units/physical_dimensions/illuminance.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_ILLUMINANCE_DERIVED_DIMENSION_HPP
0012 #define BOOST_UNITS_ILLUMINANCE_DERIVED_DIMENSION_HPP
0013
0014 #include <boost/units/derived_dimension.hpp>
0015 #include <boost/units/physical_dimensions/length.hpp>
0016 #include <boost/units/physical_dimensions/luminous_intensity.hpp>
0017 #include <boost/units/physical_dimensions/solid_angle.hpp>
0018
0019 namespace boost {
0020
0021 namespace units {
0022
0023 /// derived dimension for illuminance : L^-2 I QS
0024 typedef derived_dimension<length_base_dimension,-2,
0025                           luminous_intensity_base_dimension,1,
0026                           solid_angle_base_dimension,1>::type illuminance_dimension;
0027
0028 } // namespace units
0029
0030 } // namespace boost
0031
0032 #endif // BOOST_UNITS_ILLUMINANCE_DERIVED_DIMENSION_HPP