mirror of git://gcc.gnu.org/git/gcc.git
58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
// { dg-do run { target c++11 } }
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// Copyright (C) 2008-2018 Free Software Foundation, Inc.
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//
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// This file is part of the GNU ISO C++ Library. This library is free
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// software; you can redistribute it and/or modify it under the
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// terms of the GNU General Public License as published by the
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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with this library; see the file COPYING3. If not see
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// <http://www.gnu.org/licenses/>.
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#include <ratio>
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#include <testsuite_hooks.h>
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static const std::intmax_t M = INTMAX_MAX;
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void
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test01()
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{
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// No overflow with same denominator
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VERIFY( (std::ratio_less<std::ratio<M - 2, M>,
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std::ratio<M - 1, M>>::value == 1) );
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VERIFY( (std::ratio_less<std::ratio<M - 1, M>,
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std::ratio<M - 2, M>>::value == 0) );
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// No overflow if signs differ
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VERIFY( (std::ratio_less<std::ratio<-M, M - 1>,
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std::ratio<M - 1, M - 2>>::value == 1) );
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VERIFY( (std::ratio_less<std::ratio<M - 1, M - 2>,
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std::ratio<-M, M - 1>>::value == 0) );
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// No overflow
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VERIFY( (std::ratio_less<std::ratio<M, M - 1>,
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std::ratio<M, M - 2>>::value == 1) );
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VERIFY( (std::ratio_less<std::ratio<-M, M - 1>,
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std::ratio<-M, M - 2>>::value == 0) );
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VERIFY( (std::ratio_less<std::ratio<M - 2, M - 1>,
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std::ratio<M - 1, M>>::value == 1) );
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}
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int main()
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{
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test01();
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return 0;
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}
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