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/* ========================================================================== */
/* === RBio/Demo/RBdemo.c: C demo =========================================== */
/* ========================================================================== */
/* Copyright 2009, Timothy A. Davis, All Rights Reserved.
Refer to RBio/Doc/license.txt for the RBio license. */
/* This program reads a Rutherford/Boeing file from stdin and uses it
to test the RBio C-callable functions. */
#include "RBio.h"
#define Long SuiteSparse_long
#define ID "%ld"
#define SLEN 4096
int main (int argc, char **argv)
{
double xr, xz, xmin, xmax ;
double *Ax, *Az ;
Long nrow, ncol, mkind, skind, *Ap, *Ai, i, *Zp, *Zi, asize, mkind2, skind2,
znz, j, p, status, njumbled, nzeros, build_upper, zero_handling, fem,
xsize, nelnz, nnz ;
char title [73], key [9], mtype [4], mtype2 [4], *filename ;
/* initialize the memory allocation functions */
SuiteSparse_start ( ) ;
/* read from stdin, or from file given by first argument */
filename = (argc > 1) ? argv [1] : NULL ;
title [0] = '\0' ;
build_upper = 1 ;
zero_handling = 2 ; /* extract zeros */
status = RBread (filename, build_upper, zero_handling, title, key, mtype,
&nrow, &ncol, &mkind, &skind, &asize, &znz,
&Ap, &Ai, &Ax, &Az, &Zp, &Zi) ;
printf ("\n===========================================================\n") ;
printf ("title: [%s]\n", title) ;
printf ("status " ID "\n", status) ;
if (status != RBIO_OK)
{
printf ("RBread Error! "ID"\n", status) ;
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
SuiteSparse_free (Az) ;
SuiteSparse_free (Zp) ;
SuiteSparse_free (Zi) ;
if (filename != NULL)
{
status = RBreadraw (filename, title, key, mtype, &nrow, &ncol, &nnz,
&nelnz, &mkind, &skind, &fem, &xsize, &Ap, &Ai, &Ax) ;
if (status != RBIO_OK)
{
printf ("RBreadraw error! status "ID"\n", status) ;
return (1) ;
}
printf ("raw nrow "ID" ncol "ID" nnz "ID" nelnz "ID" xsize "ID"\n",
nrow, ncol, nnz, nelnz, xsize) ;
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
return (0) ;
}
return (1) ;
}
printf ("key [%s] nrow "ID" ncol "ID "\n", key, nrow, ncol) ;
printf ("mkind "ID" skind "ID" asize "ID" znz "ID"\n",
mkind, skind, asize, znz) ;
printf ("mtype from file: [%s]\n", mtype) ;
if (Ap [ncol] < 20)
{
for (j = 0 ; j < ncol ; j++)
{
printf ("\ncolumn "ID":\n", j) ;
for (p = Ap [j] ; p < Ap [j+1] ; p++)
{
i = Ai [p] ;
RBget_entry (mkind, Ax, Az, p, &xr, &xz) ;
printf (" "ID" : %g", i, xr) ;
if (xz != 0) printf (" + (%g)i\n", xz) ;
printf ("\n") ;
}
}
}
status = RBok (nrow, ncol, asize, Ap, Ai, Ax, Az, NULL, mkind,
&njumbled, &nzeros);
printf ("(A) RBok status "ID" "ID" "ID"\n", status, njumbled, nzeros) ;
if (status != RBIO_OK || njumbled != 0 || nzeros != 0)
{
printf ("RBok Error!\n") ;
return (1) ;
}
status = RBok (nrow, ncol, asize, Zp, Zi, NULL, NULL, NULL, 1,
&njumbled, &nzeros) ;
printf ("(Z) RBok status "ID" "ID" "ID"\n", status, njumbled, nzeros) ;
if (status != RBIO_OK || njumbled != 0 || nzeros != 0)
{
printf ("RBok Error (Z)!\n") ;
return (1) ;
}
status = RBwrite ("temp.rb", title, key, nrow, ncol, Ap, Ai, Ax, Az, Zp, Zi,
mkind, mtype2) ;
if (status != RBIO_OK)
{
printf ("RBwrite error!\n") ;
}
status = RBkind (nrow, ncol, Ap, Ai, Ax, Az, mkind, &mkind2, &skind2,
mtype2, &xmin, &xmax, NULL) ;
if (status != RBIO_OK)
{
printf ("RBkind error!\n") ;
return (1) ;
}
printf ("mtype from examining matrix: [%s]\n", mtype2) ;
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
SuiteSparse_free (Az) ;
SuiteSparse_free (Zp) ;
SuiteSparse_free (Zi) ;
zero_handling = 1 ; /* prune zeros */
status = RBread ("temp.rb", build_upper, zero_handling, title, key, mtype,
&nrow, &ncol, &mkind, &skind, &asize, &znz,
&Ap, &Ai, &Ax, NULL, NULL, NULL) ;
if (status != 0)
{
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
printf ("RBread Error! "ID"\n", status) ;
return (1) ;
}
status = RBkind (nrow, ncol, Ap, Ai, Ax, NULL, mkind, &mkind2, &skind2,
mtype2, &xmin, &xmax, NULL) ;
if (status != RBIO_OK)
{
printf ("RBkind error!\n") ;
}
printf ("mtype after reading from file: [%s]\n", mtype2) ;
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
status = RBreadraw ("temp.rb", title, key, mtype, &nrow, &ncol, &nnz,
&nelnz, &mkind, &skind, &fem, &xsize, &Ap, &Ai, &Ax) ;
if (status != RBIO_OK)
{
printf ("RBreadraw error!\n") ;
return (1) ;
}
printf ("raw nrow "ID" ncol "ID" nnz "ID" nelnz "ID" xsize "ID"\n",
nrow, ncol, nnz, nelnz, xsize) ;
if (fem)
{
printf ("FEM matrix\n") ;
}
else
{
status = RBkind (nrow, ncol, Ap, Ai, Ax, NULL, mkind, &mkind2, &skind2,
mtype2, &xmin, &xmax, NULL) ;
if (status != RBIO_OK)
{
printf ("RBkind error!\n") ;
}
printf ("mtype from raw read from file: [%s]\n", mtype2) ;
}
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
/* read in just the pattern */
status = RBread ("temp.rb", build_upper, zero_handling, title, key, mtype,
&nrow, &ncol, &mkind, &skind, &asize, &znz,
&Ap, &Ai, NULL, NULL, NULL, NULL) ;
status = RBok (nrow, ncol, asize, Ap, Ai, Ax, Az, NULL, mkind,
&njumbled, &nzeros);
printf ("(P) RBok status "ID" "ID" "ID"\n", status, njumbled, nzeros) ;
if (status != RBIO_OK || njumbled != 0 || nzeros != 0)
{
printf ("RBok Error!\n") ;
return (1) ;
}
status = RBkind (nrow, ncol, Ap, Ai, NULL, NULL, mkind, &mkind2, &skind2,
mtype2, &xmin, &xmax, NULL) ;
if (status != RBIO_OK)
{
printf ("RBkind error!\n") ;
return (1) ;
}
printf ("mtype of pattern: [%s]\n", mtype2) ;
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
/* read in just the lower triangular part for symmetric case */
build_upper = 0 ;
zero_handling = 0 ; /* ignore zeros */
status = RBread ("temp.rb", build_upper, zero_handling, title, key, mtype,
&nrow, &ncol, &mkind, &skind, &asize, &znz,
&Ap, &Ai, &Ax, NULL, NULL, NULL) ;
if (status != RBIO_OK)
{
printf ("RBread error! "ID"\n", status) ;
return (1) ;
}
status = RBkind (nrow, ncol, Ap, Ai, Ax, NULL, mkind, &mkind2, &skind2,
mtype2, &xmin, &xmax, NULL) ;
if (status != RBIO_OK)
{
printf ("RBkind error!\n") ;
return (1) ;
}
printf ("mtype of tril(A): [%s]\n", mtype2) ;
status = RBok (nrow, ncol, asize, Ap, Ai, Ax, NULL, NULL, mkind,
&njumbled, &nzeros);
printf ("(L) RBok status "ID" "ID" "ID"\n", status, njumbled, nzeros) ;
if (status != RBIO_OK || njumbled != 0)
{
printf ("RBok Error!\n") ;
return (1) ;
}
SuiteSparse_free (Ap) ;
SuiteSparse_free (Ai) ;
SuiteSparse_free (Ax) ;
printf ("RBdemo OK\n") ;
SuiteSparse_finish ( ) ;
return (0) ;
}
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