Subversion Repositories openrisc

// { 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;

}