1// Boost.Units - A C++ library for zero-overhead dimensional analysis and
2// unit/quantity manipulation and conversion
3//
4// Copyright (C) 2003-2008 Matthias Christian Schabel
5// Copyright (C) 2008 Steven Watanabe
6//
7// Distributed under the Boost Software License, Version 1.0. (See
8// accompanying file LICENSE_1_0.txt or copy at
9// http://www.boost.org/LICENSE_1_0.txt)
10
11#ifndef BOOST_UNITS_ANGLE_DEGREE_HPP
12#define BOOST_UNITS_ANGLE_DEGREE_HPP
13
14#include <boost/config/no_tr1/cmath.hpp>
15
16#include <boost/units/conversion.hpp>
17#include <boost/units/static_constant.hpp>
18#include <boost/units/unit.hpp>
19#include <boost/units/make_system.hpp>
20#include <boost/units/base_units/angle/degree.hpp>
21
22namespace boost {
23
24namespace units {
25
26namespace degree {
27
28typedef make_system<boost::units::angle::degree_base_unit>::type system;
29
30typedef unit<dimensionless_type,system> dimensionless;
31typedef unit<plane_angle_dimension,system> plane_angle; ///< angle degree unit constant
32
33BOOST_UNITS_STATIC_CONSTANT(degree,plane_angle);
34BOOST_UNITS_STATIC_CONSTANT(degrees,plane_angle);
35
36} // namespace degree
37
38} // namespace units
39
40} // namespace boost
41
42#endif // BOOST_UNITS_ANGLE_DEGREE_HPP
43

source code of boost/libs/units/include/boost/units/systems/angle/degrees.hpp