| // 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 |
| |
| #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 |
