/**
* @file ALGO_AlgorithmBase_ATY.h
*
* @param Project ALGO_Algorithm_ATY_LIB
*
* @author ATY
*
* @copyright
*       - Copyright 2017 - 2025 MZ-ATY
*       - This code follows:
*           - MZ-ATY Various Contents Joint Statement -
*               <a href="https://mengze.top/MZ-ATY_VCJS">
*                        https://mengze.top/MZ-ATY_VCJS</a>
*           - CC 4.0 BY-NC-SA -
*               <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/">
*                        https://creativecommons.org/licenses/by-nc-sa/4.0/</a>
*       - Your use will be deemed to have accepted the terms of this statement.
*
* @brief Familiar functions of base algorithm
*
* @version
*       - 1_01_220601 > ATY
*           -# Preliminary version, first Release
********************************************************************************
*/

#ifndef __ALGO_AlgorithmBase_ATY_H
#define __ALGO_AlgorithmBase_ATY_H

#include "INCLUDE_ATY.h"

/******************************* For user *************************************/
// #define __DEBUG_ALGO_AlgorithmBase_ATY

/******************************************************************************/

/*
| **Type**              | **16 bit platform** | **32 bit platform** | **64 bit platform** |
|:---------------------:|:-------------------:|:-------------------:|:-------------------:|
| **char**              | 1 byte              | 1 byte              | 1 byte              |
| **short**             | 2 byte              | 2 byte              | 2 byte              |
| **int**               | 2 byte              | 4 byte              | 4 byte              |
| **unsigned int**      | 2 byte              | 4 byte              | 4 byte              |
| **float**             | 4 byte              | 4 byte              | 4 byte              |
| **double**            | 8 byte              | 8 byte              | 8 byte              |
| **long**              | 4 byte              | 4 byte              | 8 byte              |
| **long long**         | 8 byte              | 8 byte              | 8 byte              |
| **unsigned long**     | 4 byte              | 4 byte              | 8 byte              |
| **Pointer**           | 2 byte              | 4 byte              | 8 byte              |
| **Max storage space** | 2^16                | 2^32                | 2^64                |
*/

/**
 * @brief   Change num to str
 * @param   num number to change
 */
#define ALGO_STR_DEF(num) #num
#define ALGO_NUM_TO_STR(num) ALGO_STR_DEF(num)

/**
 * @brief   Allocate memory space
 * @param   name variate name
 * @param   type variate type
 */
#define ALGO_MALLOC(name, type) ((type *) malloc((name) * sizeof(type)))

/**
 * @brief   Get a byte at the specified address
 * @param   addr address
 */
#define ALGO_MEM_BYTE(addr) (*((byte *)(addr)))

/**
 * @brief   Gets the number of specified bits
 * @param   n bit position
 */
#define ALGO_BITMASK(n) ((uint32_t)1 << n)

/**
 * @brief   Get absolute value
 * @param   x value to deal
 */
#define ALGO_ABS(x) ((x) > 0 ? (x) : -(x))

/**
 * @brief   Get the max between 2 numbers
 * @param   x value to deal
 * @param   y value to deal
 */
#define ALGO_MAX(x, y) (((x) > (y)) ? (x) : (y))

/**
 * @brief   Get the min between 2 numbers
 * @param   x value to deal
 * @param   y value to deal
 */
#define ALGO_MIN(x, y) (((x) < (y)) ? (x) : (y))

/**
 * @brief   Converts a character to uppercase
 * @param   c character to deal
 */
#define ALGO_UPCASE(c) (((c) >= 'a' && (c) <= 'z') ? ((c) - 0x20) : (c))

/**
 * @brief   Determines if the character is a decimalism number
 * @param   c character to deal
 */
#define ALGO_DECCHK(c) ((c) >= '0' && (c) <= '9')

/**
 * @brief   Determines if the character is a hexadecimal number
 * @param   c character to deal
 */
#define ALGO_HEXCHK(c) \
    (((c) >= '0' && (c) <= '9')  \
    || ((c) >= 'A' && (c) <= 'F') \
    || ((c) >= 'a' && (c) <= 'f'))

/**
 * @brief   Returns the number of array elements
 * @param   a array to deal
 */
#define ALGO_ARR_SIZE(a) (sizeof((a)) / sizeof((a[0])))

/**
 * @brief   Combine two uint8 to one uint16 in LSB format
 * @param   a high bit of uint16
 * @param   b low bit of uint16
 */
#define ALGO_COMB16(a, b) ((((uint16_t)(a)) << 8) + (b))

/**
 * @brief   Combine four uint8 to one uint32 in LSB format
 * @param   a high bit of uint32
 * @param   b mid high bit of uint32
 * @param   c mid low bit of uint32
 * @param   d low bit of uint32
 */
#define ALGO_COMB32(a, b, c, d) \
    ((((uint32_t)(a)) << 24) \
    + (((uint32_t)(b)) << 16)) \
    + ((((uint32_t)(c)) << 8) + (d))

/**
 * @brief   Get the low byte of a uint16
 * @param   x value to deal
 */
#define ALGO_UINT16_L(x) ((uint8_t)((uint16_t)(x) & 0xFF))

/**
 * @brief   Get the high byte of a uint16
 * @param   x value to deal
 */
#define ALGO_UINT16_H(x) ((uint8_t)((uint16_t)(x) >> 8))

/**
 * @brief   Change to a character
 * @param   a value to deal
 * @note    equal to add '', accept less than 3 characters
 */
#define ALGO_CHAR(a) @#a

/**
 * @brief   Change to string
 * @param   a value to deal
 * @note    equal to add ""
 */
#define _ALGO_STR(a) #a
#define ALGO_STR(a) ALGO_STR(a)

/**
 * @brief   Combine two value or characters to string
 * @param   a value to deal
 * @param   b value to deal
 */
#define _ALGO_CAT(a, b) a##b
#define ALGO_CAT(a, b) _ALGO_CAT(a, b)

/**
 * @brief   Change value to bool
 * @param   x value to deal
 */
#define ALGO_BOOL(x) (x) ? 1 : 0

/**
 * @brief   Invert value truth-value
 * @param   x value to deal
 */
#define ALGO_NOT(x) (x) ? 0 : 1

/**
 * @brief   AND two value
 * @param   x value to deal
 * @param   y value to deal
 */
#define ALGO_AND(x, y) ((x) && (y)) ? 1 : 0

/**
 * @brief   OR two value
 * @param   x value to deal
 * @param   y value to deal
 */
#define ALGO_OR(x, y) ((x) || (y)) ? 1 : 0

/**
 * @brief   ROL rotate shift left
 * @param   x value to deal
 * @param   n shift bits
 * @todo    X&0X00FF or etc
 */
#define ALGO_ROTATE_LEFT(x, n) ((x) << (n)) | ((x) >> ((sizeof(x)) - (n)))

/**
 * @brief   ROR rotate shift right
 * @param   x value to deal
 * @param   n shift bits
 * @todo    X&0X00FF or etc
 */
#define ALGO_ROTATE_RIGHT(x, n) ((x) >> (n)) | ((x) << ((sizeof(x)) - (n)))

/**
 * @brief   Invert little-endian and big-endian
 * @param   x value to deal
 */
#define ALGO_INVERT_BELE(x) \
{ \
    if(sizeof(x) == sizeof(uint8_t)) {} \
    else if(sizeof(x) == sizeof(uint16_t)) \
        {x = (uint16_t)((((uint16_t)(x) & 0x00FF) << 8) | (((uint16_t)(x) & 0xFF00) >> 8));} \
    else if(sizeof(x) == sizeof(uint32_t)) \
        {x = (uint32_t)((((uint32_t)(x) & 0xFF000000) >> 24) | (((uint32_t)(x) & 0x00FF0000) >> 8) \
            | (((uint32_t)(x) & 0x0000FF00) << 8) | (((uint32_t)(x) & 0x000000FF) << 24));} \
}

/**
 * @brief   Invert value every bit(LSB <-> MSB)
 * @param   x value to deal
 */
#define ALGO_INVERT_BITS(x) \
{ \
    x = ((x & 0xAAAAAAAAAAAAAAAA) >> 1) | ((x & 0x5555555555555555) << 1); \
    x = ((x & 0xCCCCCCCCCCCCCCCC) >> 2) | ((x & 0x3333333333333333) << 2); \
    x = ((x & 0xF0F0F0F0F0F0F0F0) >> 4) | ((x & 0x0F0F0F0F0F0F0F0F) << 4); \
    ALGO_SWAP_BELE(x); \
}

/**
 * @brief   Invert uint8 value every bit(LSB <-> MSB)
 * @param   x value to deal
 */
#define ALGO_INVERT_BITS_BYTE(x) \
{ \
    x = ((x & 0xAA) >> 1) | ((x & 0x55) << 1); \
    x = ((x & 0xCC) >> 2) | ((x & 0x33) << 2); \
    x = ((x & 0xF0) >> 4) | ((x & 0x0F) << 4); \
}


#define ALGO_Uint8ToBin(n) \
( \
    ((n >> 21) & 0x80) | \
    ((n >> 18) & 0x40) | \
    ((n >> 15) & 0x20) | \
    ((n >> 12) & 0x10) | \
    ((n >> 9) & 0x08) | \
    ((n >> 6) & 0x04) | \
    ((n >> 3) & 0x02) | \
    ((n ) & 0x01) \
)
#define ALGO_Bin(n) ALGO_Uint8ToBin(0x##n##l)


/* Easy way to implement Invert ***********************************************/
void ALGO_InvertUint8_Group(uint8_t* genBuf, uint8_t* srcBuf);
void ALGO_InvertUint16_Group(uint16_t* genBuf, uint16_t* srcBuf);
void ALGO_InvertUint32_Group(uint32_t* genBuf, uint32_t* srcBuf);
void ALGO_InvertBitsN_Group(uint32_t* genBuf, uint32_t* srcBuf, uint8_t len);
/* End of Easy way to implement Invert ****************************************/


/**
 * @brief   Swap numbers in easy way
 * @param   x value to deal
 * @param   y value to deal
 */
#define ALGO_SWAP_EASY(x, y)\
    x = x + y;\
    y = x - y;\
    x = x - y;

/**
 * @brief   Swap numbers
 * @param   dataType x & y data type
 * @param   vN variableNum is set to deal with multiple calls in one scope
 * @param   x value to deal
 * @param   y value to deal
 * @note    x & y must be the same type
 */
#define ALGO_SWAP(dataType, vN, x, y)\
{\
    dataType swap_t##vN = x;\
    x = y;\
    y = swap_t##vN;\
}

/**
 * @brief   Swap numbers in addr (not tested)
 * @param   vN variableNum is set to deal with multiple calls in one scope
 * @param   x value to deal
 * @param   y value to deal
 * @note    x & y must be the same type
 */
#define ALGO_SWAP_ADDR(vN, x, y)\
{\
    uint32_t swapAddr_t##vN = x; \
    x = y; \
    y = swapAddr_t##vN; \
}

/**
 * @brief   Sort numbers in group with low first
 * @param   dataType dataInGroup data type
 * @param   vN variableNum is set to deal with multiple calls in one scope
 * @param   dataInGroup data group which need to sort
 */
#define ALGO_Sort(dataType, vN, dataInGroup) \
{ \
    uint32_t as_i##vN, as_j##vN, dataInGroupSize##vN; \
    dataInGroupSize##vN = sizeof(dataInGroup)/sizeof(dataType); \
    for(as_i##vN = 0; as_i##vN < dataInGroupSize##vN; as_i##vN++) \
    { \
        for(as_j##vN = as_i##vN + 1; as_j##vN < dataInGroupSize##vN; as_j##vN++) \
        { \
            if(dataInGroup[as_i##vN] > dataInGroup[as_j##vN]) \
            { \
                ALGO_SWAP(dataType, _as_0, dataInGroup[as_i##vN], dataInGroup[as_j##vN]); \
            } \
        } \
    } \
}

/**
 * @brief   Sort numbers in group with high first
 * @param   dataType dataInGroup data type
 * @param   vN variableNum is set to deal with multiple calls in one scope
 * @param   dataInGroup data group which need to sort
 */
#define ALGO_Sort_High(dataType, vN, dataInGroup) \
{ \
    uint32_t as_i##vN, as_j##vN, dataInGroupSize##vN; \
    dataInGroupSize##vN = sizeof(dataInGroup)/sizeof(dataType); \
    for(as_i##vN = 0; as_i##vN < dataInGroupSize##vN; as_i##vN++) \
    { \
        for(as_j##vN = as_i##vN + 1; as_j##vN < dataInGroupSize##vN; as_j##vN++) \
        { \
            if(dataInGroup[as_i##vN] < dataInGroup[as_j##vN]) \
            { \
                ALGO_SWAP(dataType, _as_0, dataInGroup[as_i##vN], dataInGroup[as_j##vN]); \
            } \
        } \
    } \
}

/**
 * @brief   Calculate averange with delete extremum
 * @param   dataType x & y data type
 * @param   vN variableNum is set to deal with multiple calls in one scope
 * @param   dataInGroup data group which need to deel
 * @param   dataOut output number after deel
 * @note    dataOut & dataInGroup must be the same type
 */
#define ALGO_AverageInDelExtremum(dataType, vN, dataInGroup, dataOut) \
{ \
    uint32_t aaide_i##vN, dataInGroupSize##vN; \
    dataInGroupSize##vN = sizeof(dataInGroup)/sizeof(dataType); \
    ALGO_Sort(dataType, _aaide_0, dataInGroup); \
    dataOut = 0; \
    for(aaide_i##vN = 1; aaide_i##vN < dataInGroupSize##vN - 1; aaide_i##vN++) \
        dataOut += dataInGroup[aaide_i##vN]; \
    dataOut /= dataInGroupSize##vN - 2; \
}


//Sr-sampling rate, times/second),f-stop freq(Hz),Pi-(3.14...)
//k=(2*Pi*f)/Sr
typedef struct rcPara
{
    double k;    // filter series
    double lVal; // last calc value
}rcPara_t;



// #define SIGMOID(x) (1.0 / (1.0 + exp(-x)))


float ALGO_MATH_POW_EASY(float x, uint8_t n);
int ALGO_MATH_POW_QUICK(int x, int n);
float ALGO_MATH_POW(float x, int n);
int ALGO_MATH_SQRT(int x);
float ALGO_MATH_LogLn(float num);
float ALGO_Sqrt_NewtonNumber(float x);

float ALGO_NumberSuitScop(float valueIn, float scopMin, float scopMax, float step);

double rcLpFilter(rcPara_t* rcPara, double val);
double rcHpFilter(rcPara_t* rcPara, double val);

uint16_t binarySearch(const double* arr, uint16_t size, double target);


#ifdef __DEBUG_ALGO_AlgorithmBase_ATY
void ALGO_Swap_Test(void);
void ALGO_Sort_Test(void);
void ALGO_AverageInDelExtremum_Test(void);
void ALGO_INVERT_Test(void);
void ALGO_Test_Whole(void);
#endif /* __DEBUG_ALGO_AlgorithmBase_ATY */




#endif /* __ALGO_AlgorithmBase_ATY_H */

/******************************** End Of File *********************************/