--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/boostlibrary/boost/mpl/iter_fold_if.hpp	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,117 @@
+
+#ifndef BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED
+#define BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2003-2004
+// Copyright Eric Friedman 2003
+//
+// 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: iter_fold_if.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/begin_end.hpp>
+#include <boost/mpl/logical.hpp>
+#include <boost/mpl/always.hpp>
+#include <boost/mpl/eval_if.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/pair.hpp>
+#include <boost/mpl/apply.hpp>
+#include <boost/mpl/aux_/iter_fold_if_impl.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+#include <boost/mpl/aux_/lambda_support.hpp>
+#include <boost/mpl/aux_/config/forwarding.hpp>
+#include <boost/mpl/aux_/config/workaround.hpp>
+
+#include <boost/type_traits/is_same.hpp>
+
+namespace boost { namespace mpl {
+
+namespace aux {
+
+template< typename Predicate, typename LastIterator >
+struct iter_fold_if_pred
+{
+    template< typename State, typename Iterator > struct apply
+#if !defined(BOOST_MPL_CFG_NO_NESTED_FORWARDING)
+        : and_<
+              not_< is_same<Iterator,LastIterator> >
+            , apply1<Predicate,Iterator>
+            >
+    {
+#else
+    {
+        typedef and_<
+              not_< is_same<Iterator,LastIterator> >
+            , apply1<Predicate,Iterator>
+            > type;
+#endif
+    };
+};
+
+} // namespace aux
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
+    , typename BOOST_MPL_AUX_NA_PARAM(State)
+    , typename BOOST_MPL_AUX_NA_PARAM(ForwardOp)
+    , typename BOOST_MPL_AUX_NA_PARAM(ForwardPredicate)
+    , typename BOOST_MPL_AUX_NA_PARAM(BackwardOp)
+    , typename BOOST_MPL_AUX_NA_PARAM(BackwardPredicate)
+    >
+struct iter_fold_if
+{
+
+    typedef typename begin<Sequence>::type first_;
+    typedef typename end<Sequence>::type last_;
+
+    typedef typename eval_if<
+          is_na<BackwardPredicate>
+        , if_< is_na<BackwardOp>, always<false_>, always<true_> >
+        , identity<BackwardPredicate>
+        >::type backward_pred_;
+
+// cwpro8 doesn't like 'cut-off' type here (use typedef instead)
+#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
+    struct result_ :
+#else
+    typedef
+#endif
+        aux::iter_fold_if_impl<
+          first_
+        , State
+        , ForwardOp
+        , protect< aux::iter_fold_if_pred< ForwardPredicate,last_ > >
+        , BackwardOp
+        , backward_pred_
+        >
+#if !BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3003)) && !BOOST_WORKAROUND(__IBMCPP__, BOOST_TESTED_AT(600))
+    { };
+#else
+    result_;
+#endif
+
+public:
+
+    typedef pair<
+          typename result_::state
+        , typename result_::iterator
+        > type;
+
+    BOOST_MPL_AUX_LAMBDA_SUPPORT(
+          6
+        , iter_fold_if
+        , (Sequence,State,ForwardOp,ForwardPredicate,BackwardOp,BackwardPredicate)
+        )
+};
+
+BOOST_MPL_AUX_NA_SPEC(6, iter_fold_if)
+
+}}
+
+#endif // BOOST_MPL_ITER_FOLD_IF_HPP_INCLUDED