length.hpp 1.1 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) 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_UNITS_LENGTH_BASE_DIMENSION_HPP
  11. #define BOOST_UNITS_LENGTH_BASE_DIMENSION_HPP
  12. #include <boost/units/config.hpp>
  13. #include <boost/units/base_dimension.hpp>
  14. namespace boost {
  15. namespace units {
  16. /// base dimension of length
  17. struct length_base_dimension :
  18. boost::units::base_dimension<length_base_dimension, -9>
  19. { };
  20. } // namespace units
  21. } // namespace boost
  22. #if BOOST_UNITS_HAS_BOOST_TYPEOF
  23. #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
  24. BOOST_TYPEOF_REGISTER_TYPE(boost::units::length_base_dimension)
  25. #endif
  26. namespace boost {
  27. namespace units {
  28. /// dimension of length (L)
  29. typedef length_base_dimension::dimension_type length_dimension;
  30. } // namespace units
  31. } // namespace boost
  32. #endif // BOOST_UNITS_LENGTH_BASE_DIMENSION_HPP