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

   1 // { dg-options "-std=gnu++0x" }
   2 // { dg-require-cstdint "" }
   3
   4 // Copyright (C) 2008 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 2, 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 COPYING.  If not, write to
  19 // the Free Software Foundation, 51 Franklin Street, Fifth Floor,
  20 // Boston, MA 02110-1301, USA.
  21
  22 #include <ratio>
  23 #include <testsuite_hooks.h>
  24
  25 void
  26 test01()
  27 {
  28   bool test __attribute__((unused)) = true;
  29
  30   VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,3>>::value == 1 ));
  31   VERIFY(( std::ratio_equal<std::ratio<2,6>, std::ratio<1,4>>::value == 0 ));
  32
  33   VERIFY( (std::ratio_not_equal<std::ratio<2,6>,
  34            std::ratio<1,3>>::value == 0) );
  35   VERIFY( (std::ratio_not_equal<std::ratio<2,6>,
  36            std::ratio<1,4>>::value == 1) );
  37 }
  38
  39 void
  40 test02()
  41 {
  42   bool test __attribute__((unused)) = true;
  43
  44   VERIFY( (std::ratio_less<std::ratio<1,4>, std::ratio<1,3>>::value == 1) );
  45   VERIFY( (std::ratio_less<std::ratio<-1,3>, std::ratio<1,3>>::value == 1) );
  46
  47   VERIFY( (std::ratio_less<std::ratio<1,3>, std::ratio<1,4>>::value == 0) );
  48   VERIFY( (std::ratio_less<std::ratio<1,3>, std::ratio<-1,3>>::value == 0) );
  49
  50   VERIFY( (std::ratio_less_equal<std::ratio<-1,3>,
  51            std::ratio<-1,3>>::value == 1) );
  52   VERIFY( ( std::ratio_less_equal<std::ratio<1,4>,
  53            std::ratio<1,3>>::value == 1) );
  54
  55   VERIFY( (std::ratio_less_equal<std::ratio<1,4>,
  56            std::ratio<-1,3>>::value == 0) );
  57   VERIFY( (std::ratio_less_equal<std::ratio<1,3>,
  58            std::ratio<-1,3>>::value == 0) );
  59
  60   VERIFY( (std::ratio_greater<std::ratio<1,3>, std::ratio<1,4>>::value == 1) );
  61   VERIFY( (std::ratio_greater<std::ratio<1,3>, std::ratio<-1,3>>::value == 1) );
  62
  63   VERIFY( (std::ratio_greater<std::ratio<1,4>, std::ratio<1,3>>::value == 0) );
  64   VERIFY( (std::ratio_greater<std::ratio<-1,3>, std::ratio<1,3>>::value == 0) );
  65
  66   VERIFY( (std::ratio_greater_equal<std::ratio<1,3>,
  67            std::ratio<1,3>>::value == 1) );
  68   VERIFY( (std::ratio_greater_equal<std::ratio<1,3>,
  69            std::ratio<-1,3>>::value == 1) );
  70
  71   VERIFY( (std::ratio_greater_equal<std::ratio<-1,3>,
  72            std::ratio<1,3>>::value == 0) );
  73   VERIFY( (std::ratio_greater_equal<std::ratio<1,4>,
  74            std::ratio<1,3>>::value == 0) );
  75 }
  76
  77 int main()
  78 {
  79   test01();
  80   test02();
  81   return 0;
  82 }