[GiNaC-devel] Derivative of conjugated is conjugated of derivative.

[Richard B. Kreckel]

Hi Vladimir,

On 11/05/2013 08:11 AM, Vladimir V. Kisil wrote:
>   Further to my previous patch on functions derivatives, this small
>   patch adds the rule 
> 
> conjugate(f)'=conjugate(f')

This patch is inconsistent with the rest of inifcns_trans.cpp. Please
search for "branch cut" inside that file.

Now, subs(log(conjugate(x))-conjugate(log(x)), x==-1) evaluates to
2*I*Pi. With your patch, it would evaluate to 0.

  -richy.
-- 
Richard B. Kreckel
<http://www.ginac.de/~kreckel/>