mlib_MatrixTranspose_U8C man page on SunOS
[printable version]
mlib_MatrixTranspose_U8(3MmediaLib Library Functmlib_MatrixTranspose_U8(3MLIB)
NAME
mlib_MatrixTranspose_U8, mlib_MatrixTranspose_U8C, mlib_MatrixTrans‐
pose_S8, mlib_MatrixTranspose_S8C, mlib_MatrixTranspose_S16,
mlib_MatrixTranspose_S16C, mlib_MatrixTranspose_S32, mlib_MatrixTrans‐
pose_S32C - matrix transpose, in place
SYNOPSIS
cc [ flag... ] file... -lmlib [ library... ]
#include <mlib.h>
mlib_status mlib_MatrixTranspose_U8(mlib_u8 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_U8C(mlib_u8 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S8(mlib_s8 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S8C(mlib_s8 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S16(mlib_s16 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S16C(mlib_s16 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S32(mlib_s32 *xz, mlib_s32 mn);
mlib_status mlib_MatrixTranspose_S32C(mlib_s32 *xz, mlib_s32 mn);
DESCRIPTION
Each of these functions performs an in-place transpose of a square
matrix.
For real data, the following pseudo code applies:
for (i = 1; i < mn; i++) {
for (j = 0; j < i; i++) {
tmp = xz[i*mn + j];
xz[i*mn + j] = xz[j*mn + i];
xz[j*mn + i] = tmp;
}
}
For complex data, the following pseudo code applies:
for (i = 1; i < mn; i++) {
for (j = 0; j < i; i++) {
tmp0 = xz[2*(i*mn + j)];
tmp1 = xz[2*(i*mn + j) + 1];
xz[2*(i*mn + j)] = xz[2*(j*mn + i)];
xz[2*(i*mn + j) + 1] = xz[2*(j*mn + i) + 1];
xz[2*(j*mn + i)] = tmp0;
xz[2*(j*mn + i) + 1] = tmp1;
}
}
PARAMETERS
Each of the functions takes the following arguments:
xz Pointer to the source and destination matrix.
mn Number of rows and columns in the matrix.
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_MatrixTranspose_U8(3MLIB), attributes(5)
SunOS 5.10 2 Mar 2007 mlib_MatrixTranspose_U8(3MLIB)
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