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[ceph.git] / ceph / src / boost / boost / geometry / strategies / spherical / envelope.hpp

diff --git a/ceph/src/boost/boost/geometry/strategies/spherical/envelope.hpp b/ceph/src/boost/boost/geometry/strategies/spherical/envelope.hpp
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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2015 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2015 Mateusz Loskot, London, UK.
+
+// This file was modified by Oracle on 2015, 2016, 2018, 2019.
+// Modifications copyright (c) 2015-2019, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Vissarion Fysikopoulos, on behalf of Oracle
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Parts of Boost.Geometry are redesigned from Geodan's Geographic Library
+// (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands.
+
+// Distributed under 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_STRATEGIES_SPHERICAL_ENVELOPE_HPP
+#define BOOST_GEOMETRY_STRATEGIES_SPHERICAL_ENVELOPE_HPP
+
+#include <boost/geometry/algorithms/detail/envelope/initialize.hpp>
+#include <boost/geometry/algorithms/detail/envelope/range_of_boxes.hpp>
+
+#include <boost/geometry/iterators/segment_iterator.hpp>
+
+#include <boost/geometry/strategies/spherical/envelope_box.hpp>
+#include <boost/geometry/strategies/spherical/envelope_segment.hpp>
+#include <boost/geometry/strategies/spherical/expand_box.hpp>
+#include <boost/geometry/strategies/spherical/expand_segment.hpp>
+
+namespace boost { namespace geometry
+{
+
+namespace strategy { namespace envelope
+{
+
+template <typename CalculationType = void>
+class spherical
+{
+public:
+    typedef spherical_tag cs_tag;
+
+    typedef spherical_segment<CalculationType> element_envelope_strategy_type;
+    static inline element_envelope_strategy_type get_element_envelope_strategy()
+    {
+        return element_envelope_strategy_type();
+    }
+
+    typedef expand::spherical_segment<CalculationType> element_expand_strategy_type;
+    static inline element_expand_strategy_type get_element_expand_strategy()
+    {
+        return element_expand_strategy_type();
+    }
+
+    typedef strategy::expand::spherical_box box_expand_strategy_type;
+    static inline box_expand_strategy_type get_box_expand_strategy()
+    {
+        return box_expand_strategy_type();
+    }
+
+    // Linestring, Ring, Polygon
+
+    template <typename Range>
+    static inline geometry::segment_iterator<Range const> begin(Range const& range)
+    {
+        return geometry::segments_begin(range);
+    }
+
+    template <typename Range>
+    static inline geometry::segment_iterator<Range const> end(Range const& range)
+    {
+        return geometry::segments_end(range);
+    }
+
+    // MultiLinestring, MultiPolygon
+
+    template <typename Box>
+    struct multi_state
+    {
+        void apply(Box const& single_box)
+        {
+            m_boxes.push_back(single_box);
+        }
+
+        void result(Box & box)
+        {
+            if (!m_boxes.empty())
+            {
+                geometry::detail::envelope::envelope_range_of_boxes::apply(m_boxes, box);
+            }
+            else
+            {
+                geometry::detail::envelope::initialize<Box, 0, dimension<Box>::value>::apply(box);
+            }
+        }
+
+    private:
+        std::vector<Box> m_boxes;
+    };
+
+    // Segment
+
+    template <typename Point1, typename Point2, typename Box>
+    static inline void apply(Point1 const& point1, Point2 const& point2,
+                             Box& box)
+    {
+        spherical_segment<CalculationType>::apply(point1, point2, box);
+    }
+
+    // Box
+
+    template <typename BoxIn, typename Box>
+    static inline void apply(BoxIn const& box_in, Box& box)
+    {
+        spherical_box::apply(box_in, box);
+    }
+};
+
+#ifndef DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+
+namespace services
+{
+
+template <typename Tag, typename CalculationType>
+struct default_strategy<Tag, spherical_equatorial_tag, CalculationType>
+{
+    typedef strategy::envelope::spherical<CalculationType> type;
+};
+
+template <typename Tag, typename CalculationType>
+struct default_strategy<Tag, spherical_polar_tag, CalculationType>
+{
+    typedef strategy::envelope::spherical<CalculationType> type;
+};
+
+}
+
+#endif // DOXYGEN_NO_STRATEGY_SPECIALIZATIONS
+
+
+}} // namespace strategy::envelope
+
+}} //namepsace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGIES_SPHERICAL_ENVELOPE_HPP