ceph/src/boost/libs/geometry/include/boost/geometry/index/detail/is_indexable.hpp

   1 // Boost.Geometry Index
   2 //
   3 // Copyright (c) 2011-2015 Adam Wulkiewicz, Lodz, Poland.
   4 //
   5 // Use, modification and distribution is subject to the Boost Software License,
   6 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
   7 // http://www.boost.org/LICENSE_1_0.txt)
   8
   9 #ifndef BOOST_GEOMETRY_INDEX_DETAIL_IS_INDEXABLE_HPP
  10 #define BOOST_GEOMETRY_INDEX_DETAIL_IS_INDEXABLE_HPP
  11
  12 #include <boost/geometry/core/tag.hpp>
  13 #include <boost/geometry/core/tags.hpp>
  14
  15 namespace boost { namespace geometry { namespace index { namespace detail {
  16
  17 template
  18 <
  19     typename Geometry,
  20     typename Tag = typename geometry::tag<Geometry>::type
  21 >
  22 struct is_indexable
  23 {
  24     static const bool value = false;
  25 };
  26
  27 template <typename Point>
  28 struct is_indexable<Point, geometry::point_tag>
  29 {
  30     static const bool value = true;
  31 };
  32
  33 template <typename Box>
  34 struct is_indexable<Box, geometry::box_tag>
  35 {
  36     static const bool value = true;
  37 };
  38
  39 template <typename Segment>
  40 struct is_indexable<Segment, geometry::segment_tag>
  41 {
  42     static const bool value = true;
  43 };
  44
  45 }}}} // namespave boost::geometry::index::detail
  46
  47 #endif // BOOST_GEOMETRY_INDEX_DETAIL_IS_INDEXABLE_HPP