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

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
   6
   7 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
   8 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
   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_STRATEGIES_TAGS_HPP
  15 #define BOOST_GEOMETRY_STRATEGIES_TAGS_HPP
  16
  17
  18 namespace boost { namespace geometry
  19 {
  20
  21 namespace strategy
  22 {
  23     /*!
  24         \brief Indicate compiler/library user that strategy is not implemented.
  25         \details Strategies are defined for point types or for point type
  26         combinations. If there is no implementation for that specific point type, or point type
  27         combination, the calculation cannot be done. To indicate this, this not_implemented
  28         class is used as a typedef stub.
  29
  30     */
  31     struct not_implemented {};
  32 }
  33
  34
  35 struct strategy_tag_distance_point_point {};
  36 struct strategy_tag_distance_point_segment {};
  37 struct strategy_tag_distance_point_box {};
  38 struct strategy_tag_distance_box_box {};
  39
  40
  41 }} // namespace boost::geometry
  42
  43 #endif // BOOST_GEOMETRY_STRATEGIES_TAGS_HPP