ceph/src/boost/boost/geometry/algorithms/detail/convert_point_to_point.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
   9
  10 // Use, modification and distribution is subject to the Boost Software License,
  11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_CONVERT_POINT_TO_POINT_HPP
  15 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_CONVERT_POINT_TO_POINT_HPP
  16
  17 // Note: extracted from "convert.hpp" to avoid circular references convert/append
  18
  19 #include <cstddef>
  20
  21 #include <boost/numeric/conversion/cast.hpp>
  22 #include <boost/geometry/core/access.hpp>
  23 #include <boost/geometry/core/coordinate_dimension.hpp>
  24 #include <boost/geometry/core/coordinate_type.hpp>
  25
  26
  27 namespace boost { namespace geometry
  28 {
  29
  30 #ifndef DOXYGEN_NO_DETAIL
  31 namespace detail { namespace conversion
  32 {
  33
  34
  35 template <typename Source, typename Destination, std::size_t Dimension, std::size_t DimensionCount>
  36 struct point_to_point
  37 {
  38     static inline void apply(Source const& source, Destination& destination)
  39     {
  40         typedef typename coordinate_type<Destination>::type coordinate_type;
  41
  42         set<Dimension>(destination, boost::numeric_cast<coordinate_type>(get<Dimension>(source)));
  43         point_to_point<Source, Destination, Dimension + 1, DimensionCount>::apply(source, destination);
  44     }
  45 };
  46
  47 template <typename Source, typename Destination, std::size_t DimensionCount>
  48 struct point_to_point<Source, Destination, DimensionCount, DimensionCount>
  49 {
  50     static inline void apply(Source const& , Destination& )
  51     {}
  52 };
  53
  54
  55 template <typename Source, typename Destination>
  56 inline void convert_point_to_point(Source const& source, Destination& destination)
  57 {
  58     point_to_point<Source, Destination, 0, dimension<Destination>::value>::apply(source, destination);
  59 }
  60
  61
  62
  63 }} // namespace detail::conversion
  64 #endif // DOXYGEN_NO_DETAIL
  65
  66 }} // namespace boost::geometry
  67
  68 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_CONVERT_POINT_TO_POINT_HPP