83 lines
2.2 KiB
C++
83 lines
2.2 KiB
C++
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// Boost.Geometry
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// Copyright (c) 2020-2021, Oracle and/or its affiliates.
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// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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// Licensed under the Boost Software License version 1.0.
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// http://www.boost.org/users/license.html
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#ifndef BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_GEOGRAPHIC_HPP
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#define BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_GEOGRAPHIC_HPP
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#include <boost/geometry/strategies/convex_hull/services.hpp>
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#include <boost/geometry/strategies/detail.hpp>
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#include <boost/geometry/strategies/geographic/side.hpp>
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#include <boost/geometry/strategies/spherical/point_in_point.hpp>
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#include <boost/geometry/util/type_traits.hpp>
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namespace boost { namespace geometry
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{
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namespace strategies { namespace convex_hull
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{
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template
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<
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typename FormulaPolicy = strategy::andoyer,
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typename Spheroid = srs::spheroid<double>,
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typename CalculationType = void
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>
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class geographic : public strategies::detail::geographic_base<Spheroid>
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{
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using base_t = strategies::detail::geographic_base<Spheroid>;
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public:
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geographic() = default;
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explicit geographic(Spheroid const& spheroid)
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: base_t(spheroid)
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{}
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template <typename Geometry1, typename Geometry2>
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static auto relate(Geometry1 const&, Geometry2 const&,
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std::enable_if_t
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<
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util::is_pointlike<Geometry1>::value
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&& util::is_pointlike<Geometry2>::value
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> * = nullptr)
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{
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return strategy::within::spherical_point_point();
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}
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auto side() const
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{
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return strategy::side::geographic
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<
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FormulaPolicy,
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Spheroid,
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CalculationType
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>(base_t::m_spheroid);
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}
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};
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namespace services
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{
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template <typename Geometry>
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struct default_strategy<Geometry, geographic_tag>
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{
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using type = strategies::convex_hull::geographic<>;
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};
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} // namespace services
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}} // namespace strategies::convex_hull
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_STRATEGIES_CONVEX_HULL_GEOGRAPHIC_HPP
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