ceph/src/boost/boost/geometry/strategies/intersection_strategies.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // This file was modified by Oracle on 2016-2020.
   6 // Modifications copyright (c) 2016-2020, Oracle and/or its affiliates.
   7 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   8
   9 // Use, modification and distribution is subject to the Boost Software License,
  10 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  11 // http://www.boost.org/LICENSE_1_0.txt)
  12
  13 #ifndef BOOST_GEOMETRY_STRATEGIES_INTERSECTION_HPP
  14 #define BOOST_GEOMETRY_STRATEGIES_INTERSECTION_HPP
  15
  16
  17 //#include <type_traits>
  18
  19 #include <boost/geometry/policies/relate/intersection_policy.hpp>
  20 #include <boost/geometry/policies/robustness/segment_ratio_type.hpp>
  21
  22 #include <boost/geometry/strategies/intersection.hpp>
  23 #include <boost/geometry/strategies/intersection_result.hpp>
  24 #include <boost/geometry/strategies/side.hpp>
  25
  26 #include <boost/geometry/strategies/cartesian/intersection.hpp>
  27 #include <boost/geometry/strategies/cartesian/side_by_triangle.hpp>
  28 #include <boost/geometry/strategies/spherical/intersection.hpp>
  29 #include <boost/geometry/strategies/spherical/ssf.hpp>
  30
  31
  32 namespace boost { namespace geometry
  33 {
  34
  35
  36 /*!
  37 \brief "compound strategy", containing a segment-intersection-strategy
  38        and a side-strategy
  39  */
  40 template
  41 <
  42     typename Tag,
  43     typename Geometry1,
  44     typename Geometry2,
  45     typename IntersectionPoint,
  46     typename RobustPolicy,
  47     typename CalculationType = void
  48 >
  49 struct intersection_strategies
  50 {
  51 private :
  52     // for development BOOST_STATIC_ASSERT((! std::is_same<RobustPolicy, void>::type::value));
  53
  54     typedef segment_intersection_points
  55     <
  56         IntersectionPoint,
  57         typename detail::segment_ratio_type
  58         <
  59             IntersectionPoint, RobustPolicy
  60         >::type
  61     > ip_type;
  62
  63 public:
  64     typedef policies::relate::segments_intersection_policy
  65         <
  66             ip_type
  67         > intersection_policy_type;
  68
  69     typedef typename strategy::intersection::services::default_strategy
  70             <
  71                 Tag,
  72                 CalculationType
  73             >::type segment_intersection_strategy_type;
  74
  75     typedef typename strategy::side::services::default_strategy
  76         <
  77             Tag,
  78             CalculationType
  79         >::type side_strategy_type;
  80
  81     typedef RobustPolicy rescale_policy_type;
  82 };
  83
  84
  85 }} // namespace boost::geometry
  86
  87
  88 #endif // BOOST_GEOMETRY_STRATEGIES_INTERSECTION_HPP