/** @file check_lsolve.cpp
*
* These test routines do some simple checks on solving linear systems of
* symbolic equations. They are a well-tried resource for cross-checking
* the underlying symbolic manipulations. */
/*
* GiNaC Copyright (C) 1999-2008 Johannes Gutenberg University Mainz, Germany
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include
#include
#include // rand()
#include "ginac.h"
using namespace std;
using namespace GiNaC;
extern const ex
dense_univariate_poly(const symbol & x, unsigned degree);
static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
unsigned degree)
{
const symbol a("a");
matrix A(m,n);
matrix B(m,p);
// set the first min(m,n) rows of A and B
for (unsigned ro=0; (ro x;
matrix X(n,p);
for (unsigned i=0; i a;
vector x;
for (unsigned i=0; i