| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
| // Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
| // Copyright (c) 2009-2011 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_C_ARRAY_HPP |
| #define BOOST_GEOMETRY_GEOMETRIES_ADAPTED_C_ARRAY_HPP |
| |
| #include <cstddef> |
| |
| #include <boost/type_traits/is_arithmetic.hpp> |
| |
| #include <boost/geometry/core/access.hpp> |
| #include <boost/geometry/core/cs.hpp> |
| #include <boost/geometry/core/coordinate_dimension.hpp> |
| #include <boost/geometry/core/coordinate_type.hpp> |
| #include <boost/geometry/core/tags.hpp> |
| |
| namespace boost { namespace geometry |
| { |
| |
| |
| #ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS |
| namespace traits |
| { |
| |
| |
| #ifndef DOXYGEN_NO_DETAIL |
| namespace detail |
| { |
| |
| |
| // Create class and specialization to indicate the tag |
| // for normal cases and the case that the type of the c-array is arithmetic |
| template <bool> |
| struct c_array_tag |
| { |
| typedef geometry_not_recognized_tag type; |
| }; |
| |
| |
| template <> |
| struct c_array_tag<true> |
| { |
| typedef point_tag type; |
| }; |
| |
| |
| } // namespace detail |
| #endif // DOXYGEN_NO_DETAIL |
| |
| |
| // Assign the point-tag, preventing arrays of points getting a point-tag |
| template <typename CoordinateType, std::size_t DimensionCount> |
| struct tag<CoordinateType[DimensionCount]> |
| : detail::c_array_tag<boost::is_arithmetic<CoordinateType>::value> {}; |
| |
| |
| template <typename CoordinateType, std::size_t DimensionCount> |
| struct coordinate_type<CoordinateType[DimensionCount]> |
| { |
| typedef CoordinateType type; |
| }; |
| |
| |
| template <typename CoordinateType, std::size_t DimensionCount> |
| struct dimension<CoordinateType[DimensionCount]>: boost::mpl::int_<DimensionCount> {}; |
| |
| |
| template <typename CoordinateType, std::size_t DimensionCount, std::size_t Dimension> |
| struct access<CoordinateType[DimensionCount], Dimension> |
| { |
| static inline CoordinateType get(CoordinateType const p[DimensionCount]) |
| { |
| return p[Dimension]; |
| } |
| |
| static inline void set(CoordinateType p[DimensionCount], |
| CoordinateType const& value) |
| { |
| p[Dimension] = value; |
| } |
| }; |
| |
| |
| } // namespace traits |
| #endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS |
| |
| |
| }} // namespace boost::geometry |
| |
| |
| #define BOOST_GEOMETRY_REGISTER_C_ARRAY_CS(CoordinateSystem) \ |
| namespace boost { namespace geometry { namespace traits { \ |
| template <typename T, std::size_t N> \ |
| struct coordinate_system<T[N]> \ |
| { \ |
| typedef CoordinateSystem type; \ |
| }; \ |
| }}} |
| |
| |
| #endif // BOOST_GEOMETRY_GEOMETRIES_ADAPTED_C_ARRAY_HPP |