OptiVec: MF_Rows_rotate

MF_Rows_rotate_buf

MD_Rows_rotate_buf

ME_Rows_rotate_buf

MCF_Rows_rotate_buf

MCD_Rows_rotate_buf

MCE_Rows_rotate_buf

MI_Rows_rotate_buf

MBI_Rows_rotate_buf

MSI_Rows_rotate_buf

MLI_Rows_rotate_buf

MQI_Rows_rotate_buf

MU_Rows_rotate_buf

MUB_Rows_rotate_buf

MUS_Rows_rotate_buf

MUL_Rows_rotate_buf

MUQ_Rows_rotate_buf

Function

efficient row rotation (moving of whole rows), using specified buffer memory

Syntax C/C++	#include <MFstd.h> void MF_Rows_rotate_buf( fMatrix MA, ui ht, ui len, int pos, fMatrix MBuf );
C++ MatObj	#include <OptiVec.h> void matrix<T>::Rows_rotate_buf( const int pos, const matrix<T> MBuf );
Pascal/Delphi	uses MFstd; procedure MF_Rows_rotate_buf( MA:fMatrix; ht, len:UIntSize; pos:Integer; MBuf:fMatrix );

CUDA function C/C++	#include <cudaMFstd.h> int cudaMF_Rows_rotate_buf( fMatrix d_MA, ui ht, ui len, int pos, fMatrix d_MBuf );
CUDA function Pascal/Delphi	uses MFstd; function cudaMF_Rows_rotate_buf( d_MA:fMatrix; ht, len:UIntSize; pos:Integer; d_MBuf:fMatrix ): IntBool;

Description

MA_i,j = MA_{i, len-pos+j},   j=0,..,pos-1
MA_i,j = MA_{i, j-pos},      j=pos,...,len-1
MA_i,j = MA_{i-pos, j},      i=pos,...,ht-1

This function is a more efficient variant of MF_Rows_rotate. Instead of internally allocating the necessary work-space, it takes the matrix MBuf as buffer memory. MBuf must be a matrix generated by the OptiVec memory management functions (MF_matrix etc.). The size (i.e., the number of elements, ht*len) of MBuf must be at least the same size as MA.