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// 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


#include <boost/units/units_fwd.hpp>

namespace boost {

namespace units {

template<class T>
struct get_dimension {};

/// get the dimension of a unit
template<class Dim,class System>
struct get_dimension< unit<Dim,System> >
    typedef Dim type;

/// get the dimension of an absolute unit
template<class Unit>
struct get_dimension< absolute<Unit> >
    typedef typename get_dimension<Unit>::type  type;

/// get the dimension of a quantity
template<class Unit,class Y>
struct get_dimension< quantity<Unit,Y> >
    typedef typename get_dimension<Unit>::type  type;

} // namespace units

} // namespace boost