Added thirdparty: boost library

thirdparty/include/boost/geometry/strategies/concepts/area_concept.hpp

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+// 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 2018.
+// Modifications copyright (c) 2018 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_STRATEGIES_CONCEPTS_AREA_CONCEPT_HPP
+#define BOOST_GEOMETRY_STRATEGIES_CONCEPTS_AREA_CONCEPT_HPP
+
+
+#include <boost/concept_check.hpp>
+#include <boost/core/ignore_unused.hpp>
+
+#include <boost/geometry/geometries/point.hpp>
+
+
+namespace boost { namespace geometry { namespace concepts
+{
+
+
+/*!
+    \brief Checks strategy for area
+    \ingroup area
+*/
+template <typename Geometry, typename Strategy>
+class AreaStrategy
+{
+#ifndef DOXYGEN_NO_CONCEPT_MEMBERS
+
+    // 1) must define state template,
+    typedef typename Strategy::template state<Geometry> state_type;
+
+    // 2) must define result_type template,
+    typedef typename Strategy::template result_type<Geometry>::type return_type;
+
+    struct check_methods
+    {
+        static void apply()
+        {
+            Strategy const* str = 0;
+            state_type *st = 0;
+
+            // 3) must implement a method apply with the following signature
+            typename geometry::point_type<Geometry>::type const* sp = 0;
+            str->apply(*sp, *sp, *st);
+
+            // 4) must implement a static method result with the following signature
+            return_type r = str->result(*st);
+
+            boost::ignore_unused(r, str);
+        }
+    };
+
+public :
+    BOOST_CONCEPT_USAGE(AreaStrategy)
+    {
+        check_methods::apply();
+    }
+
+#endif
+};
+
+
+}}} // namespace boost::geometry::concepts
+
+
+#endif // BOOST_GEOMETRY_STRATEGIES_CONCEPTS_AREA_CONCEPT_HPP