Added thirdparty: boost library

thirdparty/include/boost/geometry/strategies/area/cartesian.hpp

@@ -0,0 +1,72 @@
+// Boost.Geometry
+
+// Copyright (c) 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_AREA_CARTESIAN_HPP
+#define BOOST_GEOMETRY_STRATEGIES_AREA_CARTESIAN_HPP
+
+
+#include <boost/geometry/strategy/cartesian/area.hpp>
+#include <boost/geometry/strategy/cartesian/area_box.hpp>
+
+#include <boost/geometry/strategies/area/services.hpp>
+#include <boost/geometry/strategies/detail.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace strategies { namespace area
+{
+
+template <typename CalculationType = void>
+struct cartesian : strategies::detail::cartesian_base
+{
+    template <typename Geometry>
+    static auto area(Geometry const&,
+                     std::enable_if_t<! util::is_box<Geometry>::value> * = nullptr)
+    {
+        return strategy::area::cartesian<CalculationType>();
+    }
+
+    template <typename Geometry>
+    static auto area(Geometry const&,
+                     std::enable_if_t<util::is_box<Geometry>::value> * = nullptr)
+    {
+        return strategy::area::cartesian_box<CalculationType>();
+    }
+};
+
+
+namespace services
+{
+
+template <typename Geometry>
+struct default_strategy<Geometry, cartesian_tag>
+{
+    using type = strategies::area::cartesian<>;
+};
+
+
+template <typename CT>
+struct strategy_converter<strategy::area::cartesian<CT> >
+{
+    static auto get(strategy::area::cartesian<CT> const&)
+    {
+        return strategies::area::cartesian<CT>();
+    }
+};
+
+
+} // namespace services
+
+}} // namespace strategies::area
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_AREA_CARTESIAN_HPP