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

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Revision 1859 - (show annotations)
Wed Oct 8 03:03:37 2008 UTC (11 years ago) by gross
File MIME type: text/plain
File size: 2004 byte(s)
first version of testing for transport solver.
1
2 /*******************************************************
3 *
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
14
15 /**************************************************************/
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 index_t Paso_SystemMatrix_getSystemMatrixTypeId(const index_t solver,const index_t preconditioner, const index_t package,const bool_t symmetry) {
33 index_t true_package;
34 index_t out=MATRIX_FORMAT_DEFAULT;
35 true_package=Paso_Options_getPackage(solver,package,symmetry);
36
37 switch(true_package) {
38
39 case PASO_PASO:
40 if (preconditioner == PASO_AMG) {
41 out=MATRIX_FORMAT_DEFAULT + MATRIX_FORMAT_BLK1;
42 } else {
43 out=MATRIX_FORMAT_DEFAULT;
44 }
45 break;
46
47 case PASO_SCSL:
48 out=MATRIX_FORMAT_CSC + MATRIX_FORMAT_BLK1;
49 /* if (solver == PASO_CHOLEVSKY) out+=MATRIX_FORMAT_SYM */
50 break;
51
52 case PASO_MKL:
53 out=MATRIX_FORMAT_BLK1 + MATRIX_FORMAT_OFFSET1;
54 /* if (solver == PASO_CHOLEVSKY) out+=MATRIX_FORMAT_SYM */
55 break;
56
57 case PASO_UMFPACK:
58 out=MATRIX_FORMAT_CSC + MATRIX_FORMAT_BLK1;
59 break;
60
61 case PASO_TRILINOS:
62 out=MATRIX_FORMAT_TRILINOS_CRS + MATRIX_FORMAT_BLK1; /* Distributed CRS */
63 break;
64
65 default:
66 Paso_setError(VALUE_ERROR,"unknown package code");
67 }
68 return out;
69 }

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