Subversion Repositories openrisc_2011-10-31

// { 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;
}