Added thirdparty: boost library

thirdparty/include/boost/geometry/algorithms/detail/envelope/range.hpp

@@ -0,0 +1,98 @@
+// 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 2015-2021.
+// Modifications copyright (c) 2015-2021, 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_ALGORITHMS_DETAIL_ENVELOPE_RANGE_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_RANGE_HPP
+
+#include <iterator>
+#include <vector>
+
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+
+#include <boost/geometry/algorithms/is_empty.hpp>
+#include <boost/geometry/algorithms/detail/dummy_geometries.hpp>
+#include <boost/geometry/algorithms/detail/envelope/initialize.hpp>
+#include <boost/geometry/algorithms/detail/expand/box.hpp>
+#include <boost/geometry/algorithms/detail/expand/point.hpp>
+#include <boost/geometry/algorithms/detail/expand/segment.hpp>
+
+#include <boost/geometry/core/coordinate_dimension.hpp>
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace envelope
+{
+
+
+// implementation for simple ranges
+struct envelope_range
+{
+    template <typename Range, typename Box, typename Strategies>
+    static inline void apply(Range const& range, Box& mbr, Strategies const& strategies)
+    {
+        strategies.envelope(range, mbr).apply(range, mbr);
+    }
+};
+
+
+// implementation for multi-ranges
+template <typename EnvelopePolicy>
+struct envelope_multi_range
+{
+    template <typename MultiRange, typename Box, typename Strategies>
+    static inline void apply(MultiRange const& multirange,
+                             Box& mbr,
+                             Strategies const& strategies)
+    {
+        using strategy_t = decltype(strategies.envelope(multirange, mbr));
+        apply<strategy_t>(multirange, mbr, strategies);
+    }
+
+    template <typename Strategy, typename MultiRange, typename Box, typename Strategies>
+    static inline void apply(MultiRange const& multirange,
+                             Box& mbr,
+                             Strategies const& strategies)
+    {
+        typename Strategy::template state<Box> state;
+        auto const end = boost::end(multirange);
+        for (auto it = boost::begin(multirange); it != end; ++it)
+        {
+            if (! geometry::is_empty(*it))
+            {
+                Box helper_mbr;
+                EnvelopePolicy::apply(*it, helper_mbr, strategies);
+                Strategy::apply(state, helper_mbr);
+            }
+        }
+        Strategy::result(state, mbr);
+    }
+};
+
+
+}} // namespace detail::envelope
+#endif // DOXYGEN_NO_DETAIL
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_ENVELOPE_RANGE_HPP