ceph/src/boost/boost/geometry/algorithms/detail/not.hpp

   1 // Boost.Geometry (aka GGL, Generic Geometry Library)
   2
   3 // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
   4 // Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
   5 // Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
   6
   7 // This file was modified by Oracle on 2015, 2017.
   8 // Modifications copyright (c) 2015-2017, Oracle and/or its affiliates.
   9
  10 // Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
  11 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
  12
  13 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
  14 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
  15
  16 // Use, modification and distribution is subject to the Boost Software License,
  17 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
  18 // http://www.boost.org/LICENSE_1_0.txt)
  19
  20 #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_NOT_HPP
  21 #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_NOT_HPP
  22
  23 namespace boost { namespace geometry
  24 {
  25
  26 #ifndef DOXYGEN_NO_DETAIL
  27 namespace detail
  28 {
  29
  30
  31
  32 /*!
  33 \brief Structure negating the result of specified policy
  34 \tparam Geometry1 \tparam_geometry
  35 \tparam Geometry2 \tparam_geometry
  36 \tparam Policy
  37 \param geometry1 \param_geometry
  38 \param geometry2 \param_geometry
  39 \return Negation of the result of the policy
  40  */
  41 template <typename Policy>
  42 struct not_
  43 {
  44     template <typename Geometry1, typename Geometry2>
  45     static inline bool apply(Geometry1 const& geometry1,
  46                              Geometry2 const& geometry2)
  47     {
  48         return ! Policy::apply(geometry1, geometry2);
  49     }
  50
  51     template <typename Geometry1, typename Geometry2, typename Strategy>
  52     static inline bool apply(Geometry1 const& geometry1,
  53                              Geometry2 const& geometry2,
  54                              Strategy const& strategy)
  55     {
  56         return ! Policy::apply(geometry1, geometry2, strategy);
  57     }
  58 };
  59
  60
  61 } // namespace detail
  62 #endif // DOXYGEN_NO_DETAIL
  63
  64 }} // namespace boost::geometry
  65
  66 #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_NOT_HPP