Added boost header

test/external/boost/icl/predicates/distinct_equal.hpp

@@ -0,0 +1,32 @@
+/*-----------------------------------------------------------------------------+
+Copyright (c) 2010-2010: Joachim Faulhaber
++------------------------------------------------------------------------------+
+   Distributed under the Boost Software License, Version 1.0.
+      (See accompanying file LICENCE.txt or copy at
+           http://www.boost.org/LICENSE_1_0.txt)
++-----------------------------------------------------------------------------*/
+#ifndef BOOST_ICL_PREDICATES_DISTINCT_EQUAL_HPP_JOFA_101102
+#define BOOST_ICL_PREDICATES_DISTINCT_EQUAL_HPP_JOFA_101102
+
+#include <boost/icl/type_traits/predicate.hpp>
+#include <boost/icl/type_traits/type_to_string.hpp>
+
+namespace boost{namespace icl
+{
+    template <class Type> 
+    struct distinct_equal : public relation<Type,Type>
+    {
+        bool operator()(const Type& lhs, const Type& rhs)const
+        {
+            return is_distinct_equal(lhs, rhs);
+        }
+    };
+
+    template<>
+    inline std::string unary_template_to_string<icl::distinct_equal>::apply()  
+    { return "==/0"; }
+
+}} // namespace icl boost
+
+#endif
+