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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 2015.
+// Modifications copyright (c) 2015, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+
+// Distributed under 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_ENVELOPE_POINT_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_POINT_HPP
+
+#include <cstddef>
+
+#include <boost/geometry/core/access.hpp>
+#include <boost/geometry/core/cs.hpp>
+#include <boost/geometry/core/coordinate_dimension.hpp>
+#include <boost/geometry/core/coordinate_system.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+#include <boost/geometry/views/detail/indexed_point_view.hpp>
+
+#include <boost/geometry/algorithms/detail/convert_point_to_point.hpp>
+#include <boost/geometry/algorithms/detail/normalize.hpp>
+
+#include <boost/geometry/algorithms/detail/envelope/transform_units.hpp>
+
+#include <boost/geometry/algorithms/dispatch/envelope.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace envelope
+{
+
+
+template <std::size_t Dimension, std::size_t DimensionCount>
+struct envelope_one_point
+{
+ template <std::size_t Index, typename Point, typename Box>
+ static inline void apply(Point const& point, Box& mbr)
+ {
+ detail::indexed_point_view<Box, Index> box_corner(mbr);
+ detail::conversion::point_to_point
+ <
+ Point,
+ detail::indexed_point_view<Box, Index>,
+ Dimension,
+ DimensionCount
+ >::apply(point, box_corner);
+ }
+
+ template <typename Point, typename Box>
+ static inline void apply(Point const& point, Box& mbr)
+ {
+ apply<min_corner>(point, mbr);
+ apply<max_corner>(point, mbr);
+ }
+};
+
+
+struct envelope_point_on_spheroid
+{
+ template<typename Point, typename Box>
+ static inline void apply(Point const& point, Box& mbr)
+ {
+ Point normalized_point = detail::return_normalized<Point>(point);
+
+ typename point_type<Box>::type box_point;
+
+ // transform units of input point to units of a box point
+ transform_units(normalized_point, box_point);
+
+ geometry::set<min_corner, 0>(mbr, geometry::get<0>(box_point));
+ geometry::set<min_corner, 1>(mbr, geometry::get<1>(box_point));
+
+ geometry::set<max_corner, 0>(mbr, geometry::get<0>(box_point));
+ geometry::set<max_corner, 1>(mbr, geometry::get<1>(box_point));
+
+ envelope_one_point
+ <
+ 2, dimension<Point>::value
+ >::apply(normalized_point, mbr);
+ }
+};
+
+
+}} // namespace detail::envelope
+#endif // DOXYGEN_NO_DETAIL
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+
+template <typename Point, typename CS_Tag>
+struct envelope<Point, point_tag, CS_Tag>
+ : detail::envelope::envelope_one_point<0, dimension<Point>::value>
+{};
+
+
+template <typename Point>
+struct envelope<Point, point_tag, spherical_equatorial_tag>
+ : detail::envelope::envelope_point_on_spheroid
+{};
+
+
+template <typename Point>
+struct envelope<Point, point_tag, geographic_tag>
+ : detail::envelope::envelope_point_on_spheroid
+{};
+
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_POINT_HPP