| // 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 |