Added boost header

test/external/boost/mpl/max_element.hpp

@@ -0,0 +1,72 @@
+
+#ifndef BOOST_MPL_MAX_ELEMENT_HPP_INCLUDED
+#define BOOST_MPL_MAX_ELEMENT_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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: max_element.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/less.hpp>
+#include <boost/mpl/iter_fold.hpp>
+#include <boost/mpl/begin_end.hpp>
+#include <boost/mpl/if.hpp>
+#include <boost/mpl/deref.hpp>
+#include <boost/mpl/apply.hpp>
+#include <boost/mpl/aux_/common_name_wknd.hpp>
+#include <boost/mpl/aux_/na_spec.hpp>
+
+namespace boost { namespace mpl {
+
+BOOST_MPL_AUX_COMMON_NAME_WKND(max_element)
+
+namespace aux {
+
+template< typename Predicate >
+struct select_max
+{
+    template< typename OldIterator, typename Iterator >
+    struct apply
+    {
+        typedef typename apply2<
+              Predicate
+            , typename deref<OldIterator>::type
+            , typename deref<Iterator>::type
+            >::type condition_;
+
+        typedef typename if_<
+              condition_
+            , Iterator
+            , OldIterator
+            >::type type;
+    };
+};
+
+} // namespace aux 
+
+
+template<
+      typename BOOST_MPL_AUX_NA_PARAM(Sequence)
+    , typename Predicate = less<_,_>
+    >
+struct max_element
+    : iter_fold<
+          Sequence
+        , typename begin<Sequence>::type
+        , protect< aux::select_max<Predicate> >
+        >
+{
+};
+
+BOOST_MPL_AUX_NA_SPEC(1, max_element)
+
+}}
+
+#endif // BOOST_MPL_MAX_ELEMENT_HPP_INCLUDED