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struct echo
{
    void operator()(const float* a, int size)
    {
        for(int n = 0; n < size; ++n)
            printf("%15d%15.5f\n", n, a[n]);
    }

    void operator()(const float* a, const float* b, int size)

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inline void rs32f_test(const char*, const char*, void*, node<message*>** errors)
{
    int status;
    float data[] = {43.13, 42.66, 43.42, 44.57, 44.22, 44.18, 44.03, 45.35, 45.78, 46.45, 45.71, 46.25,
                    46.21, 45.64, 46.22, 46.41, 46.03, 46.00, 46.28, 46.28, 45.61, 46.03, 45.89, 46.08,
                    45.84, 45.42, 45.10, 44.83, 44.33, 43.61, 44.15, 44.09, 44.34
                   };

    float rs [] = {0.60701822435637, 0.49431092655862, 0.594999156777, 0.8336246868167,
                   0.72025005002827, 0.70824775083558, 0.66638402420065, 1.01705518638599, 1.20787462282414,

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inline void ema32f_test(const char*, const char*, void*, node<message*>** errors)
{
    int status = ippStsNoErr;
    float data[] = {22.17, 22.40, 23.10, 22.68, 23.33, 23.10, 23.19, 23.65, 23.87, 23.82, 23.63,
                    23.95, 23.83, 23.75, 24.05, 23.36, 22.61, 22.38, 22.39, 22.15, 22.29, 22.24, 22.43, 22.23,
                    22.13, 22.18, 22.17, 22.08, 22.19, 22.27
                   };

    float expected [] = {22.9155602300309, 23.0806847255934, 23.2313924423919, 23.2611240962568,
                         23.3901516732027, 23.4044076005811, 23.4725870673769, 23.5360508601273, 23.5099066068223,

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/*
DT_BLK      This is a block device.
DT_CHR      This is a character device.
DT_DIR      This is a directory.
DT_FIFO     This is a named pipe (FIFO).
DT_LNK      This is a symbolic link.
DT_REG      This is a regular file.
DT_SOCK     This is a UNIX domain socket.
DT_UNKNOWN  The file type is unknown.
*/

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inline char* ltrim(char* const s)
{
    int len;
    char* cur;

    if(s && *s)
    {
        len = strlen(s);
        cur = s;

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inline bool is_negative(float x)
{
    unsigned int* ui = (unsigned int*)&x;
    return (*ui & 0x80000000) != 0;
}

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inline bool ispowerof2(int i)
{
    return i > 0 && (i & (i - 1)) == 0;
}

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template<unsigned char b>
struct ByteBits
{
    enum
    {
        COUNT = ((b >> 0) & 1) +
                ((b >> 1) & 1) +
                ((b >> 2) & 1) +
                ((b >> 3) & 1) +
                ((b >> 4) & 1) +

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inline void shuffle(int* card, int cardsn)
{
    for(int n = 0; n < cardsn; n++)
    {
        int adj = cardsn - n;
        int m = (rand() % adj) + n;
        int tmp = card[n];
        card[n] = card[m];
        card[m] = tmp;
    }

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inline void reverse_string(char* A)
{
#define SWAPVAR(A,B) (A^=B, B^=A, A^=B)
    char* B = A;
    while(B && *B) ++B;
    for(--B; A < B; ++A, --B) SWAPVAR(*A, *B);
}