ceph/src/boost/libs/ratio/test/ratio_arithmetic/ratio_add_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_add
  15
  16 #include <boost/ratio/ratio.hpp>
  17 #if !defined(BOOST_NO_CXX11_STATIC_ASSERT)
  18 #define NOTHING ""
  19 #endif
  20
  21 void test()
  22 {
  23   {
  24   typedef boost::ratio<0> R1;
  25   typedef boost::ratio<0> R2;
  26   typedef boost::ratio_add<R1, R2> R;
  27   BOOST_RATIO_STATIC_ASSERT(R::num == 0 && R::den == 1, NOTHING, ());
  28   }
  29     {
  30     typedef boost::ratio<1, 1> R1;
  31     typedef boost::ratio<1, 1> R2;
  32     typedef boost::ratio_add<R1, R2> R;
  33     BOOST_RATIO_STATIC_ASSERT(R::num == 2 && R::den == 1, NOTHING, ());
  34     typedef boost::ratio_add<R, R2> RR;
  35     BOOST_RATIO_STATIC_ASSERT(RR::num == 3 && RR::den == 1, NOTHING, ());
  36     }
  37     {
  38     typedef boost::ratio<1, 2> R1;
  39     typedef boost::ratio<1, 1> R2;
  40     typedef boost::ratio_add<R1, R2> R;
  41     BOOST_RATIO_STATIC_ASSERT(R::num == 3 && R::den == 2, NOTHING, ());
  42     }
  43     {
  44     typedef boost::ratio<-1, 2> R1;
  45     typedef boost::ratio<1, 1> R2;
  46     typedef boost::ratio_add<R1, R2> R;
  47     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  48     }
  49     {
  50     typedef boost::ratio<1, -2> R1;
  51     typedef boost::ratio<1, 1> R2;
  52     typedef boost::ratio_add<R1, R2> R;
  53     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  54     }
  55     {
  56     typedef boost::ratio<1, 2> R1;
  57     typedef boost::ratio<-1, 1> R2;
  58     typedef boost::ratio_add<R1, R2> R;
  59     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  60     }
  61     {
  62     typedef boost::ratio<1, 2> R1;
  63     typedef boost::ratio<1, -1> R2;
  64     typedef boost::ratio_add<R1, R2> R;
  65     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  66     }
  67     {
  68     typedef boost::ratio<56987354, 467584654> R1;
  69     typedef boost::ratio<544668, 22145> R2;
  70     typedef boost::ratio_add<R1, R2> R;
  71     BOOST_RATIO_STATIC_ASSERT(R::num == 127970191639601LL && R::den == 5177331081415LL, NOTHING, ());
  72     }
  73     {
  74     typedef boost::ratio<BOOST_RATIO_INTMAX_T_MAX, 1> R1;
  75     typedef boost::ratio<-1, 1> R2;
  76     typedef boost::ratio_add<R1, R2>::type RT;
  77     }
  78
  79 }
  80
  81 boost::intmax_t func(boost::ratio<5,6> s) {
  82     return s.num;
  83 }
  84
  85
  86 boost::intmax_t test_conversion() {
  87     return func(
  88             boost::ratio_add<
  89                 boost::ratio<1,2>,
  90                 boost::ratio<1,3>
  91             >
  92             ()
  93             );
  94 }
  95