Re: [ublas] Generic traits for scalars

From: Andrew Rieck (arieck_at_[hidden])
Date: 2005-07-11 03:38:37

ublas-bounces_at_[hidden] wrote on 11/07/2005 04:46:20 PM:

> Quoting Andrew Rieck <arieck_at_[hidden]>:
> > This work is already done in the following (excluding the redundant 
member 
> > functions): 
> > 
> > #include <limits>
> > #include <boost/call_traits.hpp>
> 
>  The boost call traits do not define the return types of 
> arithmetic operations (as far as I know). For example,
> having "z = x+y",where "x:double","y:complex<double>",
> you need to calculate the type of "z" somehow.
> Here needed something like:  plus_traits<S1,S2>.

Yes, that is correct.  However, the following:

#include <boost/utility/result_of.hpp>

would do the job in a clean fashion.

Kind regards,
Andrew

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