liuxiaolong
2021-07-20 58d904a328c0d849769b483e901a0be9426b8209
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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) 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_UNITS_SYSTEMS_IMPERIAL_YARD_BASE_UNIT_HPP
#define BOOST_UNITS_SYSTEMS_IMPERIAL_YARD_BASE_UNIT_HPP
 
#include <string>
 
#include <boost/units/config.hpp>
#include <boost/units/base_unit.hpp>
#include <boost/units/physical_dimensions/length.hpp>
#include <boost/units/base_units/si/meter.hpp>
#include <boost/units/conversion.hpp>
 
BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(imperial, yard, "yard", "yd", 0.9144, si::meter_base_unit, -301);    // exact conversion
 
#if BOOST_UNITS_HAS_BOOST_TYPEOF
 
#include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
 
BOOST_TYPEOF_REGISTER_TYPE(boost::units::imperial::yard_base_unit)
 
#endif
 
#endif // BOOST_UNITS_SYSTEMS_IMPERIAL_YARD_BASE_UNIT_HPP