Added thirdparty: boost library

2026-08-16 20:28:09 +00:00 · 2024-01-06 19:55:56 +02:00
parent bf49f439e1
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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.
+// Copyright (c) 2014-2015 Samuel Debionne, Grenoble, France.
+
+// This file was modified by Oracle on 2015, 2016, 2017, 2018.
+// Modifications copyright (c) 2015-2018, 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_EXPAND_INDEXED_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_INDEXED_HPP
+
+#include <cstddef>
+#include <functional>
+
+#include <boost/geometry/core/access.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+#include <boost/geometry/util/select_coordinate_type.hpp>
+
+#include <boost/geometry/algorithms/dispatch/expand.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace expand
+{
+
+
+template
+<
+    std::size_t Index,
+    std::size_t Dimension, std::size_t DimensionCount
+>
+struct indexed_loop
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box& box, Geometry const& source)
+    {
+        typedef typename select_coordinate_type
+                <
+                    Box,
+                    Geometry
+                >::type coordinate_type;
+
+        coordinate_type const coord = get<Index, Dimension>(source);
+
+        std::less<coordinate_type> less;
+        std::greater<coordinate_type> greater;
+
+        if (less(coord, get<min_corner, Dimension>(box)))
+        {
+            set<min_corner, Dimension>(box, coord);
+        }
+
+        if (greater(coord, get<max_corner, Dimension>(box)))
+        {
+            set<max_corner, Dimension>(box, coord);
+        }
+
+        indexed_loop
+            <
+                Index, Dimension + 1, DimensionCount
+            >::apply(box, source);
+    }
+};
+
+
+template <std::size_t Index, std::size_t DimensionCount>
+struct indexed_loop
+    <
+        Index, DimensionCount, DimensionCount
+    >
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box&, Geometry const&) {}
+};
+
+
+
+// Changes a box such that the other box is also contained by the box
+template <std::size_t Dimension, std::size_t DimensionCount>
+struct expand_indexed
+{
+    template <typename Box, typename Geometry>
+    static inline void apply(Box& box, Geometry const& geometry)
+    {
+        indexed_loop
+            <
+                0, Dimension, DimensionCount
+            >::apply(box, geometry);
+
+        indexed_loop
+            <
+                1, Dimension, DimensionCount
+            >::apply(box, geometry);
+    }
+};
+
+
+}} // namespace detail::expand
+#endif // DOXYGEN_NO_DETAIL
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_EXPAND_INDEXED_HPP