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cc [ flag... ] file... -lmlib [ library... ] #include <mlib.h> mlib_status mlib_VectorMulShift_U8_U8_Mod(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_U8_U8_Sat(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_U8C_U8C_Mod(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_U8C_U8C_Sat(mlib_u8 *z, const mlib_u8 *x, const mlib_u8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S8_S8_Mod(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S8_S8_Sat(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S8C_S8C_Mod(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S8C_S8C_Sat(mlib_s8 *z, const mlib_s8 *x, const mlib_s8 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S16_S16_Mod(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S16_S16_Sat(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S16C_S16C_Mod(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S16C_S16C_Sat(mlib_s16 *z, const mlib_s16 *x, const mlib_s16 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S32_S32_Mod(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S32_S32_Sat(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S32C_S32C_Mod(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_VectorMulShift_S32C_S32C_Sat(mlib_s32 *z, const mlib_s32 *x, const mlib_s32 *y, mlib_s32 n, mlib_s32 shift);
Each of these functions performs a multiplication of two vectors, shifts the result, and puts it into a third vector.
For real data, the following equation is used:
z[i] = x[i] * y[i] * 2**(-shift)
where i = 0, 1, ..., (n - 1).
For complex data, the following equation is used:
z[2*i] = (x[2*i]*y[2*i] - x[2*i + 1]*y[2*i + 1]) * 2**(-shift) z[2*i + 1] = (x[2*i]*y[2*i + 1] + x[2*i + 1]*y[2*i]) * 2**(-shift)
Each of the functions takes the following arguments:
z
x
y
n
shift
1 ≤ shift ≤ 8 for U8, S8, U8C, S8C types 1 ≤ shift ≤ 16 for S16, S16C types 1 ≤ shift ≤ 31 for S32, S32C types
Each of the functions returns MLIB_SUCCESS if successful. Otherwise it returns MLIB_FAILURE.
See attributes(5) for descriptions of the following attributes:
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mlib_VectorMulShift_U8_Mod(3MLIB), attributes(5)