Exemplos de PACK_FLOAT_128 em C++ (Cpp)

Exemplo n.º 1

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Arquivo: fsincos.cpp Projeto: iver6/BA

        if ((eq && (q & 1)) || lt) {
            zSign = !zSign;
            ++q;
        }
        if (lt) sub128(FLOAT_PI_HI, FLOAT_PI_LO, aSig0, aSig1, &aSig0, &aSig1);
    }

    return (int)(q & 3);
}

#define SIN_ARR_SIZE 11
#define COS_ARR_SIZE 11

static float128 sin_arr[SIN_ARR_SIZE] =
{
    PACK_FLOAT_128(0x3fff000000000000, 0x0000000000000000), /*  1 */
    PACK_FLOAT_128(0xbffc555555555555, 0x5555555555555555), /*  3 */
    PACK_FLOAT_128(0x3ff8111111111111, 0x1111111111111111), /*  5 */
    PACK_FLOAT_128(0xbff2a01a01a01a01, 0xa01a01a01a01a01a), /*  7 */
    PACK_FLOAT_128(0x3fec71de3a556c73, 0x38faac1c88e50017), /*  9 */
    PACK_FLOAT_128(0xbfe5ae64567f544e, 0x38fe747e4b837dc7), /* 11 */
    PACK_FLOAT_128(0x3fde6124613a86d0, 0x97ca38331d23af68), /* 13 */
    PACK_FLOAT_128(0xbfd6ae7f3e733b81, 0xf11d8656b0ee8cb0), /* 15 */
    PACK_FLOAT_128(0x3fce952c77030ad4, 0xa6b2605197771b00), /* 17 */
    PACK_FLOAT_128(0xbfc62f49b4681415, 0x724ca1ec3b7b9675), /* 19 */
    PACK_FLOAT_128(0x3fbd71b8ef6dcf57, 0x18bef146fcee6e45)  /* 21 */
};

static float128 cos_arr[COS_ARR_SIZE] =
{
    PACK_FLOAT_128(0x3fff000000000000, 0x0000000000000000), /*  0 */

Exemplo n.º 2

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Arquivo: fsincos.cpp Projeto: ralvaradoc/libsf

        if ((eq && (q & 1)) || lt) {
            zSign = !zSign;
            ++q;
        }
        if (lt) sub128(FLOAT_PI_HI, FLOAT_PI_LO, aSig0, aSig1, &aSig0, &aSig1);
    }

    return (int)(q & 3);
}

#define SIN_ARR_SIZE 9
#define COS_ARR_SIZE 9

static float128 sin_arr[SIN_ARR_SIZE] =
{
    PACK_FLOAT_128(0x3fff000000000000, 0x0000000000000000), /*  1 */
    PACK_FLOAT_128(0xbffc555555555555, 0x5555555555555555), /*  3 */
    PACK_FLOAT_128(0x3ff8111111111111, 0x1111111111111111), /*  5 */
    PACK_FLOAT_128(0xbff2a01a01a01a01, 0xa01a01a01a01a01a), /*  7 */
    PACK_FLOAT_128(0x3fec71de3a556c73, 0x38faac1c88e50017), /*  9 */
    PACK_FLOAT_128(0xbfe5ae64567f544e, 0x38fe747e4b837dc7), /* 11 */
    PACK_FLOAT_128(0x3fde6124613a86d0, 0x97ca38331d23af68), /* 13 */
    PACK_FLOAT_128(0xbfd6ae7f3e733b81, 0xf11d8656b0ee8cb0), /* 15 */
    PACK_FLOAT_128(0x3fce952c77030ad4, 0xa6b2605197771b00)  /* 17 */
};

static float128 cos_arr[COS_ARR_SIZE] =
{
    PACK_FLOAT_128(0x3fff000000000000, 0x0000000000000000), /*  0 */
    PACK_FLOAT_128(0xbffe000000000000, 0x0000000000000000), /*  2 */
    PACK_FLOAT_128(0x3ffa555555555555, 0x5555555555555555), /*  4 */

Exemplo n.º 3

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Arquivo: fyl2x.c Projeto: broftkd/mess-svn

    packFloat_128(U64(0x3fff000000000000), U64(0x0000000000000000));
static const float128 float128_two =
    packFloat_128(U64(0x4000000000000000), U64(0x0000000000000000));

static const float128 float128_ln2inv2 =
    packFloat_128(U64(0x400071547652b82f), U64(0xe1777d0ffda0d23a));

#define SQRT2_HALF_SIG	U64(0xb504f333f9de6484)

extern float128 OddPoly(float128 x, float128 *arr, unsigned n);

#define L2_ARR_SIZE 9

static float128 ln_arr[L2_ARR_SIZE] =
{
    PACK_FLOAT_128(0x3fff000000000000, 0x0000000000000000), /*  1 */
    PACK_FLOAT_128(0x3ffd555555555555, 0x5555555555555555), /*  3 */
    PACK_FLOAT_128(0x3ffc999999999999, 0x999999999999999a), /*  5 */
    PACK_FLOAT_128(0x3ffc249249249249, 0x2492492492492492), /*  7 */
    PACK_FLOAT_128(0x3ffbc71c71c71c71, 0xc71c71c71c71c71c), /*  9 */
    PACK_FLOAT_128(0x3ffb745d1745d174, 0x5d1745d1745d1746), /* 11 */
    PACK_FLOAT_128(0x3ffb3b13b13b13b1, 0x3b13b13b13b13b14), /* 13 */
    PACK_FLOAT_128(0x3ffb111111111111, 0x1111111111111111), /* 15 */
    PACK_FLOAT_128(0x3ffae1e1e1e1e1e1, 0xe1e1e1e1e1e1e1e2)  /* 17 */
};

static float128 poly_ln(float128 x1)
{
/*
    //
    //                     3     5     7     9     11     13     15