/** @file check_lsolve.cpp
*
* These test routines do some simple checks on solving linear systems of
- * symbolic equations. */
+ * symbolic equations. They are a well-tried resource for cross-checking
+ * the underlying symbolic manipulations. */
/*
- * GiNaC Copyright (C) 1999-2002 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2009 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
*
* 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
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
-#include "checks.h"
+#include "ginac.h"
+using namespace GiNaC;
+
+#include <cstdlib> // for rand()
+#include <iostream>
#include <sstream>
+using namespace std;
+
+extern const ex
+dense_univariate_poly(const symbol & x, unsigned degree);
static unsigned check_matrix_solve(unsigned m, unsigned n, unsigned p,
unsigned degree)
{
unsigned result = 0;
- for (int repetition=0; repetition<100; ++repetition) {
+ for (int repetition=0; repetition<200; ++repetition) {
// create two size n vectors of symbols, one for the coefficients
// a[0],..,a[n], one for indeterminates x[0]..x[n]:
vector<symbol> a;
return result;
}
-unsigned check_lsolve(void)
+unsigned check_lsolve()
{
unsigned result = 0;
cout << "checking linear solve" << flush;
- clog << "---------linear solve:" << endl;
// solve some numeric linear systems
- for (unsigned n=1; n<12; ++n)
+ for (unsigned n=1; n<14; ++n)
result += check_matrix_solve(n, n, 1, 0);
cout << '.' << flush;
// solve some underdetermined numeric systems
- for (unsigned n=1; n<12; ++n)
+ for (unsigned n=1; n<14; ++n)
result += check_matrix_solve(n+1, n, 1, 0);
cout << '.' << flush;
// solve some overdetermined numeric systems
- for (unsigned n=1; n<12; ++n)
+ for (unsigned n=1; n<14; ++n)
result += check_matrix_solve(n, n+1, 1, 0);
cout << '.' << flush;
// solve some multiple numeric systems
- for (unsigned n=1; n<12; ++n)
+ for (unsigned n=1; n<14; ++n)
result += check_matrix_solve(n, n, n/3+1, 0);
cout << '.' << flush;
// solve some symbolic linear systems
- for (unsigned n=1; n<7; ++n)
+ for (unsigned n=1; n<8; ++n)
result += check_matrix_solve(n, n, 1, 2);
cout << '.' << flush;
result += check_inifcns_lsolve(5); cout << '.' << flush;
result += check_inifcns_lsolve(6); cout << '.' << flush;
- if (!result) {
- cout << " passed " << endl;
- clog << "(no output)" << endl;
- } else {
- cout << " failed " << endl;
- }
-
return result;
}
+
+int main(int argc, char** argv)
+{
+ return check_lsolve();
+}