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    #include "cs.h"
    /* print a sparse matrix; use %g for integers to avoid differences with CS_INT */
    CS_INT cs_print (const cs *A, CS_INT brief)
    {
        CS_INT p, j, m, n, nzmax, nz, *Ap, *Ai ;
        CS_ENTRY *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 ("CXSparse Version %d.%d.%d, %s.  %s\n", CS_VER, CS_SUBVER,
            CS_SUBSUB, CS_DATE, CS_COPYRIGHT) ;
        if (nz < 0)
        {
            printf ("%g-by-%g, nzmax: %g nnz: %g, 1-norm: %g\n", (double) m,
                (double) n, (double) nzmax, (double) (Ap [n]), cs_norm (A)) ;
            for (j = 0 ; j < n ; j++)
            {
                printf ("    col %g : locations %g to %g\n", (double) j, 
                    (double) (Ap [j]), (double) (Ap [j+1]-1)) ;
                for (p = Ap [j] ; p < Ap [j+1] ; p++)
                {
                    printf ("      %g : ", (double) (Ai [p])) ;
    #ifdef CS_COMPLEX
                    printf ("(%g, %g)\n",
                        Ax ? CS_REAL (Ax [p]) : 1, Ax ? CS_IMAG (Ax [p]) : 0) ;
    #else
                    printf ("%g\n", Ax ? Ax [p] : 1) ;
    #endif
                    if (brief && p > 20) { printf ("  ...\n") ; return (1) ; }
                }
            }
        }
        else
        {
            printf ("triplet: %g-by-%g, nzmax: %g nnz: %g\n", (double) m,
                (double) n, (double) nzmax, (double) nz) ;
            for (p = 0 ; p < nz ; p++)
            {
    
                printf ("    %g %g : ", (double) (Ai [p]), (double) (Ap [p])) ;
    #ifdef CS_COMPLEX
                printf ("(%g, %g)\n",
                    Ax ? CS_REAL (Ax [p]) : 1, Ax ? CS_IMAG (Ax [p]) : 0) ;
    #else
                printf ("%g\n", Ax ? Ax [p] : 1) ;
    #endif
                if (brief && p > 20) { printf ("  ...\n") ; return (1) ; }
            }
        }
        return (1) ;
    }