Initial move from Spirit CVS

[SVN r34896]

include/boost/fusion/sequence/comparison/not_equal_to.hpp

@@ -0,0 +1,52 @@
+/*=============================================================================
+    Copyright (c) 1999-2003 Jaakko J<>rvi
+    Copyright (c) 2001-2006 Joel de Guzman
+
+    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)
+==============================================================================*/
+#if !defined(FUSION_NOT_EQUAL_TO_05052005_0431)
+#define FUSION_NOT_EQUAL_TO_05052005_0431
+
+#include <boost/fusion/sequence/intrinsic/begin.hpp>
+#include <boost/fusion/sequence/intrinsic/end.hpp>
+#include <boost/fusion/sequence/intrinsic/size.hpp>
+
+#if defined(FUSION_DIRECT_OPERATOR_USAGE)
+#include <boost/fusion/sequence/comparison/detail/not_equal_to.hpp>
+#else
+#include <boost/fusion/sequence/comparison/equal_to.hpp>
+#endif
+
+#include <boost/fusion/sequence/comparison/detail/enable_comparison.hpp>
+#include <boost/utility/enable_if.hpp>
+
+namespace boost { namespace fusion
+{
+    namespace sequence_operators
+    {
+        template <typename Seq1, typename Seq2>
+        inline typename 
+        enable_if<
+            detail::enable_equality<Seq1, Seq2>
+            , bool
+            >::type
+        operator!=(Seq1 const& a, Seq2 const& b)
+        {
+#if defined(FUSION_DIRECT_OPERATOR_USAGE)
+            return result_of::size<Seq1>::value != result_of::size<Seq2>::value
+                || detail::sequence_not_equal_to<
+                Seq1 const, Seq2 const
+                , result_of::size<Seq1>::value == result_of::size<Seq2>::value>::
+                call(fusion::begin(a), fusion::begin(b));
+#else
+            return !(a == b);
+#endif
+        }
+    }
+
+    using sequence_operators::operator!=;
+}}
+
+#endif