// 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) 2007-2008 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_MAKE_SCALED_UNIT_HPP_INCLUDED #define BOOST_UNITS_MAKE_SCALED_UNIT_HPP_INCLUDED #include <boost/units/units_fwd.hpp> #include <boost/units/heterogeneous_system.hpp> #include <boost/units/unit.hpp> namespace boost { namespace units { template<class Unit, class Scale> struct make_scaled_unit { typedef typename make_scaled_unit<typename reduce_unit<Unit>::type, Scale>::type type; }; template<class Dimension, class UnitList, class OldScale, class Scale> struct make_scaled_unit<unit<Dimension, heterogeneous_system<heterogeneous_system_impl<UnitList, Dimension, OldScale> > >, Scale> { typedef unit< Dimension, heterogeneous_system< heterogeneous_system_impl< UnitList, Dimension, typename mpl::times< OldScale, list<scale_list_dim<Scale>, dimensionless_type> >::type > > > type; }; template<class Dimension, class UnitList, class OldScale, long Base> struct make_scaled_unit<unit<Dimension, heterogeneous_system<heterogeneous_system_impl<UnitList, Dimension, OldScale> > >, scale<Base, static_rational<0> > > { typedef unit< Dimension, heterogeneous_system< heterogeneous_system_impl< UnitList, Dimension, OldScale > > > type; }; } } #endif