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// Boost.Geometry (aka GGL, Generic Geometry Library)
// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2014.
// Modifications copyright (c) 2014, Oracle and/or its affiliates.
// 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)
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
#ifndef BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP
#include <boost/geometry/core/coordinate_dimension.hpp>
#include <boost/geometry/core/coordinate_type.hpp>
#include <boost/geometry/util/math.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DISPATCH
namespace detail_dispatch { namespace relate {
// TODO: Integrate it with geometry::less?
template <typename Point1,
typename Point2,
std::size_t I = 0,
std::size_t D = geometry::dimension<Point1>::value>
struct less
{
static inline bool apply(Point1 const& left, Point2 const& right)
{
typename geometry::coordinate_type<Point1>::type
cleft = geometry::get<I>(left);
typename geometry::coordinate_type<Point2>::type
cright = geometry::get<I>(right);
if ( geometry::math::equals(cleft, cright) )
{
return less<Point1, Point2, I + 1, D>::apply(left, right);
}
else
{
return cleft < cright;
}
}
};
template <typename Point1, typename Point2, std::size_t D>
struct less<Point1, Point2, D, D>
{
static inline bool apply(Point1 const&, Point2 const&)
{
return false;
}
};
}} // namespace detail_dispatch::relate
#endif
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace relate {
struct less
{
template <typename Point1, typename Point2>
inline bool operator()(Point1 const& point1, Point2 const& point2) const
{
return detail_dispatch::relate::less<Point1, Point2>::apply(point1, point2);
}
};
}} // namespace detail::relate
#endif // DOXYGEN_NO_DETAIL
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_RELATE_LESS_HPP
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