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

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Revision 1028 - (show annotations)
Wed Mar 14 00:15:24 2007 UTC (12 years, 10 months ago) by gross
File MIME type: text/plain
File size: 3638 byte(s)
modifications to be compliant with _WIN32. The substitutes for asinh, acosh, atanh are still missing (erf will through an exception)
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
16 /* Paso: SystemMatrix is saved to Matrix Market format */
17
18 /**************************************************************/
19
20 /* Copyrights by ACcESS Australia 2003,2004 */
21 /* Author: davies@access.edu.au */
22
23 /**************************************************************/
24
25 #include "Paso.h"
26 #include "mmio.h"
27 #include "SystemMatrix.h"
28
29 void Paso_SystemMatrix_saveMM(Paso_SystemMatrix * A_p, char * fileName_p) {
30
31 int iRow, iCol, iPtr,ir,ic;
32 index_t index_offset=(A_p->type & MATRIX_FORMAT_OFFSET1 ? 1:0);
33 FILE * fileHandle_p = NULL;
34 MM_typecode matrixCode;
35
36 if (A_p->type & MATRIX_FORMAT_SYM) {
37 Paso_setError(TYPE_ERROR,"Paso_SystemMatrix_saveMM does not support symmetric storage scheme");
38 return;
39 }
40 /* open the file */
41 fileHandle_p = fopen(fileName_p, "w");
42 if (fileHandle_p==NULL) {
43 Paso_setError(IO_ERROR,"file could not be opened for writing");
44 return;
45 }
46
47 /* set the matrix code */
48 mm_initialize_typecode(&matrixCode);
49 mm_set_matrix(&matrixCode);
50 mm_set_coordinate(&matrixCode);
51 mm_set_real(&matrixCode);
52
53 mm_write_banner(fileHandle_p, matrixCode);
54 mm_write_mtx_crd_size(fileHandle_p, A_p->num_rows*A_p->row_block_size, A_p->num_cols*A_p->col_block_size,A_p->len);
55
56 if (A_p->type & MATRIX_FORMAT_CSC) {
57 for (iCol = 0; iCol< A_p->pattern->n_ptr; iCol++) {
58 for (ic = 0; ic< A_p->col_block_size; ic++) {
59 for (iPtr = A_p->pattern->ptr[iCol] - index_offset;iPtr < A_p->pattern->ptr[iCol+1] - index_offset; iPtr++) {
60 for (ir = 0; ir< A_p->row_block_size; ir++) {
61 fprintf(fileHandle_p, "%12d %12d %e\n",
62 (A_p->pattern->index[iPtr]-index_offset)*A_p->row_block_size+ir+1,
63 iCol*A_p->col_block_size+ic+ 1,
64 A_p->val[iPtr*A_p->block_size+ir+A_p->row_block_size*ic]);
65 }
66 }
67 }
68 }
69 } else {
70 for (iRow = 0; iRow< A_p->pattern->n_ptr; iRow++) {
71 for (ir = 0; ir< A_p->row_block_size; ir++) {
72 for (iPtr = A_p->pattern->ptr[iRow] - index_offset;iPtr < A_p->pattern->ptr[iRow+1] - index_offset; iPtr++) {
73 for (ic = 0; ic< A_p->col_block_size; ic++) {
74 fprintf(fileHandle_p, "%12d %12d %e\n",
75 iRow*A_p->row_block_size+ir+ 1,
76 (A_p->pattern->index[iPtr]-index_offset)*A_p->col_block_size+ic+1,
77 A_p->val[iPtr*A_p->block_size+ir+A_p->row_block_size*ic]);
78 }
79 }
80 }
81 }
82 }
83
84 /* close the file */
85 fclose(fileHandle_p);
86
87 return;
88 }
89
90 /*
91 * $Log$
92 * Revision 1.2 2005/09/15 03:44:39 jgs
93 * Merge of development branch dev-02 back to main trunk on 2005-09-15
94 *
95 * Revision 1.1.2.1 2005/09/05 06:29:48 gross
96 * These files have been extracted from finley to define a stand alone libray for iterative
97 * linear solvers on the ALTIX. main entry through Paso_solve. this version compiles but
98 * has not been tested yet.
99 *
100 *
101 */

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