ceph/src/boost/libs/geometry/include/boost/geometry/algorithms/detail/sections/section_functions.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 2015.
   6 // Modifications copyright (c) 2015, Oracle and/or its affiliates.
   7
   8 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
   9
  10 // Use, modification and distribution is subject to the Boost Software License,
  11 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  12 // http://www.boost.org/LICENSE_1_0.txt)
  13
  14 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_FUNCTIONS_HPP
  15 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_FUNCTIONS_HPP
  16
  17
  18 #include <boost/geometry/core/access.hpp>
  19 #include <boost/geometry/algorithms/detail/recalculate.hpp>
  20 #include <boost/geometry/policies/robustness/robust_point_type.hpp>
  21
  22
  23 namespace boost { namespace geometry
  24 {
  25
  26 #ifndef DOXYGEN_NO_DETAIL
  27 namespace detail { namespace section
  28 {
  29
  30 template
  31 <
  32     std::size_t Dimension,
  33     typename Point,
  34     typename RobustBox,
  35     typename RobustPolicy
  36 >
  37 static inline bool preceding(int dir, Point const& point,
  38             RobustBox const& robust_box,
  39             RobustPolicy const& robust_policy)
  40 {
  41     typename geometry::robust_point_type<Point, RobustPolicy>::type robust_point;
  42     geometry::recalculate(robust_point, point, robust_policy);
  43     return (dir == 1  && get<Dimension>(robust_point) < get<min_corner, Dimension>(robust_box))
  44         || (dir == -1 && get<Dimension>(robust_point) > get<max_corner, Dimension>(robust_box));
  45 }
  46
  47 template
  48 <
  49     std::size_t Dimension,
  50     typename Point,
  51     typename RobustBox,
  52     typename RobustPolicy
  53 >
  54 static inline bool exceeding(int dir, Point const& point,
  55             RobustBox const& robust_box,
  56             RobustPolicy const& robust_policy)
  57 {
  58     typename geometry::robust_point_type<Point, RobustPolicy>::type robust_point;
  59     geometry::recalculate(robust_point, point, robust_policy);
  60     return (dir == 1  && get<Dimension>(robust_point) > get<max_corner, Dimension>(robust_box))
  61         || (dir == -1 && get<Dimension>(robust_point) < get<min_corner, Dimension>(robust_box));
  62 }
  63
  64
  65 }} // namespace detail::section
  66 #endif
  67
  68
  69 }} // namespace boost::geometry
  70
  71 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_SECTIONS_FUNCTIONS_HPP