1 // Boost.Units - A C++ library for zero-overhead dimensional analysis and
2 // unit/quantity manipulation and conversion
4 // Copyright (C) 2003-2008 Matthias Christian Schabel
5 // Copyright (C) 2007-2008 Steven Watanabe
7 // Distributed under the Boost Software License, Version 1.0. (See
8 // accompanying file LICENSE_1_0.txt or copy at
9 // http://www.boost.org/LICENSE_1_0.txt)
11 #ifndef BOOST_UNITS_MAKE_SCALED_UNIT_HPP_INCLUDED
12 #define BOOST_UNITS_MAKE_SCALED_UNIT_HPP_INCLUDED
14 #include <boost/units/units_fwd.hpp>
15 #include <boost/units/heterogeneous_system.hpp>
16 #include <boost/units/unit.hpp>
21 template<class Unit, class Scale>
22 struct make_scaled_unit {
23 typedef typename make_scaled_unit<typename reduce_unit<Unit>::type, Scale>::type type;
26 template<class Dimension, class UnitList, class OldScale, class Scale>
27 struct make_scaled_unit<unit<Dimension, heterogeneous_system<heterogeneous_system_impl<UnitList, Dimension, OldScale> > >, Scale> {
31 heterogeneous_system_impl<
36 list<scale_list_dim<Scale>, dimensionless_type>
43 template<class Dimension, class UnitList, class OldScale, long Base>
44 struct make_scaled_unit<unit<Dimension, heterogeneous_system<heterogeneous_system_impl<UnitList, Dimension, OldScale> > >, scale<Base, static_rational<0> > > {
48 heterogeneous_system_impl<