ceph/src/boost/libs/geometry/include/boost/geometry/strategies/default_comparable_distance_result.hpp

   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_COMPARABLE_DISTANCE_RESULT_HPP
  20 #define BOOST_GEOMETRY_STRATEGIES_DEFAULT_COMPARABLE_DISTANCE_RESULT_HPP
  21
  22 #include <boost/geometry/strategies/comparable_distance_result.hpp>
  23
  24
  25 namespace boost { namespace geometry
  26 {
  27
  28 /*!
  29 \brief Meta-function defining return type of comparable_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_comparable_distance_result
  36     : comparable_distance_result<Geometry1, Geometry2, void>
  37 {};
  38
  39
  40 }} // namespace boost::geometry
  41
  42
  43 #endif // BOOST_GEOMETRY_STRATEGIES_DEFAULT_COMPARABLE_DISTANCE_RESULT_HPP