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_LUMINANCE_DERIVED_DIMENSION_HPP
12 #define BOOST_UNITS_LUMINANCE_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/luminous_intensity.hpp>
17 
18 namespace boost {
19 
20 namespace units {
21 
22 /// derived dimension for luminance : L^-2 I
23 typedef derived_dimension<length_base_dimension,-2,
24                           luminous_intensity_base_dimension,1>::type luminance_dimension;
25 
26 } // namespace units
27 
28 } // namespace boost
29 
30 #endif // BOOST_UNITS_LUMINANCE_DERIVED_DIMENSION_HPP
31