base_units/us/yard.hpp

0001 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
0002 // unit/quantity manipulation and conversion
0003 //
0004 // Copyright (C) 2003-2008 Matthias Christian Schabel
0005 // Copyright (C) 2007-2008 Steven Watanabe
0006 //
0007 // Distributed under the Boost Software License, Version 1.0. (See
0008 // accompanying file LICENSE_1_0.txt or copy at
0009 // http://www.boost.org/LICENSE_1_0.txt)
0010
0011 #ifndef BOOST_UNITS_SYSTEMS_US_YARD_BASE_UNIT_HPP
0012 #define BOOST_UNITS_SYSTEMS_US_YARD_BASE_UNIT_HPP
0013
0014 #include <string>
0015
0016 #include <boost/units/config.hpp>
0017 #include <boost/units/base_unit.hpp>
0018 #include <boost/units/physical_dimensions/length.hpp>
0019 #include <boost/units/base_units/si/meter.hpp>
0020 #include <boost/units/conversion.hpp>
0021
0022 BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(us, yard, "yard", "yd", 0.9144, si::meter_base_unit, -501);    // exact conversion
0023
0024 #if BOOST_UNITS_HAS_BOOST_TYPEOF
0025
0026 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
0027
0028 BOOST_TYPEOF_REGISTER_TYPE(boost::units::us::yard_base_unit)
0029
0030 #endif
0031
0032 #endif // BOOST_UNITS_SYSTEMS_US_YARD_BASE_UNIT_HPP