ceph/src/boost/boost/geometry/strategies/io/cartesian.hpp

   1 // Boost.Geometry
   2
   3 // Copyright (c) 2019-2020, Oracle and/or its affiliates.
   4
   5 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   6
   7 // Licensed under the Boost Software License version 1.0.
   8 // http://www.boost.org/users/license.html
   9
  10 #ifndef BOOST_GEOMETRY_STRATEGIES_IO_CARTESIAN_HPP
  11 #define BOOST_GEOMETRY_STRATEGIES_IO_CARTESIAN_HPP
  12
  13
  14 #include <boost/geometry/strategies/detail.hpp>
  15 #include <boost/geometry/strategies/io/services.hpp>
  16
  17 #include <boost/geometry/strategies/cartesian/point_order.hpp>
  18 #include <boost/geometry/strategies/cartesian/point_in_point.hpp>
  19 #include <boost/geometry/strategies/cartesian/point_in_poly_winding.hpp>
  20
  21
  22 namespace boost { namespace geometry
  23 {
  24
  25 namespace strategies { namespace io
  26 {
  27
  28 template <typename CalculationType = void>
  29 class cartesian
  30     : public strategies::detail::cartesian_base
  31 {
  32 public:
  33     static auto point_order()
  34     {
  35         return strategy::point_order::cartesian<CalculationType>();
  36     }
  37
  38     template <typename Geometry1, typename Geometry2>
  39     static auto relate(Geometry1 const&, Geometry2 const&,
  40                        std::enable_if_t
  41                             <
  42                                 util::is_pointlike<Geometry1>::value
  43                              && util::is_pointlike<Geometry2>::value
  44                             > * = nullptr)
  45     {
  46         return strategy::within::cartesian_point_point();
  47     }
  48
  49     template <typename Geometry1, typename Geometry2>
  50     static auto relate(Geometry1 const&, Geometry2 const&,
  51                        std::enable_if_t
  52                             <
  53                                 util::is_pointlike<Geometry1>::value
  54                              && ( util::is_linear<Geometry2>::value
  55                                || util::is_polygonal<Geometry2>::value )
  56                             > * = nullptr)
  57     {
  58         return strategy::within::cartesian_winding<void, void, CalculationType>();
  59     }
  60 };
  61
  62 namespace services
  63 {
  64
  65 template <typename Geometry>
  66 struct default_strategy<Geometry, cartesian_tag>
  67 {
  68     typedef cartesian<> type;
  69 };
  70
  71 } // namespace services
  72
  73 }} // namespace strategies::io
  74
  75 }} // namespace boost::geometry
  76
  77 #endif // BOOST_GEOMETRY_STRATEGIES_IO_CARTESIAN_HPP