geometry/strategies/default_strategy.hpp

0001 // Boost.Geometry (aka GGL, Generic Geometry Library)
0002
0003 // Copyright (c) 2008-2013 Bruno Lalande, Paris, France.
0004 // Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands.
0005 // Copyright (c) 2009-2013 Mateusz Loskot, London, UK.
0006
0007 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
0008 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
0009
0010 // Use, modification and distribution is subject to the Boost Software License,
0011 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
0012 // http://www.boost.org/LICENSE_1_0.txt)
0013
0014 #ifndef BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP
0015 #define BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP
0016
0017
0018 namespace boost { namespace geometry
0019 {
0020
0021 // This is a strategy placeholder type, which is passed by the algorithm free
0022 // functions to the multi-stage resolving process. It's resolved into an actual
0023 // strategy type during the resolve_strategy stage, possibly depending on the
0024 // input geometry type(s). This typically happens after the resolve_variant
0025 // stage, as it needs to be based on concrete geometry types - as opposed to
0026 // variant geometry types.
0027
0028 struct default_strategy {};
0029
0030 }} // namespace boost::geometry
0031
0032
0033
0034 #endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP