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| HPL_dlocswpT(3) | HPL Library Functions | HPL_dlocswpT(3) |
NAME
HPL_dlocswpT - locally swaps rows within panel.SYNOPSIS
#include "hpl.h"void HPL_dlocswpT( HPL_T_panel * PANEL, const int II, const int JJ, double * WORK );
DESCRIPTION
HPL_dlocswpT performs the local swapping operations within a panel. The lower triangular N0-by-N0 upper block of the panel is stored in transpose form.ARGUMENTS
- PANEL (local input/output) HPL_T_panel *
- On entry, PANEL points to the data structure containing the panel information.
- II (local input) const int
- On entry, II specifies the row offset where the column to be operated on starts with respect to the panel.
- JJ (local input) const int
- On entry, JJ specifies the column offset where the column to be operated on starts with respect to the panel.
- WORK (local workspace) double *
- On entry, WORK is a workarray of size at least 2 * (4+2*N0). WORK[0] contains the local maximum absolute value scalar, WORK[1] contains the corresponding local row index, WORK[2] contains the corresponding global row index, and WORK[3] is the coordinate of process owning this max. The N0 length max row is stored in WORK[4:4+N0-1]; Note that this is also the JJth row (or column) of L1. The remaining part of this array is used as workspace.
SEE ALSO
HPL_dlocmax (3), HPL_dlocswpN (3), HPL_pdmxswp (3), HPL_pdpancrN (3), HPL_pdpancrT (3), HPL_pdpanllN (3), HPL_pdpanllT (3), HPL_pdpanrlN (3), HPL_pdpanrlT (3), HPL_pdrpancrN (3), HPL_pdrpancrT (3), HPL_pdrpanllN (3), HPL_pdrpanllT (3), HPL_pdrpanrlN (3), HPL_pdrpanrlT (3), HPL_pdfact (3).| December 2, 2018 | HPL 2.3 |
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