X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Ftime_lw_Q.cpp;h=b42f5a2446883b393449de386aa679fdc1ac38e3;hp=2ddaf44f2ae1d69b973bdc1a528d33441ad5d66d;hb=38f3143eee71d942f40ab47f5a561dc9736203fc;hpb=af922d5eb36ed70e4a9e3ffaf4c24492cf89a1a6 diff --git a/check/time_lw_Q.cpp b/check/time_lw_Q.cpp index 2ddaf44f..b42f5a24 100644 --- a/check/time_lw_Q.cpp +++ b/check/time_lw_Q.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 +#include +#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; @@ -52,7 +59,7 @@ static unsigned test(void) return 0; } -unsigned time_lw_Q(void) +unsigned time_lw_Q() { unsigned result = 0; unsigned count = 0; @@ -60,23 +67,28 @@ unsigned time_lw_Q(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_Q(); +}