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diff --git a/boost/geometry/algorithms/num_segments.hpp b/boost/geometry/algorithms/num_segments.hpp
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+++ b/boost/geometry/algorithms/num_segments.hpp
@@ -0,0 +1,204 @@
+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2014, Oracle and/or its affiliates.
+
+// Contributed and/or modified by Menelaos Karavelas, on behalf of Oracle
+
+// Licensed under the Boost Software License version 1.0.
+// http://www.boost.org/users/license.html
+
+#ifndef BOOST_GEOMETRY_ALGORITHMS_NUM_SEGMENTS_HPP
+#define BOOST_GEOMETRY_ALGORITHMS_NUM_SEGMENTS_HPP
+
+#include <cstddef>
+
+#include <boost/mpl/size_t.hpp>
+#include <boost/mpl/times.hpp>
+
+#include <boost/range.hpp>
+
+#include <boost/variant/static_visitor.hpp>
+#include <boost/variant/apply_visitor.hpp>
+#include <boost/variant/variant_fwd.hpp>
+
+#include <boost/geometry/core/closure.hpp>
+#include <boost/geometry/core/tag.hpp>
+#include <boost/geometry/core/tags.hpp>
+
+#include <boost/geometry/util/range.hpp>
+
+#include <boost/geometry/geometries/concepts/check.hpp>
+
+#include <boost/geometry/algorithms/not_implemented.hpp>
+
+#include <boost/geometry/algorithms/detail/counting.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+namespace detail { namespace num_segments
+{
+
+
+struct range_count
+{
+    template <typename Range>
+    static inline std::size_t apply(Range const& range)
+    {
+        std::size_t n = boost::size(range);
+        if ( n <= 1 )
+        {
+            return 0;
+        }
+
+        return
+            geometry::closure<Range>::value == open
+            ?
+            n
+            :
+            static_cast<std::size_t>(n - 1);
+    }
+};
+
+}} // namespace detail::num_segments
+#endif // DOXYGEN_NO_DETAIL
+
+
+
+#ifndef DOXYGEN_NO_DISPATCH
+namespace dispatch
+{
+
+template <typename Geometry, typename Tag = typename tag<Geometry>::type>
+struct num_segments
+    : not_implemented<Tag>
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, point_tag>
+    : detail::counting::other_count<0>
+{};
+
+// the number of segments (1-dimensional faces) of the hypercube is
+// given by the formula: d * 2^(d-1), where d is the dimension of the
+// hypercube; see also:
+//            http://en.wikipedia.org/wiki/Hypercube
+template <typename Geometry>
+struct num_segments<Geometry, box_tag>
+    : detail::counting::other_count
+        <
+            geometry::dimension<Geometry>::value
+            * (1 << (geometry::dimension<Geometry>::value - 1))
+        >
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, segment_tag>
+    : detail::counting::other_count<1>
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, linestring_tag>
+    : detail::num_segments::range_count
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, ring_tag>
+    : detail::num_segments::range_count
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, polygon_tag>
+    : detail::counting::polygon_count<detail::num_segments::range_count>
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, multi_point_tag>
+    : detail::counting::other_count<0>
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, multi_linestring_tag>
+    : detail::counting::multi_count
+        <
+            num_segments< typename boost::range_value<Geometry>::type>
+        >
+{};
+
+template <typename Geometry>
+struct num_segments<Geometry, multi_polygon_tag>
+    : detail::counting::multi_count
+        <
+            num_segments< typename boost::range_value<Geometry>::type>
+        >
+{};
+
+
+} // namespace dispatch
+#endif // DOXYGEN_NO_DISPATCH
+
+
+
+namespace resolve_variant
+{
+
+
+template <typename Geometry>
+struct num_segments
+{
+    static inline std::size_t apply(Geometry const& geometry)
+    {
+        concept::check<Geometry const>();
+
+        return dispatch::num_segments<Geometry>::apply(geometry);
+    }
+};
+
+
+template <BOOST_VARIANT_ENUM_PARAMS(typename T)>
+struct num_segments<boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> >
+{
+    struct visitor: boost::static_visitor<std::size_t>
+    {
+        template <typename Geometry>
+        inline std::size_t operator()(Geometry const& geometry) const
+        {
+            return num_segments<Geometry>::apply(geometry);
+        }
+    };
+
+    static inline std::size_t
+    apply(boost::variant<BOOST_VARIANT_ENUM_PARAMS(T)> const& geometry)
+    {
+        return boost::apply_visitor(visitor(), geometry);
+    }
+};
+
+
+} // namespace resolve_variant
+
+
+
+/*!
+\brief \brief_calc{number of segments}
+\ingroup num_segments
+\details \details_calc{num_segments, number of segments}.
+\tparam Geometry \tparam_geometry
+\param geometry \param_geometry
+\return \return_calc{number of segments}
+
+\qbk{[include reference/algorithms/num_segments.qbk]}
+*/
+template <typename Geometry>
+inline std::size_t num_segments(Geometry const& geometry)
+{
+    return resolve_variant::num_segments<Geometry>::apply(geometry);
+}
+
+
+
+}} // namespace boost::geometry
+
+#endif // BOOST_GEOMETRY_ALGORITHMS_NUM_SEGMENTS_HPP