ceph/src/boost/boost/geometry/algorithms/detail/convert_indexed_to_indexed.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_INDEXED_TO_INDEXED_HPP
  15 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_CONVERT_INDEXED_TO_INDEXED_HPP
  16
  17
  18 #include <cstddef>
  19
  20 #include <boost/numeric/conversion/cast.hpp>
  21 #include <boost/geometry/core/access.hpp>
  22 #include <boost/geometry/core/coordinate_dimension.hpp>
  23 #include <boost/geometry/core/coordinate_type.hpp>
  24
  25
  26 namespace boost { namespace geometry
  27 {
  28
  29 #ifndef DOXYGEN_NO_DETAIL
  30 namespace detail { namespace conversion
  31 {
  32
  33
  34 template
  35 <
  36     typename Source,
  37     typename Destination,
  38     std::size_t Dimension,
  39     std::size_t DimensionCount
  40 >
  41 struct indexed_to_indexed
  42 {
  43     static inline void apply(Source const& source, Destination& destination)
  44     {
  45         typedef typename coordinate_type<Destination>::type coordinate_type;
  46
  47         geometry::set<min_corner, Dimension>(destination,
  48             boost::numeric_cast<coordinate_type>(
  49                 geometry::get<min_corner, Dimension>(source)));
  50         geometry::set<max_corner, Dimension>(destination,
  51             boost::numeric_cast<coordinate_type>(
  52                 geometry::get<max_corner, Dimension>(source)));
  53
  54         indexed_to_indexed
  55             <
  56                 Source, Destination,
  57                 Dimension + 1, DimensionCount
  58             >::apply(source, destination);
  59     }
  60 };
  61
  62 template
  63 <
  64     typename Source,
  65     typename Destination,
  66     std::size_t DimensionCount
  67 >
  68 struct indexed_to_indexed<Source, Destination, DimensionCount, DimensionCount>
  69 {
  70     static inline void apply(Source const& , Destination& )
  71     {}
  72 };
  73
  74
  75 }} // namespace detail::conversion
  76 #endif // DOXYGEN_NO_DETAIL
  77
  78 }} // namespace boost::geometry
  79
  80 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_CONVERT_INDEXED_TO_INDEXED_HPP