update boost

linx64/include/boost/geometry/strategy/cartesian/envelope_range.hpp

@@ -0,0 +1,56 @@
+// Boost.Geometry
+
+// Copyright (c) 2021, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Licensed under the Boost Software License version 1.0.
+// http://www.boost.org/users/license.html
+
+#ifndef BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP
+#define BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP
+
+#include <boost/range/begin.hpp>
+#include <boost/range/end.hpp>
+
+#include <boost/geometry/algorithms/detail/envelope/initialize.hpp>
+#include <boost/geometry/strategy/cartesian/envelope_point.hpp>
+#include <boost/geometry/strategy/cartesian/expand_point.hpp>
+
+namespace boost { namespace geometry
+{
+
+namespace strategy { namespace envelope
+{
+
+class cartesian_range
+{
+public:
+    template <typename Range, typename Box>
+    static inline void apply(Range const& range, Box& mbr)
+    {
+        auto it = boost::begin(range);
+        auto const end = boost::end(range);
+        if (it == end)
+        {
+            // initialize box (assign inverse)
+            geometry::detail::envelope::initialize<Box>::apply(mbr);
+            return;
+        }
+
+        // initialize box with the first point
+        envelope::cartesian_point::apply(*it, mbr);
+
+        // consider now the remaining points in the range (if any)
+        for (++it; it != end; ++it)
+        {
+            expand::cartesian_point::apply(mbr, *it);
+        }
+    }
+};
+
+}} // namespace strategy::envelope
+
+}} //namepsace boost::geometry
+
+#endif // BOOST_GEOMETRY_STRATEGY_CARTESIAN_ENVELOPE_RANGE_HPP