/[escript]/trunk/paso/src/SparseMatrix_addRow.c
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Annotation of /trunk/paso/src/SparseMatrix_addRow.c

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Revision 1811 - (hide annotations)
Thu Sep 25 23:11:13 2008 UTC (11 years ago) by ksteube
File MIME type: text/plain
File size: 1397 byte(s)
Copyright updated in all files

1 ksteube 1315
2     /*******************************************************
3 ksteube 1811 *
4     * Copyright (c) 2003-2008 by University of Queensland
5     * Earth Systems Science Computational Center (ESSCC)
6     * http://www.uq.edu.au/esscc
7     *
8     * Primary Business: Queensland, Australia
9     * Licensed under the Open Software License version 3.0
10     * http://www.opensource.org/licenses/osl-3.0.php
11     *
12     *******************************************************/
13 ksteube 1315
14 ksteube 1811
15 ksteube 1315 /***************************************************************************/
16    
17 gross 1363 /* Paso: SparseMatrix: adds the row entries to an array */
18 ksteube 1315
19     /***************************************************************************/
20    
21 gross 1363 /* Author: l.gross@uq.edu.au */
22 ksteube 1315
23     /**************************************************************/
24    
25     #include "Paso.h"
26     #include "SparseMatrix.h"
27    
28 gross 1363 void Paso_SparseMatrix_addRow_CSR_OFFSET0(Paso_SparseMatrix* A, double* array) {
29 phornby 1628 dim_t ir,irow,icb,irb;
30 ksteube 1315 index_t iptr;
31     register double fac;
32     #pragma omp parallel for private(ir,irb,irow,fac,iptr,icb) schedule(static)
33     for (ir=0;ir< A->pattern->numOutput;ir++) {
34     for (irb=0;irb< A->row_block_size;irb++) {
35     irow=irb+A->row_block_size*ir;
36     fac=0.;
37     for (iptr=A->pattern->ptr[ir];iptr<A->pattern->ptr[ir+1]; iptr++) {
38     for (icb=0;icb< A->col_block_size;icb++)
39 gross 1363 fac+=A->val[iptr*A->block_size+irb+A->row_block_size*icb];
40 ksteube 1315 }
41     array[irow]+=fac;
42     }
43     }
44     }

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