mlib_MatrixMulSShift_U8_Mod(3MLIB) mediaLib Library Functions mlib_MatrixMulSShift_U8_Mod(3MLIB)
NAME
mlib_MatrixMulSShift_U8_Mod, mlib_MatrixMulSShift_U8_Sat, mlib_MatrixMulSShift_U8C_Mod, mlib_MatrixMulSShift_U8C_Sat, mlib_Matrix-
MulSShift_S8_Mod, mlib_MatrixMulSShift_S8_Sat, mlib_MatrixMulSShift_S8C_Mod, mlib_MatrixMulSShift_S8C_Sat, mlib_MatrixMulSShift_S16_Mod,
mlib_MatrixMulSShift_S16_Sat, mlib_MatrixMulSShift_S16C_Mod, mlib_MatrixMulSShift_S16C_Sat, mlib_MatrixMulSShift_S32_Mod, mlib_Matrix-
MulSShift_S32_Sat, mlib_MatrixMulSShift_S32C_Mod, mlib_MatrixMulSShift_S32C_Sat - matrix multiplication by scalar plus shifting, in place
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_MatrixMulSShift_U8_Mod(mlib_u8 *xz,
const mlib_u8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_U8_Sat(mlib_u8 *xz,
const mlib_u8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_U8C_Mod(mlib_u8 *xz,
const mlib_u8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_U8C_Sat(mlib_u8 *xz,
const mlib_u8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S8_Mod(mlib_s8 *xz,
const mlib_s8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S8_Sat(mlib_s8 *xz,
const mlib_s8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S8C_Mod(mlib_s8 *xz,
const mlib_s8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S8C_Sat(mlib_s8 *xz,
const mlib_s8 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S16_Mod(mlib_s16 *xz,
const mlib_s16 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S16_Sat(mlib_s16 *xz,
const mlib_s16 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S16C_Mod(mlib_s16 *xz,
const mlib_s16 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S16C_Sat(mlib_s16 *xz,
const mlib_s16 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S32_Mod(mlib_s32 *xz,
const mlib_s32 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S32_Sat(mlib_s32 *xz,
const mlib_s32 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S32C_Mod(mlib_s32 *xz,
const mlib_s32 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
mlib_status mlib_MatrixMulSShift_S32C_Sat(mlib_s32 *xz,
const mlib_s32 *c, mlib_s32 m, mlib_s32 n, mlib_s32 shift);
DESCRIPTION
Each of these functions performs an in-place multiplication of a matrix with a scalar and shifts the result.
For real data, the following equation is used:
xz[i] = c[0]*xz[i]*2**(-shift)
where i = 0, 1, ..., (m*n - 1).
For complex data, the following equation is used:
tmp = xz[2*i]
xz[2*i] = (c[0]*tmp - c[1]*xz[2*i + 1])*2**(-shift)
xz[2*i + 1] = (c[1]*tmp + c[0]*xz[2*i + 1])*2**(-shift)
where i = 0, 1, ..., (m*n - 1).
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
PARAMETERS
Each of the functions takes the following arguments:
xz Pointer to the source and destination matrix.
c Pointer to the source scalar. When the function is used with complex data types, c[0] contains the scalar for the real part, and
c[1] contains the scalar for the imaginary part.
m Number of rows in each matrix.
n Number of columns in each matrix.
shift Right shifting factor.
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_MatrixMulSShift_U8_U8_Mod(3MLIB), attributes(5)
SunOS 5.11 2 Mar 2007 mlib_MatrixMulSShift_U8_Mod(3MLIB)