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Diffstat (limited to 'boost/units/is_quantity_of_system.hpp')
| -rw-r--r-- | boost/units/is_quantity_of_system.hpp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/boost/units/is_quantity_of_system.hpp b/boost/units/is_quantity_of_system.hpp new file mode 100644 index 0000000000..18546eb1ed --- /dev/null +++ b/boost/units/is_quantity_of_system.hpp @@ -0,0 +1,42 @@ +// 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_IS_QUANTITY_OF_SYSTEM_HPP +#define BOOST_UNITS_IS_QUANTITY_OF_SYSTEM_HPP + +/// +/// \file +/// \brief Check that a type is a quantity in a specified system. +/// + +#include <boost/mpl/bool.hpp> +#include <boost/units/units_fwd.hpp> +#include <boost/units/is_unit_of_system.hpp> + +namespace boost { + +namespace units { + +/// Check that a type is a quantity in a specified system. +template<class T,class System> +struct is_quantity_of_system : + public mpl::false_ +{ }; + +template<class Unit,class Y,class System> +struct is_quantity_of_system< quantity< Unit,Y>,System > : + public is_unit_of_system<Unit, System> +{ }; + +} // namespace units + +} // namespace boost + +#endif // BOOST_UNITS_IS_QUANTITY_OF_SYSTEM_HPP |