libstdc++-v3/testsuite/20_util/ratio/operations/ops3.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
   5
   6 // Copyright (C) 2008-2014 Free Software Foundation, Inc.
   7 //
   8 // This file is part of the GNU ISO C++ Library.  This library is free
   9 // software; you can redistribute it and/or modify it under the
  10 // terms of the GNU General Public License as published by the
  11 // Free Software Foundation; either version 3, or (at your option)
  12 // any later version.
  13
  14 // This library is distributed in the hope that it will be useful,
  15 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 // GNU General Public License for more details.
  18
  19 // You should have received a copy of the GNU General Public License
  20 // along with this library; see the file COPYING3.  If not see
  21 // <http://www.gnu.org/licenses/>.
  22
  23 #include <ratio>
  24 #include <testsuite_hooks.h>
  25
  26 void
  27 test01()
  28 {
  29   bool test __attribute__((unused)) = true;
  30
  31   std::ratio_multiply<
  32     std::ratio<2, INTMAX_MAX>,
  33     std::ratio<INTMAX_MAX, 2>>::type r1;
  34
  35   VERIFY( r1.num == 1 );
  36   VERIFY( r1.den == 1 );
  37
  38   std::ratio_multiply<
  39     std::ratio<INTMAX_MAX, 2>,
  40     std::ratio<2 , INTMAX_MAX - 1>>::type r2;
  41
  42   VERIFY( r2.num == INTMAX_MAX );
  43   VERIFY( r2.den == INTMAX_MAX - 1 );
  44 }
  45
  46 void
  47 test02()
  48 {
  49   bool test __attribute__((unused)) = true;
  50
  51   std::ratio_divide<
  52     std::ratio<INTMAX_MAX, 2>,
  53     std::ratio<INTMAX_MAX, 2>>::type r1;
  54
  55   VERIFY( r1.num == 1 );
  56   VERIFY( r1.den == 1 );
  57
  58   std::ratio_divide<
  59     std::ratio<INTMAX_MAX-1, 2>,
  60     std::ratio<INTMAX_MAX, 2>>::type r2;
  61
  62   VERIFY( r2.num == INTMAX_MAX - 1 );
  63   VERIFY( r2.den == INTMAX_MAX );
  64 }
  65
  66 int main()
  67 {
  68   test01();
  69   test02();
  70   return 0;
  71 }