Added thirdparty: boost library

thirdparty/include/boost/geometry/strategies/expand/geographic.hpp

@@ -0,0 +1,98 @@
+// Boost.Geometry
+
+// Copyright (c) 2020-2021, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Licensed under the Boost Software License version 1.0.
+// http://www.boost.org/users/license.html
+
+#ifndef BOOST_GEOMETRY_STRATEGIES_EXPAND_GEOGRAPHIC_HPP
+#define BOOST_GEOMETRY_STRATEGIES_EXPAND_GEOGRAPHIC_HPP
+
+
+#include <type_traits>
+
+#include <boost/geometry/strategy/geographic/expand_segment.hpp>
+
+#include <boost/geometry/strategies/detail.hpp>
+#include <boost/geometry/strategies/expand/spherical.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace strategies { namespace expand
+{
+
+template
+<
+    typename FormulaPolicy = strategy::andoyer,
+    typename Spheroid = srs::spheroid<double>,
+    typename CalculationType = void
+>
+class geographic
+    : public strategies::detail::geographic_base<Spheroid>
+{
+    using base_t = strategies::detail::geographic_base<Spheroid>;
+
+public:
+    geographic() = default;
+
+    explicit geographic(Spheroid const& spheroid)
+        : base_t(spheroid)
+    {}
+
+    template <typename Box, typename Geometry>
+    static auto expand(Box const&, Geometry const&,
+                       typename util::enable_if_point_t<Geometry> * = nullptr)
+    {
+        return strategy::expand::spherical_point();
+    }
+
+    template <typename Box, typename Geometry>
+    static auto expand(Box const&, Geometry const&,
+                       typename util::enable_if_box_t<Geometry> * = nullptr)
+    {
+        return strategy::expand::spherical_box();
+    }
+
+    template <typename Box, typename Geometry>
+    auto expand(Box const&, Geometry const&,
+                typename util::enable_if_segment_t<Geometry> * = nullptr) const
+    {
+        return strategy::expand::geographic_segment
+            <
+                FormulaPolicy, Spheroid, CalculationType
+            >(base_t::m_spheroid);
+    }
+};
+
+
+namespace services
+{
+
+template <typename Box, typename Geometry>
+struct default_strategy<Box, Geometry, geographic_tag>
+{
+    using type = strategies::expand::geographic<>;
+};
+
+
+template <typename FP, typename S, typename CT>
+struct strategy_converter<strategy::expand::geographic_segment<FP, S, CT> >
+{
+    static auto get(strategy::expand::geographic_segment<FP, S, CT> const& s)
+    {
+        return strategies::expand::geographic<FP, S, CT>(s.model());
+    }
+};
+
+
+} // namespace services
+
+}} // namespace strategies::envelope
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_EXPAND_GEOGRAPHIC_HPP