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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
+
+// This file was modified by Oracle on 2014, 2015, 2017.
+// Modifications copyright (c) 2014-2017 Oracle and/or its affiliates.
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
+// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAPS_INTERFACE_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAPS_INTERFACE_HPP
+
+
+#include <cstddef>
+
+#include <boost/geometry/algorithms/not_implemented.hpp>
+
+#include <boost/geometry/geometries/concepts/check.hpp>
+
+#include <boost/geometry/algorithms/detail/relate/relate_impl.hpp>
+
+#include <boost/geometry/strategies/relate.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+
+template
+<
+ typename Geometry1,
+ typename Geometry2,
+ typename Tag1 = typename tag<Geometry1>::type,
+ typename Tag2 = typename tag<Geometry2>::type
+>
+struct overlaps
+ : detail::relate::relate_impl
+ <
+ detail::de9im::static_mask_overlaps_type,
+ Geometry1,
+ Geometry2
+ >
+{};
+
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+
+/*!
+\brief \brief_check2{overlap}
+\ingroup overlaps
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\tparam Strategy \tparam_strategy{Overlaps}
+\param geometry1 \param_geometry
+\param geometry2 \param_geometry
+\param strategy \param_strategy{overlaps}
+\return \return_check2{overlap}
+
+\qbk{distinguish,with strategy}
+\qbk{[include reference/algorithms/overlaps.qbk]}
+*/
+template <typename Geometry1, typename Geometry2, typename Strategy>
+inline bool overlaps(Geometry1 const& geometry1,
+ Geometry2 const& geometry2,
+ Strategy const& strategy)
+{
+ concepts::check<Geometry1 const>();
+ concepts::check<Geometry2 const>();
+
+ return dispatch::overlaps
+ <
+ Geometry1,
+ Geometry2
+ >::apply(geometry1, geometry2, strategy);
+}
+
+/*!
+\brief \brief_check2{overlap}
+\ingroup overlaps
+\tparam Geometry1 \tparam_geometry
+\tparam Geometry2 \tparam_geometry
+\param geometry1 \param_geometry
+\param geometry2 \param_geometry
+\return \return_check2{overlap}
+
+\qbk{[include reference/algorithms/overlaps.qbk]}
+*/
+template <typename Geometry1, typename Geometry2>
+inline bool overlaps(Geometry1 const& geometry1, Geometry2 const& geometry2)
+{
+ concepts::check<Geometry1 const>();
+ concepts::check<Geometry2 const>();
+
+ typedef typename strategy::relate::services::default_strategy
+ <
+ Geometry1,
+ Geometry2
+ >::type strategy_type;
+
+ return dispatch::overlaps
+ <
+ Geometry1,
+ Geometry2
+ >::apply(geometry1, geometry2, strategy_type());
+}
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_OVERLAPS_INTERFACE_HPP