--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/mpl/unique.hpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,85 @@
+
+#ifndef BOOST_MPL_UNIQUE_HPP_INCLUDED
+#define BOOST_MPL_UNIQUE_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+// Copyright John R. Bandela 2000-2002
+//
+// 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/libs/mpl for documentation.
+
+// $Id: unique.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <boost/mpl/fold.hpp>
+#include <boost/mpl/reverse_fold.hpp>
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/and.hpp>
+#include <boost/mpl/identity.hpp>
+#include <boost/mpl/pair.hpp>
+#include <boost/mpl/apply.hpp>
+#include <boost/mpl/aux_/inserter_algorithm.hpp>
+#include <boost/mpl/aux_/na.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_spec.hpp>
+
+namespace boost { namespace mpl {
+
+namespace aux {
+
+template< typename Predicate, typename Operation >
+struct unique_op
+{
+    template< typename Pair, typename T > struct apply
+    {
+        typedef typename Pair::first seq_;
+        typedef typename Pair::second prior_;
+        typedef typename eval_if<
+              and_< is_not_na<prior_>, apply2<Predicate,prior_,T> >
+            , identity<seq_>
+            , apply2<Operation,seq_,T>
+            >::type new_seq_;
+
+        typedef pair<new_seq_,T> type;
+    };
+};
+
+template<
+      typename Sequence
+    , typename Predicate
+    , typename Inserter
+    >
+struct unique_impl
+    : first< typename fold<
+          Sequence
+        , pair< typename Inserter::state,na >
+        , protect< aux::unique_op<Predicate,typename Inserter::operation> >
+        >::type >
+{
+};
+
+template<
+      typename Sequence
+    , typename Predicate
+    , typename Inserter
+    >
+struct reverse_unique_impl
+    : first< typename reverse_fold<
+          Sequence
+        , pair< typename Inserter::state,na >
+        , protect< aux::unique_op<Predicate,typename Inserter::operation> >
+        >::type >
+{
+};
+
+} // namespace aux
+
+BOOST_MPL_AUX_INSERTER_ALGORITHM_DEF(3, unique)
+
+}}
+
+#endif // BOOST_MPL_UNIQUE_HPP_INCLUDED