Added boost header

test/external/boost/geometry/geometries/ring.hpp

@@ -0,0 +1,153 @@
+// 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_GEOMETRIES_RING_HPP
+#define BOOST_GEOMETRY_GEOMETRIES_RING_HPP
+
+#include <memory>
+#include <vector>
+
+#include <boost/concept/assert.hpp>
+
+#include <boost/geometry/core/closure.hpp>
+#include <boost/geometry/core/point_order.hpp>
+#include <boost/geometry/core/tag.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+#include <boost/geometry/geometries/concepts/point_concept.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+namespace model
+{
+/*!
+\brief A ring (aka linear ring) is a closed line which should not be selfintersecting
+\ingroup geometries
+\tparam Point point type
+\tparam ClockWise true for clockwise direction,
+            false for CounterClockWise direction
+\tparam Closed true for closed polygons (last point == first point),
+            false open points
+\tparam Container container type, for example std::vector, std::deque
+\tparam Allocator container-allocator-type
+
+\qbk{before.synopsis,
+[heading Model of]
+[link geometry.reference.concepts.concept_ring Ring Concept]
+}
+*/
+template
+<
+    typename Point,
+    bool ClockWise = true, bool Closed = true,
+    template<typename, typename> class Container = std::vector,
+    template<typename> class Allocator = std::allocator
+>
+class ring : public Container<Point, Allocator<Point> >
+{
+    BOOST_CONCEPT_ASSERT( (concept::Point<Point>) );
+
+    typedef Container<Point, Allocator<Point> > base_type;
+
+public :
+    /// \constructor_default{ring}
+    inline ring()
+        : base_type()
+    {}
+
+    /// \constructor_begin_end{ring}
+    template <typename Iterator>
+    inline ring(Iterator begin, Iterator end)
+        : base_type(begin, end)
+    {}
+};
+
+} // namespace model
+
+
+#ifndef DOXYGEN_NO_TRAITS_SPECIALIZATIONS
+namespace traits
+{
+
+template
+<
+    typename Point,
+    bool ClockWise, bool Closed,
+    template<typename, typename> class Container,
+    template<typename> class Allocator
+>
+struct tag<model::ring<Point, ClockWise, Closed, Container, Allocator> >
+{
+    typedef ring_tag type;
+};
+
+
+template
+<
+    typename Point,
+    bool Closed,
+    template<typename, typename> class Container,
+    template<typename> class Allocator
+>
+struct point_order<model::ring<Point, false, Closed, Container, Allocator> >
+{
+    static const order_selector value = counterclockwise;
+};
+
+
+template
+<
+    typename Point,
+    bool Closed,
+    template<typename, typename> class Container,
+    template<typename> class Allocator
+>
+struct point_order<model::ring<Point, true, Closed, Container, Allocator> >
+{
+    static const order_selector value = clockwise;
+};
+
+template
+<
+    typename Point,
+    bool PointOrder,
+    template<typename, typename> class Container,
+    template<typename> class Allocator
+>
+struct closure<model::ring<Point, PointOrder, true, Container, Allocator> >
+{
+    static const closure_selector value = closed;
+};
+
+template
+<
+    typename Point,
+    bool PointOrder,
+    template<typename, typename> class Container,
+    template<typename> class Allocator
+>
+struct closure<model::ring<Point, PointOrder, false, Container, Allocator> >
+{
+    static const closure_selector value = open;
+};
+
+
+} // namespace traits
+#endif // DOXYGEN_NO_TRAITS_SPECIALIZATIONS
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_GEOMETRIES_RING_HPP