update boost

linx64/include/boost/geometry/algorithms/default_area_result.hpp

@@ -0,0 +1,41 @@
+// 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.
+
+// 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_ALGORITHMS_DEFAULT_AREA_RESULT_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DEFAULT_AREA_RESULT_HPP
+
+
+#include <boost/geometry/algorithms/area_result.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+/*!
+\brief Meta-function defining return type of area function, using the default strategy
+\ingroup area
+\note The strategy defines the return-type (so this situation is different
+    from length, where distance is sqr/sqrt, but length always squared)
+ */
+
+template <typename Geometry>
+struct default_area_result
+    : area_result<Geometry>
+{};
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DEFAULT_AREA_RESULT_HPP