X-Git-Url: https://www.ginac.de/ginac.git//ginac.git?p=ginac.git;a=blobdiff_plain;f=check%2Ftime_lw_B.cpp;h=cb92efcc7a2096c8565b064532f8a61a349b7255;hp=00bbc00a1659c8fba79db90aea0e74a4297e3384;hb=1d07d8ac9fb47c51aa19a84df6c8c5fee5dd5105;hpb=a54293fb33b252ca926cd1aba18faacb0f16688a diff --git a/check/time_lw_B.cpp b/check/time_lw_B.cpp index 00bbc00a..cb92efcc 100644 --- a/check/time_lw_B.cpp +++ b/check/time_lw_B.cpp @@ -4,7 +4,7 @@ * Lewis and Michael Wester. */ /* - * GiNaC Copyright (C) 1999-2000 Johannes Gutenberg University Mainz, Germany + * GiNaC Copyright (C) 1999-2003 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 @@ -25,43 +25,43 @@ static unsigned test(void) { - numeric s; - - for (int i=1; i<=1000; ++i) - s += numeric(i).inverse(); - - if (abs(s.evalf()-numeric("7.4854708605503449"))>numeric("2.0E-16")) { - clog << "sum(1/i,i=1..1000) erroneously returned " << s << endl; - return 1; - } - return 0; + numeric s; + + for (int i=1; i<=1000; ++i) + s += numeric(i).inverse(); + + if (abs(s.evalf()-numeric("7.4854708605503449"))>numeric("2.0E-16")) { + clog << "sum(1/i,i=1..1000) erroneously returned " << s << endl; + return 1; + } + return 0; } unsigned time_lw_B(void) { - unsigned result = 0; - unsigned count = 1; - timer rolex; - double time = .0; - - cout << "timing Lewis-Wester test B (sum of rational numbers)" << flush; - clog << "-------Lewis-Wester test B (sum of rational numbers)" << 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 B (sum of rational numbers)" << flush; + clog << "-------Lewis-Wester test B (sum of rational numbers):" << 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; }