Added boost header

test/external/boost/geometry/algorithms/detail/calculate_sum.hpp

@@ -0,0 +1,64 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2011 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2011 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2011 Mateusz Loskot, London, UK.
+
+// 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_DETAIL_CALCULATE_SUM_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_SUM_HPP
+
+
+#include <boost/range.hpp>
+#include <boost/typeof/typeof.hpp>
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+
+template
+<
+    typename ReturnType,
+    typename Polygon,
+    typename Strategy,
+    typename Policy
+>
+class calculate_polygon_sum
+{
+    template <typename Rings>
+    static inline ReturnType sum_interior_rings(Rings const& rings, Strategy const& strategy)
+    {
+        ReturnType sum = ReturnType();
+        for (BOOST_AUTO_TPL(it, boost::begin(rings)); it != boost::end(rings); ++it)
+        {
+            sum += Policy::apply(*it, strategy);
+        }
+        return sum;
+    }
+
+public :
+    static inline ReturnType apply(Polygon const& poly, Strategy const& strategy)
+    {
+        return Policy::apply(exterior_ring(poly), strategy)
+            + sum_interior_rings(interior_rings(poly), strategy)
+            ;
+    }
+};
+
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_CALCULATE_SUM_HPP