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

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Revision 3283 - (hide annotations)
Mon Oct 18 22:39:28 2010 UTC (10 years, 5 months ago) by gross
File MIME type: text/plain
File size: 2086 byte(s)
AMG reengineered, BUG is Smoother fixed.


1 ksteube 1312
2     /*******************************************************
3 ksteube 1811 *
4 jfenwick 2881 * Copyright (c) 2003-2010 by University of Queensland
5 ksteube 1811 * 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 jfenwick 2608 /* Author: Lutz Gross, l.gross@uq.edu.au */
23 jgs 150
24     /**************************************************************/
25    
26     #include "Paso.h"
27     #include "Options.h"
28     #include "SystemMatrix.h"
29    
30     /**************************************************************/
31    
32 jfenwick 3259 index_t Paso_SystemMatrix_getSystemMatrixTypeId(const index_t solver,const index_t preconditioner, const index_t package,const bool_t symmetry, Esys_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 artak 2566 /* AMG on blocksize > 1 not supported yet */
41 artak 2659 /*if (preconditioner == PASO_AMG) {
42 gross 1859 out=MATRIX_FORMAT_DEFAULT + MATRIX_FORMAT_BLK1;
43     } else {
44 artak 2659 */
45     out=MATRIX_FORMAT_DEFAULT;
46     /*}*/
47 jgs 150 break;
48    
49 gross 415
50 jgs 150 case PASO_MKL:
51 gross 425 out=MATRIX_FORMAT_BLK1 + MATRIX_FORMAT_OFFSET1;
52 jgs 150 break;
53    
54     case PASO_UMFPACK:
55 gross 2315 if (mpi_info->size > 1) {
56 jfenwick 3259 Esys_setError(VALUE_ERROR,"The selected solver UMFPACK requires CSC format which is not supported with MPI.");
57 gross 2315 return -1;
58     }
59 gross 806 out=MATRIX_FORMAT_CSC + MATRIX_FORMAT_BLK1;
60 jgs 150 break;
61    
62 ksteube 1312 case PASO_TRILINOS:
63     out=MATRIX_FORMAT_TRILINOS_CRS + MATRIX_FORMAT_BLK1; /* Distributed CRS */
64     break;
65    
66 jgs 150 default:
67 jfenwick 3259 Esys_setError(VALUE_ERROR,"unknown package code");
68 jgs 150 }
69     return out;
70     }

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