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

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Revision 727 - (show annotations)
Fri May 12 06:31:06 2006 UTC (12 years, 11 months ago) by gross
File MIME type: text/plain
File size: 3609 byte(s)
In case of an error in paso a seg fault occured. this was caused by
inproper deallocation of memory in this case. this problem is fixed now.


1 /* $Id$ */
2
3
4 /*
5 ********************************************************************************
6 * Copyright 2006 by ACcESS MNRF *
7 * *
8 * http://www.access.edu.au *
9 * Primary Business: Queensland, Australia *
10 * Licensed under the Open Software License version 3.0 *
11 * http://www.opensource.org/licenses/osl-3.0.php *
12 ********************************************************************************
13 */
14
15 /**************************************************************/
16
17 /* Paso: interface to the direct solvers */
18
19 /**************************************************************/
20
21 /* Copyrights by ACcESS Australia 2003 */
22 /* Author: gross@access.edu.au */
23
24 /**************************************************************/
25
26 #include "Paso.h"
27 #include "performance.h"
28 #include "Solver.h"
29
30 #ifdef SCSL
31 #include "SCSL.h"
32 #endif
33
34 #ifdef MKL
35 #include "MKL.h"
36 #endif
37
38 #ifdef UMFPACK
39 #include "UMFPACK.h"
40 #endif
41
42 /**************************************************************/
43
44 void Paso_solve(Paso_SystemMatrix* A,
45 double* out,
46 double* in,
47 Paso_Options* options) {
48 Paso_Performance pp;
49 Paso_resetError();
50 if (A->num_rows!=A->num_cols || A->col_block_size!=A->row_block_size) {
51 Paso_setError(VALUE_ERROR,"Paso_solve: matrix has to be a square matrix.");
52 return;
53 }
54 Performance_open(&pp,options->verbose);
55 index_t package=Paso_Options_getPackage(options->method,options->package,options->symmetric);
56 if (Paso_noError()) {
57 switch(package) {
58
59 case PASO_PASO:
60 Paso_Solver(A,out,in,options,&pp);
61 A->solver_package=PASO_PASO;
62 break;
63
64 #ifdef SCSL
65 case PASO_SCSL:
66 Paso_SCSL(A,out,in,options,&pp);
67 A->solver_package=PASO_SCSL;
68 break;
69 #endif
70
71
72 #ifdef MKL
73 case PASO_MKL:
74 Paso_MKL(A,out,in,options,&pp);
75 A->solver_package=PASO_MKL;
76 break;
77 #endif
78
79 /*
80 case PASO_UMFPACK:
81 Paso_UMFPACK(A,out,in,options);
82 A->solver_package=PASO_UMFPACK;
83 break;
84 */
85
86 default:
87 Paso_setError(VALUE_ERROR,"Paso_solve: unknown package code");
88 break;
89 }
90 }
91 Performance_close(&pp,options->verbose);
92 return;
93 }
94
95 /* free memory possibly resereved for a recall */
96
97 void Paso_solve_free(Paso_SystemMatrix* in) {
98
99 switch(in->solver_package) {
100
101 case PASO_PASO:
102 Paso_Solver_free(in);
103 break;
104
105 #ifdef SCSL
106 case PASO_SCSL:
107 Paso_SCSL_free(in);
108 break;
109 #endif
110
111
112 #ifdef MKL
113 case PASO_MKL:
114 Paso_MKL_free(in);
115 break;
116 #endif
117
118 /*
119 case PASO_UMFPACK:
120 Paso_UMFPACK_free(in);
121 break;
122 */
123 }
124 }
125 /*
126 * $Log$
127 * Revision 1.2 2005/09/15 03:44:39 jgs
128 * Merge of development branch dev-02 back to main trunk on 2005-09-15
129 *
130 * Revision 1.1.2.2 2005/09/07 00:59:08 gross
131 * some inconsistent renaming fixed to make the linking work.
132 *
133 * Revision 1.1.2.1 2005/09/05 06:29:49 gross
134 * These files have been extracted from finley to define a stand alone libray for iterative
135 * linear solvers on the ALTIX. main entry through Paso_solve. this version compiles but
136 * has not been tested yet.
137 *
138 *
139 */

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