Imported Upstream version 1.57.0
[platform/upstream/boost.git] / libs / ratio / test / ratio_arithmetic / ratio_sign_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_sign
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_sign<R1> R;
29     BOOST_RATIO_STATIC_ASSERT(R::value == 0, NOTHING, ());
30     }
31     {
32     typedef boost::ratio<1, 1> R1;
33     typedef boost::ratio_sign<R1> R;
34     BOOST_RATIO_STATIC_ASSERT(R::value == 1, NOTHING, ());
35     }
36     {
37     typedef boost::ratio<1, 2> R1;
38     typedef boost::ratio_sign<R1> R;
39     BOOST_RATIO_STATIC_ASSERT(R::value == 1, NOTHING, ());
40     }
41     {
42     typedef boost::ratio<-1, 2> R1;
43     typedef boost::ratio_sign<R1> R;
44     BOOST_RATIO_STATIC_ASSERT(R::value == -1, NOTHING, ());
45     }
46     {
47     typedef boost::ratio<1, -2> R1;
48     typedef boost::ratio_sign<R1> R;
49     BOOST_RATIO_STATIC_ASSERT(R::value == -1, NOTHING, ());
50     }
51 }