Chris@102: // Boost.Geometry (aka GGL, Generic Geometry Library)
Chris@102: 
Chris@102: // Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
Chris@102: 
Chris@102: // This file was modified by Oracle on 2014.
Chris@102: // Modifications copyright (c) 2014, Oracle and/or its affiliates.
Chris@102: 
Chris@102: // Use, modification and distribution is subject to the Boost Software License,
Chris@102: // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@102: // http://www.boost.org/LICENSE_1_0.txt)
Chris@102: 
Chris@102: // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
Chris@102: 
Chris@102: #ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP
Chris@102: #define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP
Chris@102: 
Chris@102: namespace boost { namespace geometry
Chris@102: {
Chris@102: 
Chris@102: #ifndef DOXYGEN_NO_DISPATCH
Chris@102: namespace detail_dispatch { namespace relate {
Chris@102: 
Chris@102: // TODO: Integrate it with geometry::less?
Chris@102: 
Chris@102: template <typename Point1,
Chris@102:           typename Point2,
Chris@102:           std::size_t I = 0,
Chris@102:           std::size_t D = geometry::dimension<Point1>::value>
Chris@102: struct less
Chris@102: {
Chris@102:     static inline bool apply(Point1 const& left, Point2 const& right)
Chris@102:     {
Chris@102:         typename geometry::coordinate_type<Point1>::type
Chris@102:             cleft = geometry::get<I>(left);
Chris@102:         typename geometry::coordinate_type<Point2>::type
Chris@102:             cright = geometry::get<I>(right);
Chris@102: 
Chris@102:         if ( geometry::math::equals(cleft, cright) )
Chris@102:         {
Chris@102:             return less<Point1, Point2, I + 1, D>::apply(left, right);
Chris@102:         }
Chris@102:         else
Chris@102:         {
Chris@102:             return cleft < cright;
Chris@102:         }
Chris@102:     }
Chris@102: };
Chris@102: 
Chris@102: template <typename Point1, typename Point2, std::size_t D>
Chris@102: struct less<Point1, Point2, D, D>
Chris@102: {
Chris@102:     static inline bool apply(Point1 const&, Point2 const&)
Chris@102:     {
Chris@102:         return false;
Chris@102:     }
Chris@102: };
Chris@102: 
Chris@102: }} // namespace detail_dispatch::relate
Chris@102: 
Chris@102: #endif
Chris@102: 
Chris@102: #ifndef DOXYGEN_NO_DETAIL
Chris@102: namespace detail { namespace relate {
Chris@102: 
Chris@102: struct less
Chris@102: {
Chris@102:     template <typename Point1, typename Point2>
Chris@102:     inline bool operator()(Point1 const& point1, Point2 const& point2) const
Chris@102:     {
Chris@102:         return detail_dispatch::relate::less<Point1, Point2>::apply(point1, point2);
Chris@102:     }
Chris@102: };
Chris@102: 
Chris@102: }} // namespace detail::relate
Chris@102: #endif // DOXYGEN_NO_DETAIL
Chris@102: 
Chris@102: }} // namespace boost::geometry
Chris@102: 
Chris@102: #endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP