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

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Revision 2548 - (show annotations)
Mon Jul 20 06:20:06 2009 UTC (10 years, 2 months ago) by jfenwick
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Updating copyright notices
1
2 /*******************************************************
3 *
4 * Copyright (c) 2003-2009 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 * Matrix Market I/O library for ANSI C
17 *
18 * See http://math.nist.gov/MatrixMarket for details.
19 *
20 */
21
22 #ifndef MM_IO_H
23 #define MM_IO_H
24
25 #include <stdio.h>
26
27 #define MM_MAX_LINE_LENGTH 1025
28 #define MatrixMarketBanner "%%MatrixMarket"
29 #define MM_MAX_TOKEN_LENGTH 64
30
31 typedef char MM_typecode[4];
32
33 char *mm_typecode_to_str(MM_typecode matcode);
34
35 int mm_read_banner(FILE *f, MM_typecode *matcode);
36 int mm_read_mtx_crd_size(FILE *f, int *M, int *N, int *nz);
37 int mm_read_mtx_array_size(FILE *f, int *M, int *N);
38
39 int mm_write_banner(FILE *f, MM_typecode matcode);
40 int mm_write_mtx_crd_size(FILE *f, int M, int N, int nz);
41 int mm_write_mtx_array_size(FILE *f, int M, int N);
42
43
44 /********************* MM_typecode query fucntions ***************************/
45
46 #define mm_is_matrix(typecode) ((typecode)[0]=='M')
47
48 #define mm_is_sparse(typecode) ((typecode)[1]=='C')
49 #define mm_is_coordinate(typecode)((typecode)[1]=='C')
50 #define mm_is_dense(typecode) ((typecode)[1]=='A')
51 #define mm_is_array(typecode) ((typecode)[1]=='A')
52
53 #define mm_is_complex(typecode) ((typecode)[2]=='C')
54 #define mm_is_real(typecode) ((typecode)[2]=='R')
55 #define mm_is_pattern(typecode) ((typecode)[2]=='P')
56 #define mm_is_integer(typecode) ((typecode)[2]=='I')
57
58 #define mm_is_symmetric(typecode)((typecode)[3]=='S')
59 #define mm_is_general(typecode) ((typecode)[3]=='G')
60 #define mm_is_skew(typecode) ((typecode)[3]=='K')
61 #define mm_is_hermitian(typecode)((typecode)[3]=='H')
62
63 int mm_is_valid(MM_typecode matcode); /* too complex for a macro */
64
65
66 /********************* MM_typecode modify fucntions ***************************/
67
68 #define mm_set_matrix(typecode) ((*typecode)[0]='M')
69 #define mm_set_coordinate(typecode) ((*typecode)[1]='C')
70 #define mm_set_array(typecode) ((*typecode)[1]='A')
71 #define mm_set_dense(typecode) mm_set_array(typecode)
72 #define mm_set_sparse(typecode) mm_set_coordinate(typecode)
73
74 #define mm_set_complex(typecode)((*typecode)[2]='C')
75 #define mm_set_real(typecode) ((*typecode)[2]='R')
76 #define mm_set_pattern(typecode)((*typecode)[2]='P')
77 #define mm_set_integer(typecode)((*typecode)[2]='I')
78
79
80 #define mm_set_symmetric(typecode)((*typecode)[3]='S')
81 #define mm_set_general(typecode)((*typecode)[3]='G')
82 #define mm_set_skew(typecode) ((*typecode)[3]='K')
83 #define mm_set_hermitian(typecode)((*typecode)[3]='H')
84
85 #define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \
86 (*typecode)[2]=' ',(*typecode)[3]='G')
87
88 #define mm_initialize_typecode(typecode) mm_clear_typecode(typecode)
89
90
91 /********************* Matrix Market error codes ***************************/
92
93
94 #define MM_COULD_NOT_READ_FILE 11
95 #define MM_PREMATURE_EOF 12
96 #define MM_NOT_MTX 13
97 #define MM_NO_HEADER 14
98 #define MM_UNSUPPORTED_TYPE 15
99 #define MM_LINE_TOO_LONG 16
100 #define MM_COULD_NOT_WRITE_FILE 17
101
102
103 /******************** Matrix Market internal definitions ********************
104
105 MM_matrix_typecode: 4-character sequence
106
107 ojbect sparse/ data storage
108 dense type scheme
109
110 string position: [0] [1] [2] [3]
111
112 Matrix typecode: M(atrix) C(oord) R(eal) G(eneral)
113 A(array) C(omplex) H(ermitian)
114 P(attern) S(ymmetric)
115 I(nteger) K(kew)
116
117 ***********************************************************************/
118
119 #define MM_MTX_STR "matrix"
120 #define MM_ARRAY_STR "array"
121 #define MM_DENSE_STR "array"
122 #define MM_COORDINATE_STR "coordinate"
123 #define MM_SPARSE_STR "coordinate"
124 #define MM_COMPLEX_STR "complex"
125 #define MM_REAL_STR "real"
126 #define MM_INT_STR "integer"
127 #define MM_GENERAL_STR "general"
128 #define MM_SYMM_STR "symmetric"
129 #define MM_HERM_STR "hermitian"
130 #define MM_SKEW_STR "skew-symmetric"
131 #define MM_PATTERN_STR "pattern"
132
133
134 /* high level routines */
135
136 int mm_write_mtx_crd(char fname[], int M, int N, int nz, int i[], int j[],
137 double val[], MM_typecode matcode);
138 int mm_read_mtx_crd_data(FILE *f, int M, int N, int nz, int i[], int j[],
139 double val[], MM_typecode matcode);
140 int mm_read_mtx_crd_entry(FILE *f, int *i, int *j, double *real, double *img,
141 MM_typecode matcode);
142
143 int mm_read_unsymmetric_sparse(const char *fname, int *M_, int *N_, int *nz_,
144 double **val_, int **I_, int **J_);
145
146 #endif
147
148 /*
149 * $Log$
150 * Revision 1.1 2004/10/26 06:53:59 jgs
151 * Initial revision
152 *
153 * Revision 1.1 2004/07/02 00:48:35 gross
154 * matrix market io function added
155 *
156 *
157 */

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