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/* ========================================================================== */
/* === UMFPACK_report_matrix ================================================ */
/* ========================================================================== */
/* -------------------------------------------------------------------------- */
/* UMFPACK Version 4.1 (Apr. 30, 2003), Copyright (c) 2003 by Timothy A. */
/* Davis. All Rights Reserved. See ../README for License. */
/* email: davis@cise.ufl.edu CISE Department, Univ. of Florida. */
/* web: http://www.cise.ufl.edu/research/sparse/umfpack */
/* -------------------------------------------------------------------------- */
/*
User-callable. Prints a column or row-oriented matrix. See
umfpack_report_matrix.h for details.
*/
#include "umf_internal.h"
#include "umf_malloc.h"
#include "umf_free.h"
GLOBAL Int UMFPACK_report_matrix
(
Int n_row,
Int n_col,
const Int Ap [ ],
const Int Ai [ ],
const double Ax [ ],
#ifdef COMPLEX
const double Az [ ],
#endif
Int col_form, /* 1: column form, 0: row form */
const double Control [UMFPACK_CONTROL]
)
{
Int prl, i, k, length, ilast, p, nz, prl1, p1, p2, n, n_i, do_values ;
char *vector, *index ;
Entry a ;
/* ---------------------------------------------------------------------- */
/* determine the form, and check if inputs exist */
/* ---------------------------------------------------------------------- */
prl = GET_CONTROL (UMFPACK_PRL, UMFPACK_DEFAULT_PRL) ;
if (prl <= 2)
{
return (UMFPACK_OK) ;
}
if (col_form)
{
vector = "column" ; /* column vectors */
index = "row" ; /* with row indices */
n = n_col ;
n_i = n_row ;
}
else
{
vector = "row" ; /* row vectors */
index = "column" ; /* with column indices */
n = n_row ;
n_i = n_col ;
}
PRINTF (("%s-form matrix, n_row "ID" n_col "ID", ", vector, n_row, n_col)) ;
if (n_row <= 0 || n_col <= 0)
{
PRINTF (("ERROR: n_row <= 0 or n_col <= 0\n\n")) ;
return (UMFPACK_ERROR_n_nonpositive) ;
}
if (!Ap)
{
PRINTF (("ERROR: Ap missing\n\n")) ;
return (UMFPACK_ERROR_argument_missing) ;
}
nz = Ap [n] ;
PRINTF (("nz = "ID". ", nz)) ;
if (nz < 0)
{
PRINTF (("ERROR: number of entries < 0\n\n")) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
if (Ap [0] != 0)
{
PRINTF (("ERROR: Ap ["ID"] = "ID" must be "ID"\n\n",
(Int) INDEX (0), INDEX (Ap [0]), (Int) INDEX (0))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
if (!Ai)
{
PRINTF (("ERROR: Ai missing\n\n")) ;
return (UMFPACK_ERROR_argument_missing) ;
}
#ifdef COMPLEX
do_values = Ax && Az ;
#else
do_values = Ax != (double *) NULL ;
#endif
PRINTF4 (("\n")) ;
/* ---------------------------------------------------------------------- */
/* check the row/column pointers, Ap */
/* ---------------------------------------------------------------------- */
for (k = 0 ; k < n ; k++)
{
if (Ap [k] < 0)
{
PRINTF (("ERROR: Ap ["ID"] < 0\n\n", INDEX (k))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
if (Ap [k] > nz)
{
PRINTF (("ERROR: Ap ["ID"] > size of Ai\n\n", INDEX (k))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
}
for (k = 0 ; k < n ; k++)
{
length = Ap [k+1] - Ap [k] ;
if (length < 0)
{
PRINTF (("ERROR: # entries in %s "ID" is < 0\n\n",
vector, INDEX (k))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
}
/* ---------------------------------------------------------------------- */
/* print each vector */
/* ---------------------------------------------------------------------- */
prl1 = prl ;
for (k = 0 ; k < n ; k++)
{
/* if prl is 4, print the first 10 entries of the first 10 vectors */
if (k < 10)
{
prl = prl1 ;
}
/* get the vector pointers */
p1 = Ap [k] ;
p2 = Ap [k+1] ;
length = p2 - p1 ;
PRINTF4 (("\n %s "ID": start: "ID" end: "ID" entries: "ID"\n",
vector, INDEX (k), p1, p2-1, length)) ;
ilast = EMPTY ;
for (p = p1 ; p < p2 ; p++)
{
i = Ai [p] ;
PRINTF4 (("\t%s "ID" ", index, INDEX (i))) ;
if (do_values && prl >= 4)
{
PRINTF ((":")) ;
ASSIGN (a, Ax [p], Az [p]) ;
PRINT_ENTRY (a) ;
}
if (i < 0 || i >= n_i)
{
PRINTF ((" ERROR: %s index "ID" out of range in %s "ID"\n\n",
index, INDEX (i), vector, INDEX (k))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
if (i <= ilast)
{
PRINTF ((" ERROR: %s index "ID" out of order (or duplicate) in "
"%s "ID"\n\n", index, INDEX (i), vector, INDEX (k))) ;
return (UMFPACK_ERROR_invalid_matrix) ;
}
PRINTF4 (("\n")) ;
/* truncate printout, but continue to check matrix */
if (prl == 4 && (p - p1) == 9 && length > 10)
{
PRINTF4 (("\t...\n")) ;
prl-- ;
}
ilast = i ;
}
/* truncate printout, but continue to check matrix */
if (prl == 4 && k == 9 && n > 10)
{
PRINTF4 (("\n ...\n")) ;
prl-- ;
}
}
prl = prl1 ;
/* ---------------------------------------------------------------------- */
/* return the status of the matrix */
/* ---------------------------------------------------------------------- */
PRINTF4 ((" %s-form matrix ", vector)) ;
PRINTF (("OK\n\n")) ;
return (UMFPACK_OK) ;
}
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