man pages section 3: Multimedia Library Functions

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Updated: July 2014
 
 

mlib_VectorMulM_S32_S16_Sat (3MLIB)

Name

mlib_VectorMulM_U8_U8_Mod, mlib_VectorMulM_U8_U8_Sat, mlib_VectorMulM_U8C_U8C_Mod, mlib_VectorMulM_U8C_U8C_Sat, mlib_VectorMulM_S8_S8_Mod, mlib_VectorMulM_S8_S8_Sat, mlib_VectorMulM_S8C_S8C_Mod, mlib_VectorMulM_S8C_S8C_Sat, mlib_VectorMulM_S16_U8_Mod, mlib_VectorMulM_S16_U8_Sat, mlib_VectorMulM_S16_S8_Mod, mlib_VectorMulM_S16_S8_Sat, mlib_VectorMulM_S16_S16_Mod, mlib_VectorMulM_S16_S16_Sat, mlib_VectorMulM_S16C_U8C_Mod, mlib_VectorMulM_S16C_U8C_Sat, mlib_VectorMulM_S16C_S8C_Mod, mlib_VectorMulM_S16C_S8C_Sat, mlib_VectorMulM_S16C_S16C_Mod, mlib_VectorMulM_S16C_S16C_Sat, mlib_VectorMulM_S32_S16_Mod, mlib_VectorMulM_S32_S16_Sat, mlib_VectorMulM_S32_S32_Mod, mlib_VectorMulM_S32_S32_Sat, mlib_VectorMulM_S32C_S16C_Mod, mlib_VectorMulM_S32C_S16C_Sat, mlib_VectorMulM_S32C_S32C_Mod, mlib_VectorMulM_S32C_S32C_Sat - multiplication of vector by matrix

Synopsis

cc [ flag... ] file... –lmlib [ library... ]
#include <mlib.h>

mlib_status mlib_VectorMulM_U8_U8_Mod(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_U8_U8_Sat(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_U8C_U8C_Mod(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_U8C_U8C_Sat(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S8_S8_Mod(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S8_S8_Sat(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S8C_S8C_Mod(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S8C_S8C_Sat(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_U8_Mod(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_U8_Sat(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_S8_Mod(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_S8_Sat(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_S16_Mod(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16_S16_Sat(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_U8C_Mod(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_U8C_Sat(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_S8C_Mod(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_S8C_Sat(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_S16C_Mod(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S16C_S16C_Sat(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32_S16_Mod(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32_S16_Sat(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32_S32_Mod(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32_S32_Sat(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32C_S16C_Mod(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32C_S16C_Sat(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32C_S32C_Mod(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *y, mlib_s32 m, mlib_s32 n);
mlib_status mlib_VectorMulM_S32C_S32C_Sat(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *y, mlib_s32 m, mlib_s32 n);

Description

Each of these functions multiplies a vector by a matrix.

For real data, the following equation is used:

       m-1
z[i] = SUM (x[j] * y[j*m + i])
       j=0

where i = 0, 1, ..., (n - 1).

For complex data, the following equation is used:

             m-1
z[2*i ]    = SUM (xR*yR - xI*yI)
             j=0

             m-1
z[2*i + 1] = SUM (xR*yI + xI*yR)
             j=0

where i = 0, 1, ..., (n - 1), and

xR = x[2*j]
xI = x[2*j + 1]
yR = y[2*(j*m + i)]
yI = y[2*(j*m + i) + 1]

Parameters

Each of the functions takes the following arguments:

z

Pointer to the first element of the destination vector.

x

Pointer to the first element of the source vector.

y

Pointer to the first element of the source matrix.

m

Number of rows in the matrix, and number of elements in the source vector.

n

Number of columns in the matrix, and number of elements in the destination vector.

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 also

mlib_VectorMulMShift_S16_S16_Mod(3MLIB), attributes(5)