl",41992:"Contrast",41993:"Saturation",41994:"Sharpness",41995:"DeviceSettingDescription",41996:"SubjectDistanceRange",42016:"ImageUniqueID",42032:"CameraOwnerName",42033:"BodySerialNumber",42034:"LensSpecification",42035:"LensMake",42036:"LensModel",42037:"LensSerialNumber",0:"GPSVersionID",1:"GPSLatitudeRef",2:"GPSLatitude",3:"GPSLongitudeRef",4:"GPSLongitude",5:"GPSAltitudeRef",6:"GPSAltitude",7:"GPSTimeStamp",8:"GPSSatellites",9:"GPSStatus",10:"GPSMeasureMode",11:"GPSDOP",12:"GPSSpeedRef",13:"GPSSpeed",14:"GPSTrackRef",15:"GPSTrack",16:"GPSImgDirectionRef",17:"GPSImgDirection",18:"GPSMapDatum",19:"GPSDestLatitudeRef",20:"GPSDestLatitude",21:"GPSDestLongitudeRef",22:"GPSDestLongitude",23:"GPSDestBearingRef",24:"GPSDestBearing",25:"GPSDestDistanceRef",26:"GPSDestDistance",27:"GPSProcessingMethod",28:"GPSAreaInformation",29:"GPSDateStamp",30:"GPSDifferential",31:"GPSHPositioningError"},e.ExifMap.prototype.stringValues={ExposureProgram:{0:"Undefined",1:"Manual",2:"Normal program",3:"Aperture priority",4:"Shutter priority",5:"Creative program",6:"Action program",7:"Portrait mode",8:"Landscape mode"},MeteringMode:{0:"Unknown",1:"Average",2:"CenterWeightedAverage",3:"Spot",4:"MultiSpot",5:"Pattern",6:"Partial",255:"Other"},LightSource:{0:"Unknown",1:"Daylight",2:"Fluorescent",3:"Tungsten (incandescent light)",4:"Flash",9:"Fine weather",10:"Cloudy weather",11:"Shade",12:"Daylight fluorescent (D 5700 - 7100K)",13:"Day white fluorescent (N 4600 - 5400K)",14:"Cool white fluorescent (W 3900 - 4500K)",15:"White fluorescent (WW 3200 - 3700K)",17:"Standard light A",18:"Standard light B",19:"Standard light C",20:"D55",21:"D65",22:"D75",23:"D50",24:"ISO studio tungsten",255:"Other"},Flash:{0:"Flash did not fire",1:"Flash fired",5:"Strobe return light not detected",7:"Strobe return light detected",9:"Flash fired, compulsory flash mode",13:"Flash fired, compulsory flash mode, return light not detected",15:"Flash fired, compulsory flash mode, return light detected",16:"Flash did not fire, compulsory flash mode",24:"Flash did not fire, auto mode",25:"Flash fired, auto mode",29:"Flash fired, auto mode, return light not detected",31:"Flash fired, auto mode, return light detected",32:"No flash function",65:"Flash fired, red-eye reduction mode",69:"Flash fired, red-eye reduction mode, return light not detected",71:"Flash fired, red-eye reduction mode, return light detected",73:"Flash fired, compulsory flash mode, red-eye reduction mode",77:"Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected",79:"Flash fired, compulsory flash mode, red-eye reduction mode, return light detected",89:"Flash fired, auto mode, red-eye reduction mode",93:"Flash fired, auto mode, return light not detected, red-eye reduction mode",95:"Flash fired, auto mode, return light detected, red-eye reduction mode"},SensingMethod:{1:"Undefined",2:"One-chip color area sensor",3:"Two-chip color area sensor",4:"Three-chip color area sensor",5:"Color sequential area sensor",7:"Trilinear sensor",8:"Color sequential linear sensor"},SceneCaptureType:{0:"Standard",1:"Landscape",2:"Portrait",3:"Night scene"},SceneType:{1:"Directly photographed"},CustomRendered:{0:"Normal process",1:"Custom process"},WhiteBalance:{0:"Auto white balance",1:"Manual white balance"},GainControl:{0:"None",1:"Low gain up",2:"High gain up",3:"Low gain down",4:"High gain down"},Contrast:{0:"Normal",1:"Soft",2:"Hard"},Saturation:{0:"Normal",1:"Low saturation",2:"High saturation"},Sharpness:{0:"Normal",1:"Soft",2:"Hard"},SubjectDistanceRange:{0:"Unknown",1:"Macro",2:"Close view",3:"Distant view"},FileSource:{3:"DSC"},ComponentsConfiguration:{0:"",1:"Y",2:"Cb",3:"Cr",4:"R",5:"G",6:"B"},Orientation:{1:"top-left",2:"top-right",3:"bottom-right",4:"bottom-left",5:"left-top",6:"right-top",7:"right-bottom",8:"left-bottom"}},e.ExifMap.prototype.getText=function(e){var t=this.get(e);switch(e){case"LightSource":case"Flash":case"MeteringMode":case"ExposureProgram":case"SensingMethod":case"SceneCaptureType":case"SceneType":case"CustomRendered":case"WhiteBalance":case"GainControl":case"Contrast":case"Saturation":case"Sharpness":case"SubjectDistanceRange":case"FileSource":case"Orientation":return this.stringValues[e][t];case"ExifVersion":case"FlashpixVersion":return String.fromCharCode(t[0],t[1],t[2],t[3]);case"ComponentsConfiguration":return this.stringValues[e][t[0]]+this.stringValues[e][t[1]]+this.stringValues[e][t[2]]+this.stringValues[e][t[3]];case"GPSVersionID":return t[0]+"."+t[1]+"."+t[2]+"."+t[3]}return String(t)},function(e){var t,n=e.tags,r=e.map;for(t in n)n.hasOwnProperty(t)&&(r[n[t]]=t)}(e.ExifMap.prototype),e.ExifMap.prototype.getAll=function(){var e,t,n={};for(e in this)this.hasOwnProperty(e)&&(t=this.tags[e],t&&(n[t]=this.getText(t)));return n}}),define("loadImage",["require","vendor/load-image/load-image-orientation","vendor/load-image/load-image-meta","vendor/load-image/load-image-ios","vendor/load-image/load-image-exif","vendor/load-image/load-image-exif-map","vendor/load-image/load-image"],function(e){e("vendor/load-image/load-image-orientation"),e("vendor/load-image/load-image-meta"),e("vendor/load-image/load-image-ios"),e("vendor/load-image/load-image-exif"),e("vendor/load-image/load-image-exif-map");var t=e("vendor/load-image/load-image");return t}),define("expressions/image_file_to_data_url",["require","loadImage"],function(e){function t(e,t){for(var n,r=[.92,.86,.8,.7,.6,.5,.4,.3,.2,.1],i=0;i<r.length;i++)if(n=e.toDataURL("image/jpeg",r[i]),n.length<t)return n;return n}function n(e,t){for(var n,r=e.toDataURL().length,i=e.width,o=e.height,s=document.createElement("canvas"),a=0;a<2;a++){var l=Math.sqrt(t/r);i=Math.round(l*i),o=Math.round(l*o),s.height=o,s.width=i;var 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a=1,l={},c=!1;t.testFixture={},t.checkAllWatchingDetectors=s;var u=function(){function e(e,t){this.elt=e,this.cb=t,this.destroyed=!1,this.id=a.toString(),this.appliedScale={x:1,y:1},a++}return e.prototype.stopWatching=function(){delete l[this.id]},e.prototype.startWatching=function(){this.checkForChanges(),l[this.id]=this,c||o()},e.prototype.resetAppliedScalingAndGetBoundingClientRect=function(){var e=this.elt.getBoundingClientRect(),t={x:e.width/this.elt.offsetWidth,y:e.height/this.elt.offsetHeight};if(t.x===this.appliedScale.x&&t.y===this.appliedScale.y)return e;var n=i(this.elt).children(".dcg-container:eq(0)")[0];return n&&(this.appliedScale=t,i(n).css({transform:"scale("+1/this.appliedScale.x+","+1/this.appliedScale.y+")",width:100*this.appliedScale.x+"%",height:100*this.appliedScale.y+"%"})),e},e.prototype.detectAndEnqueueEvent=function(){if(!this.destroyed){var e=document.body.contains(this.elt);if(e){var t=this.resetAppliedScalingAndGetBoundingClientRect();this.lastSize?t.width===this.lastSize.width&&t.height===this.lastSize.height||(this.lastSize.width=t.width,this.lastSize.height=t.height,this.queuedEvent={type:"resized",target:this.elt,size:n.__assign({},this.lastSize)}):(this.lastSize={width:t.width,height:t.height},this.queuedEvent={type:"added",target:this.elt,size:n.__assign({},this.lastSize)})}else this.lastSize&&(this.lastSize=void 0,this.queuedEvent={type:"removed",target:this.elt})}},e.prototype.dispatchQueuedEvent=function(){var e=this.queuedEvent;e&&(this.queuedEvent=void 0,this.cb(e))},e.prototype.checkForChanges=function(){this.detectAndEnqueueEvent(),this.dispatchQueuedEvent()},e.prototype.destroy=function(){this.stopWatching();for(var e in this)this.hasOwnProperty(e)&&delete this[e];this.destroyed=!0},e}();t.default=u}),define("graphing/compute-async-screenshot-bounds",["require","console"],function(e){function t(e){var t=e.mode,r=e.width,i=e.height,o=e.currentBounds,s=e.graphpaperAspectRatio,a=e.mathAspectRatio,l=e.mathBounds,c=r/i,u={x:o.left+o.width/2,y:o.bottom+o.height/2};if(void 0===l.left!=(void 0===l.right)||void 0===l.bottom!=(void 0===l.top))return n.warn('asyncScreenshot: cannot specify "left" bound without "right" or "bottom" bound without "top". 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E?(f=l.right-l.left,g=l.top-l.bottom,m={x:l.left+f/2,y:l.bottom+g/2},h=f/g,c>h?(p=g/i,d=p*a,{left:m.x-d*r/2,right:m.x+d*r/2,bottom:l.bottom,top:l.top}):(d=f/r,p=d/a,{left:l.left,right:l.right,bottom:m.y-p*i/2,top:m.y+p*i/2})):w?(y=l.right-l.left,v=l.left+y/2,h=y/o.height,c>h?(p=o.height/i,d=p*a,{left:v-d*r/2,right:v+d*r/2,bottom:o.bottom,top:o.top}):(d=y/r,p=d/a,{left:l.left,right:l.right,bottom:u.y-p*i/2,top:u.y+p*i/2})):_?(b=l.top-l.bottom,x=l.bottom+b/2,h=o.width/b,c>h?(p=b/i,d=p*a,{left:u.x-d*r/2,right:u.x+d*r/2,bottom:l.bottom,top:l.top}):(d=o.width/r,p=d/a,{left:o.left,right:o.right,bottom:x-p*i/2,top:x+p*i/2})):c>s?(p=o.height/i,d=p*a,{left:u.x-d*r/2,right:u.x+d*r/2,bottom:o.bottom,top:o.top}):(d=o.width/r,p=d/a,{left:o.left,right:o.right,bottom:u.y-p*i/2,top:u.y+p*i/2});case"preserveX":return E?(f=l.right-l.left,g=l.top-l.bottom,m={x:l.left+f/2,y:l.bottom+g/2},h=f/g,d=f/r,p=d/a,{left:l.left,right:l.right,bottom:m.y-p*i/2,top:m.y+p*i/2}):_?(b=l.top-l.bottom,x=l.bottom+b/2,h=o.width/b,d=o.width/r,p=d/a,{left:o.left,right:o.right,bottom:x-p*i/2,top:x+p*i/2}):w?(y=l.right-l.left,d=y/r,p=d/a,{left:l.left,right:l.right,bottom:u.y-p*i/2,top:u.y+p*i/2}):(y=o.right-o.left,d=y/r,p=d/a,{left:o.left,right:o.right,bottom:u.y-p*i/2,top:u.y+p*i/2});case"preserveY":return E?(f=l.right-l.left,g=l.top-l.bottom,m={x:l.left+f/2,y:l.bottom+g/2},h=f/g,p=g/i,d=p*a,{left:m.x-d*r/2,right:m.x+d*r/2,bottom:l.bottom,top:l.top}):w?(y=l.right-l.left,v=l.left+y/2,h=y/o.height,p=o.height/i,d=p*a,{left:v-d*r/2,right:v+d*r/2,bottom:o.bottom,top:o.top}):_?(b=l.top-l.bottom,p=b/i,d=p*a,{left:u.x-d*r/2,right:u.x+d*r/2,bottom:l.bottom,top:l.top}):(b=o.top-o.bottom,p=b/i,d=p*a,{left:u.x-d*r/2,right:u.x+d*r/2,bottom:o.bottom,top:o.top});default:return o}}var n=e("console");return t}),define("expressions/sanitize_expression",["require"],function(e){function t(e,t){var n={};return e.forEach(function(e){t.hasOwnProperty(e)&&(n[e]=t[e])}),n}function n(e){return{min:e.domain.min,max:e.domain.max}}function r(e){return{min:e.sliderMin,max:e.sliderMax,step:e.sliderInterval}}function i(e){var n=t(l,e);return n.columns=e.columns.map(o),n}function o(e){var n=t(c,e);return e.values&&"function"==typeof e.values.slice&&(n.values=e.values.slice()),n}function s(e){if("table"===e.type)return i(e);var o=t(a,e);return e.hasOwnProperty("domain")&&(o.domain=n(e)),e.hasOwnProperty("sliderMin")&&(o.sliderBounds=r(e)),o}var a=["type","latex","color","style","hidden","secret","id","dragMode","label","showLabel"],l=["type","id"],c=["id","latex","color","hidden","columnMode","dragMode"];return s}),define("dcgview-helpers/mathquill-proxy",["require","exports","dcgview-helpers/mathquill-view"],function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var r=function(){function e(e){this.mq=e,this.id=e.id,this.data=e.data}return e.prototype.simulateUserChangedLatex=function(){n.default.simulateUserChangedLatex(this.mq)},e.prototype.simulateKeypress=function(e){n.default.simulateKeypress(this.mq,e)},e.prototype.latex=function(e){return void 0===e?this.mq.latex():(this.mq.latex(e),void this.simulateUserChangedLatex())},e.prototype.reflow=function(){this.mq.reflow()},e.prototype.el=function(){return this.mq.el()},e.prototype.getAriaLabel=function(){return this.mq.getAriaLabel()},e.prototype.setAriaLabel=function(e){return this.mq.setAriaLabel(e)},e.prototype.html=function(){return this.mq.html()},e.prototype.mathspeak=function(){return this.mq.mathspeak()},e.prototype.select=function(){this.mq.select()},e.prototype.moveToRightEnd=function(){this.mq.moveToRightEnd()},e.prototype.cmd=function(e){this.mq.cmd(e),this.simulateUserChangedLatex()},e.prototype.write=function(e){this.mq.write(e),this.simulateUserChangedLatex()},e.prototype.keystroke=function(e){this.simulateKeypress(e)},e.prototype.typedText=function(e){this.mq.typedText(e),this.simulateUserChangedLatex()},e.prototype.clearSelection=function(){this.mq.clearSelection()},e.prototype.getAriaPostLabel=function(){return this.mq.getAriaPostLabel()},e.prototype.setAriaPostLabel=function(e,t){this.mq.setAriaPostLabel(e,t)},e.prototype.blur=function(){this.mq.blur()},e.prototype.focus=function(){this.mq.focus()},e.prototype.revert=function(){this.mq.revert()},e.prototype.ignoreNextMousedown=function(e){this.mq.ignoreNextMousedown(e)},e.prototype.clickAt=function(e,t,n){this.mq.clickAt(e,t,n)},e}();t.MathQuillProxy=r}),define("api/abstract",["require","exports","underscore_model","ipad.scrollfix","touchtracking","lib/console","lib/dom-change-detector"],function(e,t,n,r,i,o,s){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(e){if(this.rootElt=e,this.eventModel=new n,!e)throw new Error("must pass an HTMLElement to the API")}return e.prototype.setupDomChangeDetector=function(e){var t=this;this.autoSize=e,i.monitor(this.rootElt),r.limitScrollOnElement(this.rootElt),this.domChangeDetector=new s.default(this.rootElt,function(e){switch(e.type){case"added":t.view=t.onCreateView(),t.onResizeView(e.size);break;case"removed":t.onDestroyView(),t.view=void 0;break;case"resized":t.onResizeView(e.size)}}),this.autoSize!==!1?this.domChangeDetector.startWatching():this.domChangeDetector.checkForChanges()},e.prototype.detach=function(){o.warn(".detach() is deprecated. It should no longer be necessary")},e.prototype.destroy=function(){function e(e){o.warn("You've destroyed this API instance. You can no longer call ."+e+"()")}this.view&&this.onDestroyView(),this.domChangeDetector.destroy();for(var t in this)"function"==typeof this[t]?this[t]=e.bind(this,t):this.hasOwnProperty(t)&&delete this[t];this.destroy=function(){}},e.prototype.resize=function(){this.domChangeDetector.checkForChanges()},e.prototype.updateView=function(){this.view&&document.body.contains(this.rootElt)&&this.view.update()},e.prototype.triggerEvent=function(e){this.eventModel.triggerEvent(e)},e.prototype.observeEvent=function(e,t){this.eventModel.observeEvent(e,t)},e.prototype.unobserveEvent=function(e){this.eventModel.unobserveEvent(e)},e}();t.default=a}),define("immutable-store",["require","underscore","lib/deepCopy"],function(e){function t(e){return r.clone(e)}function n(e){this.setState(e)}var r=e("underscore"),i=e("lib/deepCopy").default;return n.prototype.setState=function(e){this.state=e},n.prototype.getState=function(){return this.state},n.prototype.set=function(e,n){if(1===arguments.length)return void(this.state=e);if("string"==typeof e)return this.state=t(this.state),void(this.state[e]=n);var r,i=e.length-2,o=e[i+1];this.state=r=t(this.state);for(var s=0;s<=i;s++){var a=e[s];r=r[a]=t(r[a])}r[o]=n},n.prototype.deepMutate=function(e,n){if(1===arguments.length)return n=e,this.state=i(this.state),void n(this.state);if("string"==typeof e)return this.state=t(this.state),this.state[e]=i(this.state[e]),void n(this.state[e]);for(var r=e.length-2,o=e[r+1],s=this.state=t(this.state),a=0;a<=r;a++){var l=e[a];s=s[l]=t(s[l])}s=s[o]=i(s[o]),n(s)},n.prototype.shallowMutate=function(e,n){if(1===arguments.length)return n=e,this.state=t(this.state),void n(this.state);if("string"==typeof e)return this.state=t(this.state),this.state[e]=t(this.state[e]),void n(this.state[e]);for(var r=e.length-1,i=this.state=t(this.state),o=0;o<=r;o++){var s=e[o];i=i[s]=t(i[s])}n(i)},n.areShallowEqual=function(e,t){},n.areDeepEqual=function(e,t){},{default:n}}),define("basic/model",["require","exports","main/evaluator","tslib","immutable-store","main/shared-clock-bus","graphing/label"],function(e,t,n,r,i,o,s){
"use strict";Object.defineProperty(t,"__esModule",{value:!0});var a=function(){function e(e){var t=e.evaluationMode,n=e.additionalFunctions,r=e.functionDefinition,s=e.workerPool,a=this;this._evaluations={},this._nextObjectId=0,this.store=new i.default({expressions:{1:{id:"1",latex:"",braille:"",type:"latex"}},order:["1"],settings:{degreeMode:!1},ui:{focus:void 0}}),this.evaluationMode=t,this.additionalFunctions=n,this.functionDefinition=r,this.workerPool=s,this._setupEvaluator(),this.clear(),this._sharedClockBusToken=o.subscribe(function(e){a._evaluator.tick(e)})}return e.prototype.isSingleExpression=function(){return"singleExpressionScientific"===this.evaluationMode},e.prototype.destroy=function(){o.unsubscribe(this._sharedClockBusToken)},e.prototype.generateObjectId=function(){return(this._nextObjectId++).toString()},e.prototype.updateNextObjectId=function(){var e=this.store.getState().order;this._nextObjectId=0;for(var t=/^[0-9]+$/,n=0,r=e;n<r.length;n++){var i=r[n];if(t.test(i)){var o=parseInt(i,10);o>=this._nextObjectId&&(this._nextObjectId=o+1)}}},e.prototype.clearShouldDebounceUndoRedo=function(){this._shouldDebounceUndoRedo=!1},e.prototype.markShouldDebounceUndoRedo=function(){this._shouldDebounceUndoRedo=!0},e.prototype.getShouldDebounceUndoRedo=function(){return this._shouldDebounceUndoRedo},e.prototype.clearCachedBrailleValues=function(){for(var e=0,t=this.getExpressionOrder();e<t.length;e++){var n=t[e];this.store.set(["expressions",n,"braille"],"")}},e.prototype.getState=function(){return this.store.getState()},e.prototype.getPersistedState=function(){var e=this.getState(),t=e.expressions,n=e.order,r=e.settings;return{expressions:{list:n.map(function(e){var n=t[e];return{id:n.id,latex:n.latex}})},settings:r}},e.prototype.setState=function(e){this.store.set(e),this._updateIndexes(),this.updateNextObjectId()},e.prototype.setStateFromAPI=function(e){var t=[],n={};e.expressions.list.forEach(function(e){t.push(e.id),n[e.id]={id:e.id,latex:e.latex,braille:"",type:"latex"}}),this.setState({expressions:n,order:t,settings:e.settings,ui:{focus:void 0}})},e.prototype.canClear=function(){if(this.getNumberOfExpressions()>1)return!0;var e=this.getExpressionOrder()[0];return""!==this.getExpressionLatex(e)},e.prototype.clear=function(){this.setState({expressions:{1:{id:"1",type:"latex",latex:"",braille:""}},ui:{focus:void 0},order:["1"],settings:this.getState().settings})},e.prototype.getExpressionOrder=function(){return this.store.getState().order},e.prototype.getNumberOfExpressions=function(){return this.getExpressionOrder().length},e.prototype.getExpressionById=function(e){return this.getState().expressions[e]},e.prototype.getExpressionIndex=function(e){return this._indexes[e]},e.prototype._getExpressionByIndex=function(e){var t=this.getExpressionOrder()[e];return this.getExpressionById(t)},e.prototype._updateIndexes=function(){this._indexes={};for(var e=0,t=0,n=this.getExpressionOrder();t<n.length;t++){var r=n[t];this._indexes[r]=e,e+=1}this._evaluate()},e.prototype._usesAnsById=function(e){return this.getExpressionById(e).latex.indexOf("\\operatorname{ans}")!==-1},e.prototype._getPreviousExpById=function(e){var t=this.getExpressionIndex(e);return this._getExpressionByIndex(t-1)},e.prototype.createBlankAfterId=function(e){if(this.getExpressionById(e).latex){var t=this.getExpressionIndex(e),n=this.generateObjectId();this.store.shallowMutate("order",function(e){e.splice(t+1,0,n)}),this.store.shallowMutate("expressions",function(e){e[n]={id:n,latex:"",braille:"",type:"latex"}}),this._updateIndexes(),this.setFocusedById(n,!0)}},e.prototype.conditionallyCopyPrevious=function(e){var t=this._getPreviousExpById(e),n=this.getExpressionById(e);null!=t&&""===n.latex&&this._usesAnsById(t.id)&&this.setLatexById(e,t.latex)},e.prototype.backspaceAtFrontOfId=function(e){var t=this.getExpressionById(e);if(""===t.latex&&1!==this.getNumberOfExpressions()){var n=this.getExpressionIndex(e);this.store.shallowMutate("order",function(e){e.splice(n,1)}),this.store.shallowMutate("expressions",function(t){delete t[e]}),this._updateIndexes(),this._setFocusedByIndex(Math.max(n-1,0),!0)}},e.prototype.setLatexById=function(e,t){this.store.set(["expressions",e,"latex"],t),this.store.set(["expressions",e,"braille"],""),this._evaluate()},e.prototype.setLatexAndBrailleById=function(e,t,n){this.store.set(["expressions",e,"latex"],t),this.store.set(["expressions",e,"braille"],n),this._evaluate()},e.prototype.setLatexOfFocusedExpression=function(e){var t=this.getFocusedExpressionId();t&&this.setLatexById(t,e)},e.prototype.isExpressionFocused=function(e){return this.getFocusedExpressionId()===e},e.prototype.getExpressionLatex=function(e){return this.getExpressionById(e).latex},e.prototype.getExpressionError=function(e){var t=this._evaluations[e];return t?t.error:""},e.prototype.getExpressionValue=function(e){var t=this._evaluations[e];if(t)return t.value},e.prototype.getExpressionAns=function(e){var t=this._evaluations[e];if(t)return t.ans},e.prototype.shouldShowEvaluationForExpression=function(e){var t=this._evaluations[e];return!!t&&t.showEvaluation},e.prototype._setFocusedByIndex=function(e,t){var n,i=this._getExpressionByIndex(e),o=r.__assign({},this.store.getState()),s=!1;t?(n={type:"latex-expression",id:i.id},s=!0):this.getFocusedExpressionId()===i.id?(n=void 0,s=!0):o.expressions[i.id]=r.__assign({},i,{braille:""}),s&&(o.ui={focus:n}),this.store.set(o)},e.prototype.setFocusedById=function(e,t){var n=this.getExpressionIndex(e);this._setFocusedByIndex(n,t)},e.prototype.focusPrevById=function(e){var t=this.getExpressionIndex(e)-1;t>=0&&this._setFocusedByIndex(t,!0)},e.prototype.focusNextById=function(e){var t=this.getExpressionIndex(e)+1;t<this.getNumberOfExpressions()?this._setFocusedByIndex(t,!0):this.createAtEnd()},e.prototype.getFocusedExpression=function(){var e=this.getFocusedExpressionId();return e?this.getExpressionById(e):void 0},e.prototype.getFocusedExpressionId=function(){var e=this.getState().ui.focus;return e&&e.id},e.prototype.clearFocusedExpression=function(){var e=this.getFocusedExpression();e&&this.setLatexById(e.id,"")},e.prototype.shouldShowClear=function(){if(1===this.getNumberOfExpressions())return!1;var e=this.getFocusedExpression();return!!e&&!!e.latex},e.prototype.getLastExpression=function(){return this._getExpressionByIndex(this.getNumberOfExpressions()-1)},e.prototype.isLastExpressionEmpty=function(){return!!this.getLastExpression().latex},e.prototype.createAtEnd=function(){this.createBlankAfterId(this.getLastExpression().id)},e.prototype.focusLastExpression=function(){this._setFocusedByIndex(this.getNumberOfExpressions()-1,!0)},e.prototype.focusFirstExpression=function(){this._setFocusedByIndex(0,!0)},e.prototype.getDegreeMode=function(){return this.getState().settings.degreeMode},e.prototype.setDegreeMode=function(e){this.store.set(["settings","degreeMode"],!!e),this._evaluate()},e.prototype._cleanupLatex=function(e){return e=s.trimLatex(e),"="===e.substr(e.length-1)&&(e=e.substr(0,e.length-1)),e},e.prototype._evaluate=function(){var e=this;this._evaluator.clearStatementsAndStartCompleteState(),this.getExpressionOrder().forEach(function(t){return e._evaluator.addStatement({id:t,index:e.getExpressionIndex(t),latex:e._cleanupLatex(e.getExpressionLatex(t)),shouldGraph:!1,type:"statement"})}),this._evaluator.setDegreeMode(this.getDegreeMode())},e.prototype._setupEvaluator=function(){var e=this;this._evaluator=n(this.workerPool),this._evaluator.setEvaluationMode(this.evaluationMode),this._evaluator.setAdditionalFunctions(this.additionalFunctions),this._evaluator.setFunctionDefinition(this.functionDefinition),this._evaluator.triggerStatusChange=function(t){e._evaluations={};for(var n in t){var r=t[n],i=e.getExpressionById(n);i&&(e._evaluations[n]={value:r.constant_value,showEvaluation:!!r.is_evaluable,error:r.error,ans:void 0})}for(var o=void 0,s=0,a=e.getExpressionOrder();s<a.length;s++){var n=a[s],l=e._evaluations[n];o&&l&&(l.ans=o.value),o=l}"function"==typeof e.onEvaluationUpdate&&e.onEvaluationUpdate()}},e}();t.default=a}),define("basic/controller",["require","exports","underscore_model","tslib","flux","underscore","./model","lib/state-stack","keypad/mq-commands","i18n","dcgview-helpers/mathquill-view","lib/console","bugsnag"],function(e,t,n,r,i,o,s,a,l,c,u,d,p){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var h=function(){function e(e){var t=this;this.keyboardMode="main",this.fontSize=16,this.listFontSize=16,this.invertedColors=!1,this.projectorMode=!1,this.settingsMenu=!0,this.settingsMenuOpen=!1,this.language="en",this.brailleMode="none",this.sixKeyInput=!1,this.stateStack=new a.default,this.dispatcher=new i.Dispatcher,this.t=function(e,n){return c.t(e,n,t.language)},this.dispatch=function(e){p.leaveBreadcrumb("dispatch",{type:e.type}),t.dispatcher.dispatch(e);for(var n;n=t._queuedCallbacks.shift();)n()},this._queuedCallbacks=[],this.stateStack=new a.default,this.dispatcher=new i.Dispatcher,this.options=e,this.model=new s.default({evaluationMode:this.options.evaluationMode,additionalFunctions:this.options.additionalFunctions,functionDefinition:this.options.functionDefinition,workerPool:this.options.workerPool}),this.model=this.model,this.model.setDegreeMode(e.degreeMode),this.setBrailleMode(e.brailleMode),this.setSixKeyInput(e.sixKeyInput),this.setProjectorMode(e.projectorMode),this.invertedColors=e.invertedColors,this.settingsMenu=e.settingsMenu,this.model.onEvaluationUpdate=function(){return t.dispatch({type:"render"})},this.settings=n(),this.settings.setProperty("language",this.language),this.settings.setProperty("fontSize",this.fontSize),this.settings.setProperty("degreeMode",!!e.degreeMode),this.settings.setProperty("invertedColors",!!e.invertedColors),this.settings.setProperty("brailleMode",e.brailleMode),this.settings.setProperty("sixKeyInput",e.sixKeyInput),this.settings.setProperty("projectorMode",!!e.projectorMode),this.hookUpDispatcher(),this.dispatch({type:"render"})}return e.prototype.runAfterDispatch=function(e){this._queuedCallbacks.push(e)},e.prototype.enqueueEvent=function(e){var t=this;this.runAfterDispatch(function(){t.onEventEmitted&&t.onEventEmitted(e)})},e.prototype.getFunctionDefinition=function(){return this.options.functionDefinition},e.prototype.getSettingsMenu=function(){return this.settingsMenu},e.prototype.getKeypadTheme=function(){return this.options.lightKeypad?"basic-light":"basic-default"},e.prototype.getBrailleMode=function(){return this.brailleMode},e.prototype.renderAsBraille=function(){return"none"!==this.brailleMode},e.prototype.setBrailleMode=function(e){this.brailleMode=e},e.prototype.getSixKeyInput=function(){return this.sixKeyInput},e.prototype.setSixKeyInput=function(e){this.sixKeyInput=e},e.prototype.getRestrictedEditing=function(){return this.options.restrictedEditing},e.prototype.getKeyboardMode=function(){return this.keyboardMode},e.prototype.getFontSize=function(){return this.fontSize},e.prototype.getListFontSize=function(){return this.listFontSize},e.prototype.getInvertedColors=function(){return this.invertedColors},e.prototype.getAdditionalFunctions=function(){return this.options.additionalFunctions},e.prototype.getTypingSlashWritesDivisionSymbol=function(){return this.options.typingSlashWritesDivisionSymbol},e.prototype.getTypingAsteriskWritesTimesSymbol=function(){return this.options.typingAsteriskWritesTimesSymbol},e.prototype.setProjectorMode=function(e){this.projectorMode=e,this.listFontSize=this.projectorMode?1.5*this.fontSize:this.fontSize},e.prototype.isProjectorMode=function(){return this.projectorMode},e.prototype.isScientificCalc=function(){var e=this.options.evaluationMode;return"scientific"===e||"singleExpressionScientific"===e},e.prototype.isFourFunctionCalc=function(){return"fourFunction"===this.options.evaluationMode},e.prototype.canUndo=function(){return this.stateStack.canUndo()},e.prototype.canRedo=function(){return this.stateStack.canRedo()},e.prototype.undo=function(e){if(this.canUndo()){this.stateStack.undo();var t=this.stateStack.getState();if(!e.restoreFocus){var n={focus:void 0};t=r.__assign({},t,{ui:n})}this.model.setState(t),this.enqueueEvent("change")}},e.prototype.redo=function(e){if(this.canRedo()){this.stateStack.redo();var t=this.stateStack.getState();if(!e.restoreFocus){var n={focus:void 0};t=r.__assign({},t,{ui:n})}this.model.setState(t),this.enqueueEvent("change")}},e.prototype.clearHistory=function(){this.stateStack.clear()},e.prototype.canBackspace=function(){var e=this.model.getFocusedExpression();return e&&(e.latex.length>0||this.model.getNumberOfExpressions()>1)},e.prototype.focusLastExpression=function(){this.model.focusLastExpression()},e.prototype.canClear=function(){return this.model.canClear()},e.prototype.shouldShowClear=function(){return this.model.shouldShowClear()},e.prototype.closeSettingsMenu=function(){this.settingsMenuOpen=!1},e.prototype.toggleSettingsMenu=function(){this.settingsMenuOpen=!this.settingsMenuOpen},e.prototype.isSettingsMenuOpen=function(){return this.settingsMenuOpen},e.prototype.isLastExpressionEmpty=function(){return this.model.isLastExpressionEmpty()},e.prototype.createAtEnd=function(){this.model.createAtEnd()},e.prototype.clearFocusedExpression=function(){this.model.clearFocusedExpression()},e.prototype.setLatexById=function(e,t){this.model.setLatexById(e,t)},e.prototype.setLatexAndBrailleById=function(e,t,n){this.model.setLatexAndBrailleById(e,t,n)},e.prototype.setLatexOfFocusedExpression=function(e){this.model.setLatexOfFocusedExpression(e)},e.prototype.conditionallyCopyPrevious=function(e){this.model.conditionallyCopyPrevious(e)},e.prototype.createBlankAfterId=function(e){this.model.createBlankAfterId(e)},e.prototype.backspaceAtFrontOfId=function(e){this.model.backspaceAtFrontOfId(e)},e.prototype.areStatesDifferentEnoughForUndoRedo=function(e,t){var n={focus:void 0};return o.isEqual(r.__assign({},e,{ui:n}),r.__assign({},t,{ui:n}))},e.prototype.commitUndoRedoDebounced=function(){var e=this.model.getState(),t=this.stateStack.getState();if(!this.areStatesDifferentEnoughForUndoRedo(e,t)){var n=(new Date).getTime();n-this._lastDebouncedTime<1e3?this.stateStack.replaceState(e):this.stateStack.addState(e),this._lastDebouncedTime=n,this.enqueueEvent("change")}},e.prototype.commitUndoRedoSynchronously=function(){var e=this.model.getState(),t=this.stateStack.getState();this.areStatesDifferentEnoughForUndoRedo(e,t)||(this._lastDebouncedTime=0,this.stateStack.addState(e),this.enqueueEvent("change"))},e.prototype.updateKeyboardMode=function(e){this.keyboardMode=e},e.prototype.getFocusedMathquill=function(){if(this.model.getFocusedExpressionId())return u.default.getFocusedMathquill()},e.prototype.ensureMathquillIsFocusedAndReturnFocusedMathquill=function(){var e=this.getFocusedMathquill();return e?e:(this.isLastExpressionEmpty()?this.createAtEnd():this.focusLastExpression(),this.onEventEmitted&&this.onEventEmitted("render"),this.getFocusedMathquill())},e.prototype.typeIntoFocusedMathquill=function(e){var t=this.ensureMathquillIsFocusedAndReturnFocusedMathquill();t&&(t.typedText(e),this.setLatexOfFocusedExpression(t.latex()),this.model.markShouldDebounceUndoRedo())},e.prototype.pressKeyInFocusedMathquill=function(e,t){var n=this.ensureMathquillIsFocusedAndReturnFocusedMathquill();if(n)if("Up"===e||"Down"===e||"Left"===e||"Right"===e){var r=u.default.applyArrowKeyAndReturnIfWasAtBounds(n,e,t);r&&this.moveFocusInDirection(e)}else"Enter"===e?this.handleEnter():"Backspace"===e?this.attemptToMoveFocusWithBackspace()||(n.keystroke(e,t),this.setLatexOfFocusedExpression(n.latex())):"Delete"===e?(n.keystroke(e,t),this.setLatexOfFocusedExpression(n.latex())):(n.keystroke(e,t),this.setLatexOfFocusedExpression(n.latex()))},e.prototype.moveFocusInDirection=function(e){var t=this.model.getFocusedExpressionId();t&&("Up"===e?this.model.focusPrevById(t):"Down"===e&&this.model.focusNextById(t))},e.prototype.handleEnter=function(){if(!this.model.isSingleExpression()){var e=this.model.getFocusedExpressionId();e&&(this.conditionallyCopyPrevious(e),this.createBlankAfterId(e))}},e.prototype.attemptToMoveFocusWithBackspace=function(){var e=this.model.getFocusedExpression();if(!e)return!1;var t=e.latex,n=e.id;return""===t&&(this.backspaceAtFrontOfId(n),!0)},e.prototype.executeCommandInFocusedMathquill=function(e){var t=this.ensureMathquillIsFocusedAndReturnFocusedMathquill();t&&(l.execute(t,e),this.setLatexOfFocusedExpression(t.latex()))},e.prototype.syncPublicSettings=function(){this.settings.setProperty("language",this.language),this.settings.setProperty("fontSize",this.fontSize),this.settings.setProperty("degreeMode",this.model.getDegreeMode()),this.settings.setProperty("invertedColors",this.invertedColors),this.settings.setProperty("brailleMode",this.brailleMode),this.settings.setProperty("sixKeyInput",this.sixKeyInput),this.settings.setProperty("projectorMode",this.projectorMode)},e.prototype.hookUpDispatcher=function(){var e=this;this.dispatcher.register(function(t){e.enqueueEvent("render");var n=!1,r=e.getRestrictedEditing();switch(t.type){case"keypad/shift":e.updateKeyboardMode("capitalQwerty"===e.keyboardMode?"qwerty":"capitalQwerty");break;case"undo":r||(e.undo({restoreFocus:"keyboard-shortcut"===t.source}),n=!0);break;case"redo":r||(e.redo({restoreFocus:"keyboard-shortcut"===t.source}),n=!0);break;case"clear-history":e.clearHistory();break;case"set-state-from-api":t.opts.allowUndo||e.clearHistory(),e.model.setStateFromAPI(t.state);break;case"main":e.updateKeyboardMode("main");break;case"ABC":e.options.qwertyKeyboard?e.updateKeyboardMode("qwerty"):e.updateKeyboardMode("letters");break;case"functions":e.updateKeyboardMode("functions");break;case"degrees":e.model.setDegreeMode(!e.model.getDegreeMode());break;case"update-degree-mode":e.model.setDegreeMode(!!t.mode);break;case"update-font-size":var i=t.size;if("number"!=typeof i&&(i=parseInt(i,10)),isNaN(i))return;e.fontSize=i;break;case"update-inverted-colors":e.invertedColors=!!t.mode;break;case"update-projector-mode":e.setProjectorMode(!!t.mode);break;case"update-language":var o=t.language;"en"!==o&&Desmos.supportedLanguages.indexOf(o)===-1?d.warn("Translation for '"+o+"' isn't currently available. Using '"+e.language+"' instead."):e.language=o;break;case"set-blank":t.opts.allowUndo||e.clearHistory(),e.model.clear(),e.focusLastExpression();break;case"clear":e.model.clearFocusedExpression();break;case"set-braille-mode":var s=t.mode;"nemeth"!==s&&"ueb"!==s&&"none"!==s?d.warn("Valid Braille modes are 'nemeth', 'none', and 'ueb'. You passed 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t=this;this.settingsGroupNode=e,s(document).on("dcg-tapstart.dcg-settings-view",function(e){0===s(e.target).closest(".dcg-basic-settings-container").length&&t.controller.dispatch({type:"close-settings-menu"})}),s(document).on("keydown.dcg-settings-view",function(e){if("Esc"===n.lookup(e)&&(t.controller.dispatch({type:"close-settings-menu"}),t.props.settingsButtonNode().focus()),"Tab"===n.lookup(e)&&!e.altKey&&!e.metaKey&&!e.ctrlKey){var 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t.t("func")}),r.createElement(a.default,{command:this.const("degrees"),toggled:function(){return e.model.getDegreeMode()},defaultOption:function(){return t.t("rad")},toggledOption:function(){return t.t("deg")},defaultAriaLabel:function(){return t.t("Radians")},toggledAriaLabel:function(){return t.t("Degrees")},onTap:function(){return t.dispatch({type:"degrees"})},controller:this.props.controller}),r.createElement(c,{predicate:function(){return!e.controller.getRestrictedEditing()}},function(){return r.createElement(o.default,{command:e.const("undo"),disabled:function(){return!t.canUndo()},ariaLabel:function(){return t.t("Undo")},onTap:function(e){return t.dispatch({type:"undo",source:"keyboard"===e.device?"button-keyboard":"button-tap"})}},r.createElement("i",{class:r.const("dcg-icon-undo")}))}),r.createElement(c,{predicate:function(){return!e.controller.getRestrictedEditing()}},function(){return r.createElement(o.default,{command:e.const("redo"),disabled:function(){return!t.canRedo()},ariaLabel:function(){return t.t("Redo")},onTap:function(e){return t.dispatch({type:"redo",source:"keyboard"===e.device?"button-keyboard":"button-tap"})}},r.createElement("i",{class:r.const("dcg-icon-redo")}))}),r.createElement(c,{predicate:function(){return t.shouldShowClear()}},function(){return r.createElement(o.default,{command:e.const("clear"),ariaLabel:function(){return t.t("clear")},onTap:function(){return t.dispatch({type:"clear"})}},function(){return t.t("clear")})}),r.createElement(c,{predicate:function(){return!t.shouldShowClear()}},function(){return r.createElement(o.default,{command:e.const("clearall"),disabled:function(){return!t.canClear()},ariaLabel:function(){return t.t("clear all")},onTap:function(){return t.dispatch({type:"set-blank",opts:{allowUndo:!0}})}},function(){return t.t("clear all")})}),r.createElement(c,{predicate:function(){return e.props.controller().getSettingsMenu()}},function(){return r.createElement(l.default,{controller:e.props.controller})}))},t}(s.DCGViewBasic);t.default=u}),define("basic/keypad/single-expression-control-bar",["require","exports","tslib","dcgview","keypad/control-bar","keypad/control-btn","basic/dcgview-basic","keypad/control-toggle"],function(e,t,n,r,i,o,s,a){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var l=r.Components.If,c=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return n.__extends(t,e),t.prototype.template=function(){var e=this,t=this.props.controller();return r.createElement(i.default,{controller:this.props.controller},r.createElement(a.default,{command:this.const("degrees"),toggled:function(){return e.model.getDegreeMode()},defaultOption:function(){return t.t("rad")},toggledOption:function(){return t.t("deg")},defaultAriaLabel:function(){return t.t("Radians")},toggledAriaLabel:function(){return t.t("Degrees")},onTap:function(){return t.dispatch({type:"degrees"})},controller:this.props.controller}),r.createElement("div",{class:r.const("dcg-spacer")}),r.createElement(l,{predicate:function(){return!e.controller.getRestrictedEditing()}},function(){return r.createElement(o.default,{command:e.const("undo"),disabled:function(){return!t.canUndo()},ariaLabel:function(){return t.t("Undo")},onTap:function(e){return t.dispatch({type:"undo",source:"keyboard"===e.device?"button-keyboard":"button-tap"})}},r.createElement("i",{class:r.const("dcg-icon-undo")}))}),r.createElement(l,{predicate:function(){return!e.controller.getRestrictedEditing()}},function(){return r.createElement(o.default,{command:e.const("redo"),disabled:function(){return!t.canRedo()},ariaLabel:function(){return t.t("Redo")},onTap:function(e){return 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n=new Error(e);throw n.hash=t,n}this.trace(e)},parse:function(e){var t=this,n=[0],r=[null],i=[],o=this.table,s="",a=0,l=0,c=0,u=2,d=1,p=i.slice.call(arguments,1),h=Object.create(this.lexer),f={yy:{}};for(var g in this.yy)Object.prototype.hasOwnProperty.call(this.yy,g)&&(f.yy[g]=this.yy[g]);h.setInput(e,f.yy),f.yy.lexer=h,f.yy.parser=this,"undefined"==typeof h.yylloc&&(h.yylloc={});var m=h.yylloc;i.push(m);var y=h.options&&h.options.ranges;"function"==typeof f.yy.parseError?this.parseError=f.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var v,b,x,w,_,E,S,I,M,k=function(){var e;return e=h.lex()||d,"number"!=typeof e&&(e=t.symbols_[e]||e),e},C={};;){if(x=n[n.length-1],this.defaultActions[x]?w=this.defaultActions[x]:(null!==v&&"undefined"!=typeof v||(v=k()),w=o[x]&&o[x][v]),"undefined"==typeof w||!w.length||!w[0]){var P="";M=[];for(E in o[x])this.terminals_[E]&&E>u&&M.push("'"+this.terminals_[E]+"'");P=h.showPosition?"Parse error on line 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t=e.length,n=e.split(/(?:\r\n?|\n)/g);this._input=e+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-t),this.offset-=t;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-t},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-t]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(e){this.unput(this.match.slice(e))},pastInput:function(){var e=this.matched.substr(0,this.matched.length-this.match.length);return(e.length>20?"...":"")+e.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var e=this.match;return e.length<20&&(e+=this._input.substr(0,20-e.length)),(e.substr(0,20)+(e.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var e=this.pastInput(),t=new Array(e.length+1).join("-");return e+this.upcomingInput()+"\n"+t+"^"},test_match:function(e,t){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),r=e[0].match(/(?:\r\n?|\n).*/g),r&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],n=this.performAction.call(this,this.yy,this,t,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var o in i)this[o]=i[o];return!1}return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var e,t,n,r;this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),o=0;o<i.length;o++)if(n=this._input.match(this.rules[i[o]]),n&&(!t||n[0].length>t[0].length)){if(t=n,r=o,this.options.backtrack_lexer){if(e=this.test_match(n,i[o]),e!==!1)return e;if(this._backtrack){t=!1;continue}return!1}if(!this.options.flex)break}return t?(e=this.test_match(t,i[r]),e!==!1&&e):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var e=this.next();return e?e:this.lex()},begin:function(e){this.conditionStack.push(e)},popState:function(){var e=this.conditionStack.length-1;return e>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(e){return e=this.conditionStack.length-1-Math.abs(e||0),e>=0?this.conditionStack[e]:"INITIAL"},pushState:function(e){this.begin(e)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(e,t,n,r){switch(n){case 0:return this.begin("modexp"),10;case 1:return 20;case 2:return this.begin("modexp"),10;case 3:return 11;case 4:return 12;case 5:return this.popState(),13;case 6:return 63;case 7:return 64;case 8:return 65;case 9:return 66;case 10:return 67;case 11:return 68;case 12:return 69;case 13:return 54;case 14:return 48;case 15:return 49;case 16:return 50;case 17:return 55;case 18:return 51;case 19:return 52;case 20:return 53;case 21:return 57;case 22:return 56;case 23:return 74;case 24:return 70;case 25:return 72;case 26:return 72;case 27:return 72;case 28:return 72;case 29:return 72;case 30:return 72;case 31:return 72;case 32:return 72;case 33:return 71;case 34:return 72;case 35:return 72;case 36:return 71;case 37:return 71;case 38:return 71;case 39:return 71;case 40:return 71;case 41:return 71;case 42:return 71;case 43:return 71;case 44:return 71;case 45:return 73;case 46:return 19;case 47:return 47;case 48:return 20;case 49:return 80;case 50:return 60;case 51:return 14;case 52:return this.begin("radical"),16;case 53:return this.popState(),17;case 54:return 17;case 55:return 77;case 56:return 79;case 57:return 78;case 58:return 59;case 59:return 59;case 60:return t.yytext=this.matches[1],75;case 61:return 22;case 62:return 23;case 63:return 24;case 64:return t.yytext=this.matches[1],62;case 65:return 61;case 66:return 76;case 67:return 81;case 68:return 46;case 69:return 47;case 70:return 58;case 71:return 5}},rules:[/^(?:"(?=[^>\]]+%))/,/^(?:")/,/^(?:"(?=[^>\]]+\]|[^>\]]+%))/,/^(?:%)/,/^(?:<)/,/^(?:\])/,/^(?:[+])/,/^(?:[-])/,/^(?:[*])/,/^(?:[@][*])/,/^(?:[@][\#])/,/^(?:[_][\/])/,/^(?:[.][\/])/,/^(?:[.][.][(])/,/^(?:[@][(])/,/^(?:[.][(])/,/^(?:[(])/,/^(?:[.][.][)])/,/^(?:[@][)])/,/^(?:[.][)])/,/^(?:[)])/,/^(?:[\\][\\])/,/^(?:[\\])/,/^(?:[_][3])/,/^(?:[@][0])/,/^(?:[ ][\^;]+[.]K[ ])/,/^(?:[\^;]+[=])/,/^(?:[ ][\^;]+[\/][.]K[ ])/,/^(?:[ ][\^;]+["]K[:][ ])/,/^(?:[ ][\^;]+[.]1[:][ ])/,/^(?:[ ][\^;]+["]K[ ])/,/^(?:[ ][\^;]+[.]1[ ])/,/^(?:[ ][\^;]+[\/][$][L][ ])/,/^(?:[ ][.]K[ ])/,/^(?:[ ][\^;]+[\/]?[$][L][ ])/,/^(?:[ ][\^;]+[$]P[ ])/,/^(?:[=])/,/^(?:[ ][\/][.]K[ ])/,/^(?:[ ]["]K[:][ ])/,/^(?:[ ][.]1[:][ ])/,/^(?:[ ]["]K[ ])/,/^(?:[ ][.]1[ ])/,/^(?:[@][:])/,/^(?:[ ][\/]?[$][L][ ])/,/^(?:[ ][$]P[ ])/,/^(?:[ ]?['][']['][ ]?)/,/^(?:[\^;]+)/,/^(?:[.]["])/,/^(?:["])/,/^(?:[']+)/,/^(?:[.][,]?[ABGDEZ\?\:IKLMNXOPRSTUYF\&W])/,/^(?:[.]*[<])/,/^(?:[.]*[>])/,/^(?:[.]*\])/,/^(?:[.]*\])/,/^(?:!)/,/^(?:[_]&)/,/^(?:&)/,/^(?:(ARC)?(SIN|COS|TAN|CSC|SEC|COT)(H)?)/,/^(?:(ARG|DET|EXP|IM|INF|LIM|LN|LOG|MAX|MIN|MOD|RE|SUP))/,/^(?:#?(\d*\.?\d+))/,/^(?:[,]*[?])/,/^(?:[,]*[\/])/,/^(?:[,]*#)/,/^(?:[,]([A-Z]))/,/^(?:[A-Z])/,/^(?:[,][=])/,/^(?:[_][8])/,/^(?:[,][ ]?)/,/^(?:[.])/,/^(?:[ ])/,/^(?:$)/],conditions:{radical:{rules:[0,1,2,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71],inclusive:!0},modexp:{rules:[2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71],inclusive:!0},INITIAL:{rules:[2,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71],inclusive:!0}}};return e}();return $.lexer=Y,e.prototype=$,$.Parser=e,new e}();t.parser=i,t.Parser=i.Parser,t.parse=function(){return i.parse.apply(i,arguments)},t.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),e.exit(1));var i=n(4).readFileSync(n(5).normalize(r[1]),"utf8");return t.parser.parse(i)},"undefined"!=typeof r&&n.c[n.s]===r&&t.main(e.argv.slice(1))}).call(t,n(1),n(8)(e))},function(e,t,n){(function(e,r){var i=function(){function e(){this.yy={}}var t=function(e,t,n,r){for(n=n||{},r=e.length;r--;n[e[r]]=t);return n},n=[1,15],r=[1,16],i=[1,17],o=[1,36],s=[1,18],a=[1,37],l=[1,38],c=[1,14],u=[1,46],d=[1,47],p=[1,39],h=[1,40],f=[1,41],g=[1,56],m=[1,42],y=[1,43],v=[1,44],b=[1,45],x=[1,54],w=[1,55],_=[1,57],E=[1,58],S=[1,59],I=[1,60],M=[1,61],k=[1,62],C=[1,63],P=[1,64],A=[1,65],T=[1,66],L=[1,67],O=[1,68],D=[1,69],q=[1,70],F=[1,71],N=[1,72],R=[1,73],j=[1,74],B=[1,48],V=[1,49],U=[1,50],G=[1,51],z=[1,52],H=[1,75],K=[1,53],W=[5,14,18,19,29,52,53,54],$=[5,10,13,14,15,18,19,29,52,53,54],Y=[5,10,13,14,15,17,18,19,21,23,24,28,29,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86],X=[1,83],Q=[1,84],Z=[1,85],J=[10,13,15,17,21,23,24,28,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,64,65,66,67,68,69,70,71,72,73,74,75,76,77,78,79,80,81,82,83,84,85,86],ee={trace:function(){},yy:{},symbols_:{error:2,sentence:3,group:4,EOF:5,expression_group:6,delimited_expression:7,level:8,radical:9,LEVEL:10,basic_token:11,bracketed_expression:12,RADICAL_WITH_INDEX:13,CLOSE_RADICAL:14,RADICAL:15,frac:16,OPEN_FRAC:17,OVER:18,CLOSE_FRAC:19,simple_frac:20,NUMBER:21,NUMBER_FRAC_DENOMINATOR:22,NUMBER_FRAC_NUMERATOR_BAD:23,NUMBER_FRAC_DENOMINATOR_BAD:24,atom:25,lbracket:26,rbracket:27,OPEN_GROUP:28,CLOSE_GROUP:29,command:30,greek:31,letter:32,comma:33,period:34,colon:35,infinity:36,integral:37,factorial:38,ampersand:39,question_mark:40,bracket:41,space:42,operation:43,comparison:44,ellipsis:45,primes:46,",":47,".":48,"[":49,"{":50,"(":51,"]":52,"}":53,")":54,SPACE:55,COMMAND:56,GREEK:57,CAPITAL_LETTER:58,LETTER:59,PIPE:60,DOUBLE_PIPE:61,"+":62,"-":63,CDOT:64,TIMES:65,"*":66,DIV:67,SLASH:68,PERCENT:69,"=":70,NEQ:71,"<":72,">":73,LEQ:74,GEQ:75,TILDE:76,PARALLEL:77,PERPENDICULAR:78,ELLIPSIS:79,COLON:80,INFINITY:81,INTEGRAL:82,FACTORIAL:83,"&":84,PRIMES:85,"?":86,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",10:"LEVEL",13:"RADICAL_WITH_INDEX",14:"CLOSE_RADICAL",15:"RADICAL",17:"OPEN_FRAC",18:"OVER",19:"CLOSE_FRAC",21:"NUMBER",22:"NUMBER_FRAC_DENOMINATOR",23:"NUMBER_FRAC_NUMERATOR_BAD",24:"NUMBER_FRAC_DENOMINATOR_BAD",28:"OPEN_GROUP",29:"CLOSE_GROUP",47:",",48:".",49:"[",50:"{",51:"(",52:"]",53:"}",54:")",55:"SPACE",56:"COMMAND",57:"GREEK",58:"CAPITAL_LETTER",59:"LETTER",60:"PIPE",61:"DOUBLE_PIPE",62:"+",63:"-",64:"CDOT",65:"TIMES",66:"*",67:"DIV",68:"SLASH",69:"PERCENT",70:"=",71:"NEQ",72:"<",73:">",74:"LEQ",75:"GEQ",76:"TILDE",77:"PARALLEL",78:"PERPENDICULAR",79:"ELLIPSIS",80:"COLON",81:"INFINITY",82:"INTEGRAL",83:"FACTORIAL",84:"&",85:"PRIMES",86:"?"},productions_:[0,[3,2],[3,1],[4,3],[4,2],[4,1],[4,2],[4,1],[7,1],[7,1],[8,2],[8,2],[8,2],[9,4],[9,3],[9,3],[9,2],[9,4],[9,3],[9,2],[16,5],[16,4],[16,4],[16,3],[16,2],[20,2],[20,1],[20,1],[11,1],[11,1],[11,1],[6,2],[6,2],[6,1],[6,1],[12,3],[12,2],[12,3],[12,2],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[25,1],[33,1],[34,1],[26,1],[26,1],[26,1],[27,1],[27,1],[27,1],[42,1],[30,1],[31,1],[32,1],[32,1],[41,1],[41,1],[43,1],[43,1],[43,1],[43,1],[43,1],[43,1],[43,1],[43,1],[44,1],[44,1],[44,1],[44,1],[44,1],[44,1],[44,1],[44,1],[44,1],[45,1],[35,1],[36,1],[37,1],[38,1],[39,1],[46,1],[40,1]],performAction:function(e,t,n,r,i,o,s){var a=o.length-1;switch(i){case 1:return o[a-1];case 2:return r.group();case 3:case 35:this.$=r.group(o[a-2],o[a-1],o[a]);break;case 4:case 6:case 31:case 32:case 36:this.$=r.group(o[a-1],o[a]);break;case 5:case 7:case 33:case 34:this.$=r.group(o[a]);break;case 10:case 11:case 12:this.$=r.basic_level(o[a-1],r.group(o[a]));break;case 13:case 17:this.$=r.radical(o[a-1],r.group(o[a-2]));break;case 14:case 15:this.$=r.radical(r.group(),r.group(o[a-1]));break;case 16:this.$=r.radical(r.group(),r.group());break;case 18:this.$=r.radical(o[a-1]);break;case 19:this.$=r.radical(r.group());break;case 20:this.$=r.fraction(o[a-3],o[a-1]);break;case 21:this.$=r.fraction(o[a-2],r.group());break;case 22:this.$=r.fraction(r.group(),o[a-1]);break;case 23:case 24:this.$=r.fraction(r.group(),r.group());break;case 25:this.$=r.fraction(r.group(r.terminal(r.to_number(o[a-1]))),r.group(r.terminal(r.to_number(o[a]))));break;case 26:this.$=r.fraction(r.group(r.terminal(r.to_number(o[a]))),r.group());break;case 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76:this.$=r.terminal("*");break;case 77:this.$=r.terminal("\\div ");break;case 78:this.$=r.terminal("/");break;case 79:this.$=r.terminal("\\%");break;case 80:this.$=r.terminal("=");break;case 81:this.$=r.terminal("\\neq ");break;case 82:this.$=r.terminal("<");break;case 83:this.$=r.terminal(">");break;case 84:this.$=r.terminal("\\leq ");break;case 85:this.$=r.terminal("\\geq ");break;case 86:this.$=r.terminal("\\sim ");break;case 87:this.$=r.terminal("\\parallel ");break;case 88:this.$=r.terminal("\\perp ");break;case 89:this.$=r.terminal("\\ldots ");break;case 90:this.$=r.terminal(":");break;case 91:this.$=r.terminal("\\infty ");break;case 92:this.$=r.terminal("\\int ");break;case 93:this.$=r.terminal("!");break;case 94:this.$=r.terminal("\\&");break;case 95:this.$=r.primes(o[a]);break;case 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You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(e){this.unput(this.match.slice(e))},pastInput:function(){var e=this.matched.substr(0,this.matched.length-this.match.length);return(e.length>20?"...":"")+e.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var e=this.match;return e.length<20&&(e+=this._input.substr(0,20-e.length)),(e.substr(0,20)+(e.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var e=this.pastInput(),t=new Array(e.length+1).join("-");return e+this.upcomingInput()+"\n"+t+"^"},test_match:function(e,t){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),r=e[0].match(/(?:\r\n?|\n).*/g),r&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],n=this.performAction.call(this,this.yy,this,t,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var o in i)this[o]=i[o];return!1}return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var e,t,n,r;this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),o=0;o<i.length;o++)if(n=this._input.match(this.rules[i[o]]),n&&(!t||n[0].length>t[0].length)){if(t=n,r=o,this.options.backtrack_lexer){if(e=this.test_match(n,i[o]),e!==!1)return e;if(this._backtrack){t=!1;continue}return!1}if(!this.options.flex)break}return t?(e=this.test_match(t,i[r]),e!==!1&&e):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". Unrecognized text.\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},lex:function(){var e=this.next();return e?e:this.lex()},begin:function(e){this.conditionStack.push(e)},popState:function(){var e=this.conditionStack.length-1;return e>0?this.conditionStack.pop():this.conditionStack[0]},_currentRules:function(){return this.conditionStack.length&&this.conditionStack[this.conditionStack.length-1]?this.conditions[this.conditionStack[this.conditionStack.length-1]].rules:this.conditions.INITIAL.rules},topState:function(e){return e=this.conditionStack.length-1-Math.abs(e||0),e>=0?this.conditionStack[e]:"INITIAL"},pushState:function(e){this.begin(e)},stateStackSize:function(){return this.conditionStack.length},options:{},performAction:function(e,t,n,r){switch(n){case 0:return void this.begin("captext");case 1:return 58;case 2:return this.popState(),58;case 3:return 62;case 4:return 63;case 5:return 64;case 6:return 65;case 7:return 66;case 8:return 67;case 9:return 49;case 10:return 50;case 11:return 51;case 12:return 52;case 13:return 53;case 14:return 54;case 15:return 71;case 16:return 74;case 17:return 75;case 18:return 70;case 19:return 72;case 20:return 73;case 21:return 76;case 22:return 69;case 23:return 79;case 24:return 13;case 25:return 15;case 26:return 14;case 27:return 10;case 28:return 28;case 29:return 29;case 30:return 82;case 31:return 83;case 32:return 84;case 33:return 17;case 34:return 18;case 35:return 19;case 36:return 77;case 37:return 78;case 38:return 81;case 39:return t.yytext=this.matches[1],21;case 40:return t.yytext=this.matches[1],22;case 41:return t.yytext=this.matches[1],24;case 42:return 68;case 43:return 47;case 44:return 48;case 45:return 85;case 46:return 61;case 47:return 60;case 48:return 80;case 49:return 56;case 50:return 56;case 51:return 57;case 52:return t.yytext=this.matches[1],58;case 53:return 59;case 54:return;case 55:return 86;case 56:return;case 57:return 55;case 58:return 5}},rules:[/^(?:([,][,])(?=[A-Z]))/,/^(?:[A-Z](?=[A-Z]))/,/^(?:[A-Z])/,/^(?:["][6])/,/^(?:["][-])/,/^(?:["][4])/,/^(?:["][8])/,/^(?:["][9])/,/^(?:["][\/])/,/^(?:[.][<])/,/^(?:[_][<])/,/^(?:["][<])/,/^(?:[.][>])/,/^(?:[_][>])/,/^(?:["][>])/,/^(?:["][7][@][:])/,/^(?:[_][@][<])/,/^(?:[_][@][>])/,/^(?:["][7])/,/^(?:[@][<])/,/^(?:[@][>])/,/^(?:[@][9])/,/^(?:[.][0])/,/^(?:[4][4][4])/,/^(?:[%][9])/,/^(?:[%])/,/^(?:[\+])/,/^(?:[95]+)/,/^(?:[<])/,/^(?:[>])/,/^(?:!)/,/^(?:[6])/,/^(?:[@]&)/,/^(?:[(])/,/^(?:[.][\/])/,/^(?:[)])/,/^(?:#[L])/,/^(?:#-)/,/^(?:#=)/,/^(?:#([A-J4]+))/,/^(?:[\/]([A-J4]+))/,/^(?:[#][\/]([A-J4]+))/,/^(?:[_]?[\/])/,/^(?:[1])/,/^(?:[4])/,/^(?:[7]+)/,/^(?:[_][\\][_][\\])/,/^(?:[_][\\])/,/^(?:[3])/,/^(?:(ARC)?(SIN|COS|TAN|CSC|SEC|COT)(H)?)/,/^(?:(ARG|DET|EXP|IM|INF|LIM|LN|LOG|MAX|MIN|MOD|RE|SUP))/,/^(?:[,]?[.][ABGDEZ\?\:IKLMNXOPRSTUYF\&W])/,/^(?:[,]([A-Z]))/,/^(?:[A-Z])/,/^(?:[,]['])/,/^(?:[8])/,/^(?:[;])/,/^(?:[ ])/,/^(?:$)/],conditions:{captext:{rules:[0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58],inclusive:!0},INITIAL:{rules:[0,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58],inclusive:!0}}};return e}();return ee.lexer=te,e.prototype=ee,ee.Parser=e,new e}();t.parser=i,t.Parser=i.Parser,t.parse=function(){return i.parse.apply(i,arguments)},t.main=function(r){r[1]||(console.log("Usage: "+r[0]+" FILE"),e.exit(1));var i=n(4).readFileSync(n(5).normalize(r[1]),"utf8");return t.parser.parse(i)},"undefined"!=typeof r&&n.c[n.s]===r&&t.main(e.argv.slice(1))}).call(t,n(1),n(8)(e))},function(e,t,n){function r(e){for(var t=[],n=0;n<e.length;n++){var d=e[n];switch(d.type){case"command":var p=d.value.slice(1).trim();c.hasOwnProperty(d.value)?t.push(a.command(c[d.value])):s.containsValue(p)?t.push(a.typeform("operator_name",i(p))):u[d.value]||t.push(d);break;case"level":var h={subscript:d.subscript&&d.subscript.length>0?r(d.subscript):void 0,superscript:d.superscript&&d.superscript.length>0?r(d.superscript):void 0,type:d.type};(h.subscript||h.superscript)&&t.push(h);break;case"fraction":t.push({denominator:r(d.denominator),numerator:r(d.numerator),type:d.type});break;case"radical":t.push({index:d.index?r(d.index):void 0,radicand:r(d.radicand),type:d.type});break;case"terminal":o(e.slice(n))?(t.push({type:"command",value:"\\ldots"}),n+=2):t.push({type:d.type,value:l.hasOwnProperty(d.value)?l[d.value]:d.value});break;case"typeform":t.push(d);break;case"greek":t.push({type:d.type,value:l.hasOwnProperty(d.value)?l[d.value]:d.value});break;default:throw new Error("Unexpected item:\n"+JSON.stringify({group:e,item:d}))}}return t}function i(e){for(var t=[],n=0,r=e;n<r.length;n++){var i=r[n];t.push(a.terminal(i))}return t}function o(e){for(var t=0,n=0;n<Math.min(3,e.length);n++){var r=e[n];"terminal"===r.type&&"."===r.value&&t++}return 3===t}Object.defineProperty(t,"__esModule",{value:!0});var s=n(2),a=n(7),l={"~":"\\ "},c={"\\,":"\\ ","\\Vert":"\\|","\\ge":"\\geq","\\le":"\\leq","\\vert":"|"},u={"\\space":!0};t.default=r},function(e,t,n){function r(e){try{return{isError:!1,value:o.parser.parse(e)}}catch(e){return{isError:!0,error:i.default(e)}}}Object.defineProperty(t,"__esModule",{value:!0});var i=n(6),o=n(13),s=n(7);o.parser.yy=s,t.default=r},function(e,t,n){(function(e,r){var i=function(){function e(){this.yy={}}var t=function(e,t,n,r){for(n=n||{},r=e.length;r--;n[e[r]]=t);return n},n=[1,13],r=[1,14],i=[1,15],o=[1,16],s=[1,17],a=[1,19],l=[1,18],c=[1,20],u=[1,21],d=[1,26],p=[1,28],h=[1,29],f=[1,30],g=[1,31],m=[1,27],y=[5,21,25,36],v=[5,19,21,22,23,24,25,26,30,31,32,33,34,35,36],b=[5,10,12,13,14,19,21,22,23,24,25,26,30,31,32,33,34,35,36],x=[5,10,19,21,22,23,24,25,26,30,31,32,33,34,35,36],w={trace:function(){},yy:{},symbols_:{error:2,sentence:3,group:4,EOF:5,level:6,expression:7,subscript:8,superscript:9,_:10,atom:11,"^":12,"PRIMES^":13,PRIMES:14,delimited_group:15,operator_name:16,frac:17,radical:18,LEFT:19,delimiter:20,RIGHT:21,FRAC:22,OPERATOR_NAME:23,RADICAL_OPTARG:24,CLOSE_OPTARG:25,RADICAL:26,curly_group:27,greek:28,command:29,SYMBOL:30,DELIMITER:31,DELIMITER_COMMAND:32,GREEK:33,COMMAND:34,"{":35,"}":36,$accept:0,$end:1},terminals_:{2:"error",5:"EOF",10:"_",12:"^",13:"PRIMES^",14:"PRIMES",19:"LEFT",21:"RIGHT",22:"FRAC",23:"OPERATOR_NAME",24:"RADICAL_OPTARG",25:"CLOSE_OPTARG",26:"RADICAL",30:"SYMBOL",31:"DELIMITER",32:"DELIMITER_COMMAND",33:"GREEK",34:"COMMAND",35:"{",36:"}"},productions_:[0,[3,2],[3,1],[4,3],[4,2],[4,1],[4,2],[4,1],[6,2],[6,2],[6,1],[6,1],[8,2],[9,2],[9,2],[9,1],[7,1],[7,1],[7,1],[7,1],[7,1],[15,5],[15,4],[17,3],[16,2],[18,4],[18,3],[18,2],[18,2],[11,1],[11,1],[11,1],[11,1],[11,1],[20,1],[20,1],[28,1],[29,1],[27,3],[27,2]],performAction:function(e,t,n,r,i,o,s){var a=o.length-1;switch(i){case 1:return o[a-1];case 2:return r.group();case 3:this.$=r.group(o[a-2],o[a-1],o[a]);break;case 4:case 6:this.$=r.group(o[a-1],o[a]);break;case 5:case 7:this.$=r.group(o[a]);break;case 8:this.$=r.level({_:r.group(o[a-1]),"^":r.group(o[a])});break;case 9:this.$=r.level({_:r.group(o[a]),"^":r.group(o[a-1])});break;case 10:this.$=r.level({"^":r.group(o[a])});break;case 11:this.$=r.level({_:r.group(o[a])});break;case 12:case 13:this.$=o[a];break;case 14:this.$=r.processPrimes(o[a-1],o[a]);break;case 15:this.$=r.processPrimes(o[a],r.group());break;case 21:this.$=r.group(o[a-3],o[a-2],o[a]);break;case 22:this.$=r.group(o[a-2],o[a]);break;case 23:this.$=r.fraction(r.group(o[a-1]),r.group(o[a]));break;case 24:this.$=r.typeform("operator_name",r.group(o[a]));break;case 25:this.$=r.radical(o[a],r.group(o[a-2]));break;case 26:this.$=r.radical(r.group(o[a]),r.group());break;case 27:case 28:this.$=r.radical(r.group(o[a]));break;case 33:case 34:this.$=r.terminal(o[a]);break;case 35:case 37:this.$=r.command(o[a]);break;case 36:this.$=r.greek(o[a]);break;case 38:this.$=o[a-1];break;case 39:this.$=r.group()}},table:[{3:1,4:2,5:[1,3],6:4,7:5,8:6,9:7,10:n,11:12,12:r,13:i,14:o,15:8,16:9,17:10,18:11,19:s,20:23,22:a,23:l,24:c,26:u,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{1:[3]},{5:[1,32]},{1:[2,2]},t(y,[2,5],{15:8,16:9,17:10,18:11,11:12,27:22,20:23,28:24,29:25,7:33,19:s,22:a,23:l,24:c,26:u,30:d,31:p,32:h,33:f,34:g,35:m}),t(y,[2,7],{6:4,7:5,8:6,9:7,15:8,16:9,17:10,18:11,11:12,27:22,20:23,28:24,29:25,4:34,10:n,12:r,13:i,14:o,19:s,22:a,23:l,24:c,26:u,30:d,31:p,32:h,33:f,34:g,35:m}),t(v,[2,11],{9:35,12:r,13:i,14:o}),t(v,[2,10],{8:36,10:n}),t(b,[2,16]),t(b,[2,17]),t(b,[2,18]),t(b,[2,19]),t(b,[2,20]),{11:37,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{11:38,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{11:39,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},t(x,[2,15]),{20:40,31:p,32:h},{11:41,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{11:42,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{4:43,6:4,7:5,8:6,9:7,10:n,11:12,12:r,13:i,14:o,15:8,16:9,17:10,18:11,19:s,20:23,22:a,23:l,24:c,25:[1,44],26:u,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{11:45,17:46,20:23,22:a,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},t(b,[2,29]),t(b,[2,30]),t(b,[2,31]),t(b,[2,32]),t(b,[2,33]),{4:47,6:4,7:5,8:6,9:7,10:n,11:12,12:r,13:i,14:o,15:8,16:9,17:10,18:11,19:s,20:23,22:a,23:l,24:c,26:u,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m,36:[1,48]},t(b,[2,34]),t(b,[2,35]),t(b,[2,36]),t(b,[2,37]),{1:[2,1]},t(y,[2,4],{6:4,7:5,8:6,9:7,15:8,16:9,17:10,18:11,11:12,27:22,20:23,28:24,29:25,4:49,10:n,12:r,13:i,14:o,19:s,22:a,23:l,24:c,26:u,30:d,31:p,32:h,33:f,34:g,35:m}),t(y,[2,6]),t(v,[2,8]),t(v,[2,9]),t([5,12,13,14,19,21,22,23,24,25,26,30,31,32,33,34,35,36],[2,12]),t(x,[2,13]),t(x,[2,14]),{4:50,6:4,7:5,8:6,9:7,10:n,11:12,12:r,13:i,14:o,15:8,16:9,17:10,18:11,19:s,20:23,21:[1,51],22:a,23:l,24:c,26:u,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},t(b,[2,24]),{11:52,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},{25:[1,53]},{11:54,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},t(b,[2,27]),t(b,[2,28]),{36:[1,55]},t(b,[2,39]),t(y,[2,3]),{21:[1,56]},{20:57,31:p,32:h},t(b,[2,23]),{11:58,20:23,27:22,28:24,29:25,30:d,31:p,32:h,33:f,34:g,35:m},t(b,[2,26]),t(b,[2,38]),{20:59,31:p,32:h},t(b,[2,22]),t(b,[2,25]),t(b,[2,21])],defaultActions:{3:[2,2],32:[2,1]},parseError:function(e,t){if(!t.recoverable){var n=new Error(e);throw n.hash=t,n}this.trace(e)},parse:function(e){var t=this,n=[0],r=[null],i=[],o=this.table,s="",a=0,l=0,c=0,u=2,d=1,p=i.slice.call(arguments,1),h=Object.create(this.lexer),f={yy:{}};for(var g in this.yy)Object.prototype.hasOwnProperty.call(this.yy,g)&&(f.yy[g]=this.yy[g]);h.setInput(e,f.yy),f.yy.lexer=h,f.yy.parser=this,"undefined"==typeof h.yylloc&&(h.yylloc={});var m=h.yylloc;i.push(m);var y=h.options&&h.options.ranges;"function"==typeof f.yy.parseError?this.parseError=f.yy.parseError:this.parseError=Object.getPrototypeOf(this).parseError;for(var v,b,x,w,_,E,S,I,M,k=function(){var e;return e=h.lex()||d,"number"!=typeof e&&(e=t.symbols_[e]||e),e},C={};;){if(x=n[n.length-1],this.defaultActions[x]?w=this.defaultActions[x]:(null!==v&&"undefined"!=typeof v||(v=k()),w=o[x]&&o[x][v]),"undefined"==typeof w||!w.length||!w[0]){var P="";M=[];for(E in o[x])this.terminals_[E]&&E>u&&M.push("'"+this.terminals_[E]+"'");P=h.showPosition?"Parse error on line "+(a+1)+":\n"+h.showPosition()+"\nExpecting "+M.join(", ")+", got '"+(this.terminals_[v]||v)+"'":"Parse error on line "+(a+1)+": Unexpected "+(v==d?"end of input":"'"+(this.terminals_[v]||v)+"'"),this.parseError(P,{text:h.match,token:this.terminals_[v]||v,line:h.yylineno,loc:m,expected:M})}if(w[0]instanceof Array&&w.length>1)throw new Error("Parse Error: multiple actions possible at state: "+x+", token: "+v);switch(w[0]){case 1:n.push(v),r.push(h.yytext),i.push(h.yylloc),n.push(w[1]),v=null,b?(v=b,b=null):(l=h.yyleng,s=h.yytext,a=h.yylineno,m=h.yylloc,c>0&&c--);break;case 2:if(S=this.productions_[w[1]][1],C.$=r[r.length-S],C._$={first_line:i[i.length-(S||1)].first_line,last_line:i[i.length-1].last_line,first_column:i[i.length-(S||1)].first_column,last_column:i[i.length-1].last_column},y&&(C._$.range=[i[i.length-(S||1)].range[0],i[i.length-1].range[1]]),_=this.performAction.apply(C,[s,l,a,f.yy,w[1],r,i].concat(p)),"undefined"!=typeof _)return _;S&&(n=n.slice(0,-1*S*2),r=r.slice(0,-1*S),i=i.slice(0,-1*S)),n.push(this.productions_[w[1]][0]),r.push(C.$),i.push(C._$),I=o[n[n.length-2]][n[n.length-1]],n.push(I);break;case 3:return!0}}return!0}},_=function(){var e={EOF:1,parseError:function(e,t){if(!this.yy.parser)throw new Error(e);this.yy.parser.parseError(e,t)},setInput:function(e,t){return this.yy=t||this.yy||{},this._input=e,this._more=this._backtrack=this.done=!1,this.yylineno=this.yyleng=0,this.yytext=this.matched=this.match="",this.conditionStack=["INITIAL"],this.yylloc={first_line:1,first_column:0,last_line:1,last_column:0},this.options.ranges&&(this.yylloc.range=[0,0]),this.offset=0,this},input:function(){var e=this._input[0];this.yytext+=e,this.yyleng++,this.offset++,this.match+=e,this.matched+=e;var t=e.match(/(?:\r\n?|\n).*/g);return t?(this.yylineno++,this.yylloc.last_line++):this.yylloc.last_column++,this.options.ranges&&this.yylloc.range[1]++,this._input=this._input.slice(1),e},unput:function(e){var t=e.length,n=e.split(/(?:\r\n?|\n)/g);this._input=e+this._input,this.yytext=this.yytext.substr(0,this.yytext.length-t),this.offset-=t;var r=this.match.split(/(?:\r\n?|\n)/g);this.match=this.match.substr(0,this.match.length-1),this.matched=this.matched.substr(0,this.matched.length-1),n.length-1&&(this.yylineno-=n.length-1);var i=this.yylloc.range;return this.yylloc={first_line:this.yylloc.first_line,last_line:this.yylineno+1,first_column:this.yylloc.first_column,last_column:n?(n.length===r.length?this.yylloc.first_column:0)+r[r.length-n.length].length-n[0].length:this.yylloc.first_column-t},this.options.ranges&&(this.yylloc.range=[i[0],i[0]+this.yyleng-t]),this.yyleng=this.yytext.length,this},more:function(){return this._more=!0,this},reject:function(){return this.options.backtrack_lexer?(this._backtrack=!0,this):this.parseError("Lexical error on line "+(this.yylineno+1)+". You can only invoke reject() in the lexer when the lexer is of the backtracking persuasion (options.backtrack_lexer = true).\n"+this.showPosition(),{text:"",token:null,line:this.yylineno})},less:function(e){this.unput(this.match.slice(e))},pastInput:function(){var e=this.matched.substr(0,this.matched.length-this.match.length);return(e.length>20?"...":"")+e.substr(-20).replace(/\n/g,"")},upcomingInput:function(){var e=this.match;return e.length<20&&(e+=this._input.substr(0,20-e.length)),(e.substr(0,20)+(e.length>20?"...":"")).replace(/\n/g,"")},showPosition:function(){var e=this.pastInput(),t=new Array(e.length+1).join("-");return e+this.upcomingInput()+"\n"+t+"^"},test_match:function(e,t){var n,r,i;if(this.options.backtrack_lexer&&(i={yylineno:this.yylineno,yylloc:{first_line:this.yylloc.first_line,last_line:this.last_line,first_column:this.yylloc.first_column,last_column:this.yylloc.last_column},yytext:this.yytext,match:this.match,matches:this.matches,matched:this.matched,yyleng:this.yyleng,offset:this.offset,_more:this._more,_input:this._input,yy:this.yy,conditionStack:this.conditionStack.slice(0),done:this.done},this.options.ranges&&(i.yylloc.range=this.yylloc.range.slice(0))),r=e[0].match(/(?:\r\n?|\n).*/g),r&&(this.yylineno+=r.length),this.yylloc={first_line:this.yylloc.last_line,last_line:this.yylineno+1,first_column:this.yylloc.last_column,last_column:r?r[r.length-1].length-r[r.length-1].match(/\r?\n?/)[0].length:this.yylloc.last_column+e[0].length},this.yytext+=e[0],this.match+=e[0],this.matches=e,this.yyleng=this.yytext.length,this.options.ranges&&(this.yylloc.range=[this.offset,this.offset+=this.yyleng]),this._more=!1,this._backtrack=!1,this._input=this._input.slice(e[0].length),this.matched+=e[0],n=this.performAction.call(this,this.yy,this,t,this.conditionStack[this.conditionStack.length-1]),this.done&&this._input&&(this.done=!1),n)return n;if(this._backtrack){for(var o in i)this[o]=i[o];return!1}return!1},next:function(){if(this.done)return this.EOF;this._input||(this.done=!0);var e,t,n,r;this._more||(this.yytext="",this.match="");for(var i=this._currentRules(),o=0;o<i.length;o++)if(n=this._input.match(this.rules[i[o]]),n&&(!t||n[0].length>t[0].length)){if(t=n,r=o,this.options.backtrack_lexer){if(e=this.test_match(n,i[o]),e!==!1)return e;if(this._backtrack){t=!1;continue}return!1}if(!this.options.flex)break}return t?(e=this.test_match(t,i[r]),e!==!1&&e):""===this._input?this.EOF:this.parseError("Lexical error on line "+(this.yylineno+1)+". 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t=this;this.rootNode=e,i(this.rootNode).on("focus",function(){t.props.onFocusedChanged(!0)}).on("blur",function(){t.props.onFocusedChanged(!1)}),this.props.didMount(e)},t.prototype.onKeydown=function(e){var t=this.charCodes.indexOf(e.which);return!this.isSixKeyInput()||e.altKey||e.ctrlKey||e.metaKey||e.shiftKey||t===-1?this.props.onKeydown(e):(e.preventDefault(),this.sixKeyModel=n.__assign({},this.sixKeyModel,{keysDown:this.addKey(this.sixKeyModel.keysDown,t),stickyKeysDown:this.addKey(this.sixKeyModel.stickyKeysDown,t)}),!1)},t.prototype.onKeyup=function(e){var t=this.charCodes.indexOf(e.which),r=!1;return!this.isSixKeyInput()||e.altKey||e.ctrlKey||e.metaKey||e.shiftKey||t===-1?r=!0:(this.sixKeyModel=n.__assign({},this.sixKeyModel,{keysDown:this.removeKey(this.sixKeyModel.keysDown,t)}),0===this.sixKeyModel.keysDown&&(this.addCharacter(this.bitsToASCII(this.sixKeyModel.stickyKeysDown)),this.sixKeyModel=n.__assign({},this.sixKeyModel,{stickyKeysDown:0}))),r||e.preventDefault(),r},t.prototype.addKey=function(e,t){return e|1<<t},t.prototype.removeKey=function(e,t){return e&~(1<<t)},t.prototype.bitsToASCII=function(e){return String.fromCharCode(this.ASCIITable[e])},t.prototype.addCharacter=function(e){this.rootNode&&(this.rootNode.setRangeText(e,this.rootNode.selectionStart,this.rootNode.selectionEnd,"end"),this.props.onInput(this.rootNode.value))},t.prototype.isSixKeyInput=function(){return"function"==typeof this.props.sixKeyInput&&this.props.sixKeyInput()},t}(r.Class);t.default=s}),define("loadcss!Abraham",function(){}),define("loadcss!basic/expression-view",function(){}),define("basic/expression-view",["require","exports","keys","tslib","graphing/label","dcgview","i18n","jquery","dcgview-helpers/static-mathquill-view","dcgview-helpers/mathquill-view","./dcgview-basic","abraham","expressions/braille-input","loadcss!Abraham","loadcss!./expression-view"],function(e,t,n,r,i,o,s,a,l,c,u,d,p){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var h=o.Components,f=h.If,g=h.Input,m=h.Textarea,y=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return r.__extends(t,e),t.prototype.getAriaLabel=function(){var e=this.getIndex()+1+"";return this.t("Expression __index__",{index:e})},t.prototype.didUpdate=function(){this.renderAnsValue(),this.controller.renderAsBraille()&&this.getIsFocused()&&this.focusBrailleInput()},t.prototype.didMountMQ=function(e){this.$mq=a(e)},t.prototype.getExp=function(){return this.model.getExpressionById(this.props.id())},t.prototype.getAns=function(){return this.model.getExpressionAns(this.props.id())},t.prototype.getLatex=function(){return this.getExp().latex},t.prototype.getValue=function(){return this.model.getExpressionValue(this.props.id())},t.prototype.getBraille=function(){var e=this.getExp().braille;if(""!==e)return e;var t=this.getBrailleValue(this.getLatex());return t.isError?"":d.UnicodeBraille.toExpandedBrailleAscii(t.value)},t.prototype.getBrailleValue=function(e){return"nemeth"===this.controller.getBrailleMode()?d.latexToNemeth(e):d.latexToUeb(e)},t.prototype.getLatexValue=function(e){return"nemeth"===this.controller.getBrailleMode()?d.nemethToLatex(e):d.uebToLatex(e)},t.prototype.getIndex=function(){return this.model.getExpressionIndex(this.props.id())},t.prototype.getShowEvaluation=function(){return this.model.shouldShowEvaluationForExpression(this.props.id())},t.prototype.getError=function(){var e=this.model.getExpressionError(this.props.id());return e&&this.getLatex().length>0?this.t(s.unpack(e)):""},t.prototype.showError=function(){return!!this.getError()},t.prototype.getIsFocused=function(){return this.model.isExpressionFocused(this.props.id())},t.prototype.onFocusedChanged=function(e){this.getExp()&&(e?this.dispatch({type:"focusin",id:this.props.id()}):this.dispatch({type:"focusout",id:this.props.id()}))},t.prototype.onMQReflow=function(){this.renderedAnsData=void 0,this.renderAnsValue()},t.prototype.renderAnsValue=function(){if(this.$mq){var e=this.getAns();this.renderedAnsData&&this.renderedAnsData.value==e||(this.renderedAnsData={value:e},this.$mq.find(".dcg-mq-ans").each(function(t,n){var r=a(n);if(null!=e){var o=i.truncatedHTMLLabel(e,{digits:6,addEllipses:!0,bigCutoff:1e4});r.removeClass("dcg-invalid").html(o)}else r.addClass("dcg-invalid").html('<i class="dcg-icon-error"></i>')}))}},t.prototype.getEvaluationLatex=function(){var e=this.getValue();void 0===e&&(e=NaN);var t="="+i.truncatedLatexLabel(e,{digits:this.getEvaluationDigits(),bigCutoff:1e9});return t},t.prototype.getEvaluationBraille=function(){var e=this.getEvaluationLatex(),t=this.getBrailleValue(e);return t.isError?"":d.UnicodeBraille.toExpandedBrailleAscii(t.value)},t.prototype.didMountBrailleInput=function(e){this.brailleInputNode=e,this.focusBrailleInput()},t.prototype.didUnmountBrailleInput=function(){this.brailleInputNode=void 0},t.prototype.handleBrailleFocus=function(e){var t=e.target;t&&setTimeout(function(){t.setSelectionRange(0,0)})},t.prototype.handleBrailleKeydown=function(e){if(!(e.altKey||e.ctrlKey||e.metaKey||e.shiftKey)){if(n.lookup(e)===n.UP)return this.forceModelFocus(),this.dispatch({type:"focus-prev-expression"}),!1;if(n.lookup(e)===n.DOWN)return this.forceModelFocus(),this.dispatch({type:"focus-next-expression"}),!1;if(n.lookup(e)===n.ENTER)return this.forceModelFocus(),this.dispatch({type:"insert-blank-expression"}),!1;if(n.lookup(e)===n.BACKSPACE&&document.activeElement===this.brailleInputNode&&""===this.getBraille())return this.dispatch({type:"backspace-from-braille"}),!1}return!0},t.prototype.forceModelFocus=function(){document.activeElement!==this.brailleInputNode&&this.onFocusedChanged(!0)},t.prototype.focusBrailleInput=function(){this.brailleInputNode&&document.activeElement!==this.brailleInputNode&&this.brailleInputNode.focus()},t.prototype.getPostLabel=function(){if(this.showError())return this.getError();if(this.getShowEvaluation()){
var e=this.getValue();return void 0===e&&(e=NaN),"equals "+i.value(e).ariaString}return""},t.prototype.onBrailleInput=function(e){this.controller.isSettingsMenuOpen()&&this.controller.dispatch({type:"close-settings-menu"});var t=this.getLatexValue(d.UnicodeBraille.coerceToSixDotCells(e));this.dispatch({type:"update-latex-from-braille",latex:t.isError?"":t.value,braille:e,id:this.props.id()})},t.prototype.getIndexSubscript=function(){return"_{"+(this.getIndex()+1)+"}"},t.prototype.getEvaluationDigits=function(){return this.controller.isScientificCalc()?14:8},t.prototype.template=function(){var e=this;return o.createElement("div",{class:function(){return{"dcg-basic-expression":!0,"dcg-focused":e.getIsFocused(),"dcg-braille-io":e.controller.renderAsBraille()}}},o.createElement(f,{predicate:function(){return e.controller.renderAsBraille()}},function(){return o.createElement("div",{class:o.const("dcg-braille-input")},o.createElement(p.default,{ariaLabel:function(){var t=e.getBrailleValue("eq"+e.getIndexSubscript());return t.isError?"":d.UnicodeBraille.toExpandedBrailleAscii(t.value)},didMount:e.bindFn(e.didMountBrailleInput),didUnmount:e.bindFn(e.didUnmountBrailleInput),onFocusedChanged:e.bindFn(e.onFocusedChanged),onKeydown:e.bindFn(e.handleBrailleKeydown),onInput:e.bindFn(e.onBrailleInput),sixKeyInput:function(){return e.controller.getSixKeyInput()},value:function(){return e.getBraille()}}))}),o.createElement(f,{predicate:function(){return e.controller.renderAsBraille()}},function(){return o.createElement("div",{class:o.const("dcg-braille-evaluation-container")},o.createElement(f,{predicate:function(){return e.getShowEvaluation()}},function(){return o.createElement("div",{class:o.const("dcg-braille-evaluation")},o.createElement(g,{readonly:e.const("true"),class:e.const("dcg-braille-evaluation-inner"),value:function(){return e.getEvaluationBraille()},onFocus:e.bindFn(e.handleBrailleFocus),onKeydown:e.bindFn(e.handleBrailleKeydown),onInput:function(){}}))}),o.createElement(f,{predicate:function(){return e.showError()}},function(){return o.createElement("div",{class:o.const("dcg-braille-error")},o.createElement("div",{class:o.const("dcg-basic-expression-error")},o.createElement("i",{class:o.const("dcg-icon-error")})),o.createElement(m,{readonly:e.const("true"),class:e.const("dcg-braille-error-inner"),value:function(){return e.getError()},onFocus:e.bindFn(e.handleBrailleFocus),onKeydown:e.bindFn(e.handleBrailleKeydown),onInput:function(){}}))}))}),o.createElement(f,{predicate:function(){return e.controller.renderAsBraille()}},function(){return o.createElement("div",{class:o.const("dcg-exp-mathquill-container"),didMount:e.bindFn(e.didMountMQ),onTap:e.bindFn(e.forceModelFocus)},o.createElement(l.default,{latex:function(){return e.getLatex()},onReflow:e.bindFn(e.onMQReflow)}))}),o.createElement(f,{predicate:function(){return!e.controller.renderAsBraille()}},function(){return o.createElement("div",{class:o.const("dcg-exp-mathquill-container"),didMount:e.bindFn(e.didMountMQ)},o.createElement(c.default,{latex:function(){return e.getLatex()},onReflow:e.bindFn(e.onMQReflow),isFocused:function(){return!e.controller.renderAsBraille()&&e.getIsFocused()},config:e.const({typingAsteriskWritesTimesSymbol:e.controller.getTypingAsteriskWritesTimesSymbol(),typingSlashWritesDivisionSymbol:e.controller.getTypingSlashWritesDivisionSymbol()}),getAriaLabel:function(){return e.getAriaLabel()},getAriaPostLabel:function(){return e.getPostLabel()},hasError:function(){return!1},onUserPressedKey:function(t,n){e.controller.isSettingsMenuOpen()&&e.controller.dispatch({type:"close-settings-menu"}),e.dispatch({type:"keypad/press-key",key:t,evt:n})},onUserTypedText:function(t){return e.dispatch({type:"keypad/type-text",text:t})},onUserChangedLatex:function(t){e.dispatch({type:"update-latex",id:e.props.id(),latex:t})},onFocusedChanged:e.bindFn(e.onFocusedChanged),disableSpace:function(){return e.controller.getRestrictedEditing()}}))}),o.createElement("div",{class:o.const("dcg-exp-output-container")},o.createElement(f,{predicate:function(){return e.showError()&&!e.controller.renderAsBraille()}},function(){return o.createElement("div",{class:o.const("dcg-basic-expression-error dcg-tooltip tipsy-sticky"),"tipsy-dir":o.const("ne"),tooltip:e.bindFn(e.getError)},o.createElement("i",{class:o.const("dcg-icon-error")}))}),o.createElement(f,{predicate:function(){return e.getShowEvaluation()}},function(){return o.createElement("div",{class:o.const("dcg-basic-expression-value")},o.createElement(l.default,{latex:function(){return e.getEvaluationLatex()}}))})))},t}(u.DCGViewBasic);t.default=y}),define("loadcss!basic/basic-list-view",function(){}),define("basic/basic-list-view",["require","exports","scroll_helpers","tslib","dcgview","./dcgview-basic","./expression-view","jquery","lib/conditional_blur","loadcss!./basic-list-view","tipsy"],function(e,t,n,r,i,o,s,a,l){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var c=i.Components,u=c.For,d=c.If,p=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t.didShowAnswerHint=!1,t.didHideAnswerHint=!1,t}return r.__extends(t,e),t.prototype.template=function(){var e=this;return i.createElement("div",{class:i.const("dcg-basic-list-container"),role:i.const("complementary"),"aria-label":function(){return e.controller.t("Expression List")},didMount:this.bindFn(this.didMountContainer)},i.createElement("div",{class:i.const("dcg-basic-list-placeholder"),didMount:this.bindFn(this.didMountPlaceholder)},i.createElement(d,{predicate:this.bindFn(this.showAnswerHint)},function(){return i.createElement("div",{class:i.const("dcg-answer-hint")},function(){return e.controller.t("Your answers show up on this side.")})})),i.createElement(u,{each:function(){return e.model.getExpressionOrder()}},i.createElement("div",{class:i.const("dcg-basic-list"),style:function(){return{"font-size":e.controller.getListFontSize()+"px"}}},function(t){return i.createElement(s.default,{controller:e.props.controller,id:e.const(t)})})))},t.prototype.didMountPlaceholder=function(e){a(e).on("dcg-tap",l.default)},t.prototype.showAnswerHint=function(){if(this.didHideAnswerHint)return!1;var e=this.model.getExpressionOrder()[0];return!(!this.model.shouldShowEvaluationForExpression(e)&&!this.didShowAnswerHint)&&(this.didShowAnswerHint=!0,!(this.model.getNumberOfExpressions()>1||""===this.model.getExpressionLatex(e))||(this.didHideAnswerHint=!0,!1))},t.prototype.didUpdate=function(){if(this.$container){var e=this.$container.find(".dcg-focused");e.length>0&&n.scrollVisible(e,this.$container,50)}},t.prototype.didMountContainer=function(e){this.$container=a(e),this.$container.tipsy({fade:"fast",title:"tooltip",wait:500,gravity:"ne",delegate:".dcg-tooltip",sticky:!0})},t}(o.DCGViewBasic);t.default=p}),define("loadcss!basic/main",function(){}),define("basic/main",["require","exports","lib/aria","keys","browser","tslib","dcgview","./dcgview-basic","jquery","./keypad/fourfunction-control-bar","./keypad/scientific-control-bar","./keypad/single-expression-control-bar","./keypad/fourfunction-keypad","./keypad/single-expression-keypad","./keypad/scientific-keypad","./keypad/braille-keypad","./basic-list-view","loadcss!desmos-icons","loadcss!./main"],function(e,t,n,r,i,o,s,a,l,c,u,d,p,h,f,g,m){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var y=s.Components.If,v=function(e){function t(){return null!==e&&e.apply(this,arguments)||this}return o.__extends(t,e),t.prototype.template=function(){var e=this;return s.createElement("div",{class:s.const("dcg-calc-basic-main-wrapper"),onKeydown:this.bindFn(this.handleRootKeydown),"x-ms-format-detection":s.const("none")},s.createElement("div",{role:s.const("application"),class:function(){return{"dcg-calc-basic-main":!0,"dcg-inverted-colors":e.controller.getInvertedColors(),"dcg-projector-mode":e.controller.isProjectorMode(),"dcg-ipad":i.IS_IPAD}},style:function(){return{"font-size":e.controller.getFontSize()+"px",filter:e.controller.getInvertedColors()?"invert(100%)":"none"}}},s.createElement(m.default,{controller:this.props.controller}),s.createElement(y,{predicate:function(){return e.controller.isScientificCalc()&&e.model.isSingleExpression()}},function(){return s.createElement("div",null,s.createElement(d.default,{controller:e.props.controller}),s.createElement(y,{predicate:function(){return!e.controller.renderAsBraille()}},function(){return s.createElement(h.default,{controller:e.props.controller})}),s.createElement(y,{predicate:function(){return e.controller.renderAsBraille()}},function(){return s.createElement(g.default,{controller:e.props.controller})}))}),s.createElement(y,{predicate:function(){return e.controller.isScientificCalc()&&!e.model.isSingleExpression()}},function(){return s.createElement("div",null,s.createElement(u.default,{controller:e.props.controller}),s.createElement(y,{predicate:function(){return!e.controller.renderAsBraille()}},function(){return s.createElement(f.default,{controller:e.props.controller})}),s.createElement(y,{predicate:function(){return e.controller.renderAsBraille()}},function(){return s.createElement(g.default,{controller:e.props.controller})}))}),s.createElement(y,{predicate:function(){return e.controller.isFourFunctionCalc()}},function(){return s.createElement("div",null,s.createElement(c.default,{controller:e.props.controller}),s.createElement(y,{predicate:function(){return!e.controller.renderAsBraille()}},function(){return s.createElement(p.default,{controller:e.props.controller})}),s.createElement(y,{predicate:function(){return e.controller.renderAsBraille()}},function(){return s.createElement(g.default,{controller:e.props.controller})}))})))},t.prototype.handleRootKeydown=function(e){if(r.isUndo(e))return this.dispatch({type:"undo",source:"keyboard-shortcut"}),!1;if(r.isRedo(e))return this.dispatch({type:"redo",source:"keyboard-shortcut"}),!1;if(!e.metaKey&&!e.shiftKey)if(e.ctrlKey||e.altKey||r.lookup(e)!==r.BACKSPACE){if(e.ctrlKey===i.IS_APPLE&&e.altKey===!i.IS_APPLE){var t=r.lookupChar(e);if("N"===t)return this.dispatch({type:"set-braille-mode",mode:"nemeth"}),n.alert(this.controller.t("Braille mode Nemeth")),!1;if("U"===t)return this.dispatch({type:"set-braille-mode",mode:"ueb"}),n.alert(this.controller.t("Braille mode UEB")),!1;if("Q"===t||"X"===t)return this.dispatch({type:"set-braille-mode",mode:"none"}),n.alert(this.controller.t("Braille mode off")),!1;if("6"===t){var o=!this.controller.getSixKeyInput();return this.dispatch({type:"set-six-key-input",mode:o}),n.alert(o?this.controller.t("Six Key Braille Input on"):this.controller.t("Six Key Braille Input off")),!1}}}else if(!l(document.activeElement).is('input, textarea, [role="textbox"]'))return!1;return!0},t}(a.DCGViewBasic);t.default=v}),define("api/basic",["require","exports","tslib","dcgview","./abstract","main/shared-worker-pool","basic/controller","basic/main","lib/deepCopy"],function(e,t,n,r,i,o,s,a,l){"use strict";Object.defineProperty(t,"__esModule",{value:!0});var c=function(e){function t(t){return e.call(this,t)||this}return n.__extends(t,e),t.prototype.init=function(e){var t=this,r=n.__assign({qwertyKeyboard:!0,degreeMode:!1,settingsMenu:!0,invertedColors:!1,brailleMode:"none",sixKeyInput:!1,projectorMode:!1,functionDefinition:!0,autosize:!0,evaluationMode:"scientific",restrictedEditing:!1,additionalFunctions:["sqrt"],lightKeypad:!1,typingSlashWritesDivisionSymbol:!1,typingAsteriskWritesTimesSymbol:!1},e);this.controller=new s.default({workerPool:o.default,evaluationMode:r.evaluationMode,settingsMenu:r.settingsMenu,restrictedEditing:r.restrictedEditing,degreeMode:r.degreeMode,invertedColors:r.invertedColors,brailleMode:r.brailleMode,sixKeyInput:r.sixKeyInput,projectorMode:r.projectorMode,functionDefinition:r.functionDefinition,lightKeypad:r.lightKeypad,qwertyKeyboard:r.qwertyKeyboard,additionalFunctions:r.additionalFunctions,typingSlashWritesDivisionSymbol:r.typingSlashWritesDivisionSymbol,typingAsteriskWritesTimesSymbol:r.typingAsteriskWritesTimesSymbol}),this.settings=this.controller.settings,this.controller.onEventEmitted=function(e){"render"===e&&t.updateView(),t.triggerEvent(e)},this.setupDomChangeDetector(r.autosize)},t.prototype.onCreateView=function(){var e=r.mountToNode(a.default,this.rootElt,{controller:r.const(this.controller)});return e},t.prototype.setState=function(e,t){t||(t={}),this.controller.dispatch({type:"set-state-from-api",state:e,opts:{allowUndo:!!t.allowUndo}})},t.prototype.getState=function(){return l.default(this.controller.model.getPersistedState())},t.prototype.undo=function(){this.controller.dispatch({type:"undo",source:"api"})},t.prototype.redo=function(){this.controller.dispatch({type:"redo",source:"api"})},t.prototype.clearHistory=function(){this.controller.dispatch({type:"clear-history"})},t.prototype.setBlank=function(e){e||(e={}),this.controller.dispatch({type:"set-blank",opts:{allowUndo:!!e.allowUndo}})},t.prototype.updateSettings=function(e){if(null!=e)for(var t in e)switch(t){case"fontSize":var n=e[t];if(void 0===n)continue;this.controller.dispatch({type:"update-font-size",size:n});break;case"invertedColors":var r=e[t];if(void 0===r)continue;this.controller.dispatch({type:"update-inverted-colors",mode:r});break;case"degreeMode":var i=e[t];if(void 0===i)continue;this.controller.dispatch({type:"update-degree-mode",mode:i});break;case"brailleMode":var o=e[t];this.controller.dispatch({type:"set-braille-mode",mode:o});break;case"sixKeyInput":var s=e[t];if(void 0===s)continue;this.controller.dispatch({type:"set-six-key-input",mode:s});break;case"projectorMode":var a=e[t];if(void 0===a)continue;this.controller.dispatch({type:"update-projector-mode",mode:a});break;case"language":var l=e[t];if(void 0===l)continue;this.controller.dispatch({type:"update-language",language:l})}},t.prototype.focusFirstExpression=function(){this.controller.dispatch({type:"focus-first-expression"})},t.prototype.onResizeView=function(e){},t.prototype.onDestroyView=function(){r.unmountFromNode(this.rootElt)},t.prototype.destroy=function(){this.controller.model.destroy(),e.prototype.destroy.call(this)},t}(i.default);t.BasicCalculator=c}),define("api/fourfunction",["require","exports","tslib","./basic","lib/deepCopy","lib/console"],function(e,t,n,r,i,o){"use strict";function s(e){if(e=i.default(e),e.hasOwnProperty("typingSlashWritesDivisionSymbol")||(e.typingSlashWritesDivisionSymbol=!0),e.hasOwnProperty("typingAsteriskWritesTimesSymbol")||(e.typingAsteriskWritesTimesSymbol=!0),e.exponentButtonForSquareRoot&&(o.warn("As of API version 1.0, the 'exponentButtonForSquareRoot' option is deprecated.Use 'additionalFunctions: \"exponent\"' instead."),e.additionalFunctions=["exponent"]),e.additionalFunctions){var t=e.additionalFunctions;"string"==typeof t&&(t=[t]),t.length>2&&(o.warn("additionalFunctions can only take up to 2 new functions. Using the first two."),t=t.slice(0,2));for(var n=0;n<t.length;n++)["sqrt","exponent","percent"].indexOf(t[n])===-1&&o.warn("Unrecognized value: '"+t[n]+"' for 'additionalFunction'. Valid values are 'sqrt', 'percent', or 'exponent'. Using default (\"sqrt\")");e.additionalFunctions=t}return e.additionalFunctions&&e.additionalFunctions.length||(e.additionalFunctions=["sqrt"]),e.evaluationMode="fourFunction",e}Object.defineProperty(t,"__esModule",{value:!0});var a=function(e){function t(n,r){var i=e.call(this,n)||this;return i instanceof t?(i.init(s(r||{})),i):new t(n,r)}return n.__extends(t,e),t}(r.BasicCalculator);t.default=a}),define("api/scientific",["require","exports","tslib","./basic","lib/deepCopy"],function(e,t,n,r,i){"use strict";function o(e){return e=i.default(e),e.singleExpression?e.evaluationMode="singleExpressionScientific":e.evaluationMode="scientific",delete e.singleExpression,e}Object.defineProperty(t,"__esModule",{value:!0});var s=function(e){function t(n,r){var i=e.call(this,n)||this;return i instanceof t?(i.init(o(r||{})),i):new t(n,r)}return n.__extends(t,e),t}(r.BasicCalculator);t.default=s}),define("api/calculator",["require","console","pjs","underscore","i18n","main/calc_embed","main/calc_headless","underscore_model","mathquill","math/recttransformation","main/shared-clock-bus","main/shared-worker-pool","lib/number-to-latex","expressions/colors","expressions/styles","expressions/opacity","graphing/columnmode","graphing/dragmode","graphing/axisarrowmode","main/font_sizes","expressions/image_file_to_data_url","lib/dom-change-detector","graphing/compute-async-screenshot-bounds","expressions/sanitize_expression","dcgview-helpers/mathquill-view","dcgview-helpers/mathquill-proxy","./fourfunction","./scientific"],function(e){function t(e){var t={};e||(e={});var n=function(n,r){e.hasOwnProperty(n)?t[n]=e[n]:t[n]=r};return n("keypad",!0),n("disableScrollFix",!1),n("graphpaper",!0),n("settingsMenu",!0),n("expressionsTopbar",!0),n("branding",!0),n("links",!0),n("autosize",!0),n("zoomButtons",t.graphpaper&&!t.lockViewport),n("pointsOfInterest",!0),n("plotSingleVariableImplicitEquations",!0),n("expressionsCollapsed",!1),n("lockViewport",!1),n("administerSecretFolders",!1),n("redrawSlowly",!1),n("onlyTraceSelected",!1),n("disableMouseInteractions",!1),n("trace",!0),n("folders",!0),n("images",t.graphpaper),n("expressions",!0),n("border",!0),n("nativeOnscreenKeypad",!1),n("qwertyKeyboard",!0),n("restrictedFunctions",!1),n("notes",!0),n("degreeMode",!1),n("clearIntoDegreeMode",!1),n("functionDefinition",!0),n("lightKeypad",!1),n("pasteGraphLink",!1),n("pasteTableData",!0),n("plaidMode",!1),n("imageUploadCallback",_),n("pasteGraphLinkCallback",!1),n("editOnWeb",!1),n("invertedColors",!1),n("colors",{RED:g.RED,BLUE:g.BLUE,GREEN:g.GREEN,ORANGE:g.ORANGE,PURPLE:g.PURPLE,BLACK:g.BLACK}),n("crossOriginSaveTest",!1),e.hasOwnProperty("menus")&&(r.warn("As of API version 0.4, the 'menus' option is deprecated and has been split into 'settingsMenu' (boolean) and 'expressionsTopbar' (boolean)."),e.hasOwnProperty("settingsMenu")||(t.settingsMenu=!!e.menus),e.hasOwnProperty("expressionsTopbar")||(t.expressionsTopbar=!!e.menus)),e.hasOwnProperty("solutions")&&(r.warn("As of API v1.0, the 'solutions' option is deprecated and has been replaced with 'pointsOfInterest' (boolean)."),e.hasOwnProperty("pointsOfInterest")||(t.pointsOfInterest=!!e.solutions)),e.hasOwnProperty("singleVariableSolutions")&&r.warn("As of API v1.0, the 'singleVariableSolutions' has been removed. The calculator no longer displays solutions to single variable equations."),t.graphpaper||(t.expressionsCollapsed&&(t.expressionsCollapsed=!1,r.warn("Desmos API initialized with bad options. graphpaper: false and expressionsCollapsed: true are incompatible. Proceeding with expressionsCollapsed: false.")),t.zoomButtons&&(t.zoomButtons=!1,r.warn("Desmos API initialized with bad options. graphpaper: false and zoomButtons: true are incompatible. Proceeding with zoomButtons: false."))),t.lockViewport&&t.zoomButtons&&(t.zoomButtons=!1,r.warn("Desmos API initialized with bad options. lockViewport: true and zoomButtons: true are incompatible. Proceeding with zoomButtons: false.")),t}function n(e,t){!window.Desmos.enabledFeatures||window.Desmos.enabledFeatures[e]?window.Desmos[e]=t:window.Desmos[e]=function(){throw new Error("The Desmos "+e+" is not enabled for this API key.")}}var r=e("console"),i=e("pjs"),o=e("underscore"),s=e("i18n"),a=e("main/calc_embed").default,l=e("main/calc_headless"),c=e("underscore_model"),u=e("mathquill"),d=e("math/recttransformation"),p=e("main/shared-clock-bus"),h=e("main/shared-worker-pool").default,f=e("lib/number-to-latex").default,g=e("expressions/colors"),m=e("expressions/styles"),y=e("expressions/opacity"),v=e("graphing/columnmode"),b=e("graphing/dragmode"),x=e("graphing/axisarrowmode"),w=e("main/font_sizes"),_=e("expressions/image_file_to_data_url"),E=e("lib/dom-change-detector").default,S=e("graphing/compute-async-screenshot-bounds"),I=e("expressions/sanitize_expression"),M=e("dcgview-helpers/mathquill-view").default,k=e("dcgview-helpers/mathquill-proxy").MathQuillProxy,C=e("./fourfunction").default,P=e("./scientific").default,A=i(c,function(e,n,i){function l(e,t){var n={};return t.hasOwnProperty("x")&&(n.x=e.mapX(t.x)),t.hasOwnProperty("y")&&(n.y=e.mapY(t.y)),n}e.init=function(e,r,i){n.init.call(this);var o=t(r);this._calc=new a(e,h,o),this._calc.interceptTouch(),this.controller=this._calc.controller,this.controller.onEventsEmitted=function(e){this.setProperty("isAnyExpressionSelected",!!this.controller.getSelectedItem()),this.setProperty("expressionAnalysis",this.controller.getExpressionAnalysis());var t=M.getFocusedMathquill();this.setProperty("focusedMathQuill",t?new k(t):void 0);for(var n in e)e.hasOwnProperty(n)&&e[n]&&this.triggerEvent(n)}.bind(this),this._calc.graphpaperBounds.observeAndSync("mathCoordinates",this._syncGraphpaperBounds.bind(this)),this._calc.graphpaperBounds.observeAndSync("pixelCoordinates",this._syncGraphpaperBounds.bind(this)),this.colors=this.controller.getColors(),this._initGraphSettings(),this._sharedClockBusToken=p.subscribe(function(e){this._calc.tick(e)}.bind(this)),this.domChangeDetector=new E(e,function(e){switch(e.type){case"added":this._calc.resize(e.size);break;case"removed":this._calc.resize();break;case"resized":this._calc.resize(e.size)}}.bind(this)),o.autosize?this.domChangeDetector.startWatching():this.domChangeDetector.checkForChanges(),"function"==typeof i&&i(this)},e.destroy=function(){function e(e){r.warn("You've destroyed this API instance. You can no longer call ."+e+"()")}this._calc.destroy(),p.unsubscribe(this._sharedClockBusToken),this.domChangeDetector.destroy();for(var t in this)"function"==typeof this[t]?this[t]=e.bind(this,t):this.hasOwnProperty(t)&&delete this[t];this.destroy=function(){}},e._syncGraphpaperBounds=function(){this.controller.runAfterDispatch(function(){this.setProperty("graphpaperBounds",{mathCoordinates:this._calc.graphpaperBounds.mathCoordinates,pixelCoordinates:this._calc.graphpaperBounds.pixelCoordinates})}.bind(this))};var u=["showGrid","showXAxis","showYAxis","xAxisStep","yAxisStep","xAxisMinorSubdivisions","yAxisMinorSubdivisions","xAxisArrowMode","yAxisArrowMode","xAxisLabel","yAxisLabel","xAxisNumbers","yAxisNumbers","polarMode","polarNumbers","degreeMode","projectorMode","fontSize","invertedColors","language"];e._initGraphSettings=function(){var e=c();this.settings=this.graphSettings=e,this.knownSettings=u;var t=this,n=function(n){t._calc.grapher.settings.observeAndSync(n,function(){t.controller.runAfterDispatch(function(){e.setProperty(n,t._calc.grapher.settings[n])})})};u.forEach(n)},e.updateSettings=function(e){this._calc.grapher.settings.setGraphSettings(e),this.notifyControllerOfAPICall()},e.setGraphSettings=function(e){r.warn("As of API v0.8 the 'setGraphSettings' method is deprecated and has been renamed 'updateSettings.'"),this.updateSettings(e),this.setGraphSettings=this.updateSettings,this.notifyControllerOfAPICall()},e.fetchLanguage=function(e){return s.fetchLanguage(e)},e.setDefaultState=function(e){this._calc.grapher.settings.setProperty("defaultState",e),this.notifyControllerOfAPICall()},e.mathToPixels=function(e){var t=d.fromRects(this.graphpaperBounds.mathCoordinates,this.graphpaperBounds.pixelCoordinates);return l(t,e)},e.pixelsToMath=function(e){var t=d.fromRects(this.graphpaperBounds.pixelCoordinates,this.graphpaperBounds.mathCoordinates);return l(t,e)};var g={};g.expression=function(e,t,n){var i={};if(i.type="expression",e.hasOwnProperty("id")?i.id=e.id.toString():i.id=t.generateId(),e.hasOwnProperty("latex")&&(i.latex=e.latex.toString()),e.hasOwnProperty("color")&&(i.color=e.color.toString()),e.hasOwnProperty("points")&&(i.points=!!e.points),e.hasOwnProperty("lines")&&(i.lines=!!e.lines),e.hasOwnProperty("style")&&(r.warn("As of API v1.1 the 'style' property is deprecated and has been split into 'pointStyle' and 'lineStyle'."),o.contains([m.POINT,m.CROSS,m.OPEN],e.style)?i.pointStyle=e.style:o.contains([m.SOLID,m.DASHED,m.DOTTED],e.style)?i.lineStyle=e.style:r.warn("Invalid style: '"+e.style+"'.")),e.hasOwnProperty("pointStyle")&&(o.contains([m.POINT,m.CROSS,m.OPEN],e.pointStyle)?i.pointStyle=e.pointStyle:r.warn("Invalid pointStyle: '"+e.pointStyle+"'.")),e.hasOwnProperty("lineStyle")&&(o.contains([m.SOLID,m.DASHED,m.DOTTED],e.lineStyle)?i.lineStyle=e.lineStyle:r.warn("Invalid lineStyle: '"+e.lineStyle+"'.")),e.hasOwnProperty("hidden")&&(i.hidden=!!e.hidden),e.hasOwnProperty("secret")&&(i.secret=!!e.secret),e.hasOwnProperty("sliderBounds")&&(i.slider={min:f(e.sliderBounds.min),max:f(e.sliderBounds.max),step:void 0===e.sliderBounds.step?"":f(e.sliderBounds.step)}),e.hasOwnProperty("domain")&&(i.domain={min:f(e.domain.min),max:f(e.domain.max)}),e.hasOwnProperty("dragMode")&&(o.contains(o.values(b),e.dragMode)?i.dragMode=e.dragMode:r.warn("Invalid dragMode: '"+e.dragMode+"'.")),e.hasOwnProperty("label")&&(i.label=e.label.toString()),e.hasOwnProperty("showLabel")&&(i.showLabel=!!e.showLabel),e.hasOwnProperty("fill")&&(i.fill=!!e.fill),e.hasOwnProperty("fillOpacity")){var s=parseFloat(e.fillOpacity);isNaN(s)||!isFinite(s)||s<0||s>1?(r.warn("Invalid fillOpacity: "+s+". Continuing with default."),i.fillOpacity=y.DEFAULT):i.fillOpacity=s}return i};var x=function(e,t,n){var i={};return e.hasOwnProperty("id")?i.id=e.id.toString():i.id=t.generateId(),e.hasOwnProperty("latex")&&(i.latex=e.latex.toString()),e.hasOwnProperty("color")&&(i.color=e.color.toString()),e.hasOwnProperty("hidden")&&(i.hidden=!!e.hidden),e.hasOwnProperty("points")&&(i.points=!!e.points),e.hasOwnProperty("lines")&&(i.lines=!!e.lines),e.hasOwnProperty("values")&&(i.values=e.values.map(function(e){return e.toString()})),e.hasOwnProperty("columnMode")&&(r.warn("As of API v1.1 the 'columnMode' property is deprecated and has been split into individual 'points' and 'lines' properties."),e.columnMode===v.POINTS_AND_LINES?(i.points=!0,i.lines=!0):e.columnMode===v.LINES?(i.points=!1,i.lines=!0):(i.points=!0,i.lines=!1),i.lines&&!i.points&&e.hasOwnProperty("dragMode")&&e.dragMode!==b.NONE&&(r.warn("A 'lines' value of true and 'points' value of false is only compatible with a dragMode of 'NONE'. Proceeding by setting 'points' to true."),i.points=!0),o.contains(o.values(v),e.columnMode)?i.columnMode=e.columnMode:r.warn("Invalid columnMode: '"+e.columnMode+"'.")),e.hasOwnProperty("dragMode")&&(o.contains(o.values(b),e.dragMode)?i.dragMode=e.dragMode===b.AUTO?b.NONE:e.dragMode:r.warn("Invalid dragMode: '"+e.dragMode+"'.")),i};g.table=function(e,t,n){var r={};return r.type="table",e.hasOwnProperty("id")?r.id=e.id.toString():r.id=t.generateId(),e.hasOwnProperty("columns")&&(r.columns=e.columns.map(function(e){return x(e,t,n)})),r},g.folder=function(e,t,n){var r={};return r.type="folder",e.hasOwnProperty("id")?r.id=e.id.toString():r.id=t.generateId(),e.hasOwnProperty("hidden")&&(r.hidden=!!e.hidden),r},g.image=function(e,t,n){var r={};return r.type="image",e.hasOwnProperty("id")?r.id=e.id.toString():r.id=t.generateId(),e.hasOwnProperty("hidden")&&(r.hidden=!!e.hidden),r},e.notifyControllerOfAPICall=function(){this.controller.dispatch({type:"api-method-called"})},e.setExpression=function(e){var t,n=this.controller,i=n.getItemModel(e.id);if(i){if(e.type&&e.type!==i.type)return void r.warn("Cannot change type of expression from '"+i.type+"' to '"+e.type+"'.");if(!g.hasOwnProperty(i.type))return void r.warn("Cannot modify expressions of type: '"+e.type+"' through the API.");t=g[i.type](e,this.controller,!1),this.controller.dispatch({type:"set-expression-properties-from-api",id:t.id,properties:t})}else{if(e.type&&!g.hasOwnProperty(e.type))return void r.warn("Invalid expression type: '"+e.type+"'.");t=g[e.type||"expression"](e,this.controller,!0),this.controller.dispatch({type:"add-item-to-end-from-api",state:t})}},e.setExpressions=function(e){e.forEach(this.setExpression.bind(this)),this.notifyControllerOfAPICall()},e.removeExpression=function(e){var t=e.id.toString();this.controller.dispatch({type:"remove-item-by-id",id:t})},e.removeExpressions=function(e){e.forEach(this.removeExpression.bind(this)),this.notifyControllerOfAPICall()},e.removeSelected=function(){var e=this.controller.getSelectedItem();e&&this.controller.dispatch({type:"remove-item-by-id",id:e.id})},e.setMathBounds=function(e){e&&e.left<e.right&&e.bottom<e.top?this._calc.setViewport([e.left,e.right,e.bottom,e.top]):r.warn("Invalid bounds argument. Expected a bounds object with bounds.bottom < bounds.top, and bounds.left < bounds.right. Got "+JSON.stringify(e)),this.notifyControllerOfAPICall()},e.setViewport=function(e){4==e.length&&e[1]>e[0]&&e[3]>e[2]?this._calc.setViewport(e):r.warn("Invalid viewport.  Expected [xmin, xmax, ymin, ymax].  Got "+e),this.notifyControllerOfAPICall()},e.resize=function(){this.domChangeDetector.checkForChanges()},e.getState=function(){return this._calc.getState.apply(this._calc,arguments)},e.getExpressions=function(){var e=this.getState({stripDefaults:!1}).expressions.list;return e.map(I)},e.setBlank=function(e){e||(e={}),this._calc.setBlank(e)},e.setState=function(e,t){t||(t={}),this._calc.setState(e,t)},e.undo=function(){this.controller.dispatch({type:"undo"})},e.redo=function(){this.controller.dispatch({type:"redo"})},e.clearHistory=function(){this.controller.dispatch({type:"clear-undoredo-history"})},e.screenshot=function(e){return this._calc.grapher.screenshot(e)},e._getMathAspectRatio=function(){var e=this.graphpaperBounds.mathCoordinates,t=this._calc.grapher.getProjection().pixelCoordinates,n=t.right-t.left,r=t.bottom-t.top,i=e.width/n,o=e.height/r;return i/o},e.isProjectionUniform=function(){return!!this._calc.grapher.getProjection().settings.squareAxes},e._parseAsyncScreenshotOpts=function(e){var t=e.mode||"contain",n=e.width||e.height||this.graphpaperBounds.pixelCoordinates.width,r=e.height||e.width||this.graphpaperBounds.pixelCoordinates.height,i=e.mathBounds||{},o=e.targetPixelRatio||1,s=e.preserveAxisNumbers,a=this._getMathAspectRatio(),l=this.graphpaperBounds.pixelCoordinates.width/this.graphpaperBounds.pixelCoordinates.height,c=S({mode:t,width:n,height:r,currentBounds:this.graphpaperBounds.mathCoordinates,graphpaperAspectRatio:l,mathAspectRatio:a,mathBounds:i});return{width:n,height:r,targetPixelRatio:o,preserveAxisNumbers:s,mathBounds:c}},e.asyncScreenshot=function(e,t){if(!arguments.length)return void r.warn("asyncScreenshot expects a callback");if(1===arguments.length){if("function"!=typeof e)return void r.warn("asyncScreenshot expects a callback");t=e,e={}}e||(e={}),e=this._parseAsyncScreenshotOpts(e),i._sharedScreenshotCalc||(i._sharedScreenshotCalc=A());var n=i._sharedScreenshotCalc;n.setState(this.getState()),n.setMathBounds(e.mathBounds);var o=n._calc.evaluator,s=function(){var r=n.screenshot({width:e.width,height:e.height,targetPixelRatio:e.targetPixelRatio});t(r)},a=this.controller,l=p.subscribe(function(){a.areAnyImagesLoading()||(p.unsubscribe(l),o.notifyWhenSynced(s))})},e.setOptions=function(){var e=this._calc.setOptions.apply(this._calc,arguments);return this.notifyControllerOfAPICall(),e},e.focusFirstExpression=function(){var e=this.controller.getItemModelByIndex(0);this.controller.dispatch({type:"move-focus-to-item",id:e.id,where:"end"})},e.HelperExpression=function(e){var t=e&&e.latex||"",n=c();return n.latex=t,this.controller.dispatch({type:"add-helper-expression",state:{type:"helper-expression",id:this.controller.generateId(),latex:t,proxy:n}}),n}}),T=i(A,function(e,n,r){e.init=function(){this._calc=l(h,t({})),this.controller=this._calc.controller,this._sharedClockBusToken=p.subscribe(function(e){this._calc.tick(e)}.bind(this))},e.resize=function(){}});return window.Desmos=window.Desmos?window.Desmos:{},window.Desmos.Colors={RED:g.RED,BLUE:g.BLUE,GREEN:g.GREEN,ORANGE:g.ORANGE,PURPLE:g.PURPLE,BLACK:g.BLACK},window.Desmos.imageFileToDataURL=_,window.Desmos.Styles=m,window.Desmos.supportedLanguages=window.Desmos.locales?Object.keys(window.Desmos.locales):[],window.Desmos.ColumnModes=v,window.Desmos.DragModes=b,window.Desmos.AxisArrowModes=x,window.Desmos.FontSizes=w,window.Desmos.MathQuill=u,
n("FourFunctionCalculator",C),n("ScientificCalculator",P),n("GraphingCalculator",A),window.Desmos.HeadlessGraphingCalculator=T,window.Desmos.Calculator=window.Desmos.GraphingCalculator,{Calculator:A,GraphingCalculator:A,FourFunctionCalculator:C,ScientificCalculator:P,HeadlessGraphingCalculator:T}}),define("main/noconflict",["require","jquery","underscore"],function(e){var t=e("jquery"),n=e("underscore");window.Desmos=window.Desmos||{};var r=window.Desmos;return function(){r.$=t,r._=n,r.$.noConflict(!0),r._.noConflict()}}),window.Desmos=window.Desmos||{},window.Desmos.require=require,window.Desmos.requirejs=requirejs,require.isBrowser||injectWorkerDependencies(),define("toplevel/api",["require","api/calculator","main/noconflict"],function(e){e("api/calculator"),e("main/noconflict")()})}();;
  Desmos.require('toplevel/api');

  if (moduleWasDefined) window.module = oldModule;
  if (exportsWasDefined) window.exports = oldExports;
})();

})();