mirror of
https://github.com/NVIDIA/cuda-samples.git
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142 lines
4.3 KiB
C
142 lines
4.3 KiB
C
/*
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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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*/
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#ifndef MM_IO_H
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#define MM_IO_H
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#if defined(__cplusplus)
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extern "C" {
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#endif /* __cplusplus */
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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_read_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_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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#if defined(__cplusplus)
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}
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#endif /* __cplusplus */
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#endif
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