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Man Pages


Manual Reference Pages  -  HPL_DLASWP04T (3)

NAME

HPL_dlaswp04T - copy columns of U in rows of A and replace them with columns of W.

CONTENTS

Synopsis
Description
Arguments
See Also

SYNOPSIS

#include "hpl.h"

void HPL_dlaswp04T( const int M0, const int M1, const int N, double * U, const int LDU, double * A, const int LDA, const double * W0, const double * W, const int LDW, const int * LINDXA, const int * LINDXAU );

DESCRIPTION

HPL_dlaswp04T copies M0 columns of U into rows of A and replaces those columns of U with columns of W. In addition M1 - M0 columns of W are copied into U.

ARGUMENTS

M0 (local input) const int
  On entry, M0 specifies the number of columns of U that should be copied into A and replaced by columns of W. M0 must be at least zero.
M1 (local input) const int
  On entry, M1 specifies the number of columnns of W that will be copied into U. M1 must be at least zero.
N (local input) const int
  On entry, N specifies the length of the columns of U that will be copied into rows of A. N must be at least zero.
U (local input/output) double *
  On entry, U points to an array of dimension (LDU,*). This array contains the columns that are to be copied into rows of A.
LDU (local input) const int
  On entry, LDU specifies the leading dimension of the array U. LDU must be at least MAX(1,N).
A (local output) double *
  On entry, A points to an array of dimension (LDA,N). On exit, the rows of this array specified by LINDXA are replaced by columns of U indicated by LINDXAU.
LDA (local input) const int
  On entry, LDA specifies the leading dimension of the array A. LDA must be at least MAX(1,M0).
W0 (local input) const double *
  On entry, W0 is an array of size (M-1)*LDW+1, that contains the destination offset in U where the columns of W should be copied.
W (local input) const double *
  On entry, W is an array of size (LDW,M0+M1), that contains data to be copied into U. For i in [M0..M0+M1), the entries W(:,i) are copied into the column W0(i*LDW) of U.
LDW (local input) const int
  On entry, LDW specifies the leading dimension of the array W. LDW must be at least MAX(1,N+1).
LINDXA (local input) const int *
  On entry, LINDXA is an array of dimension M0 containing the local row indexes A into which columns of U are copied.
LINDXAU (local input) const int *
  On entry, LINDXAU is an array of dimension M0 that contains the local column indexes of U that should be copied into A and replaced by the columns of W.

SEE ALSO

HPL_dlaswp00N (3), HPL_dlaswp10N (3), HPL_dlaswp01N (3), HPL_dlaswp01T (3), HPL_dlaswp02N (3), HPL_dlaswp03N (3), HPL_dlaswp03T (3), HPL_dlaswp04N (3), HPL_dlaswp04T (3), HPL_dlaswp05N (3), HPL_dlaswp05T (3), HPL_dlaswp06N (3), HPL_dlaswp06T (3).
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HPL 2.1 HPL_DLASWP04T (3) October 26, 2012

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