diff options
Diffstat (limited to 'boost/units/base_units/metric/year.hpp')
-rw-r--r-- | boost/units/base_units/metric/year.hpp | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/boost/units/base_units/metric/year.hpp b/boost/units/base_units/metric/year.hpp new file mode 100644 index 0000000000..e43acd6dd6 --- /dev/null +++ b/boost/units/base_units/metric/year.hpp @@ -0,0 +1,38 @@ +// 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) 2007-2008 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_UNIT_SYSTEMS_OTHER_YEAR_HPP_INCLUDED +#define BOOST_UNIT_SYSTEMS_OTHER_YEAR_HPP_INCLUDED + +#include <boost/units/scaled_base_unit.hpp> +#include <boost/units/static_rational.hpp> +#include <boost/units/scale.hpp> +#include <boost/units/base_units/si/second.hpp> + +// Julian year = 365.25 days exactly = 8766 hours exactly + +namespace boost { +namespace units { +namespace metric { + +typedef scaled_base_unit<boost::units::si::second_base_unit, scale<31557600, static_rational<1> > > year_base_unit; + +} + +template<> +struct base_unit_info<metric::year_base_unit> { + static const char* name() { return("Julian year"); } + static const char* symbol() { return("yr"); } +}; + +} +} + +#endif |