Chris@16: // Boost.Units - A C++ library for zero-overhead dimensional analysis and 
Chris@16: // unit/quantity manipulation and conversion
Chris@16: //
Chris@16: // Copyright (C) 2003-2008 Matthias Christian Schabel
Chris@16: // Copyright (C) 2008 Steven Watanabe
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See
Chris@16: // accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: #ifndef BOOST_UNITS_IS_UNIT_OF_SYSTEM_HPP
Chris@16: #define BOOST_UNITS_IS_UNIT_OF_SYSTEM_HPP
Chris@16: 
Chris@16: ///
Chris@16: /// \file
Chris@16: /// \brief Check that a type is a unit in a specified system.
Chris@16: ///
Chris@16: 
Chris@16: #include <boost/mpl/bool.hpp>
Chris@16: #include <boost/units/units_fwd.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: 
Chris@16: namespace units {
Chris@16: 
Chris@16: /// Check that a type is a unit in a specified system. 
Chris@16: template<class T,class System>
Chris@16: struct is_unit_of_system :
Chris@16:     public mpl::false_
Chris@16: { };
Chris@16:     
Chris@16: template<class Dim,class System>
Chris@16: struct is_unit_of_system< unit<Dim,System>,System > :
Chris@16:     public mpl::true_
Chris@16: { };
Chris@16:     
Chris@16: template<class Dim,class System>
Chris@16: struct is_unit_of_system< absolute<unit<Dim,System> >,System > :
Chris@16:     public mpl::true_
Chris@16: { };
Chris@16: 
Chris@16: } // namespace units
Chris@16: 
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_UNITS_IS_UNIT_OF_SYSTEM_HPP