| // 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 | |
| // http://www.boost.org/LICENSE_1_0.txt) | |
| // $Id: lambda.hpp 27 2008-06-16 14:50:58Z maehne $ | |
| #ifndef BOOST_UNITS_LAMBDA_HPP | |
| #define BOOST_UNITS_LAMBDA_HPP | |
| //////////////////////////////////////////////////////////////////////// | |
| /// | |
| /// \file lambda.hpp | |
| /// | |
| /// \brief Definitions to ease the usage of Boost.Units' quantity, | |
| /// unit, and absolute types in functors created with the | |
| /// Boost.Lambda library. | |
| /// | |
| /// \author Torsten Maehne | |
| /// \date 2008-06-16 | |
| /// | |
| /// Boost.Lambda's return type deduction system is extented to make | |
| /// use of Boost.Units' typeof_helper trait classes for Boost.Units' | |
| /// quantity, absolute, and unit template classes. | |
| /// | |
| //////////////////////////////////////////////////////////////////////// | |
| #include <boost/lambda/lambda.hpp> | |
| #include <boost/units/units_fwd.hpp> | |
| #include <boost/units/detail/dimensionless_unit.hpp> | |
| #include <boost/units/operators.hpp> | |
| namespace boost { | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim, System> * Y. | |
| template<typename System, typename Dim, typename Y> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::unit<Dim, System>, | |
| Y > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::unit<Dim, System>, Y >::type type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct multiply_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::multiply_action>, | |
| tuple<typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type, boost::lambda::lambda_functor<Arg> > | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// unit<Dim, System> * lambda_functor<Arg> | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename multiply_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> >::type | |
| operator*(const boost::units::unit<Dim, System>& a, | |
| const boost::lambda::lambda_functor<Arg>& b) { | |
| return typename multiply_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> >::type::inherited | |
| (tuple<typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type, | |
| boost::lambda::lambda_functor<Arg> > | |
| (a, b)); | |
| } | |
| } // namespace units | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim, System> / Y. | |
| template<typename System, typename Dim, typename Y> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::unit<Dim, System>, | |
| Y > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::unit<Dim, System>, Y >::type type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct divide_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::divide_action>, | |
| tuple<typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type, boost::lambda::lambda_functor<Arg> > | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// unit<Dim, System> / lambda_functor<Arg> | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename divide_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> >::type | |
| operator/(const boost::units::unit<Dim, System>& a, | |
| const boost::lambda::lambda_functor<Arg>& b) { | |
| return typename divide_typeof_helper<boost::units::unit<Dim, System>, boost::lambda::lambda_functor<Arg> >::type::inherited | |
| (tuple<typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type, | |
| boost::lambda::lambda_functor<Arg> > | |
| (a, b)); | |
| } | |
| } // namespace units | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// Y * unit<Dim, System>. | |
| template<typename System, typename Dim, typename Y> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| Y, | |
| boost::units::unit<Dim, System> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| Y, boost::units::unit<Dim, System> >::type type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::multiply_action>, | |
| tuple<boost::lambda::lambda_functor<Arg>, typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type> | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// lambda_functor<Arg> * unit<Dim, System> | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> >::type | |
| operator*(const boost::lambda::lambda_functor<Arg>& a, | |
| const boost::units::unit<Dim, System>& b) { | |
| return typename multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> >::type::inherited | |
| (tuple<boost::lambda::lambda_functor<Arg>, | |
| typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type> | |
| (a, b)); | |
| } | |
| } // namespace units | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// Y / unit<Dim, System>. | |
| template<typename System, typename Dim, typename Y> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| Y, | |
| boost::units::unit<Dim, System> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| Y, boost::units::unit<Dim, System> >::type type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct divide_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::divide_action>, | |
| tuple<boost::lambda::lambda_functor<Arg>, typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type> | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// lambda_functor<Arg> / unit<Dim, System> | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename divide_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> >::type | |
| operator/(const boost::lambda::lambda_functor<Arg>& a, | |
| const boost::units::unit<Dim, System>& b) { | |
| return typename divide_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::unit<Dim, System> >::type::inherited | |
| (tuple<boost::lambda::lambda_functor<Arg>, | |
| typename boost::lambda::const_copy_argument<const boost::units::unit<Dim, System> >::type> | |
| (a, b)); | |
| } | |
| } // namespace units | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit, X> * X. | |
| template<typename Unit, typename X> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::quantity<Unit, X>, | |
| X> { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::quantity<Unit, X>, X>::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// X * quantity<Unit, X>. | |
| template<typename Unit, typename X> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| X, | |
| boost::units::quantity<Unit, X> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| X, boost::units::quantity<Unit, X> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit, X> / X. | |
| template<typename Unit, typename X> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::quantity<Unit, X>, | |
| X> { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::quantity<Unit, X>, X>::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// X / quantity<Unit, X>. | |
| template<typename Unit, typename X> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| X, | |
| boost::units::quantity<Unit, X> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| X, boost::units::quantity<Unit, X> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> * quantity<Unit2, Y>. | |
| template<typename System1, typename Dim1, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> / quantity<Unit2, Y>. | |
| template<typename System1, typename Dim1, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, Y> * unit<Dim2, System2>. | |
| template<typename Unit1, typename Y, typename System2, typename Dim2> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::quantity<Unit1, Y>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::quantity<Unit1, Y>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, Y> / unit<Dim2, System2>. | |
| template<typename Unit1, typename Y, typename System2, typename Dim2> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::quantity<Unit1, Y>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::quantity<Unit1, Y>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// +quantity<Unit, Y>. | |
| template<typename Unit, typename Y> | |
| struct plain_return_type_1<unary_arithmetic_action<plus_action>, | |
| boost::units::quantity<Unit, Y> > { | |
| typedef typename boost::units::unary_plus_typeof_helper< | |
| boost::units::quantity<Unit, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// -quantity<Unit, Y>. | |
| template<typename Unit, typename Y> | |
| struct plain_return_type_1<unary_arithmetic_action<minus_action>, | |
| boost::units::quantity<Unit, Y> > { | |
| typedef typename boost::units::unary_minus_typeof_helper< | |
| boost::units::quantity<Unit, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, X> + quantity<Unit2, Y>. | |
| template<typename Unit1, typename X, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::add_typeof_helper< | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<dimensionless, X> + Y. | |
| template<typename System, typename X, typename Y> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), X>, | |
| Y> { | |
| typedef typename boost::units::add_typeof_helper< | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), X>, | |
| Y>::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// X + quantity<dimensionless, Y>. | |
| template<typename System, typename X, typename Y> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| X, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), Y> > { | |
| typedef typename boost::units::add_typeof_helper< | |
| X, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, X> - quantity<Unit2, Y>. | |
| template<typename Unit1, typename X, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::subtract_typeof_helper< | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<dimensionless, X> - Y. | |
| template<typename System, typename X, typename Y> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), X>, | |
| Y> { | |
| typedef typename boost::units::subtract_typeof_helper< | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), X>, | |
| Y>::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// X - quantity<dimensionless, Y>. | |
| template<typename System, typename X, typename Y> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| X, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), Y> > { | |
| typedef typename boost::units::subtract_typeof_helper< | |
| X, | |
| boost::units::quantity<BOOST_UNITS_DIMENSIONLESS_UNIT(System), Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, X> * quantity<Unit2, Y>. | |
| template<typename Unit1, typename X, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// quantity<Unit1, X> / quantity<Unit2, Y>. | |
| template<typename Unit1, typename X, typename Unit2, typename Y> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::quantity<Unit1, X>, | |
| boost::units::quantity<Unit2, Y> >::type type; | |
| }; | |
| //////////////////////////////////////////////////////////////////////// | |
| // Partial specialization of Boost.Lambda's trait classes for all | |
| // operators overloaded in <boost/units/unit.hpp> | |
| //////////////////////////////////////////////////////////////////////// | |
| /// Partial specialization of return type trait for action | |
| /// +unit<Dim, System>. | |
| template<typename Dim, typename System> | |
| struct plain_return_type_1<unary_arithmetic_action<plus_action>, | |
| boost::units::unit<Dim, System> > { | |
| typedef typename boost::units::unary_plus_typeof_helper< | |
| boost::units::unit<Dim, System> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// -unit<Dim, System>. | |
| template<typename Dim, typename System> | |
| struct plain_return_type_1<unary_arithmetic_action<minus_action>, | |
| boost::units::unit<Dim, System> > { | |
| typedef typename boost::units::unary_minus_typeof_helper< | |
| boost::units::unit<Dim, System> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> + unit<Dim2, System2>. | |
| template<typename Dim1, typename Dim2, typename System1, typename System2> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::add_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> - unit<Dim2, System2>. | |
| template<typename Dim1, typename Dim2, typename System1, typename System2> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::subtract_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> * unit<Dim2, System2>. | |
| template<typename Dim1, typename Dim2, typename System1, typename System2> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::multiply_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// unit<Dim1, System1> / unit<Dim2, System2>. | |
| template<typename Dim1, typename Dim2, typename System1, typename System2> | |
| struct plain_return_type_2<arithmetic_action<divide_action>, | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> > { | |
| typedef typename boost::units::divide_typeof_helper< | |
| boost::units::unit<Dim1, System1>, | |
| boost::units::unit<Dim2, System2> >::type type; | |
| }; | |
| //////////////////////////////////////////////////////////////////////// | |
| // Partial specialization of Boost.Lambda's trait classes for all | |
| // operators overloaded in <boost/units/absolute.hpp> | |
| //////////////////////////////////////////////////////////////////////// | |
| /// Partial specialization of return type trait for action | |
| /// absolute<Y> + Y. | |
| template<typename Y> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| boost::units::absolute<Y>, | |
| Y> { | |
| typedef typename boost::units::absolute<Y> type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// Y + absolute<Y>. | |
| template<typename Y> | |
| struct plain_return_type_2<arithmetic_action<plus_action>, | |
| Y, | |
| boost::units::absolute<Y> > { | |
| typedef typename boost::units::absolute<Y> type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// absolute<Y> - Y. | |
| template<typename Y> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| boost::units::absolute<Y>, | |
| Y> { | |
| typedef typename boost::units::absolute<Y> type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// absolute<Y> - absolute<Y>. | |
| template<typename Y> | |
| struct plain_return_type_2<arithmetic_action<minus_action>, | |
| boost::units::absolute<Y>, | |
| boost::units::absolute<Y> > { | |
| typedef Y type; | |
| }; | |
| /// Partial specialization of return type trait for action | |
| /// T * absolute<unit<D, S> >. | |
| template<typename D, typename S, typename T> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| T, | |
| boost::units::absolute<boost::units::unit<D, S> > > { | |
| typedef typename boost::units::quantity< | |
| boost::units::absolute<boost::units::unit<D, S> >, T> type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::absolute<boost::units::unit<Dim, System> > > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::multiply_action>, | |
| tuple<boost::lambda::lambda_functor<Arg>, | |
| typename boost::lambda::const_copy_argument<const boost::units::absolute<boost::units::unit<Dim, System> > >::type> | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// lambda_functor<Arg> * absolute<unit<Dim, System> > | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::absolute<boost::units::unit<Dim, System> > >::type | |
| operator*(const boost::lambda::lambda_functor<Arg>& a, | |
| const boost::units::absolute<boost::units::unit<Dim, System> >& b) { | |
| return typename multiply_typeof_helper<boost::lambda::lambda_functor<Arg>, boost::units::absolute<boost::units::unit<Dim, System> > >::type::inherited | |
| (tuple<boost::lambda::lambda_functor<Arg>, | |
| typename boost::lambda::const_copy_argument<const boost::units::absolute<boost::units::unit<Dim, System> > >::type> | |
| (a, b)); | |
| } | |
| } // namespace units | |
| namespace lambda { | |
| /// Partial specialization of return type trait for action | |
| /// absolute<unit<D, S> > * T. | |
| template<typename D, typename S, typename T> | |
| struct plain_return_type_2<arithmetic_action<multiply_action>, | |
| boost::units::absolute<boost::units::unit<D, S> >, | |
| T> { | |
| typedef typename boost::units::quantity< | |
| boost::units::absolute<boost::units::unit<D, S> >, T> type; | |
| }; | |
| } // namespace lambda | |
| namespace units { | |
| template<typename System, typename Dim, typename Arg> | |
| struct multiply_typeof_helper<boost::units::absolute<boost::units::unit<Dim, System> >, boost::lambda::lambda_functor<Arg> > { | |
| typedef boost::lambda::lambda_functor< | |
| boost::lambda::lambda_functor_base< | |
| boost::lambda::arithmetic_action<boost::lambda::multiply_action>, | |
| tuple<typename boost::lambda::const_copy_argument<const boost::units::absolute<boost::units::unit<Dim, System> > >::type, | |
| boost::lambda::lambda_functor<Arg> > | |
| > | |
| > type; | |
| }; | |
| /// Disambiguating overload for action | |
| /// absolute<unit<Dim, System> > * lambda_functor<Arg> | |
| /// based on \<boost/lambda/detail/operators.hpp\>. | |
| template<typename System, typename Dim, typename Arg> | |
| inline const typename multiply_typeof_helper<boost::units::absolute<boost::units::unit<Dim, System> >, boost::lambda::lambda_functor<Arg> >::type | |
| operator*(const boost::units::absolute<boost::units::unit<Dim, System> >& a, | |
| const boost::lambda::lambda_functor<Arg>& b) { | |
| return typename multiply_typeof_helper<boost::units::absolute<boost::units::unit<Dim, System> >, boost::lambda::lambda_functor<Arg> >::type::inherited | |
| (tuple<typename boost::lambda::const_copy_argument<const boost::units::absolute<boost::units::unit<Dim, System> > >::type, | |
| boost::lambda::lambda_functor<Arg> > | |
| (a, b)); | |
| } | |
| } // namespace units | |
| } // namespace boost | |
| #endif // BOOST_UNITS_LAMBDA_HPP |