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1 | /*-----------------------------------------------------------------------------+ |
2 | Copyright (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 | /*------------------------------------------------------------------------------ | |
10 | itl_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 | ||
35 | namespace 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 |