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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.
+
+// This file was modified by Oracle on 2014.
+// Modifications copyright (c) 2014 Oracle and/or its affiliates.
+
+// 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)
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+#ifndef BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP
+#define BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP
+
+
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+#include <boost/range/iterator.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/type_traits/is_const.hpp>
+#include <boost/geometry/views/detail/range_type.hpp>
+#include <boost/geometry/views/reversible_view.hpp>
+#include <boost/geometry/views/closeable_view.hpp>
+
+namespace boost { namespace geometry {
+
+
+#ifndef DOXYGEN_NO_DETAIL
+
+namespace detail {
+
+template <typename Geometry>
+struct normalized_view
+{
+    static const bool is_const = boost::is_const<Geometry>::value;
+
+    //typedef typename ring_type<Geometry>::type ring_type;
+
+    typedef typename detail::range_type<Geometry>::type range_type;
+
+    typedef typename
+        boost::mpl::if_c
+            <
+                is_const,
+                range_type const,
+                range_type
+            >::type range;
+
+    typedef typename
+        reversible_view
+            <
+                range,
+                order_as_direction
+                    <
+                        geometry::point_order<Geometry>::value
+                    >::value
+            >::type reversible_type;
+
+    typedef typename
+        boost::mpl::if_c
+            <
+                is_const,
+                reversible_type const,
+                reversible_type
+            >::type reversible;
+
+    typedef typename
+        closeable_view
+            <
+                reversible,
+                geometry::closure<Geometry>::value
+            >::type closeable_type;
+
+    typedef typename
+        boost::mpl::if_c
+            <
+                is_const,
+                closeable_type const,
+                closeable_type
+            >::type closeable;
+    
+    explicit inline normalized_view(range & r)
+        : m_reversible(r)
+        , m_closeable(m_reversible)
+    {}
+
+    typedef typename boost::range_iterator<closeable>::type iterator;
+    typedef typename boost::range_const_iterator<closeable>::type const_iterator;
+
+    inline const_iterator begin() const { return boost::begin(m_closeable); }
+    inline const_iterator end() const { return boost::end(m_closeable); }
+
+    inline iterator begin() { return boost::begin(m_closeable); }
+    inline iterator end() { return boost::end(m_closeable); }
+
+private:
+    reversible_type m_reversible;
+    closeable_type m_closeable;
+};
+
+} // namespace detail
+
+#endif // DOXYGEN_NO_DETAIL
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_VIEWS_DETAIL_NORMALIZED_VIEW_HPP