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_IS_UNIT_OF_DIMENSION_HPP |
12 | #define BOOST_UNITS_IS_UNIT_OF_DIMENSION_HPP |
13 | |
14 | /// |
15 | /// \file |
16 | /// \brief Check that a type is a unit of the specified dimension. |
17 | /// |
18 | |
19 | #include <boost/mpl/bool.hpp> |
20 | #include <boost/units/units_fwd.hpp> |
21 | |
22 | namespace boost { |
23 | |
24 | namespace units { |
25 | |
26 | /// Check that a type is a unit of the specified dimension. |
27 | template<class T,class Dim> |
28 | struct is_unit_of_dimension : |
29 | public mpl::false_ |
30 | { }; |
31 | |
32 | template<class Dim,class System> |
33 | struct is_unit_of_dimension< unit<Dim,System>,Dim > : |
34 | public mpl::true_ |
35 | { }; |
36 | |
37 | template<class Dim,class System> |
38 | struct is_unit_of_dimension< absolute<unit<Dim,System> >,Dim > : |
39 | public mpl::true_ |
40 | { }; |
41 | |
42 | } // namespace units |
43 | |
44 | } // namespace boost |
45 | |
46 | #endif // BOOST_UNITS_IS_UNIT_OF_DIMENSION_HPP |
47 | |