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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.
// Copyright (c) 2014-2015 Samuel Debionne, Grenoble, France.
// This file was modified by Oracle on 2015, 2016, 2017.
// Modifications copyright (c) 2015-2017, Oracle and/or its affiliates.
// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
// Contributed and/or modified by Adam Wulkiewicz, 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_EXPAND_BOX_HPP
#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_BOX_HPP
#include <cstddef>
#include <algorithm>
#include <boost/mpl/assert.hpp>
#include <boost/type_traits/is_same.hpp>
#include <boost/geometry/core/coordinate_dimension.hpp>
#include <boost/geometry/core/tags.hpp>
#include <boost/geometry/algorithms/detail/envelope/box.hpp>
#include <boost/geometry/algorithms/detail/envelope/range_of_boxes.hpp>
#include <boost/geometry/algorithms/detail/expand/indexed.hpp>
#include <boost/geometry/algorithms/dispatch/expand.hpp>
namespace boost { namespace geometry
{
#ifndef DOXYGEN_NO_DETAIL
namespace detail { namespace expand
{
struct box_on_spheroid
{
template <typename BoxOut, typename BoxIn, typename Strategy>
static inline void apply(BoxOut& box_out,
BoxIn const& box_in,
Strategy const& strategy)
{
// normalize both boxes and convert box-in to be of type of box-out
BoxOut mbrs[2];
detail::envelope::envelope_box_on_spheroid::apply(box_in, mbrs[0], strategy);
detail::envelope::envelope_box_on_spheroid::apply(box_out, mbrs[1], strategy);
// compute the envelope of the two boxes
detail::envelope::envelope_range_of_boxes::apply(mbrs, box_out, strategy);
}
};
}} // namespace detail::expand
#endif // DOXYGEN_NO_DETAIL
#ifndef DOXYGEN_NO_DISPATCH
namespace dispatch
{
// Box + box -> new box containing two input boxes
template
<
typename BoxOut, typename BoxIn,
typename CSTagOut, typename CSTag
>
struct expand
<
BoxOut, BoxIn,
box_tag, box_tag,
CSTagOut, CSTag
>
{
BOOST_MPL_ASSERT_MSG((false),
NOT_IMPLEMENTED_FOR_THESE_COORDINATE_SYSTEMS,
(types<CSTagOut, CSTag>()));
};
template <typename BoxOut, typename BoxIn>
struct expand
<
BoxOut, BoxIn,
box_tag, box_tag,
cartesian_tag, cartesian_tag
> : detail::expand::expand_indexed
<
0, dimension<BoxIn>::value
>
{};
template <typename BoxOut, typename BoxIn>
struct expand
<
BoxOut, BoxIn,
box_tag, box_tag,
spherical_equatorial_tag, spherical_equatorial_tag
> : detail::expand::box_on_spheroid
{};
template <typename BoxOut, typename BoxIn>
struct expand
<
BoxOut, BoxIn,
box_tag, box_tag,
spherical_polar_tag, spherical_polar_tag
> : detail::expand::box_on_spheroid
{};
template <typename BoxOut, typename BoxIn>
struct expand
<
BoxOut, BoxIn,
box_tag, box_tag,
geographic_tag, geographic_tag
> : detail::expand::box_on_spheroid
{};
} // namespace dispatch
#endif // DOXYGEN_NO_DISPATCH
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_INDEXED_HPP
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