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

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Revision 2479 - (hide annotations)
Thu Jun 18 06:50:37 2009 UTC (10 years, 4 months ago) by gross
File MIME type: text/plain
File size: 2072 byte(s)
paso returns now some diagnostics. SCSL has been removed.

1 ksteube 1312
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 1312
14 ksteube 1811
15 jgs 150 /**************************************************************/
16    
17     /* Paso: returns the matrix format requested by a particular linear solver */
18    
19     /**************************************************************/
20    
21     /* Copyrights by ACcESS Australia 2004,2005 */
22     /* Author: gross@access.edu.au */
23    
24     /**************************************************************/
25    
26     #include "Paso.h"
27     #include "Options.h"
28     #include "SystemMatrix.h"
29    
30     /**************************************************************/
31    
32 gross 2315 index_t Paso_SystemMatrix_getSystemMatrixTypeId(const index_t solver,const index_t preconditioner, const index_t package,const bool_t symmetry, Paso_MPIInfo *mpi_info) {
33 gross 1859 index_t true_package;
34 gross 415 index_t out=MATRIX_FORMAT_DEFAULT;
35 gross 2315 true_package=Paso_Options_getPackage(solver,package,symmetry, mpi_info);
36 jgs 150
37 gross 1859 switch(true_package) {
38 jgs 150
39     case PASO_PASO:
40 gross 1859 if (preconditioner == PASO_AMG) {
41     out=MATRIX_FORMAT_DEFAULT + MATRIX_FORMAT_BLK1;
42     } else {
43     out=MATRIX_FORMAT_DEFAULT;
44     }
45 jgs 150 break;
46    
47 gross 415
48 jgs 150 case PASO_MKL:
49 gross 425 out=MATRIX_FORMAT_BLK1 + MATRIX_FORMAT_OFFSET1;
50     /* if (solver == PASO_CHOLEVSKY) out+=MATRIX_FORMAT_SYM */
51 jgs 150 break;
52    
53     case PASO_UMFPACK:
54 gross 2315 if (mpi_info->size > 1) {
55     Paso_setError(VALUE_ERROR,"The selected solver UMFPACK requires CSC format which is not supported with MPI.");
56     return -1;
57     }
58 gross 806 out=MATRIX_FORMAT_CSC + MATRIX_FORMAT_BLK1;
59 jgs 150 break;
60    
61 ksteube 1312 case PASO_TRILINOS:
62     out=MATRIX_FORMAT_TRILINOS_CRS + MATRIX_FORMAT_BLK1; /* Distributed CRS */
63     break;
64    
65 jgs 150 default:
66     Paso_setError(VALUE_ERROR,"unknown package code");
67     }
68     return out;
69     }

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