boost/units/physical_dimensions/length.hpp

   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
  11 #ifndef BOOST_UNITS_LENGTH_BASE_DIMENSION_HPP
  12 #define BOOST_UNITS_LENGTH_BASE_DIMENSION_HPP
  13
  14 #include <boost/units/config.hpp>
  15 #include <boost/units/base_dimension.hpp>
  16
  17 namespace boost {
  18
  19 namespace units {
  20
  21 /// base dimension of length
  22 struct length_base_dimension :
  23     boost::units::base_dimension<length_base_dimension, -9>
  24 { };
  25
  26 } // namespace units
  27
  28 } // namespace boost
  29
  30 #if BOOST_UNITS_HAS_BOOST_TYPEOF
  31
  32 #include BOOST_TYPEOF_INCREMENT_REGISTRATION_GROUP()
  33
  34 BOOST_TYPEOF_REGISTER_TYPE(boost::units::length_base_dimension)
  35
  36 #endif
  37
  38 namespace boost {
  39
  40 namespace units {
  41
  42 /// dimension of length (L)
  43 typedef length_base_dimension::dimension_type length_dimension;
  44
  45 } // namespace units
  46
  47 } // namespace boost
  48
  49 #endif // BOOST_UNITS_LENGTH_BASE_DIMENSION_HPP