/[escript]/trunk/tools/mmio/inc/mmio.h
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Contents of /trunk/tools/mmio/inc/mmio.h

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Revision 155 - (show annotations)
Wed Nov 9 02:02:19 2005 UTC (17 years, 4 months ago) by jgs
File MIME type: text/plain
File size: 4447 byte(s)
move all directories from trunk/esys2 into trunk and remove esys2

1 /* $Id$ */
2
3 /*
4 * Matrix Market I/O library for ANSI C
5 *
6 * See http://math.nist.gov/MatrixMarket for details.
7 *
8 */
9
10 #ifndef MM_IO_H
11 #define MM_IO_H
12
13 #ifdef __cplusplus
14 extern "C" {
15 #endif
16
17 #define MM_MAX_LINE_LENGTH 1025
18 #define MatrixMarketBanner "%%MatrixMarket"
19 #define MM_MAX_TOKEN_LENGTH 64
20
21 typedef char MM_typecode[4];
22
23 char *mm_typecode_to_str(MM_typecode matcode);
24
25 int mm_read_banner(FILE *f, MM_typecode *matcode);
26 int mm_read_mtx_crd_size(FILE *f, int *M, int *N, int *nz);
27 int mm_read_mtx_array_size(FILE *f, int *M, int *N);
28
29 int mm_write_banner(FILE *f, MM_typecode matcode);
30 int mm_write_mtx_crd_size(FILE *f, int M, int N, int nz);
31 int mm_write_mtx_array_size(FILE *f, int M, int N);
32
33
34 /********************* MM_typecode query fucntions ***************************/
35
36 #define mm_is_matrix(typecode) ((typecode)[0]=='M')
37
38 #define mm_is_sparse(typecode) ((typecode)[1]=='C')
39 #define mm_is_coordinate(typecode)((typecode)[1]=='C')
40 #define mm_is_dense(typecode) ((typecode)[1]=='A')
41 #define mm_is_array(typecode) ((typecode)[1]=='A')
42
43 #define mm_is_complex(typecode) ((typecode)[2]=='C')
44 #define mm_is_real(typecode) ((typecode)[2]=='R')
45 #define mm_is_pattern(typecode) ((typecode)[2]=='P')
46 #define mm_is_integer(typecode) ((typecode)[2]=='I')
47
48 #define mm_is_symmetric(typecode)((typecode)[3]=='S')
49 #define mm_is_general(typecode) ((typecode)[3]=='G')
50 #define mm_is_skew(typecode) ((typecode)[3]=='K')
51 #define mm_is_hermitian(typecode)((typecode)[3]=='H')
52
53 int mm_is_valid(MM_typecode matcode); /* too complex for a macro */
54
55
56 /********************* MM_typecode modify fucntions ***************************/
57
58 #define mm_set_matrix(typecode) ((*typecode)[0]='M')
59 #define mm_set_coordinate(typecode) ((*typecode)[1]='C')
60 #define mm_set_array(typecode) ((*typecode)[1]='A')
61 #define mm_set_dense(typecode) mm_set_array(typecode)
62 #define mm_set_sparse(typecode) mm_set_coordinate(typecode)
63
64 #define mm_set_complex(typecode)((*typecode)[2]='C')
65 #define mm_set_real(typecode) ((*typecode)[2]='R')
66 #define mm_set_pattern(typecode)((*typecode)[2]='P')
67 #define mm_set_integer(typecode)((*typecode)[2]='I')
68
69
70 #define mm_set_symmetric(typecode)((*typecode)[3]='S')
71 #define mm_set_general(typecode)((*typecode)[3]='G')
72 #define mm_set_skew(typecode) ((*typecode)[3]='K')
73 #define mm_set_hermitian(typecode)((*typecode)[3]='H')
74
75 #define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \
76 (*typecode)[2]=' ',(*typecode)[3]='G')
77
78 #define mm_initialize_typecode(typecode) mm_clear_typecode(typecode)
79
80
81 /********************* Matrix Market error codes ***************************/
82
83
84 #define MM_COULD_NOT_READ_FILE 11
85 #define MM_PREMATURE_EOF 12
86 #define MM_NOT_MTX 13
87 #define MM_NO_HEADER 14
88 #define MM_UNSUPPORTED_TYPE 15
89 #define MM_LINE_TOO_LONG 16
90 #define MM_COULD_NOT_WRITE_FILE 17
91
92
93 /******************** Matrix Market internal definitions ********************
94
95 MM_matrix_typecode: 4-character sequence
96
97 ojbect sparse/ data storage
98 dense type scheme
99
100 string position: [0] [1] [2] [3]
101
102 Matrix typecode: M(atrix) C(oord) R(eal) G(eneral)
103 A(array) C(omplex) H(ermitian)
104 P(attern) S(ymmetric)
105 I(nteger) K(kew)
106
107 ***********************************************************************/
108
109 #define MM_MTX_STR "matrix"
110 #define MM_ARRAY_STR "array"
111 #define MM_DENSE_STR "array"
112 #define MM_COORDINATE_STR "coordinate"
113 #define MM_SPARSE_STR "coordinate"
114 #define MM_COMPLEX_STR "complex"
115 #define MM_REAL_STR "real"
116 #define MM_INT_STR "integer"
117 #define MM_GENERAL_STR "general"
118 #define MM_SYMM_STR "symmetric"
119 #define MM_HERM_STR "hermitian"
120 #define MM_SKEW_STR "skew-symmetric"
121 #define MM_PATTERN_STR "pattern"
122
123
124 /* high level routines */
125
126 int mm_write_mtx_crd(char fname[], int M, int N, int nz, int I[], int J[],
127 double val[], MM_typecode matcode);
128 int mm_read_mtx_crd_data(FILE *f, int M, int N, int nz, int I[], int J[],
129 double val[], MM_typecode matcode);
130 int mm_read_mtx_crd_entry(FILE *f, int *I, int *J, double *real, double *img,
131 MM_typecode matcode);
132
133 int mm_read_unsymmetric_sparse(const char *fname, int *M_, int *N_, int *nz_,
134 double **val_, int **I_, int **J_);
135
136 #ifdef __cplusplus
137 }
138 #endif
139
140 #endif
141
142 /*
143 * $Log$
144 * Revision 1.1 2004/10/26 06:53:59 jgs
145 * Initial revision
146 *
147 * Revision 1.1 2004/07/02 00:48:35 gross
148 * matrix market io function added
149 *
150 *
151 */

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