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/* |
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* Matrix Market I/O library for ANSI C |
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* |
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* See http://math.nist.gov/MatrixMarket for details. |
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*/ |
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|
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#ifndef MM_IO_H |
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#define MM_IO_H |
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#define MM_MAX_LINE_LENGTH 1025 |
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#define MatrixMarketBanner "%%MatrixMarket" |
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#define MM_MAX_TOKEN_LENGTH 64 |
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typedef char MM_typecode[4]; |
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char *mm_typecode_to_str(MM_typecode matcode); |
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int mm_read_banner(FILE *f, MM_typecode *matcode); |
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int mm_read_mtx_crd_size(FILE *f, int *M, int *N, int *nz); |
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int mm_read_mtx_array_size(FILE *f, int *M, int *N); |
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int mm_write_banner(FILE *f, MM_typecode matcode); |
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int mm_write_mtx_crd_size(FILE *f, int M, int N, int nz); |
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int mm_write_mtx_array_size(FILE *f, int M, int N); |
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/********************* MM_typecode query fucntions ***************************/ |
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#define mm_is_matrix(typecode) ((typecode)[0]=='M') |
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#define mm_is_sparse(typecode) ((typecode)[1]=='C') |
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#define mm_is_coordinate(typecode)((typecode)[1]=='C') |
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#define mm_is_dense(typecode) ((typecode)[1]=='A') |
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#define mm_is_array(typecode) ((typecode)[1]=='A') |
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#define mm_is_complex(typecode) ((typecode)[2]=='C') |
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#define mm_is_real(typecode) ((typecode)[2]=='R') |
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#define mm_is_pattern(typecode) ((typecode)[2]=='P') |
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#define mm_is_integer(typecode) ((typecode)[2]=='I') |
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#define mm_is_symmetric(typecode)((typecode)[3]=='S') |
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#define mm_is_general(typecode) ((typecode)[3]=='G') |
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#define mm_is_skew(typecode) ((typecode)[3]=='K') |
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#define mm_is_hermitian(typecode)((typecode)[3]=='H') |
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int mm_is_valid(MM_typecode matcode); /* too complex for a macro */ |
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/********************* MM_typecode modify fucntions ***************************/ |
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#define mm_set_matrix(typecode) ((*typecode)[0]='M') |
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#define mm_set_coordinate(typecode) ((*typecode)[1]='C') |
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#define mm_set_array(typecode) ((*typecode)[1]='A') |
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#define mm_set_dense(typecode) mm_set_array(typecode) |
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#define mm_set_sparse(typecode) mm_set_coordinate(typecode) |
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#define mm_set_complex(typecode)((*typecode)[2]='C') |
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#define mm_set_real(typecode) ((*typecode)[2]='R') |
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#define mm_set_pattern(typecode)((*typecode)[2]='P') |
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#define mm_set_integer(typecode)((*typecode)[2]='I') |
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#define mm_set_symmetric(typecode)((*typecode)[3]='S') |
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#define mm_set_general(typecode)((*typecode)[3]='G') |
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#define mm_set_skew(typecode) ((*typecode)[3]='K') |
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#define mm_set_hermitian(typecode)((*typecode)[3]='H') |
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#define mm_clear_typecode(typecode) ((*typecode)[0]=(*typecode)[1]= \ |
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(*typecode)[2]=' ',(*typecode)[3]='G') |
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#define mm_initialize_typecode(typecode) mm_clear_typecode(typecode) |
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/********************* Matrix Market error codes ***************************/ |
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#define MM_COULD_NOT_READ_FILE 11 |
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#define MM_PREMATURE_EOF 12 |
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#define MM_NOT_MTX 13 |
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#define MM_NO_HEADER 14 |
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#define MM_UNSUPPORTED_TYPE 15 |
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#define MM_LINE_TOO_LONG 16 |
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#define MM_COULD_NOT_WRITE_FILE 17 |
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/******************** Matrix Market internal definitions ******************** |
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MM_matrix_typecode: 4-character sequence |
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ojbect sparse/ data storage |
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dense type scheme |
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string position: [0] [1] [2] [3] |
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Matrix typecode: M(atrix) C(oord) R(eal) G(eneral) |
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A(array) C(omplex) H(ermitian) |
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P(attern) S(ymmetric) |
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I(nteger) K(kew) |
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***********************************************************************/ |
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#define MM_MTX_STR "matrix" |
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#define MM_ARRAY_STR "array" |
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#define MM_DENSE_STR "array" |
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#define MM_COORDINATE_STR "coordinate" |
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#define MM_SPARSE_STR "coordinate" |
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#define MM_COMPLEX_STR "complex" |
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#define MM_REAL_STR "real" |
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#define MM_INT_STR "integer" |
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#define MM_GENERAL_STR "general" |
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#define MM_SYMM_STR "symmetric" |
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#define MM_HERM_STR "hermitian" |
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#define MM_SKEW_STR "skew-symmetric" |
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#define MM_PATTERN_STR "pattern" |
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/* high level routines */ |
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int mm_write_mtx_crd(char fname[], int M, int N, int nz, int I[], int J[], |
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double val[], MM_typecode matcode); |
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int mm_read_mtx_crd_data(FILE *f, int M, int N, int nz, int I[], int J[], |
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double val[], MM_typecode matcode); |
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int mm_read_mtx_crd_entry(FILE *f, int *I, int *J, double *real, double *img, |
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MM_typecode matcode); |
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int mm_read_unsymmetric_sparse(const char *fname, int *M_, int *N_, int *nz_, |
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double **val_, int **I_, int **J_); |
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#endif |
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