projects / ceph.git / blame
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|---|---|---|
| 7c673cae FG |
1 | // Boost.Geometry (aka GGL, Generic Geometry Library) |
| 2 | ||
| 3 | // Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands. | |
| 4 | ||
| 5 | // This file was modified by Oracle on 2014. | |
| 6 | // Modifications copyright (c) 2014, Oracle and/or its affiliates. | |
| 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 | // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle | |
| 13 | ||
| 14 | #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP | |
| 15 | #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP | |
| 16 | ||
| 17 | #include <boost/geometry/core/coordinate_dimension.hpp> | |
| 18 | #include <boost/geometry/core/coordinate_type.hpp> | |
| 19 | #include <boost/geometry/util/math.hpp> | |
| 20 | ||
| 21 | namespace boost { namespace geometry | |
| 22 | { | |
| 23 | ||
| 24 | #ifndef DOXYGEN_NO_DISPATCH | |
| 25 | namespace detail_dispatch { namespace relate { | |
| 26 | ||
| 27 | // TODO: Integrate it with geometry::less? | |
| 28 | ||
| 29 | template <typename Point1, | |
| 30 | typename Point2, | |
| 31 | std::size_t I = 0, | |
| 32 | std::size_t D = geometry::dimension<Point1>::value> | |
| 33 | struct less | |
| 34 | { | |
| 35 | static inline bool apply(Point1 const& left, Point2 const& right) | |
| 36 | { | |
| 37 | typename geometry::coordinate_type<Point1>::type | |
| 38 | cleft = geometry::get<I>(left); | |
| 39 | typename geometry::coordinate_type<Point2>::type | |
| 40 | cright = geometry::get<I>(right); | |
| 41 | ||
| 42 | if ( geometry::math::equals(cleft, cright) ) | |
| 43 | { | |
| 44 | return less<Point1, Point2, I + 1, D>::apply(left, right); | |
| 45 | } | |
| 46 | else | |
| 47 | { | |
| 48 | return cleft < cright; | |
| 49 | } | |
| 50 | } | |
| 51 | }; | |
| 52 | ||
| 53 | template <typename Point1, typename Point2, std::size_t D> | |
| 54 | struct less<Point1, Point2, D, D> | |
| 55 | { | |
| 56 | static inline bool apply(Point1 const&, Point2 const&) | |
| 57 | { | |
| 58 | return false; | |
| 59 | } | |
| 60 | }; | |
| 61 | ||
| 62 | }} // namespace detail_dispatch::relate | |
| 63 | ||
| 64 | #endif | |
| 65 | ||
| 66 | #ifndef DOXYGEN_NO_DETAIL | |
| 67 | namespace detail { namespace relate { | |
| 68 | ||
| 69 | struct less | |
| 70 | { | |
| 71 | template <typename Point1, typename Point2> | |
| 72 | inline bool operator()(Point1 const& point1, Point2 const& point2) const | |
| 73 | { | |
| 74 | return detail_dispatch::relate::less<Point1, Point2>::apply(point1, point2); | |
| 75 | } | |
| 76 | }; | |
| 77 | ||
| 78 | }} // namespace detail::relate | |
| 79 | #endif // DOXYGEN_NO_DETAIL | |
| 80 | ||
| 81 | }} // namespace boost::geometry | |
| 82 | ||
| 83 | #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP |