libstdc++-v3/testsuite/20_util/ratio/operations/ops1.cc

   1 // { dg-do run { target c++11 } }
   2
   3 // 2008-07-03 Chris Fairles <chris.fairles@gmail.com>
   4
   5 // Copyright (C) 2008-2020 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 void
  26 test01()
  27 {
  28   std::ratio_add<std::ratio<3,8>, std::ratio<5,12>>::type r;
  29
  30   VERIFY( r.num == 19 );
  31   VERIFY( r.den == 24 );
  32 }
  33
  34 void
  35 test02()
  36 {
  37   std::ratio_subtract<std::ratio<3,8>, std::ratio<5,12>>::type r;
  38
  39   VERIFY( r.num == -1 );
  40   VERIFY( r.den == 24 );
  41 }
  42
  43 void
  44 test03()
  45 {
  46   std::ratio_multiply<std::ratio<3,8>, std::ratio<5,12>>::type r;
  47
  48   VERIFY( r.num == 5 );
  49   VERIFY( r.den == 32 );
  50 }
  51
  52 void
  53 test04()
  54 {
  55   std::ratio_divide<std::ratio<3,8>, std::ratio<5,12>>::type r;
  56
  57   VERIFY( r.num == 9 );
  58   VERIFY( r.den == 10 );
  59 }
  60
  61 int main()
  62 {
  63   test01();
  64   test02();
  65   test03();
  66   test04();
  67   return 0;
  68 }