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HPL_dlaswp02N(3) HPL Library Functions HPL_dlaswp02N(3)

HPL_dlaswp02N - pack rows of A into columns of W.

#include "hpl.h"

void HPL_dlaswp02N( const int M, const int N, const double * A, const int LDA, double * W0, double * W, const int LDW, const int * LINDXA, const int * LINDXAU );

HPL_dlaswp02N packs scattered rows of an array A into workspace W. The row offsets in A are specified by LINDXA.

On entry, M specifies the number of rows of A that should be copied into W. M must be at least zero.
On entry, N specifies the length of rows of A that should be copied into W. N must be at least zero.
On entry, A points to an array of dimension (LDA,N). The rows of this array specified by LINDXA should be copied into W.
On entry, LDA specifies the leading dimension of the array A. LDA must be at least MAX(1,M).
On exit, 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.
On entry, W is an array of size (LDW,M). On exit, W contains the rows LINDXA[i] for i in [0..M) of A stored contiguously in W(:,i).
On entry, LDW specifies the leading dimension of the array W. LDW must be at least MAX(1,N+1).
On entry, LINDXA is an array of dimension M that contains the local row indexes of A that should be copied into W.
On entry, LINDXAU is an array of dimension M that contains the local row indexes of U that should be copied into A and replaced by the rows of W.

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).

December 2, 2018 HPL 2.3

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