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- // 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
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