/** @file lsolve_onedim.cpp
*
* This test routine does some simple checks on solving a polynomial for a
* variable. */
/*
* GiNaC Copyright (C) 1999 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include
using namespace GiNaC;
unsigned lsolve_onedim(void)
{
unsigned result = 0;
symbol x("x");
ex eq, aux;
cout << "checking linear solve..." << flush;
clog << "---------linear solve:" << endl;
eq = (3*x+5 == numeric(8));
aux = lsolve(eq,x);
if (aux != 1) {
result++;
clog << "solution of 3*x+5==8 erroneously returned "
<< aux << endl;
}
if (! result) {
cout << " passed ";
clog << "(no output)" << endl;
} else {
cout << " failed ";
}
return result;
}