Added boost header

test/external/boost/geometry/algorithms/reverse.hpp

@@ -0,0 +1,134 @@
+// 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_REVERSE_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_REVERSE_HPP
+
+#include <algorithm>
+
+#include <boost/range.hpp>
+#include <boost/typeof/typeof.hpp>
+
+#include <boost/geometry/core/interior_rings.hpp>
+#include <boost/geometry/geometries/concepts/check.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace reverse
+{
+
+
+template <typename Range>
+struct range_reverse
+{
+    static inline void apply(Range& range)
+    {
+        std::reverse(boost::begin(range), boost::end(range));
+    }
+};
+
+
+template <typename Polygon>
+struct polygon_reverse
+{
+    static inline void apply(Polygon& polygon)
+    {
+        typedef typename geometry::ring_type<Polygon>::type ring_type;
+
+        typedef range_reverse<ring_type> per_range;
+        per_range::apply(exterior_ring(polygon));
+
+        typename interior_return_type<Polygon>::type rings
+                    = interior_rings(polygon);
+        for (BOOST_AUTO_TPL(it, boost::begin(rings)); it != boost::end(rings); ++it)
+        {
+            per_range::apply(*it);
+        }
+    }
+};
+
+
+}} // namespace detail::reverse
+#endif // DOXYGEN_NO_DETAIL
+
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+
+template
+<
+    typename Tag,
+    typename Geometry
+>
+struct reverse
+{
+    static inline void apply(Geometry&)
+    {}
+};
+
+
+template <typename Ring>
+struct reverse<ring_tag, Ring>
+    : detail::reverse::range_reverse<Ring>
+{};
+
+
+template <typename LineString>
+struct reverse<linestring_tag, LineString>
+    : detail::reverse::range_reverse<LineString>
+{};
+
+
+template <typename Polygon>
+struct reverse<polygon_tag, Polygon>
+    : detail::reverse::polygon_reverse<Polygon>
+{};
+
+
+} // namespace dispatch
+#endif
+
+
+/*!
+\brief Reverses the points within a geometry
+\details Generic function to reverse a geometry. It resembles the std::reverse
+   functionality, but it takes the geometry type into account. Only for a ring
+   or for a linestring it is the same as the std::reverse.
+\ingroup reverse
+\tparam Geometry \tparam_geometry
+\param geometry \param_geometry which will be reversed
+
+\qbk{[include reference/algorithms/reverse.qbk]}
+*/
+template <typename Geometry>
+inline void reverse(Geometry& geometry)
+{
+    concept::check<Geometry>();
+
+    dispatch::reverse
+        <
+            typename tag<Geometry>::type,
+            Geometry
+        >::apply(geometry);
+}
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_REVERSE_HPP