ceph/src/boost/libs/ratio/test/ratio_arithmetic/ratio_multiply_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_multiply
  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<1, 1> R1;
  25     typedef boost::ratio<1, 1> R2;
  26     typedef boost::ratio_multiply<R1, R2> R;
  27     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 1, NOTHING, ());
  28     }
  29     {
  30     typedef boost::ratio<1, 2> R1;
  31     typedef boost::ratio<1, 1> R2;
  32     typedef boost::ratio_multiply<R1, R2> R;
  33     BOOST_RATIO_STATIC_ASSERT(R::num == 1 && R::den == 2, NOTHING, ());
  34     }
  35     {
  36     typedef boost::ratio<-1, 2> R1;
  37     typedef boost::ratio<1, 1> R2;
  38     typedef boost::ratio_multiply<R1, R2> 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<1, 1> R2;
  44     typedef boost::ratio_multiply<R1, R2> R;
  45     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  46     }
  47     {
  48     typedef boost::ratio<1, 2> R1;
  49     typedef boost::ratio<-1, 1> R2;
  50     typedef boost::ratio_multiply<R1, R2> R;
  51     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  52     }
  53     {
  54     typedef boost::ratio<1, 2> R1;
  55     typedef boost::ratio<1, -1> R2;
  56     typedef boost::ratio_multiply<R1, R2> R;
  57     BOOST_RATIO_STATIC_ASSERT(R::num == -1 && R::den == 2, NOTHING, ());
  58     }
  59     {
  60     typedef boost::ratio<56987354, 467584654> R1;
  61     typedef boost::ratio<544668, 22145> R2;
  62     typedef boost::ratio_multiply<R1, R2> R;
  63     BOOST_RATIO_STATIC_ASSERT(R::num == 15519594064236LL && R::den == 5177331081415LL, NOTHING, ());
  64     }
  65 }