G_numeric: put convergence/acceleration transofrmations into helper functions.

[ginac.git] / check / time_lw_Qprime.cpp

diff --git a/check/time_lw_Qprime.cpp b/check/time_lw_Qprime.cpp
index 3ec2e8bfbaf61d2e3eb84f29144cd738f061ed1a..b20b7b1fbd22498a0ccf642b65a14f9915606d32 100644 (file)
--- a/check/time_lw_Qprime.cpp
+++ b/check/time_lw_Qprime.cpp
@@ -4,7 +4,7 @@
  *  Lewis and Michael Wester. */
 
 /*
- *  GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany
+ *  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
@@ -18,12 +18,19 @@
  *
  *  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 <iostream>
+#include <vector>
+#include "ginac.h"
+#include "timer.h"
+using namespace std;
+using namespace GiNaC;
 
-static unsigned test(void)
+static const bool do_test = true;  // set to true in order to run this beast
+
+static unsigned test()
 {
        // same matrix as in test P':
        const unsigned n = 10;
@@ -64,7 +71,7 @@ static unsigned test(void)
        return 0;
 }
 
-unsigned time_lw_Qprime(void)
+unsigned time_lw_Qprime()
 {
        unsigned result = 0;
        unsigned count = 0;
@@ -72,23 +79,28 @@ unsigned time_lw_Qprime(void)
        double time = .0;
        
        cout << "timing Lewis-Wester test Q' (charpoly(P'))" << flush;
-       clog << "-------Lewis-Wester test Q' (charpoly(P'))" << endl;
-       
-       rolex.start();
-       // correct for very small times:
-       do {
-               result = test();
-               ++count;
-       } while ((time=rolex.read())<0.1 && !result);
-       cout << '.' << flush;
        
-       if (!result) {
-               cout << " passed ";
-               clog << "(no output)" << endl;
+       if (do_test) {
+               rolex.start();
+               // correct for very small times:
+               do {
+                       result = test();
+                       ++count;
+               } while ((time=rolex.read())<0.1 && !result);
+               cout << '.' << flush;
+               cout << time/count << 's' << endl;
        } else {
-               cout << " failed ";
+               cout << " disabled" << endl;
        }
-       cout << int(1000*(time/count))*0.001 << '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_Qprime();
+}