Re: [ublas] matrix expressions (was find2 required by Matrix)

From: Dima Sorkin (dsorkin_at_[hidden])
Date: 2005-11-27 02:58:30

Quoting Nico Galoppo :
> I was wondering what the performance implications of this are, eg. I have a 
> templated function:
> template <typename Mat> func(Mat& M)
> 
> versus
> 
> template <typename C> func(matrix_container<C>& M)
> 
> In the second example, to perform operations on the data, it seems that I
> need 
> to apply the operator() on M every time, like

Hi.
 If you have a reasonable good compiler, "operator()" will be inlined
at compile time, and there is no overhead. The overhead is in
compilation time, not in the execution time.

Regards,
 Dima.