/[escript]/trunk/paso/src/mmio.h
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Annotation of /trunk/paso/src/mmio.h

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Revision 631 - (hide annotations)
Thu Mar 23 04:27:32 2006 UTC (13 years, 8 months ago) by dhawcroft
File MIME type: text/plain
File size: 5092 byte(s)
Prepended all paso source files with new Copyright notice
1 jgs 82 /* $Id$ */
2    
3     /*
4 dhawcroft 631 ********************************************************************************
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 jgs 82 * Matrix Market I/O library for ANSI C
16     *
17     * See http://math.nist.gov/MatrixMarket for details.
18     *
19     */
20    
21     #ifndef MM_IO_H
22     #define MM_IO_H
23    
24     #ifdef __cplusplus
25     extern "C" {
26     #endif
27    
28     #define MM_MAX_LINE_LENGTH 1025
29     #define MatrixMarketBanner "%%MatrixMarket"
30     #define MM_MAX_TOKEN_LENGTH 64
31    
32     typedef char MM_typecode[4];
33    
34     char *mm_typecode_to_str(MM_typecode matcode);
35    
36     int mm_read_banner(FILE *f, MM_typecode *matcode);
37     int mm_read_mtx_crd_size(FILE *f, int *M, int *N, int *nz);
38     int mm_read_mtx_array_size(FILE *f, int *M, int *N);
39    
40     int mm_write_banner(FILE *f, MM_typecode matcode);
41     int mm_write_mtx_crd_size(FILE *f, int M, int N, int nz);
42     int mm_write_mtx_array_size(FILE *f, int M, int N);
43    
44    
45     /********************* MM_typecode query fucntions ***************************/
46    
47     #define mm_is_matrix(typecode) ((typecode)[0]=='M')
48    
49     #define mm_is_sparse(typecode) ((typecode)[1]=='C')
50     #define mm_is_coordinate(typecode)((typecode)[1]=='C')
51     #define mm_is_dense(typecode) ((typecode)[1]=='A')
52     #define mm_is_array(typecode) ((typecode)[1]=='A')
53    
54     #define mm_is_complex(typecode) ((typecode)[2]=='C')
55     #define mm_is_real(typecode) ((typecode)[2]=='R')
56     #define mm_is_pattern(typecode) ((typecode)[2]=='P')
57     #define mm_is_integer(typecode) ((typecode)[2]=='I')
58    
59     #define mm_is_symmetric(typecode)((typecode)[3]=='S')
60     #define mm_is_general(typecode) ((typecode)[3]=='G')
61     #define mm_is_skew(typecode) ((typecode)[3]=='K')
62     #define mm_is_hermitian(typecode)((typecode)[3]=='H')
63    
64     int mm_is_valid(MM_typecode matcode); /* too complex for a macro */
65    
66    
67     /********************* MM_typecode modify fucntions ***************************/
68    
69     #define mm_set_matrix(typecode) ((*typecode)[0]='M')
70     #define mm_set_coordinate(typecode) ((*typecode)[1]='C')
71     #define mm_set_array(typecode) ((*typecode)[1]='A')
72     #define mm_set_dense(typecode) mm_set_array(typecode)
73     #define mm_set_sparse(typecode) mm_set_coordinate(typecode)
74    
75     #define mm_set_complex(typecode)((*typecode)[2]='C')
76     #define mm_set_real(typecode) ((*typecode)[2]='R')
77     #define mm_set_pattern(typecode)((*typecode)[2]='P')
78     #define mm_set_integer(typecode)((*typecode)[2]='I')
79    
80    
81     #define mm_set_symmetric(typecode)((*typecode)[3]='S')
82     #define mm_set_general(typecode)((*typecode)[3]='G')
83     #define mm_set_skew(typecode) ((*typecode)[3]='K')
84     #define mm_set_hermitian(typecode)((*typecode)[3]='H')
85    
86     #define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \
87     (*typecode)[2]=' ',(*typecode)[3]='G')
88    
89     #define mm_initialize_typecode(typecode) mm_clear_typecode(typecode)
90    
91    
92     /********************* Matrix Market error codes ***************************/
93    
94    
95     #define MM_COULD_NOT_READ_FILE 11
96     #define MM_PREMATURE_EOF 12
97     #define MM_NOT_MTX 13
98     #define MM_NO_HEADER 14
99     #define MM_UNSUPPORTED_TYPE 15
100     #define MM_LINE_TOO_LONG 16
101     #define MM_COULD_NOT_WRITE_FILE 17
102    
103    
104     /******************** Matrix Market internal definitions ********************
105    
106     MM_matrix_typecode: 4-character sequence
107    
108     ojbect sparse/ data storage
109     dense type scheme
110    
111     string position: [0] [1] [2] [3]
112    
113     Matrix typecode: M(atrix) C(oord) R(eal) G(eneral)
114     A(array) C(omplex) H(ermitian)
115     P(attern) S(ymmetric)
116     I(nteger) K(kew)
117    
118     ***********************************************************************/
119    
120     #define MM_MTX_STR "matrix"
121     #define MM_ARRAY_STR "array"
122     #define MM_DENSE_STR "array"
123     #define MM_COORDINATE_STR "coordinate"
124     #define MM_SPARSE_STR "coordinate"
125     #define MM_COMPLEX_STR "complex"
126     #define MM_REAL_STR "real"
127     #define MM_INT_STR "integer"
128     #define MM_GENERAL_STR "general"
129     #define MM_SYMM_STR "symmetric"
130     #define MM_HERM_STR "hermitian"
131     #define MM_SKEW_STR "skew-symmetric"
132     #define MM_PATTERN_STR "pattern"
133    
134    
135     /* high level routines */
136    
137     int mm_write_mtx_crd(char fname[], int M, int N, int nz, int I[], int J[],
138     double val[], MM_typecode matcode);
139     int mm_read_mtx_crd_data(FILE *f, int M, int N, int nz, int I[], int J[],
140     double val[], MM_typecode matcode);
141     int mm_read_mtx_crd_entry(FILE *f, int *I, int *J, double *real, double *img,
142     MM_typecode matcode);
143    
144     int mm_read_unsymmetric_sparse(const char *fname, int *M_, int *N_, int *nz_,
145     double **val_, int **I_, int **J_);
146    
147     #ifdef __cplusplus
148     }
149     #endif
150    
151     #endif
152    
153     /*
154     * $Log$
155     * Revision 1.1 2004/10/26 06:53:59 jgs
156     * Initial revision
157     *
158     * Revision 1.1 2004/07/02 00:48:35 gross
159     * matrix market io function added
160     *
161     *
162     */

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