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_FREQUENCY_DERIVED_DIMENSION_HPP
12 #define BOOST_UNITS_FREQUENCY_DERIVED_DIMENSION_HPP
13 
14 #include <boost/units/derived_dimension.hpp>
15 #include <boost/units/physical_dimensions/time.hpp>
16 
17 namespace boost {
18 
19 namespace units {
20 
21 /// derived dimension for frequency : T^-1
22 typedef derived_dimension<time_base_dimension,-1>::type frequency_dimension;
23 
24 } // namespace units
25 
26 } // namespace boost
27 
28 #endif // BOOST_UNITS_FREQUENCY_DERIVED_DIMENSION_HPP
29