ceph/src/boost/boost/geometry/algorithms/detail/sections/section_box_policies.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2015 Barend Gehrels, Amsterdam, the Netherlands.
   4
   5 // This file was modified by Oracle on 2018.
   6 // Modifications copyright (c) 2018, 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_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP
  14 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP
  15
  16
  17 #include <boost/geometry/core/coordinate_type.hpp>
  18 #include <boost/geometry/algorithms/detail/disjoint/box_box.hpp>
  19 #include <boost/geometry/algorithms/expand.hpp>
  20
  21
  22 namespace boost { namespace geometry
  23 {
  24
  25 #ifndef DOXYGEN_NO_DETAIL
  26 namespace detail { namespace section
  27 {
  28
  29 template <typename ExpandBoxStrategy>
  30 struct get_section_box
  31 {
  32     template <typename Box, typename Section>
  33     static inline void apply(Box& total, Section const& section)
  34     {
  35         assert_coordinate_type_equal(total, section.bounding_box);
  36         geometry::expand(total, section.bounding_box,
  37                          ExpandBoxStrategy());
  38     }
  39 };
  40
  41 template <typename DisjointBoxBoxStrategy>
  42 struct overlaps_section_box
  43 {
  44     template <typename Box, typename Section>
  45     static inline bool apply(Box const& box, Section const& section)
  46     {
  47         assert_coordinate_type_equal(box, section.bounding_box);
  48         return ! detail::disjoint::disjoint_box_box(box, section.bounding_box,
  49                                                     DisjointBoxBoxStrategy());
  50     }
  51 };
  52
  53
  54 }} // namespace detail::section
  55 #endif
  56
  57
  58 }} // namespace boost::geometry
  59
  60 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_SECTION_BOX_POLICIES_HPP