cs_print.c

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#include "cs.h"
/* print a sparse matrix */
int cs_print (const cs *A, int brief)
{
    int p, j, m, n, nzmax, nz, *Ap, *Ai ;
    double *Ax ;
    if (!A) { printf ("(null)\n") ; return (0) ; }
    m = A->m ; n = A->n ; Ap = A->p ; Ai = A->i ; Ax = A->x ;
    nzmax = A->nzmax ; nz = A->nz ;
    printf ("CSparse Version %d.%d.%d, %s.  %s\n", CS_VER, CS_SUBVER,
        CS_SUBSUB, CS_DATE, CS_COPYRIGHT) ;
    if (nz < 0)
    {
        printf ("%d-by-%d, nzmax: %d nnz: %d, 1-norm: %g\n", m, n, nzmax,
                Ap [n], cs_norm (A)) ;
        for (j = 0 ; j < n ; j++)
        {
            printf ("    col %d : locations %d to %d\n", j, Ap [j], Ap [j+1]-1);
            for (p = Ap [j] ; p < Ap [j+1] ; p++)
            {
                printf ("      %d : %g\n", Ai [p], Ax ? Ax [p] : 1) ;
                if (brief && p > 20) { printf ("  ...\n") ; return (1) ; }
            }
        }
    }
    else
    {
        printf ("triplet: %d-by-%d, nzmax: %d nnz: %d\n", m, n, nzmax, nz) ;
        for (p = 0 ; p < nz ; p++)
        {
            printf ("    %d %d : %g\n", Ai [p], Ap [p], Ax ? Ax [p] : 1) ;
            if (brief && p > 20) { printf ("  ...\n") ; return (1) ; }
        }
    }
    return (1) ;
}