69 lines
1.8 KiB
C++
69 lines
1.8 KiB
C++
// { dg-do run { target c++11 } }
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// { dg-require-cstdint "" }
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// 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
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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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typedef std::ratio<1, INTMAX_MAX> one_over_max;
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typedef std::ratio<2, INTMAX_MAX> two_over_max;
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typedef std::ratio<INTMAX_MAX, 1> max_over_one;
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typedef std::ratio<INTMAX_MAX, 2> max_over_two;
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void
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test01()
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{
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std::ratio_add<one_over_max, one_over_max>::type r1;
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VERIFY( r1.num == two_over_max::num);
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VERIFY( r1.den == two_over_max::den);
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std::ratio_add<
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std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
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std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
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VERIFY( r2.num == INTMAX_MAX );
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VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
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}
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void
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test02()
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{
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std::ratio_subtract<one_over_max, one_over_max>::type r1;
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VERIFY( r1.num == 0);
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VERIFY( r1.den == 1);
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std::ratio_subtract<
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std::ratio<INTMAX_MAX / 2, INTMAX_MAX / 2>,
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std::ratio<INTMAX_MAX / 2 , INTMAX_MAX / 2 + 1>>::type r2;
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VERIFY( r2.num == 1 );
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VERIFY( r2.den == (INTMAX_MAX / 2) + 1 );
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}
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int main()
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{
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test01();
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test02();
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return 0;
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}
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