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

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Revision 633 - (show annotations)
Thu Mar 23 05:37:00 2006 UTC (13 years, 5 months ago) by dhawcroft
File MIME type: text/plain
File size: 2302 byte(s)


1 /* $Id$ */
2
3 /*
4 ********************************************************************************
5 * Copyright 2006 by ACcESS MNRF *
6 * *
7 * http://www.access.edu.au *
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 /* Paso: returns the matrix format requested by a particular linear solver */
16
17 /**************************************************************/
18
19 /* Copyrights by ACcESS Australia 2004,2005 */
20 /* Author: gross@access.edu.au */
21
22 /**************************************************************/
23
24 #include "Paso.h"
25 #include "Options.h"
26 #include "SystemMatrix.h"
27
28 /**************************************************************/
29
30 index_t Paso_SystemMatrix_getSystemMatrixTypeId(index_t solver,index_t package, bool_t symmetry) {
31 index_t out=MATRIX_FORMAT_DEFAULT;
32 package=Paso_Options_getPackage(solver,package,symmetry);
33
34 switch(package) {
35
36 case PASO_PASO:
37 out=MATRIX_FORMAT_DEFAULT;
38 break;
39
40 case PASO_SCSL:
41 out=MATRIX_FORMAT_CSC + MATRIX_FORMAT_BLK1;
42 /* if (solver == PASO_CHOLEVSKY) out+=MATRIX_FORMAT_SYM */
43 break;
44
45 case PASO_MKL:
46 out=MATRIX_FORMAT_BLK1 + MATRIX_FORMAT_OFFSET1;
47 /* if (solver == PASO_CHOLEVSKY) out+=MATRIX_FORMAT_SYM */
48 break;
49
50 case PASO_UMFPACK:
51 out=MATRIX_FORMAT_BLK1;
52 break;
53
54 default:
55 Paso_setError(VALUE_ERROR,"unknown package code");
56 }
57 return out;
58 }
59 /*
60 * $Log$
61 * Revision 1.2 2005/09/15 03:44:39 jgs
62 * Merge of development branch dev-02 back to main trunk on 2005-09-15
63 *
64 * Revision 1.1.2.1 2005/09/05 06:29:48 gross
65 * These files have been extracted from finley to define a stand alone libray for iterative
66 * linear solvers on the ALTIX. main entry through Paso_solve. this version compiles but
67 * has not been tested yet.
68 *
69 *
70 */

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