* Lewis and Michael Wester. */
/*
- * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ * GiNaC Copyright (C) 1999-2022 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 "times.h"
+#include "ginac.h"
+#include "timer.h"
+using namespace GiNaC;
-static unsigned test(void)
+#include <iostream>
+#include <vector>
+using namespace std;
+
+static unsigned test()
{
symbol x("x");
symbol y("y");
symbol z("z");
-
+
ex p = expand(pow(7*y*pow(x*z,2)-3*x*y*z+11*(x+1)*pow(y,2)+5*z+1,4)
- *pow(3*x-7*y+2*z-3,5));
+ *pow(3*x-7*y+2*z-3,5));
ex q = expand(pow(7*y*pow(x*z,2)-3*x*y*z+11*(x+1)*pow(y,2)+5*z+1,3)
- *pow(3*x-7*y+2*z+3,6));
+ *pow(3*x-7*y+2*z+3,6));
ex result = gcd(p,q);
if (result.expand()!=expand(pow(7*y*pow(x*z,2)-3*x*y*z+11*(x+1)*pow(y,2)+5*z+1,3))) {
clog << "gcd(expand((7*y*x^2*z^2-3*x*y*z+11*(x+1)*y^2+5*z+1)^4*(3*x-7*y+2*z-3)^5),expand((7*y*x^2*z^2-3*x*y*z+11*(x+1)*y^2+5*z+1)^3*(3*x-7*y+2*z+3)^6)) erroneously returned " << result << endl;
return 0;
}
-unsigned time_lw_G(void)
+unsigned time_lw_G()
{
unsigned result = 0;
unsigned count = 0;
double time = .0;
cout << "timing Lewis-Wester test G (gcd of 3-var polys)" << flush;
- clog << "-------Lewis-Wester test G (gcd of 3-var polys)" << endl;
rolex.start();
// correct for very small times:
++count;
} while ((time=rolex.read())<0.1 && !result);
cout << '.' << flush;
-
- if (!result) {
- cout << " passed ";
- clog << "(no output)" << endl;
- } else {
- cout << " failed ";
- }
- cout << int(1000*(time/count))*0.001 << 's' << endl;
+ cout << time/count << 's' << endl;
return result;
}
+
+extern void randomify_symbol_serials();
+
+int main(int argc, char** argv)
+{
+ randomify_symbol_serials();
+ cout << setprecision(2) << showpoint;
+ return time_lw_G();
+}