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// { dg-options "-std=gnu++0x" }

// { dg-require-cstdint "" }

// Copyright (C) 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 <limits>

#include <testsuite_hooks.h>

// libstdc++/47913

void test01()

{

  bool test __attribute__((unused)) = true;

  using namespace std;

  const intmax_t m1 = (intmax_t)1 << (4 * sizeof(intmax_t) - 1);

  typedef ratio_add<ratio<1, (m1 - 1) * (m1 - 2)>,

                    ratio<1, (m1 - 3) * (m1 - 2)> > ra_type1;

  VERIFY( ra_type1::num == 2 );

  VERIFY( ra_type1::den == (m1 - 1) * (m1 - 3) );

  const intmax_t m2 = numeric_limits<intmax_t>::max();

  typedef ratio_add<ratio<m2, 2>,

                    ratio<-m2, 3> > ra_type2;

  VERIFY( ra_type2::num == m2 );

  VERIFY( ra_type2::den == 6 );

  typedef ratio_add<ratio<m2 / 7 * 5 - 1, 5>,

                    ratio<-m2 + 2, 7> > ra_type3;

  ra_type3();

  const intmax_t m3 = numeric_limits<intmax_t>::max() - 1;

  typedef ratio_add<ratio<-m3 / 7 * 5 - 1, 5>,

                    ratio<m3, 7> > ra_type4;

  ra_type4();

  const intmax_t m4 = numeric_limits<intmax_t>::max() / 2;

  typedef ratio_add<ratio<m4 - 5, 15>,

                    ratio<m4, 35> > ra_type5;

  VERIFY( ra_type5::num == (2 * m4 - 7) );

  VERIFY( ra_type5::den == 21 );

}

int main()

{

  test01();

  return 0;

}