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;

}