Added thirdparty: boost library

thirdparty/include/boost/geometry/algorithms/num_points.hpp

@@ -0,0 +1,216 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2014 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2008-2014 Bruno Lalande, Paris, France.
+// Copyright (c) 2009-2014 Mateusz Loskot, London, UK.
+// Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
+
+// This file was modified by Oracle on 2014-2021.
+// Modifications copyright (c) 2014-2021, Oracle and/or its affiliates.
+
+// 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.
+
+// 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_ALGORITHMS_NUM_POINTS_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_NUM_POINTS_HPP
+
+#include <cstddef>
+
+#include <boost/range/size.hpp>
+#include <boost/range/value_type.hpp>
+
+#include <boost/geometry/algorithms/detail/counting.hpp>
+#include <boost/geometry/algorithms/detail/visit.hpp>
+#include <boost/geometry/algorithms/not_implemented.hpp>
+
+#include <boost/geometry/core/closure.hpp>
+#include <boost/geometry/core/coordinate_dimension.hpp>
+#include <boost/geometry/core/tag_cast.hpp>
+#include <boost/geometry/core/tags.hpp>
+#include <boost/geometry/core/visit.hpp>
+
+#include <boost/geometry/geometries/adapted/boost_variant.hpp> // For backward compatibility
+#include <boost/geometry/geometries/concepts/check.hpp>
+
+#include <boost/geometry/util/type_traits_std.hpp>
+
+namespace boost { namespace geometry
+{
+
+// Silence warning C4127: conditional expression is constant
+#if defined(_MSC_VER)
+#pragma warning(push)
+#pragma warning(disable : 4127)
+#endif
+
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace num_points
+{
+
+
+template <bool AddForOpen>
+struct range_count
+{
+    template <typename Range>
+    static inline std::size_t apply(Range const& range)
+    {
+        std::size_t n = boost::size(range);
+        if (AddForOpen
+            && n > 0
+            && geometry::closure<Range>::value == open
+            )
+        {
+            return n + 1;
+        }
+        return n;
+    }
+};
+
+}} // namespace detail::num_points
+#endif // DOXYGEN_NO_DETAIL
+
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+template
+<
+    typename Geometry,
+    bool AddForOpen,
+    typename Tag = typename tag_cast
+        <
+            typename tag<Geometry>::type, multi_tag
+        >::type
+>
+struct num_points: not_implemented<Tag>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, point_tag>
+    : detail::counting::other_count<1>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, box_tag>
+    : detail::counting::other_count<(1 << geometry::dimension<Geometry>::value)>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, segment_tag>
+    : detail::counting::other_count<2>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, linestring_tag>
+    : detail::num_points::range_count<AddForOpen>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, ring_tag>
+    : detail::num_points::range_count<AddForOpen>
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, polygon_tag>
+    : detail::counting::polygon_count
+        <
+            detail::num_points::range_count<AddForOpen>
+        >
+{};
+
+template <typename Geometry, bool AddForOpen>
+struct num_points<Geometry, AddForOpen, multi_tag>
+    : detail::counting::multi_count
+        <
+            num_points<typename boost::range_value<Geometry>::type, AddForOpen>
+        >
+{};
+
+} // namespace dispatch
+#endif
+
+
+namespace resolve_dynamic
+{
+
+template <typename Geometry, typename Tag = typename tag<Geometry>::type>
+struct num_points
+{
+    static inline std::size_t apply(Geometry const& geometry, bool add_for_open)
+    {
+        concepts::check<Geometry const>();
+
+        return add_for_open
+             ? dispatch::num_points<Geometry, true>::apply(geometry)
+             : dispatch::num_points<Geometry, false>::apply(geometry);
+    }
+};
+
+template <typename Geometry>
+struct num_points<Geometry, dynamic_geometry_tag>
+{
+    static inline std::size_t apply(Geometry const& geometry, bool add_for_open)
+    {
+        std::size_t result = 0;
+        traits::visit<Geometry>::apply([&](auto const& g)
+        {
+            result = num_points<util::remove_cref_t<decltype(g)>>::apply(g, add_for_open);
+        }, geometry);
+        return result;
+    }
+};
+
+
+template <typename Geometry>
+struct num_points<Geometry, geometry_collection_tag>
+{
+    static inline std::size_t apply(Geometry const& geometry, bool add_for_open)
+    {
+        std::size_t result = 0;
+        detail::visit_breadth_first([&](auto const& g)
+        {
+            result += num_points<util::remove_cref_t<decltype(g)>>::apply(g, add_for_open);
+            return true;
+        }, geometry);
+        return result;
+    }
+};
+
+
+} // namespace resolve_dynamic
+
+
+/*!
+\brief \brief_calc{number of points}
+\ingroup num_points
+\details \details_calc{num_points, number of points}.
+\tparam Geometry \tparam_geometry
+\param geometry \param_geometry
+\param add_for_open add one for open geometries (i.e. polygon types which are not closed)
+\return \return_calc{number of points}
+
+\qbk{[include reference/algorithms/num_points.qbk]}
+*/
+template <typename Geometry>
+inline std::size_t num_points(Geometry const& geometry, bool add_for_open = false)
+{
+    return resolve_dynamic::num_points<Geometry>::apply(geometry, add_for_open);
+}
+
+#if defined(_MSC_VER)
+#pragma warning(pop)
+#endif
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_NUM_POINTS_HPP