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1/*-----------------------------------------------------------------------------+
2Copyright (c) 2008-2009: Joachim Faulhaber
3+------------------------------------------------------------------------------+
4 Distributed under the Boost Software License, Version 1.0.
5 (See accompanying file LICENCE.txt or copy at
6 http://www.boost.org/LICENSE_1_0.txt)
7+-----------------------------------------------------------------------------*/
8
9/*------------------------------------------------------------------------------
10itl_rational provides adapter code for boost::rational.
11------------------------------------------------------------------------------*/
12
13#ifndef BOOST_ICL_RATIONAL_HPP_JOFA_080913
14#define BOOST_ICL_RATIONAL_HPP_JOFA_080913
15
16#include <boost/config.hpp> // For BOOST_MSVC and more
17
18#ifdef BOOST_MSVC
19#pragma warning(push)
20#pragma warning(disable:4127) // conditional expression is constant
21#pragma warning(disable:4512) // 'boost::detail::resetter' : assignment operator could not be generated
22#pragma warning(disable:4800) // 'unsigned int' : forcing value to bool 'true' or 'false' (performance warning)
23#endif
24
25#include <boost/rational.hpp>
26
27#ifdef BOOST_MSVC
28#pragma warning(pop)
29#endif
30
31#include <boost/icl/type_traits/is_continuous.hpp>
32#include <boost/icl/type_traits/has_inverse.hpp>
33#include <boost/icl/type_traits/is_numeric.hpp>
34
35namespace boost{namespace icl
36{
37 template<class Integral>
38 struct is_numeric<boost::rational<Integral> >
39 {
40 typedef is_numeric type;
41 BOOST_STATIC_CONSTANT(bool, value = true);
42 };
43
44 template<class Integral>
45 struct is_continuous<boost::rational<Integral> >
46 {
47 typedef is_continuous type;
48 BOOST_STATIC_CONSTANT(bool, value = true);
49 };
50
51 template<class Integral>
52 struct is_discrete<boost::rational<Integral> >
53 {
54 typedef is_discrete type;
55 BOOST_STATIC_CONSTANT(bool, value = false);
56 };
57
58 template<class Integral>
59 struct has_inverse<boost::rational<Integral> >
60 {
61 typedef has_inverse type;
62 BOOST_STATIC_CONSTANT(bool, value = (boost::is_signed<Integral>::value));
63 };
64
65}} // namespace icl boost
66
67
68#endif
69
70