libstdc++-v3/testsuite/20_util/ratio/operations/ops1.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 Free Software Foundation
   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 2, 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 COPYING.  If not, write to
  21 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  22 // Boston, MA 02110-1301, USA.
  23
  24 #include <ratio>
  25 #include <testsuite_hooks.h>
  26
  27 void
  28 test01()
  29 {
  30   bool test __attribute__((unused)) = true;
  31
  32   std::ratio_add<std::ratio<3,8>, std::ratio<5,12>>::type r;
  33
  34   VERIFY( r.num == 19 );
  35   VERIFY( r.den == 24 );
  36 }
  37
  38 void
  39 test02()
  40 {
  41   bool test __attribute__((unused)) = true;
  42   std::ratio_subtract<std::ratio<3,8>, std::ratio<5,12>>::type r;
  43
  44   VERIFY( r.num == -1 );
  45   VERIFY( r.den == 24 );
  46 }
  47
  48 void
  49 test03()
  50 {
  51   bool test __attribute__((unused)) = true;
  52   std::ratio_multiply<std::ratio<3,8>, std::ratio<5,12>>::type r;
  53
  54   VERIFY( r.num == 5 );
  55   VERIFY( r.den == 32 );
  56 }
  57
  58 void
  59 test04()
  60 {
  61   bool test __attribute__((unused)) = true;
  62   std::ratio_divide<std::ratio<3,8>, std::ratio<5,12>>::type r;
  63
  64   VERIFY( r.num == 9 );
  65   VERIFY( r.den == 10 );
  66 }
  67
  68 int main()
  69 {
  70   test01();
  71   test02();
  72   test03();
  73   test04();
  74   return 0;
  75 }