CVS Service wrote:
Update of /home/cvs/GiNaC/ginac by vollinga
Modified Files: Tag: ginac_1-4 flags.h mul.cpp power.cpp Log Message: Synced to HEAD: - This helps mul::expand() and friends to recognize objects which have no indices at all [Sheplyakov].
Chris, We are curious what can be done about the performance regression one of your patches for dummy index renaming introduced. The seemingly innocuous patch has been identified by Jens and Alexei: <http://www.ginac.de/pipermail/ginac-list/2007-September/001215.html>. At first, the above log message suggested to me that the problem has been dealt with. But that is not so: The program is still extremely slow. In fact, Alexei's patches are entirely unrelated. Since neither an explanation of what's happening nor a fix has been suggested, we would really appreciate some expert insight by you. Thanks in advance -richy. -- Richard B. Kreckel <http://www.ginac.de/~kreckel/>