ceph/src/boost/libs/ratio/test/ratio_arithmetic/ratio_negate_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 // test ratio_negate
  15
  16 #define BOOST_RATIO_EXTENSIONS
  17
  18 #include <boost/ratio/ratio.hpp>
  19 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  20 #define NOTHING ""
  21 #endif
  22
  23 void test()
  24 {
  25
  26     {
  27     typedef boost::ratio<0> R1;
  28     typedef boost::ratio_negate<R1> R;
  29     BOOST_RATIO_STATIC_ASSERT(R::num == 0 && R::den == 1, NOTHING, ());
  30     }
  31     {
  32     typedef boost::ratio<1, 1> R1;
  33     typedef boost::ratio_negate<R1> R;
  34     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 1, NOTHING, ());
  35     }
  36     {
  37     typedef boost::ratio<1, 2> R1;
  38     typedef boost::ratio_negate<R1> R;
  39     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  40     }
  41     {
  42     typedef boost::ratio<-1, 2> R1;
  43     typedef boost::ratio_negate<R1> R;
  44     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  45     }
  46     {
  47     typedef boost::ratio<1, -2> R1;
  48     typedef boost::ratio_negate<R1> R;
  49     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  50     }
  51 }