| // { dg-options "-std=gnu++0x" } |
| // { dg-require-cstdint "" } |
| |
| // 2008-07-03 Chris Fairles <chris.fairles@gmail.com> |
| |
| // Copyright (C) 2008, 2009 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> |
| |
| typedef std::ratio<1, INTMAX_MAX> one_over_max; |
| typedef std::ratio<2, INTMAX_MAX> two_over_max; |
| typedef std::ratio<INTMAX_MAX, 1> max_over_one; |
| typedef std::ratio<INTMAX_MAX, 2> max_over_two; |
| |
| void |
| test01() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| std::ratio_add<one_over_max, one_over_max>::type r1; |
| |
| VERIFY( r1.num == two_over_max::num); |
| VERIFY( r1.den == two_over_max::den); |
| |
| std::ratio_add< |
| std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>, |
| std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2; |
| |
| VERIFY( r2.num == INTMAX_MAX ); |
| VERIFY( r2.den == (INTMAX_MAX / 2) + 1 ); |
| } |
| |
| void |
| test02() |
| { |
| bool test __attribute__((unused)) = true; |
| |
| std::ratio_subtract<one_over_max, one_over_max>::type r1; |
| |
| VERIFY( r1.num == 0); |
| VERIFY( r1.den == 1); |
| |
| std::ratio_subtract< |
| std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>, |
| std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2; |
| |
| VERIFY( r2.num == 1 ); |
| VERIFY( r2.den == (INTMAX_MAX / 2) + 1 ); |
| } |
| |
| int main() |
| { |
| test01(); |
| test02(); |
| return 0; |
| } |