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1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
2 | ||
3 | // Copyright (c) 2014 Barend Gehrels, Amsterdam, the Netherlands. | |
4 | // Copyright (c) 2014 Bruno Lalande, Paris, France. | |
5 | // Copyright (c) 2014 Mateusz Loskot, London, UK. | |
6 | // Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland. | |
7 | ||
8 | // Use, modification and distribution is subject to the Boost Software License, | |
9 | // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at | |
10 | // http://www.boost.org/LICENSE_1_0.txt) | |
11 | ||
12 | #ifndef BOOST_GEOMETRY_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP | |
13 | #define BOOST_GEOMETRY_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP | |
14 | ||
15 | ||
16 | #include <boost/config.hpp> | |
17 | #include <boost/type_traits/is_floating_point.hpp> | |
18 | ||
19 | ||
20 | namespace boost { namespace geometry | |
21 | { | |
22 | ||
23 | #ifndef DOXYGEN_NO_DETAIL | |
24 | ||
25 | namespace detail_dispatch | |
26 | { | |
27 | ||
28 | template <typename CoordinateType, typename IsFloatingPoint> | |
29 | struct robust_type | |
30 | { | |
31 | }; | |
32 | ||
33 | template <typename CoordinateType> | |
34 | struct robust_type<CoordinateType, boost::false_type> | |
35 | { | |
36 | typedef CoordinateType type; | |
37 | }; | |
38 | ||
39 | template <typename CoordinateType> | |
40 | struct robust_type<CoordinateType, boost::true_type> | |
41 | { | |
42 | typedef boost::long_long_type type; | |
43 | }; | |
44 | ||
45 | } // namespace detail_dispatch | |
46 | ||
47 | namespace detail | |
48 | { | |
49 | ||
50 | template <typename CoordinateType> | |
51 | struct robust_type | |
52 | { | |
53 | typedef typename detail_dispatch::robust_type | |
54 | < | |
55 | CoordinateType, | |
56 | typename boost::is_floating_point<CoordinateType>::type | |
57 | >::type type; | |
58 | }; | |
59 | ||
60 | } // namespace detail | |
61 | #endif // DOXYGEN_NO_DETAIL | |
62 | ||
63 | ||
64 | }} // namespace boost::geometry | |
65 | ||
66 | ||
67 | #endif // BOOST_GEOMETRY_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP |