units/physical_dimensions/frequency.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) 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_FREQUENCY_DERIVED_DIMENSION_HPP
0012 #define BOOST_UNITS_FREQUENCY_DERIVED_DIMENSION_HPP
0013
0014 #include <boost/units/derived_dimension.hpp>
0015 #include <boost/units/physical_dimensions/time.hpp>
0016
0017 namespace boost {
0018
0019 namespace units {
0020
0021 /// derived dimension for frequency : T^-1
0022 typedef derived_dimension<time_base_dimension,-1>::type frequency_dimension;
0023
0024 } // namespace units
0025
0026 } // namespace boost
0027
0028 #endif // BOOST_UNITS_FREQUENCY_DERIVED_DIMENSION_HPP