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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_ANGLE_DEGREE_HPP
+#define BOOST_UNITS_ANGLE_DEGREE_HPP
+
+#include <boost/config/no_tr1/cmath.hpp>
+
+#include <boost/units/conversion.hpp>
+#include <boost/units/static_constant.hpp>
+#include <boost/units/unit.hpp>
+#include <boost/units/make_system.hpp>
+#include <boost/units/base_units/angle/degree.hpp>
+
+namespace boost {
+
+namespace units {
+
+namespace degree {
+
+typedef make_system<boost::units::angle::degree_base_unit>::type system;
+
+typedef unit<dimensionless_type,system> dimensionless;
+typedef unit<plane_angle_dimension,system> plane_angle; ///< angle degree unit constant
+
+BOOST_UNITS_STATIC_CONSTANT(degree,plane_angle);
+BOOST_UNITS_STATIC_CONSTANT(degrees,plane_angle);
+
+} // namespace degree
+
+} // namespace units
+
+} // namespace boost
+
+#endif // BOOST_UNITS_ANGLE_DEGREE_HPP