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diff --git a/boost/accumulators/statistics/max.hpp b/boost/accumulators/statistics/max.hpp
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+///////////////////////////////////////////////////////////////////////////////
+// max.hpp
+//
+//  Copyright 2005 Eric Niebler. 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)
+
+#ifndef BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005
+#define BOOST_ACCUMULATORS_STATISTICS_MAX_HPP_EAN_28_10_2005
+
+#include <limits>
+#include <boost/mpl/placeholders.hpp>
+#include <boost/accumulators/framework/accumulator_base.hpp>
+#include <boost/accumulators/framework/extractor.hpp>
+#include <boost/accumulators/framework/parameters/sample.hpp>
+#include <boost/accumulators/numeric/functional.hpp>
+#include <boost/accumulators/framework/depends_on.hpp>
+#include <boost/accumulators/statistics_fwd.hpp>
+
+namespace boost { namespace accumulators
+{
+
+namespace impl
+{
+    ///////////////////////////////////////////////////////////////////////////////
+    // max_impl
+    template<typename Sample>
+    struct max_impl
+      : accumulator_base
+    {
+        // for boost::result_of
+        typedef Sample result_type;
+
+        template<typename Args>
+        max_impl(Args const &args)
+          : max_(numeric::as_min(args[sample | Sample()]))
+        {
+        }
+
+        template<typename Args>
+        void operator ()(Args const &args)
+        {
+            numeric::max_assign(this->max_, args[sample]);
+        }
+
+        result_type result(dont_care) const
+        {
+            return this->max_;
+        }
+
+    private:
+        Sample max_;
+    };
+
+} // namespace impl
+
+///////////////////////////////////////////////////////////////////////////////
+// tag::max
+//
+namespace tag
+{
+    struct max
+      : depends_on<>
+    {
+        /// INTERNAL ONLY
+        ///
+        typedef accumulators::impl::max_impl<mpl::_1> impl;
+    };
+}
+
+///////////////////////////////////////////////////////////////////////////////
+// extract::max
+//
+namespace extract
+{
+    extractor<tag::max> const max = {};
+
+    BOOST_ACCUMULATORS_IGNORE_GLOBAL(max)
+}
+
+using extract::max;
+
+}} // namespace boost::accumulators
+
+#endif