default_strategy.hpp 1.2 KB

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  1. // Boost.Geometry (aka GGL, Generic Geometry Library)
  2. // Copyright (c) 2008-2013 Bruno Lalande, Paris, France.
  3. // Copyright (c) 2007-2013 Barend Gehrels, Amsterdam, the Netherlands.
  4. // Copyright (c) 2009-2013 Mateusz Loskot, London, UK.
  5. // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  6. // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  7. // Use, modification and distribution is subject to the Boost Software License,
  8. // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  9. // http://www.boost.org/LICENSE_1_0.txt)
  10. #ifndef BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP
  11. #define BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP
  12. namespace boost { namespace geometry
  13. {
  14. // This is a strategy placeholder type, which is passed by the algorithm free
  15. // functions to the multi-stage resolving process. It's resolved into an actual
  16. // strategy type during the resolve_strategy stage, possibly depending on the
  17. // input geometry type(s). This typically happens after the resolve_variant
  18. // stage, as it needs to be based on concrete geometry types - as opposed to
  19. // variant geometry types.
  20. struct default_strategy {};
  21. }} // namespace boost::geometry
  22. #endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_STRATEGY_HPP