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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_DIMENSIONLESS_UNIT_HPP | |
12 | #define BOOST_UNITS_IS_DIMENSIONLESS_UNIT_HPP | |
13 | ||
14 | /// \file | |
15 | /// \brief Check that a type is a dimensionless unit. | |
16 | ||
17 | #include <boost/units/is_unit_of_dimension.hpp> | |
18 | #include <boost/units/units_fwd.hpp> | |
19 | ||
20 | namespace boost { | |
21 | ||
22 | namespace units { | |
23 | ||
24 | /// Check that a type is a dimensionless unit. | |
25 | template<class T> | |
26 | struct is_dimensionless_unit : | |
27 | public is_unit_of_dimension<T,dimensionless_type> | |
28 | { }; | |
29 | ||
30 | } // namespace units | |
31 | ||
32 | } // namespace boost | |
33 | ||
34 | #endif // BOOST_UNITS_IS_DIMENSIONLESS_UNIT_HPP |