libs/ratio/test/ratio_comparison/ratio_greater_equal_pass.cpp

   1 //===----------------------------------------------------------------------===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is dual licensed under the MIT and the University of Illinois Open
   6 // Source Licenses. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //  Adaptation to Boost of the libcxx
  10 //  Copyright 2010 Vicente J. Botet Escriba
  11 //  Distributed under the Boost Software License, Version 1.0.
  12 //  See http://www.boost.org/LICENSE_1_0.txt
  13
  14 #include <boost/ratio/ratio.hpp>
  15 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  16 #define NOTHING ""
  17 #endif
  18
  19
  20 void test()
  21 {
  22     {
  23     typedef boost::ratio<1, 1> R1;
  24     typedef boost::ratio<1, 1> R2;
  25     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  26     }
  27     {
  28     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  29     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  30     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  31     }
  32     {
  33     typedef boost::ratio<1,BOOST_RATIO_INTMAX_T_MAX> R1;
  34     typedef boost::ratio<1,BOOST_RATIO_INTMAX_T_MAX> R2;
  35     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  36     }
  37     {
  38     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  39     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  40     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  41     }
  42     {
  43     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R1;
  44     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R2;
  45     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  46     }
  47     {
  48     typedef boost::ratio<1, 1> R1;
  49     typedef boost::ratio<1, -1> R2;
  50     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  51     }
  52     {
  53     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  54     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  55     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  56     }
  57     {
  58     typedef boost::ratio<-BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  59     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R2;
  60     BOOST_RATIO_STATIC_ASSERT((!boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  61     }
  62     {
  63     typedef boost::ratio<1, BOOST_RATIO_INTMAX_T_MAX> R1;
  64     typedef boost::ratio<1, -BOOST_RATIO_INTMAX_T_MAX> R2;
  65     BOOST_RATIO_STATIC_ASSERT((boost::ratio_greater_equal<R1, R2>::value), NOTHING, ());
  66     }
  67 }