Added boost header

test/external/boost/thread/detail/force_cast.hpp

@@ -0,0 +1,39 @@
+// Copyright (C) 2001-2003
+// Mac Murrett
+//
+// Distributed under 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 http://www.boost.org for most recent version including documentation.
+
+#ifndef BOOST_FORCE_CAST_MJM012402_HPP
+#define BOOST_FORCE_CAST_MJM012402_HPP
+
+#include <boost/thread/detail/config.hpp>
+
+namespace boost {
+namespace detail {
+namespace thread {
+
+// force_cast will convert anything to anything.
+
+// general case
+template<class Return_Type, class Argument_Type>
+inline Return_Type &force_cast(Argument_Type &rSrc)
+{
+    return(*reinterpret_cast<Return_Type *>(&rSrc));
+}
+
+// specialization for const
+template<class Return_Type, class Argument_Type>
+inline const Return_Type &force_cast(const Argument_Type &rSrc)
+{
+    return(*reinterpret_cast<const Return_Type *>(&rSrc));
+}
+
+} // namespace thread
+} // namespace detail
+} // namespace boost
+
+#endif // BOOST_FORCE_CAST_MJM012402_HPP