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- // Boost.Geometry (aka GGL, Generic Geometry Library)
- // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
- // Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
- // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
- // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
- // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
- // Use, modification and distribution is subject to the Boost Software License,
- // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt)
- #ifndef BOOST_GEOMETRY_GEOMETRIES_ADAPTED_STD_PAIR_AS_SEGMENT_HPP
- #define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_STD_PAIR_AS_SEGMENT_HPP
- // Only possible if the std::pair is not used for iterator/pair
- // (maybe it is possible to avoid that by detecting in the other file
- // if an iterator was used in the pair)
- #ifdef BOOST_GEOMETRY_ADAPTED_STD_RANGE_TAG_DEFINED
- #error Include only one headerfile to register tag for adapted std:: containers or iterator pair
- #endif
- #define BOOST_GEOMETRY_ADAPTED_STD_RANGE_TAG_DEFINED
- #include <cstddef>
- #include <boost/geometry/core/access.hpp>
- #include <boost/geometry/core/tag.hpp>
- #include <boost/geometry/core/tags.hpp>
- namespace boost { namespace geometry
- {
- #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
- namespace traits
- {
- template <typename Point>
- struct tag<std::pair<Point, Point> >
- {
- typedef segment_tag type;
- };
- template <typename Point>
- struct point_type<std::pair<Point, Point> >
- {
- typedef Point type;
- };
- template <typename Point, std::size_t Dimension>
- struct indexed_access<std::pair<Point, Point>, 0, Dimension>
- {
- typedef typename geometry::coordinate_type<Point>::type coordinate_type;
- static inline coordinate_type get(std::pair<Point, Point> const& s)
- {
- return geometry::get<Dimension>(s.first);
- }
- static inline void set(std::pair<Point, Point>& s, coordinate_type const& value)
- {
- geometry::set<Dimension>(s.first, value);
- }
- };
- template <typename Point, std::size_t Dimension>
- struct indexed_access<std::pair<Point, Point>, 1, Dimension>
- {
- typedef typename geometry::coordinate_type<Point>::type coordinate_type;
- static inline coordinate_type get(std::pair<Point, Point> const& s)
- {
- return geometry::get<Dimension>(s.second);
- }
- static inline void set(std::pair<Point, Point>& s, coordinate_type const& value)
- {
- geometry::set<Dimension>(s.second, value);
- }
- };
- } // namespace traits
- #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
- }} // namespace boost::geometry
- #endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_STD_PAIR_AS_SEGMENT_HPP
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