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