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+
+// (C) Copyright Dave Abrahams, Steve Cleary, Beman Dawes,
+// Howard Hinnant and John Maddock 2000.
+// (C) Copyright Mat Marcus, Jesse Jones and Adobe Systems Inc 2001
+
+// Use, modification and distribution are 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 http://www.boost.org/libs/type_traits for most recent version including documentation.
+
+// Fixed is_pointer, is_reference, is_const, is_volatile, is_same,
+// is_member_pointer based on the Simulated Partial Specialization work
+// of Mat Marcus and Jesse Jones. See http://opensource.adobe.com or
+// http://groups.yahoo.com/group/boost/message/5441
+// Some workarounds in here use ideas suggested from "Generic<Programming>:
+// Mappings between Types and Values"
+// by Andrei Alexandrescu (see http://www.cuj.com/experts/1810/alexandr.html).
+
+
+#ifndef BOOST_TT_IS_SAME_HPP_INCLUDED
+#define BOOST_TT_IS_SAME_HPP_INCLUDED
+
+#include <cutl/details/boost/type_traits/config.hpp>
+#ifdef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+#include <cutl/details/boost/type_traits/detail/yes_no_type.hpp>
+#include <cutl/details/boost/type_traits/detail/ice_and.hpp>
+#include <cutl/details/boost/type_traits/is_reference.hpp>
+#endif
+// should be the last #include
+#include <cutl/details/boost/type_traits/detail/bool_trait_def.hpp>
+
+namespace cutl_details_boost {
+
+#ifndef BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF2(is_same,T,U,false)
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(typename T,is_same,T,T,true)
+#if BOOST_WORKAROUND(__BORLANDC__, < 0x600)
+// without this, Borland's compiler gives the wrong answer for
+// references to arrays:
+BOOST_TT_AUX_BOOL_TRAIT_PARTIAL_SPEC2_1(typename T,is_same,T&,T&,true)
+#endif
+
+#else // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+namespace detail {
+
+#ifdef BOOST_MSVC
+// the following VC6 specific implementation is *NOT* legal
+// C++, but has the advantage that it works for incomplete
+// types.
+
+template< typename T1 >
+struct is_same_part_1
+{
+ template<typename T2> struct part_2 { enum { value = false }; };
+ template<> struct part_2<T1> { enum { value = true }; };
+};
+
+template< typename T1, typename T2 >
+struct is_same_impl
+{
+ enum { value = cutl_details_boost::detail::is_same_part_1<T1>::template part_2<T2>::value };
+};
+
+#else // generic "no-partial-specialization" version
+
+template <typename T>
+::cutl_details_boost::type_traits::yes_type
+BOOST_TT_DECL is_same_tester(T*, T*);
+
+::cutl_details_boost::type_traits::no_type
+BOOST_TT_DECL is_same_tester(...);
+
+template <typename T, typename U>
+struct is_same_impl
+{
+ static T t;
+ static U u;
+
+ BOOST_STATIC_CONSTANT(bool, value =
+ (::cutl_details_boost::type_traits::ice_and<
+ (sizeof(type_traits::yes_type) == sizeof(cutl_details_boost::detail::is_same_tester(&t,&u))),
+ (::cutl_details_boost::is_reference<T>::value == ::cutl_details_boost::is_reference<U>::value),
+ (sizeof(T) == sizeof(U))
+ >::value));
+};
+
+#endif // BOOST_MSVC
+
+} // namespace detail
+
+BOOST_TT_AUX_BOOL_TRAIT_DEF2(is_same,T,U,(::cutl_details_boost::detail::is_same_impl<T,U>::value))
+
+#endif // BOOST_NO_TEMPLATE_PARTIAL_SPECIALIZATION
+
+} // namespace cutl_details_boost
+
+#include <cutl/details/boost/type_traits/detail/bool_trait_undef.hpp>
+
+#endif // BOOST_TT_IS_SAME_HPP_INCLUDED
+