pound.hpp 1.3 KB

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  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) 2007-2008 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. #ifndef BOOST_UNIT_SYSTEMS_IMPERIAL_POUND_HPP_INCLUDED
  11. #define BOOST_UNIT_SYSTEMS_IMPERIAL_POUND_HPP_INCLUDED
  12. #include <string>
  13. #include <boost/units/config.hpp>
  14. #include <boost/units/base_unit.hpp>
  15. #include <boost/units/physical_dimensions/mass.hpp>
  16. #include <boost/units/base_units/cgs/gram.hpp>
  17. #include <boost/units/conversion.hpp>
  18. // can't define in terms of kilogram because it is a scaled_base_unit
  19. //BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(imperial, pound, "pound", "lb", 0.45359237, si::kilogram_base_unit, -302); // exact conversion
  20. BOOST_UNITS_DEFINE_BASE_UNIT_WITH_CONVERSIONS(imperial, pound, "pound", "lb", 453.59237, cgs::gram_base_unit, -302); // exact conversion
  21. #if BOOST_UNITS_HAS_BOOST_TYPEOF
  22. #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
  23. BOOST_TYPEOF_REGISTER_TYPE(boost::units::imperial::pound_base_unit)
  24. #endif
  25. #endif // BOOST_UNIT_SYSTEMS_IMPERIAL_POUND_HPP_INCLUDED