URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libstdc++-v3/] [testsuite/] [20_util/] [ratio/] [comparisons/] [comp2.cc] - Rev 742
Compare with Previous | Blame | View Log
// { dg-options "-std=gnu++0x" } // { dg-require-cstdint "" } // Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // You should have received a copy of the GNU General Public License // along with this library; see the file COPYING3. If not see // <http://www.gnu.org/licenses/>. #include <ratio> #include <testsuite_hooks.h> static const std::intmax_t M = INTMAX_MAX; void test01() { bool test __attribute__((unused)) = true; // No overflow with same denominator VERIFY( (std::ratio_less<std::ratio<M - 2, M>, std::ratio<M - 1, M>>::value == 1) ); VERIFY( (std::ratio_less<std::ratio<M - 1, M>, std::ratio<M - 2, M>>::value == 0) ); // No overflow if signs differ VERIFY( (std::ratio_less<std::ratio<-M, M - 1>, std::ratio<M - 1, M - 2>>::value == 1) ); VERIFY( (std::ratio_less<std::ratio<M - 1, M - 2>, std::ratio<-M, M - 1>>::value == 0) ); // No overflow VERIFY( (std::ratio_less<std::ratio<M, M - 1>, std::ratio<M, M - 2>>::value == 1) ); VERIFY( (std::ratio_less<std::ratio<-M, M - 1>, std::ratio<-M, M - 2>>::value == 0) ); VERIFY( (std::ratio_less<std::ratio<M - 2, M - 1>, std::ratio<M - 1, M>>::value == 1) ); } int main() { test01(); return 0; }