libstdc++-v3/testsuite/20_util/ratio/comparisons/comp1.cc

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008, 2009 Free Software Foundation
   5 //
   6 // This file is part of the GNU ISO C++ Library.  This library is free
   7 // software; you can redistribute it and/or modify it under the
   8 // terms of the GNU General Public License as published by the
   9 // Free Software Foundation; either version 3, or (at your option)
  10 // any later version.
  11
  12 // This library is distributed in the hope that it will be useful,
  13 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 // GNU General Public License for more details.
  16
  17 // You should have received a copy of the GNU General Public License
  18 // along with this library; see the file COPYING3.  If not see
  19 // <http://www.gnu.org/licenses/>.
  20
  21 #include <ratio>
  22 #include <testsuite_hooks.h>
  23
  24 void
  25 test01()
  26 {
  27   bool test __attribute__((unused)) = true;
  28
  29   VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,3>>::value == 1 ));
  30   VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,4>>::value == 0 ));
  31
  32   VERIFY( (std::ratio_not_equal<std::ratio<2,6>,
  33            std::ratio<1,3>>::value == 0) );
  34   VERIFY( (std::ratio_not_equal<std::ratio<2,6>,
  35            std::ratio<1,4>>::value == 1) );
  36 }
  37
  38 void
  39 test02()
  40 {
  41   bool test __attribute__((unused)) = true;
  42
  43   VERIFY( (std::ratio_less<std::ratio<1,4>, std::ratio<1,3>>::value == 1) );
  44   VERIFY( (std::ratio_less<std::ratio<-1,3>, std::ratio<1,3>>::value == 1) );
  45
  46   VERIFY( (std::ratio_less<std::ratio<1,3>, std::ratio<1,4>>::value == 0) );
  47   VERIFY( (std::ratio_less<std::ratio<1,3>, std::ratio<-1,3>>::value == 0) );
  48
  49   VERIFY( (std::ratio_less_equal<std::ratio<-1,3>,
  50            std::ratio<-1,3>>::value == 1) );
  51   VERIFY( ( std::ratio_less_equal<std::ratio<1,4>,
  52            std::ratio<1,3>>::value == 1) );
  53
  54   VERIFY( (std::ratio_less_equal<std::ratio<1,4>,
  55            std::ratio<-1,3>>::value == 0) );
  56   VERIFY( (std::ratio_less_equal<std::ratio<1,3>,
  57            std::ratio<-1,3>>::value == 0) );
  58
  59   VERIFY( (std::ratio_greater<std::ratio<1,3>, std::ratio<1,4>>::value == 1) );
  60   VERIFY( (std::ratio_greater<std::ratio<1,3>, std::ratio<-1,3>>::value == 1) );
  61
  62   VERIFY( (std::ratio_greater<std::ratio<1,4>, std::ratio<1,3>>::value == 0) );
  63   VERIFY( (std::ratio_greater<std::ratio<-1,3>, std::ratio<1,3>>::value == 0) );
  64
  65   VERIFY( (std::ratio_greater_equal<std::ratio<1,3>,
  66            std::ratio<1,3>>::value == 1) );
  67   VERIFY( (std::ratio_greater_equal<std::ratio<1,3>,
  68            std::ratio<-1,3>>::value == 1) );
  69
  70   VERIFY( (std::ratio_greater_equal<std::ratio<-1,3>,
  71            std::ratio<1,3>>::value == 0) );
  72   VERIFY( (std::ratio_greater_equal<std::ratio<1,4>,
  73            std::ratio<1,3>>::value == 0) );
  74 }
  75
  76 int main()
  77 {
  78   test01();
  79   test02();
  80   return 0;
  81 }