113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
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// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
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// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
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// Copyright (c) 2013-2015 Adam Wulkiewicz, Lodz, Poland.
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// This file was modified by Oracle on 2013-2018.
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// Modifications copyright (c) 2013-2018, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Contributed and/or modified by Menelaos Karavelas, 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_STRATEGIES_CARTESIAN_DISJOINT_BOX_BOX_HPP
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#define BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISJOINT_BOX_BOX_HPP
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#include <cstddef>
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#include <boost/geometry/core/access.hpp>
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#include <boost/geometry/core/coordinate_dimension.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/strategies/disjoint.hpp>
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namespace boost { namespace geometry { namespace strategy { namespace disjoint
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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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template
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<
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typename Box1, typename Box2,
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std::size_t Dimension = 0,
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std::size_t DimensionCount = dimension<Box1>::value
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>
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struct box_box
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{
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static inline bool apply(Box1 const& box1, Box2 const& box2)
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{
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if (get<max_corner, Dimension>(box1) < get<min_corner, Dimension>(box2))
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{
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return true;
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}
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if (get<min_corner, Dimension>(box1) > get<max_corner, Dimension>(box2))
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{
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return true;
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}
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return box_box
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<
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Box1, Box2,
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Dimension + 1, DimensionCount
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>::apply(box1, box2);
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}
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};
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template <typename Box1, typename Box2, std::size_t DimensionCount>
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struct box_box<Box1, Box2, DimensionCount, DimensionCount>
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{
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static inline bool apply(Box1 const& , Box2 const& )
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{
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return false;
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}
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};
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} // namespace detail
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#endif // DOXYGEN_NO_DETAIL
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struct cartesian_box_box
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{
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template <typename Box1, typename Box2>
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static inline bool apply(Box1 const& box1, Box2 const& box2)
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{
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return detail::box_box<Box1, Box2>::apply(box1, box2);
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}
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};
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#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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namespace services
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{
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template <typename Box1, typename Box2, int TopDim1, int TopDim2>
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struct default_strategy<Box1, Box2, box_tag, box_tag, TopDim1, TopDim2, cartesian_tag, cartesian_tag>
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{
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typedef disjoint::cartesian_box_box type;
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};
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} // namespace services
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#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
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}}}} // namespace boost::geometry::strategy::disjoint
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#endif // BOOST_GEOMETRY_STRATEGIES_CARTESIAN_DISJOINT_BOX_BOX_HPP
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