/**
 *
 * @file z_spm.h
 *
 *  PaStiX sparse matrix routines to handle different format of sparse matrices.
 *  $COPYRIGHTS$
 *
 * @version 5.1.0
 * @author Xavier Lacoste
 * @author Theophile Terraz
 * @author Pierre Ramet
 * @author Mathieu Faverge
 * @date 2013-06-24
 *
 * @precisions normal z -> c d s p
 *
 **/
#ifndef _z_spm_H_
#define _z_spm_H_

/**
 * Integer routines
 */
void z_spmIntSortAsc(void ** const pbase, const pastix_int_t n);

/**
 * Conversion routines
 */
int z_spmConvertCSC2CSR( pastix_spm_t *spm );
int z_spmConvertCSC2IJV( pastix_spm_t *spm );
int z_spmConvertCSR2CSC( pastix_spm_t *spm );
int z_spmConvertCSR2IJV( pastix_spm_t *spm );
int z_spmConvertIJV2CSC( pastix_spm_t *spm );
int z_spmConvertIJV2CSR( pastix_spm_t *spm );

void z_spmConvertColMaj2RowMaj(pastix_spm_t *spm);
void z_spmConvertRowMaj2ColMaj(pastix_spm_t *spm);

pastix_complex64_t *z_spm2dense( const pastix_spm_t *spm );

/**
 * Matrix-Vector product routines
 */
int z_spmGeCSCv(const pastix_trans_t trans, pastix_complex64_t alpha, const pastix_spm_t *csc, const pastix_complex64_t *x, pastix_complex64_t beta, pastix_complex64_t *y);
int z_spmSyCSCv(                            pastix_complex64_t alpha, const pastix_spm_t *csc, const pastix_complex64_t *x, pastix_complex64_t beta, pastix_complex64_t *y);
int z_spmHeCSCv(                            pastix_complex64_t alpha, const pastix_spm_t *csc, const pastix_complex64_t *x, pastix_complex64_t beta, pastix_complex64_t *y);

int z_spmCSCMatVec(const pastix_trans_t trans, const void *alpha, const pastix_spm_t *csc, const void *x, const void *beta, void *y);

/**
 * Extra routines
 */
double       z_spmNorm( int ntype, const pastix_spm_t *csc );
void         z_spmSort( pastix_spm_t *csc );
pastix_int_t z_spmMergeDuplicate( pastix_spm_t *csc );
pastix_int_t z_spmSymmetrize( pastix_spm_t *csc );

int z_spmGenRHS(int type, int nrhs, const pastix_spm_t *spm, void *x, int ldx, void *b, int ldb );
int z_spmCheckAxb( int nrhs, const pastix_spm_t *spm, void *x0, int ldx0, void *b, int ldb, const void *x, int ldx );

/**
 * Output routines
 */
void z_spmDensePrint( FILE *f, pastix_int_t m, pastix_int_t n, pastix_complex64_t *A, pastix_int_t lda );
void z_spmPrint( FILE *f, const pastix_spm_t *spm );

pastix_spm_t *z_spmExpand(const pastix_spm_t *spm);
void          z_spmDofExtend(pastix_spm_t *spm);
void          z_spmScal( const pastix_complex64_t alpha, pastix_spm_t *spm );


#endif /* _z_spm_H_ */