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diff --git a/boost/geometry/policies/robustness/robust_type.hpp b/boost/geometry/policies/robustness/robust_type.hpp
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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2014 Barend Gehrels, Amsterdam, the Netherlands.
+// Copyright (c) 2014 Bruno Lalande, Paris, France.
+// Copyright (c) 2014 Mateusz Loskot, London, UK.
+// Copyright (c) 2014 Adam Wulkiewicz, Lodz, Poland.
+
+// 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_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP
+#define BOOST_GEOMETRY_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP
+
+
+#include <boost/type_traits.hpp>
+#include <boost/config.hpp>
+
+
+namespace boost { namespace geometry
+{
+
+#ifndef DOXYGEN_NO_DETAIL
+
+namespace detail_dispatch
+{
+
+template <typename CoordinateType, typename IsFloatingPoint>
+struct robust_type
+{
+};
+
+template <typename CoordinateType>
+struct robust_type<CoordinateType, boost::false_type>
+{
+    typedef CoordinateType type;
+};
+
+template <typename CoordinateType>
+struct robust_type<CoordinateType, boost::true_type>
+{
+    typedef boost::long_long_type type;
+};
+
+} // namespace detail_dispatch
+
+namespace detail
+{
+
+template <typename CoordinateType>
+struct robust_type
+{
+    typedef typename detail_dispatch::robust_type
+        <
+            CoordinateType,
+            typename boost::is_floating_point<CoordinateType>::type
+        >::type type;
+};
+
+} // namespace detail
+#endif // DOXYGEN_NO_DETAIL
+
+
+}} // namespace boost::geometry
+
+
+#endif // BOOST_GEOMETRY_POLICIES_ROBUSTNESS_ROBUST_TYPE_HPP