| // Boost.Units - A C++ library for zero-overhead dimensional analysis and | |
| // unit/quantity manipulation and conversion | |
| // | |
| // Copyright (C) 2003-2008 Matthias Christian Schabel | |
| // Copyright (C) 2008 Steven Watanabe | |
| // | |
| // Distributed under the Boost Software License, Version 1.0. (See | |
| // accompanying file LICENSE_1_0.txt or copy at | |
| // http://www.boost.org/LICENSE_1_0.txt) | |
| #ifndef BOOST_UNITS_SURFACE_DENSITY_DERIVED_DIMENSION_HPP | |
| #define BOOST_UNITS_SURFACE_DENSITY_DERIVED_DIMENSION_HPP | |
| #include <boost/units/derived_dimension.hpp> | |
| #include <boost/units/physical_dimensions/length.hpp> | |
| #include <boost/units/physical_dimensions/mass.hpp> | |
| namespace boost { | |
| namespace units { | |
| /// derived dimension for surface density : L^-2 M | |
| typedef derived_dimension<length_base_dimension,-2, | |
| mass_base_dimension,1>::type surface_density_dimension; | |
| } // namespace units | |
| } // namespace boost | |
| #endif // BOOST_UNITS_SURFACE_DENSITY_DERIVED_DIMENSION_HPP |