1 /* 2 * Matrix Market I/O library for ANSI C 3 * 4 * See http://math.nist.gov/MatrixMarket for details. 5 * 6 * 7 */ 8 9 #ifndef MM_IO_H 10 #define MM_IO_H 11 12 #define MM_MAX_LINE_LENGTH 1025 13 #define MatrixMarketBanner "%%MatrixMarket" 14 #define MM_MAX_TOKEN_LENGTH 64 15 16 typedef char MM_typecode[4]; 17 18 int mm_read_banner(FILE *f, MM_typecode *matcode); 19 int mm_read_mtx_crd_size(FILE *f, long *M, long *N, long *nz); 20 21 /********************* MM_typecode query fucntions ***************************/ 22 23 #define mm_is_matrix(typecode) ((typecode)[0]=='M') 24 25 #define mm_is_sparse(typecode) ((typecode)[1]=='C') 26 #define mm_is_coordinate(typecode)((typecode)[1]=='C') 27 #define mm_is_dense(typecode) ((typecode)[1]=='A') 28 #define mm_is_array(typecode) ((typecode)[1]=='A') 29 30 #define mm_is_complex(typecode) ((typecode)[2]=='C') 31 #define mm_is_real(typecode) ((typecode)[2]=='R') 32 #define mm_is_pattern(typecode) ((typecode)[2]=='P') 33 #define mm_is_integer(typecode) ((typecode)[2]=='I') 34 35 #define mm_is_symmetric(typecode)((typecode)[3]=='S') 36 #define mm_is_general(typecode) ((typecode)[3]=='G') 37 #define mm_is_skew(typecode) ((typecode)[3]=='K') 38 #define mm_is_hermitian(typecode)((typecode)[3]=='H') 39 40 /********************* MM_typecode modify fucntions ***************************/ 41 42 #define mm_set_matrix(typecode) ((*typecode)[0]='M') 43 #define mm_set_coordinate(typecode) ((*typecode)[1]='C') 44 #define mm_set_array(typecode) ((*typecode)[1]='A') 45 #define mm_set_dense(typecode) mm_set_array(typecode) 46 #define mm_set_sparse(typecode) mm_set_coordinate(typecode) 47 48 #define mm_set_complex(typecode)((*typecode)[2]='C') 49 #define mm_set_real(typecode) ((*typecode)[2]='R') 50 #define mm_set_pattern(typecode)((*typecode)[2]='P') 51 #define mm_set_integer(typecode)((*typecode)[2]='I') 52 53 54 #define mm_set_symmetric(typecode)((*typecode)[3]='S') 55 #define mm_set_general(typecode)((*typecode)[3]='G') 56 #define mm_set_skew(typecode) ((*typecode)[3]='K') 57 #define mm_set_hermitian(typecode)((*typecode)[3]='H') 58 59 #define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \ 60 (*typecode)[2]=' ',(*typecode)[3]='G') 61 62 #define mm_initialize_typecode(typecode) mm_clear_typecode(typecode) 63 64 65 /********************* Matrix Market error codes ***************************/ 66 67 68 #define MM_COULD_NOT_READ_FILE 11 69 #define MM_PREMATURE_EOF 12 70 #define MM_NOT_MTX 13 71 #define MM_NO_HEADER 14 72 #define MM_UNSUPPORTED_TYPE 15 73 #define MM_LINE_TOO_LONG 16 74 #define MM_COULD_NOT_WRITE_FILE 17 75 76 77 /******************** Matrix Market internal definitions ******************** 78 79 MM_matrix_typecode: 4-character sequence 80 81 ojbect sparse/ data storage 82 dense type scheme 83 84 string position: [0] [1] [2] [3] 85 86 Matrix typecode: M(atrix) C(oord) R(eal) G(eneral) 87 A(array) C(omplex) H(ermitian) 88 P(attern) S(ymmetric) 89 I(nteger) K(kew) 90 91 ***********************************************************************/ 92 93 #define MM_MTX_STR "matrix" 94 #define MM_ARRAY_STR "array" 95 #define MM_DENSE_STR "array" 96 #define MM_COORDINATE_STR "coordinate" 97 #define MM_SPARSE_STR "coordinate" 98 #define MM_COMPLEX_STR "complex" 99 #define MM_REAL_STR "real" 100 #define MM_INT_STR "integer" 101 #define MM_GENERAL_STR "general" 102 #define MM_SYMM_STR "symmetric" 103 #define MM_HERM_STR "hermitian" 104 #define MM_SKEW_STR "skew-symmetric" 105 #define MM_PATTERN_STR "pattern" 106 107 108 /* high level routines */ 109 110 int mm_read_mtx_crd_data(FILE *f, long M, long N, long nz, long I[], long J[], 111 double val[], MM_typecode matcode); 112 113 114 #endif 115