update ceph source to reef 18.1.2

[ceph.git] / ceph / src / boost / boost / geometry / algorithms / detail / select_geometry_type.hpp

diff --git a/ceph/src/boost/boost/geometry/algorithms/detail/select_geometry_type.hpp b/ceph/src/boost/boost/geometry/algorithms/detail/select_geometry_type.hpp
new file mode 100644 (file)
index 0000000..5592fa5
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+++ b/ceph/src/boost/boost/geometry/algorithms/detail/select_geometry_type.hpp
@@ -0,0 +1,142 @@
+// 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_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP
+
+#include <boost/geometry/core/geometry_types.hpp>
+#include <boost/geometry/core/static_assert.hpp>
+#include <boost/geometry/core/tag.hpp>
+#include <boost/geometry/core/tags.hpp>
+#include <boost/geometry/util/sequence.hpp>
+#include <boost/geometry/util/type_traits.hpp>
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail
+{
+
+
+template <typename Geometry, typename Tag = typename tag<Geometry>::type>
+struct first_geometry_type
+{
+    using type = Geometry;
+};
+
+template <typename Geometry>
+struct first_geometry_type<Geometry, geometry_collection_tag>
+{
+    template <typename T>
+    using pred = util::bool_constant
+        <
+            ! util::is_dynamic_geometry<T>::value
+            && ! util::is_geometry_collection<T>::value
+        >;
+
+    using type = typename util::sequence_find_if
+        <
+            typename traits::geometry_types<Geometry>::type,
+            pred
+        >::type;
+};
+
+template <typename Geometry>
+struct first_geometry_type<Geometry, dynamic_geometry_tag>
+    : first_geometry_type<Geometry, geometry_collection_tag>
+{};
+
+
+template
+<
+    typename Geometry,
+    bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry>::value
+                              || util::is_geometry_collection<Geometry>::value
+>
+struct geometry_types
+{
+    using type = util::type_sequence<std::remove_const_t<Geometry>>;
+};
+
+template <typename Geometry>
+struct geometry_types<Geometry, true>
+{
+    using type = typename traits::geometry_types<std::remove_const_t<Geometry>>::type;
+};
+
+
+template
+<
+    typename Geometry,
+    template <typename, typename> class LessPred,
+    bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry>::value
+                              || util::is_geometry_collection<Geometry>::value
+>
+struct select_geometry_type
+{
+    using type = Geometry;
+};
+
+template
+<
+    typename Geometry,
+    template <typename, typename> class LessPred
+>
+struct select_geometry_type<Geometry, LessPred, true>
+    : util::sequence_min_element
+        <
+            typename traits::geometry_types<std::remove_const_t<Geometry>>::type,
+            LessPred
+        >
+{};
+
+
+template
+<
+    typename Geometry1, typename Geometry2,
+    template <typename, typename> class LessPred,
+    bool IsDynamicOrCollection = util::is_dynamic_geometry<Geometry1>::value
+                              || util::is_dynamic_geometry<Geometry2>::value
+                              || util::is_geometry_collection<Geometry1>::value
+                              || util::is_geometry_collection<Geometry2>::value
+>
+struct select_geometry_types
+{
+    using type = util::type_sequence
+        <
+            std::remove_const_t<Geometry1>,
+            std::remove_const_t<Geometry2>
+        >;
+};
+
+template
+<
+    typename Geometry1, typename Geometry2,
+    template <typename, typename> class LessPred
+>
+struct select_geometry_types<Geometry1, Geometry2, LessPred, true>
+    : util::sequence_min_element
+        <
+            typename util::sequence_combine
+                <
+                    typename geometry_types<Geometry1>::type,
+                    typename geometry_types<Geometry2>::type
+                >::type,
+            LessPred
+        >
+{};
+
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_DETAIL_SELECT_GEOMETRY_TYPE_HPP