man pages section 3: Multimedia Library Functions

Exit Print View

Updated: July 2014
 
 

mlib_VectorMulS_U8_U8_Sat (3MLIB)

Name

mlib_VectorMulS_U8_U8_Mod, mlib_VectorMulS_U8_U8_Sat, mlib_VectorMulS_U8C_U8C_Mod, mlib_VectorMulS_U8C_U8C_Sat, mlib_VectorMulS_S8_S8_Mod, mlib_VectorMulS_S8_S8_Sat, mlib_VectorMulS_S8C_S8C_Mod, mlib_VectorMulS_S8C_S8C_Sat, mlib_VectorMulS_S16_U8_Mod, mlib_VectorMulS_S16_U8_Sat, mlib_VectorMulS_S16_S8_Mod, mlib_VectorMulS_S16_S8_Sat, mlib_VectorMulS_S16_S16_Mod, mlib_VectorMulS_S16_S16_Sat, mlib_VectorMulS_S16C_U8C_Mod, mlib_VectorMulS_S16C_U8C_Sat, mlib_VectorMulS_S16C_S8C_Mod, mlib_VectorMulS_S16C_S8C_Sat, mlib_VectorMulS_S16C_S16C_Mod, mlib_VectorMulS_S16C_S16C_Sat, mlib_VectorMulS_S32_S16_Mod, mlib_VectorMulS_S32_S16_Sat, mlib_VectorMulS_S32_S32_Mod, mlib_VectorMulS_S32_S32_Sat, mlib_VectorMulS_S32C_S16C_Mod, mlib_VectorMulS_S32C_S16C_Sat, mlib_VectorMulS_S32C_S32C_Mod, mlib_VectorMulS_S32C_S32C_Sat - vector multiplication by scalar

Synopsis

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

mlib_status mlib_VectorMulS_U8_U8_Mod(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_U8_U8_Sat(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_U8C_U8C_Mod(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_U8C_U8C_Sat(mlib_u8 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S8_S8_Mod(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S8_S8_Sat(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S8C_S8C_Mod(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S8C_S8C_Sat(mlib_s8 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_U8_Mod(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_U8_Sat(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_S8_Mod(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_S8_Sat(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_S16_Mod(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16_S16_Sat(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_U8C_Mod(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_U8C_Sat(mlib_s16 *z, const mlib_u8 *x,
     const mlib_u8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_S8C_Mod(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_S8C_Sat(mlib_s16 *z, const mlib_s8 *x,
     const mlib_s8 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_S16C_Mod(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S16C_S16C_Sat(mlib_s16 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32_S16_Mod(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32_S16_Sat(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32_S32_Mod(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32_S32_Sat(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32C_S16C_Mod(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32C_S16C_Sat(mlib_s32 *z, const mlib_s16 *x,
     const mlib_s16 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32C_S32C_Mod(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *c, mlib_s32 n);
mlib_status mlib_VectorMulS_S32C_S32C_Sat(mlib_s32 *z, const mlib_s32 *x,
     const mlib_s32 *c, mlib_s32 n);

Description

Each of these functions multiplies a vector by a scalar.

For real data, the following equation is used:

z[i] = x[i] * c[0]

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

For complex data, the following equation is used:

z[2*i]     = x[2*i]*c[0] - x[2*i + 1]*c[1]
z[2*i + 1] = x[2*i]*c[1] + x[2*i + 1]*c[0]

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

c

Pointer to the source scalar. When the function is used with complex data types, c[0] contains the real part of the scalar, and c[1] contains the imaginary part of the scalar.

n

Number of elements in the vectors.

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_VectorMulS_U8_Mod(3MLIB), attributes(5)