mlib_VectorMulShift_U8_U8_mediaLibBLibrarymlib_VectorMulShift_U8_U8_Mod(3MLIB)NAME
mlib_VectorMulShift_U8_U8_Mod, mlib_VectorMulShift_U8_U8_Sat, mlib_Vec‐
torMulShift_U8C_U8C_Mod, mlib_VectorMulShift_U8C_U8C_Sat, mlib_Vector‐
MulShift_S8_S8_Mod, mlib_VectorMulShift_S8_S8_Sat, mlib_VectorMul‐
Shift_S8C_S8C_Mod, mlib_VectorMulShift_S8C_S8C_Sat, mlib_VectorMul‐
Shift_S16_S16_Mod, mlib_VectorMulShift_S16_S16_Sat, mlib_VectorMul‐
Shift_S16C_S16C_Mod, mlib_VectorMulShift_S16C_S16C_Sat, mlib_VectorMul‐
Shift_S32_S32_Mod, mlib_VectorMulShift_S32_S32_Sat, mlib_VectorMul‐
Shift_S32C_S32C_Mod, mlib_VectorMulShift_S32C_S32C_Sat - vector multi‐
plication with shifting
SYNOPSIS
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);
DESCRIPTION
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)
where i = 0, 1, ..., (n - 1).
PARAMETERS
Each of the functions takes the following arguments:
z Pointer to the first element of the result vector.
x Pointer to the first element of the first source vector.
y Pointer to the first element of the second source vector.
n Number of elements in each vector.
shift Right shifting factor. The ranges of valid shift are:
1 ≤ shift ≤ 8 for U8, S8, U8C, S8C types
1 ≤ shift ≤ 16 for S16, S16C types
1 ≤ shift ≤ 31 for S32, S32C types
RETURN VALUES
Each of the functions returns MLIB_SUCCESS if successful. Otherwise it
returns MLIB_FAILURE.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
┌─────────────────────────────┬─────────────────────────────┐
│ ATTRIBUTE TYPE │ ATTRIBUTE VALUE │
├─────────────────────────────┼─────────────────────────────┤
│Interface Stability │Committed │
├─────────────────────────────┼─────────────────────────────┤
│MT-Level │MT-Safe │
└─────────────────────────────┴─────────────────────────────┘
SEE ALSOmlib_VectorMulShift_U8_Mod(3MLIB), attributes(5)SunOS 5.10 2 Mar 20mlib_VectorMulShift_U8_U8_Mod(3MLIB)