diff --git a/ndnboost/numeric/conversion/cast.hpp b/ndnboost/numeric/conversion/cast.hpp
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+//  (c) Copyright Fernando Luis Cacciola Carballal 2000-2004
+//  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)
+
+//  See library home page at http://www.boost.org/libs/numeric/conversion
+//
+// Contact the author at: fernando_cacciola@hotmail.com
+//
+//
+//  Revision History
+//
+//    19 Nov 2001 Syntatic changes as suggested by Darin Adler (Fernando Cacciola)
+//    08 Nov 2001 Fixes to accommodate MSVC (Fernando Cacciola)
+//    04 Nov 2001 Fixes to accommodate gcc2.92 (Fernando Cacciola)
+//    30 Oct 2001 Some fixes suggested by Daryle Walker (Fernando Cacciola)
+//    25 Oct 2001 Initial boostification (Fernando Cacciola)
+//    23 Jan 2004 Inital add to cvs (post review)s
+//    22 Jun 2011 Added support for specializing cast policies via numeric_cast_traits (Brandon Kohn).
+//
+#ifndef BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP
+#define BOOST_NUMERIC_CONVERSION_CAST_25OCT2001_HPP
+
+#include <ndnboost/detail/workaround.hpp>
+
+#if BOOST_WORKAROUND(BOOST_MSVC, < 1300) || BOOST_WORKAROUND(__BORLANDC__, BOOST_TESTED_AT(0x582))
+
+#  include<ndnboost/numeric/conversion/detail/old_numeric_cast.hpp>
+
+#else
+
+#include <ndnboost/type.hpp>
+#include <ndnboost/numeric/conversion/converter.hpp>
+#include <ndnboost/numeric/conversion/numeric_cast_traits.hpp>
+
+namespace ndnboost
+{
+    template <typename Target, typename Source> 
+    inline Target numeric_cast( Source arg )
+    {
+        typedef numeric::conversion_traits<Target, Source>   conv_traits;
+        typedef numeric::numeric_cast_traits<Target, Source> cast_traits;
+        typedef ndnboost::numeric::converter
+            <
+                Target,
+                Source, 
+                conv_traits,
+                typename cast_traits::overflow_policy, 
+                typename cast_traits::rounding_policy, 
+                ndnboost::numeric::raw_converter< conv_traits >,
+                typename cast_traits::range_checking_policy
+            > converter;
+        return converter::convert(arg);
+    }
+    
+    using numeric::bad_numeric_cast;
+} // namespace ndnboost
+
+#endif
+
+#endif