ceph/src/boost/boost/geometry/strategy/cartesian/envelope_segment.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2017-2018 Oracle and/or its affiliates.
   4 // Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
   5 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   6
   7 // Use, modification and distribution is subject to the Boost Software License,
   8 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   9 // http://www.boost.org/LICENSE_1_0.txt)
  10
  11 #ifndef BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_SEGMENT_HPP
  12 #define BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_SEGMENT_HPP
  13
  14 #include <cstddef>
  15
  16 #include <boost/geometry/core/coordinate_dimension.hpp>
  17 #include <boost/geometry/core/tags.hpp>
  18
  19 #include <boost/geometry/strategy/cartesian/envelope_point.hpp>
  20 #include <boost/geometry/strategy/cartesian/expand_point.hpp>
  21 #include <boost/geometry/strategy/envelope.hpp>
  22
  23 namespace boost { namespace geometry { namespace strategy { namespace envelope
  24 {
  25
  26 #ifndef DOXYGEN_NO_DETAIL
  27 namespace detail
  28 {
  29
  30 template <std::size_t Dimension, std::size_t DimensionCount>
  31 struct envelope_one_segment
  32 {
  33     template<typename Point, typename Box>
  34     static inline void apply(Point const& p1,
  35                              Point const& p2,
  36                              Box& mbr)
  37     {
  38         geometry::detail::envelope::envelope_one_point
  39             <
  40                 Dimension, DimensionCount
  41             >::apply(p1, mbr);
  42
  43         strategy::expand::detail::point_loop
  44             <
  45                 Dimension, DimensionCount
  46             >::apply(mbr, p2);
  47     }
  48 };
  49
  50 } // namespace detail
  51 #endif // DOXYGEN_NO_DETAIL
  52
  53
  54 template
  55 <
  56     typename CalculationType = void
  57 >
  58 class cartesian_segment
  59 {
  60 public:
  61     template <typename Point, typename Box>
  62     static inline void apply(Point const& point1, Point const& point2, Box& box)
  63     {
  64         strategy::envelope::detail::envelope_one_segment
  65             <
  66                 0,
  67                 dimension<Point>::value
  68             >::apply(point1, point2, box);
  69     }
  70
  71 };
  72
  73 #ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
  74
  75 namespace services
  76 {
  77
  78 template <typename CalculationType>
  79 struct default_strategy<segment_tag, cartesian_tag, CalculationType>
  80 {
  81     typedef strategy::envelope::cartesian_segment<CalculationType> type;
  82 };
  83
  84 }
  85
  86 #endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
  87
  88
  89 }} // namespace strategy::envelope
  90
  91 }} //namepsace boost::geometry
  92
  93 #endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_SEGMENT_HPP