| // Boost.Geometry (aka GGL, Generic Geometry Library) |
| |
| // Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands. |
| // Copyright (c) 2008-2011 Bruno Lalande, Paris, France. |
| // Copyright (c) 2009-2011 Mateusz Loskot, London, UK. |
| |
| // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library |
| // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. |
| |
| // Use, modification and distribution is subject to the Boost Software License, |
| // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #ifndef BOOST_GEOMETRY_STRATEGIES_TAGS_HPP |
| #define BOOST_GEOMETRY_STRATEGIES_TAGS_HPP |
| |
| |
| namespace boost { namespace geometry |
| { |
| |
| namespace strategy |
| { |
| /*! |
| \brief Indicate compiler/library user that strategy is not implemented. |
| \details Strategies are defined for point types or for point type |
| combinations. If there is no implementation for that specific point type, or point type |
| combination, the calculation cannot be done. To indicate this, this not_implemented |
| class is used as a typedef stub. |
| |
| */ |
| struct not_implemented {}; |
| } |
| |
| |
| struct strategy_tag_distance_point_point {}; |
| struct strategy_tag_distance_point_segment {}; |
| |
| |
| }} // namespace boost::geometry |
| |
| #endif // BOOST_GEOMETRY_STRATEGIES_TAGS_HPP |