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+// Boost.Units - A C++ library for zero-overhead dimensional analysis and
+// unit/quantity manipulation and conversion
+//
+// Copyright (C) 2003-2008 Matthias Christian Schabel
+// Copyright (C) 2008 Steven Watanabe
+//
+// 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_UNITS_DETAIL_ONE_HPP
+#define BOOST_UNITS_DETAIL_ONE_HPP
+
+#include <boost/units/operators.hpp>
+
+namespace boost {
+
+namespace units {
+
+struct one { one() {} };
+
+// workaround for pathscale.
+inline one make_one() {
+ one result;
+ return(result);
+}
+
+template<class T>
+struct multiply_typeof_helper<one, T>
+{
+ typedef T type;
+};
+
+template<class T>
+struct multiply_typeof_helper<T, one>
+{
+ typedef T type;
+};
+
+template<>
+struct multiply_typeof_helper<one, one>
+{
+ typedef one type;
+};
+
+template<class T>
+inline T operator*(const one&, const T& t)
+{
+ return(t);
+}
+
+template<class T>
+inline T operator*(const T& t, const one&)
+{
+ return(t);
+}
+
+inline one operator*(const one&, const one&)
+{
+ one result;
+ return(result);
+}
+
+template<class T>
+struct divide_typeof_helper<T, one>
+{
+ typedef T type;
+};
+
+template<class T>
+struct divide_typeof_helper<one, T>
+{
+ typedef T type;
+};
+
+template<>
+struct divide_typeof_helper<one, one>
+{
+ typedef one type;
+};
+
+template<class T>
+inline T operator/(const T& t, const one&)
+{
+ return(t);
+}
+
+template<class T>
+inline T operator/(const one&, const T& t)
+{
+ return(1/t);
+}
+
+inline one operator/(const one&, const one&)
+{
+ one result;
+ return(result);
+}
+
+template<class T>
+inline bool operator>(const boost::units::one&, const T& t) {
+ return(1 > t);
+}
+
+} // namespace units
+
+} // namespace boost
+
+#endif