ceph/src/boost/boost/geometry/strategies/convex_hull/spherical.hpp

   1 // Boost.Geometry
   2
   3 // Copyright (c) 2020-2021, Oracle and/or its affiliates.
   4
   5 // Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
   6 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   7
   8 // Licensed under the Boost Software License version 1.0.
   9 // http://www.boost.org/users/license.html
  10
  11 #ifndef BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_SPHERICAL_HPP
  12 #define BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_SPHERICAL_HPP
  13
  14
  15 #include <boost/geometry/strategies/convex_hull/services.hpp>
  16 #include <boost/geometry/strategies/detail.hpp>
  17 #include <boost/geometry/strategies/spherical/point_in_point.hpp>
  18 #include <boost/geometry/strategies/spherical/ssf.hpp>
  19 #include <boost/geometry/util/type_traits.hpp>
  20
  21
  22 namespace boost { namespace geometry
  23 {
  24
  25 namespace strategies { namespace convex_hull
  26 {
  27
  28 template <typename CalculationType = void>
  29 class spherical : public strategies::detail::spherical_base<void>
  30 {
  31 public:
  32     template <typename Geometry1, typename Geometry2>
  33     static auto relate(Geometry1 const&, Geometry2 const&,
  34                        std::enable_if_t
  35                             <
  36                                 util::is_pointlike<Geometry1>::value
  37                              && util::is_pointlike<Geometry2>::value
  38                             > * = nullptr)
  39     {
  40         return strategy::within::spherical_point_point();
  41     }
  42
  43     static auto side()
  44     {
  45         return strategy::side::spherical_side_formula<CalculationType>();
  46     }
  47 };
  48
  49 namespace services
  50 {
  51
  52 template <typename Geometry>
  53 struct default_strategy<Geometry, spherical_equatorial_tag>
  54 {
  55     using type = strategies::convex_hull::spherical<>;
  56 };
  57
  58 } // namespace services
  59
  60 }} // namespace strategies::convex_hull
  61
  62 }} // namespace boost::geometry
  63
  64 #endif // BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_SPHERICAL_HPP