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

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/>