// Boost.Geometry (aka GGL, Generic Geometry Library)
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// Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
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// Copyright (c) 2016-2018 Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fisikopoulos, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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_SPHERICAL_GET_RADIUS_HPP
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#define BOOST_GEOMETRY_STRATEGIES_SPHERICAL_GET_RADIUS_HPP
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#include <boost/geometry/core/coordinate_type.hpp>
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#include <boost/geometry/core/radius.hpp>
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#include <boost/geometry/core/tag.hpp>
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#include <boost/geometry/core/tags.hpp>
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#include <boost/geometry/util/select_most_precise.hpp>
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namespace boost { namespace geometry
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{
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#ifndef DOXYGEN_NO_DETAIL
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namespace strategy_detail
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{
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template
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<
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typename RadiusTypeOrSphere,
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typename Tag = typename tag<RadiusTypeOrSphere>::type
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>
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struct get_radius
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{
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typedef typename geometry::radius_type<RadiusTypeOrSphere>::type type;
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static type apply(RadiusTypeOrSphere const& sphere)
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{
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return geometry::get_radius<0>(sphere);
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}
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};
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template <typename RadiusTypeOrSphere>
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struct get_radius<RadiusTypeOrSphere, void>
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{
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typedef RadiusTypeOrSphere type;
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static type apply(RadiusTypeOrSphere const& radius)
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{
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return radius;
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}
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};
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// For backward compatibility
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template <typename Point>
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struct get_radius<Point, point_tag>
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{
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typedef typename select_most_precise
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<
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typename coordinate_type<Point>::type,
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double
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>::type type;
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template <typename RadiusOrSphere>
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static typename get_radius<RadiusOrSphere>::type
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apply(RadiusOrSphere const& radius_or_sphere)
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{
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return get_radius<RadiusOrSphere>::apply(radius_or_sphere);
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}
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};
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} // namespace strategy_detail
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#endif // DOXYGEN_NO_DETAIL
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_SPHERICAL_GET_RADIUS_HPP
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