Added thirdparty: boost library

thirdparty/include/boost/geometry/strategy/area.hpp

@@ -0,0 +1,94 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2012 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2012 Mateusz Loskot, London, UK.
+// Copyright (c) 2017 Adam Wulkiewicz, Lodz, Poland.
+
+// This file was modified by Oracle on 2020.
+// Modifications copyright (c) 2020 Oracle and/or its affiliates.
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
+// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
+
+// Use, modification and distribution is subject to 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_STRATEGY_AREA_HPP
+#define BOOST_GEOMETRY_STRATEGY_AREA_HPP
+
+
+#include <boost/geometry/core/coordinate_type.hpp>
+#include <boost/geometry/core/static_assert.hpp>
+
+#include <boost/geometry/util/select_most_precise.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+namespace strategy { namespace area
+{
+
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+// If user specified a CalculationType, use that type, whatever it is
+//   and whatever the Geometry is.
+// Else, use Geometry's coordinate-type promoted to double if needed.
+template
+<
+    typename Geometry,
+    typename CalculationType
+>
+struct result_type
+{
+    typedef CalculationType type;
+};
+
+template
+<
+    typename Geometry
+>
+struct result_type<Geometry, void>
+    : select_most_precise
+        <
+            typename coordinate_type<Geometry>::type,
+            double
+        >
+{};
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+
+namespace services
+{
+
+/*!
+    \brief Traits class binding a default area strategy to a coordinate system
+    \ingroup area
+    \tparam Tag tag of coordinate system
+*/
+template <typename Tag>
+struct default_strategy
+{
+    BOOST_GEOMETRY_STATIC_ASSERT_FALSE(
+        "Not implemented for this coordinate system.",
+        Tag);
+};
+
+
+} // namespace services
+
+}} // namespace strategy::area
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGY_AREA_HPP