// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
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// This file was modified by Oracle on 2020.
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// Modifications copyright (c) 2020, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
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// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_CORE_REVERSE_DISPATCH_HPP
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#define BOOST_GEOMETRY_CORE_REVERSE_DISPATCH_HPP
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#include <cstddef>
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#include <type_traits>
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#include <boost/geometry/core/geometry_id.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace detail
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{
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// Different geometries: reverse_dispatch if second ID < first ID
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template <std::size_t GeometryId1, std::size_t GeometryId2>
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struct reverse_dispatch
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: std::integral_constant
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<
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bool,
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(GeometryId1 > GeometryId2)
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>
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{};
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// Same geometry: never reverse_dispatch
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template <std::size_t GeometryId>
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struct reverse_dispatch<GeometryId, GeometryId> : std::false_type {};
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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template <typename Geometry1, typename Geometry2>
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struct reverse_dispatch : detail::reverse_dispatch
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<
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geometry_id<Geometry1>::type::value,
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geometry_id<Geometry2>::type::value
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>
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{};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_CORE_REVERSE_DISPATCH_HPP
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