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_PERMEABILITY_DERIVED_DIMENSION_HPP 12 #define BOOST_UNITS_PERMEABILITY_DERIVED_DIMENSION_HPP 13 14 #include <boost/units/derived_dimension.hpp> 15 #include <boost/units/physical_dimensions/length.hpp> 16 #include <boost/units/physical_dimensions/mass.hpp> 17 #include <boost/units/physical_dimensions/time.hpp> 18 #include <boost/units/physical_dimensions/current.hpp> 19 20 namespace boost { 21 22 namespace units { 23 24 /// derived dimension for permeability : L M T^-2 I^-2 25 typedef derived_dimension<length_base_dimension,1, 26 mass_base_dimension,1, 27 time_base_dimension,-2, 28 current_base_dimension,-2>::type permeability_dimension; 29 30 } // namespace units 31 32 } // namespace boost 33 34 #endif // BOOST_UNITS_PERMEABILITY_DERIVED_DIMENSION_HPP 35