X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Ftime_lw_D.cpp;h=8e55058a1c27c875f827cb0ed49c09226ac8b4bf;hp=abd0abe62fb44ff6db5936513800d6131dc8622d;hb=d8742494231a4f1baf0bfc09f5c09362ced8062f;hpb=a54293fb33b252ca926cd1aba18faacb0f16688a diff --git a/check/time_lw_D.cpp b/check/time_lw_D.cpp index abd0abe6..8e55058a 100644 --- a/check/time_lw_D.cpp +++ b/check/time_lw_D.cpp @@ -4,7 +4,7 @@ * Lewis and Michael Wester. */ /* - * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2002 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 @@ -25,45 +25,47 @@ static unsigned test(void) { - ex s; - symbol y("y"); - symbol t("t"); - - for (int i=1; i<=10; ++i) - s += i*y*pow(t,i)/pow(y + i*t,i); - - if (s.nops()!=10) { - clog << "something very strange happened" << endl; - return 1; - } - return 0; + ex s; + symbol y("y"); + symbol t("t"); + + for (int i=1; i<=10; ++i) + s += i*y*pow(t,i)/pow(y + i*t,i); + + s = s.normal(); + + if (s.subs(t==0)!=0) { + clog << "something very strange happened" << endl; + return 1; + } + return 0; } unsigned time_lw_D(void) { - unsigned result = 0; - unsigned count = 1; - timer rolex; - double time = .0; - - cout << "timing Lewis-Wester test D (sum of rational fcns)" << flush; - clog << "-------Lewis-Wester test D (sum of rational fcns)" << 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; - } else { - cout << " failed "; - } - cout << int(1000*(time/count))*0.001 << 's' << endl; - - return result; + unsigned result = 0; + unsigned count = 0; + timer rolex; + double time = .0; + + cout << "timing Lewis-Wester test D (normalized sum of rational fcns)" << flush; + clog << "-------Lewis-Wester test D (normalized sum of rational fcns):" << 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; + } else { + cout << " failed "; + } + cout << int(1000*(time/count))*0.001 << 's' << endl; + + return result; }