libstdc++-v3/testsuite/20_util/ratio/operations/45866.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2010-10-18  Paolo Carlini  <paolo.carlini@oracle.com>
   4
   5 // Copyright (C) 2010-2024 Free Software Foundation, Inc.
   6 //
   7 // This file is part of the GNU ISO C++ Library.  This library is free
   8 // software; you can redistribute it and/or modify it under the
   9 // terms of the GNU General Public License as published by the
  10 // Free Software Foundation; either version 3, or (at your option)
  11 // any later version.
  12
  13 // This library is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17
  18 // You should have received a copy of the GNU General Public License
  19 // along with this library; see the file COPYING3.  If not see
  20 // <http://www.gnu.org/licenses/>.
  21
  22 #include <ratio>
  23 #include <testsuite_hooks.h>
  24
  25 // libstdc++/45866
  26 void test01()
  27 {
  28   typedef std::ratio<1, 4>::type r_type1;
  29   typedef std::ratio<3, 2>::type r_type2;
  30
  31   typedef std::ratio_add<r_type1, r_type2> ra_type;
  32
  33   VERIFY( ra_type::num == ra_type::type::num );
  34   VERIFY( ra_type::den == ra_type::type::den );
  35   VERIFY( ra_type::num == 7 );
  36   VERIFY( ra_type::den == 4 );
  37
  38   typedef std::ratio_subtract<r_type1, r_type2> rs_type;
  39
  40   VERIFY( rs_type::num == rs_type::type::num );
  41   VERIFY( rs_type::den == rs_type::type::den );
  42   VERIFY( rs_type::num == -5 );
  43   VERIFY( rs_type::den == 4 );
  44
  45   typedef std::ratio_multiply<r_type1, r_type2> rm_type;
  46
  47   VERIFY( rm_type::num == rm_type::type::num );
  48   VERIFY( rm_type::den == rm_type::type::den );
  49   VERIFY( rm_type::num == 3 );
  50   VERIFY( rm_type::den == 8 );
  51
  52   typedef std::ratio_divide<r_type1, r_type2> rd_type;
  53
  54   VERIFY( rd_type::num == rd_type::type::num );
  55   VERIFY( rd_type::den == rd_type::type::den );
  56   VERIFY( rd_type::num == 1 );
  57   VERIFY( rd_type::den == 6 );
  58 }
  59
  60 int main()
  61 {
  62   test01();
  63   return 0;
  64 }