Added boost header

test/external/boost/geometry/multi/algorithms/unique.hpp

@@ -0,0 +1,102 @@
+// 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_MULTI_ALGORITHMS_UNIQUE_HPP
+#define BOOST_GEOMETRY_MULTI_ALGORITHMS_UNIQUE_HPP
+
+
+#include <boost/range.hpp>
+
+#include <boost/geometry/algorithms/unique.hpp>
+#include <boost/geometry/multi/core/tags.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace unique
+{
+
+
+template <typename MultiGeometry, typename ComparePolicy, typename Policy>
+struct multi_unique
+{
+    static inline void apply(MultiGeometry& multi, ComparePolicy const& compare)
+    {
+        for (typename boost::range_iterator<MultiGeometry>::type
+                it = boost::begin(multi);
+            it != boost::end(multi);
+            ++it)
+        {
+            Policy::apply(*it, compare);
+        }
+    }
+};
+
+
+}} // namespace detail::unique
+#endif // DOXYGEN_NO_DETAIL
+
+
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+
+// For points, unique is not applicable and does nothing
+// (Note that it is not "spatially unique" but that it removes duplicate coordinates,
+//  like std::unique does). Spatially unique is "dissolve" which can (or will be)
+//  possible for multi-points as well, removing points at the same location.
+
+
+template <typename MultiLineString, typename ComparePolicy>
+struct unique<multi_linestring_tag, MultiLineString, ComparePolicy>
+    : detail::unique::multi_unique
+        <
+            MultiLineString,
+            ComparePolicy,
+            detail::unique::range_unique
+            <
+                typename boost::range_value<MultiLineString>::type,
+                ComparePolicy
+            >
+        >
+{};
+
+
+template <typename MultiPolygon, typename ComparePolicy>
+struct unique<multi_polygon_tag, MultiPolygon, ComparePolicy>
+    : detail::unique::multi_unique
+        <
+            MultiPolygon,
+            ComparePolicy,
+            detail::unique::polygon_unique
+            <
+                typename boost::range_value<MultiPolygon>::type,
+                ComparePolicy
+            >
+        >
+{};
+
+
+} // namespace dispatch
+#endif
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_MULTI_ALGORITHMS_UNIQUE_HPP