1 // Boost.Geometry (aka GGL, Generic Geometry Library) 2 3 // Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands. 4 // Copyright (c) 2008-2014 Bruno Lalande, Paris, France. 5 // Copyright (c) 2009-2014 Mateusz Loskot, London, UK. 6 7 // This file was modified by Oracle on 2014. 8 // Modifications copyright (c) 2014, Oracle and/or its affiliates. 9 10 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle 11 12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library 13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. 14 15 // Use, modification and distribution is subject to the Boost Software License, 16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 17 // http://www.boost.org/LICENSE_1_0.txt) 18 19 #ifndef BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP 20 #define BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP 21 22 #include <boost/geometry/strategies/distance_result.hpp> 23 24 25 namespace boost { namespace geometry 26 { 27 28 /*! 29 \brief Meta-function defining return type of distance function 30 \ingroup distance 31 \note The strategy defines the return-type (so this situation is different 32 from length, where distance is sqr/sqrt, but length always squared) 33 */ 34 template <typename Geometry1, typename Geometry2 = Geometry1> 35 struct default_distance_result 36 : distance_result<Geometry1, Geometry2, void> 37 {}; 38 39 40 }} // namespace boost::geometry 41 42 43 #endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_DISTANCE_RESULT_HPP 44