[GiNaC-list] is_polynomial gives strange results

Florent Hivert florent.hivert at univ-rouen.fr
Fri May 20 23:41:57 CEST 2011


> >>thanks for reporting the bug. I am about to fix it.
> >
> >Excellent ! Please ping me either on this list or directly when you have the
> >fix, so that we (ie: the Sage dev team) can decide either to backport it or to
> >upgrade GiNaC.
> Ping.

Wow ! That's a blazingly fast fix !

> Generally, it is best to open a ticket in Sage trac, so you can be
> sure the problem is going to be fixed. This is because as far as I
> know patches for GiNaC don't automatically propagate to Pynac.

Of course ! See <http://trac.sagemath.org/sage_trac/ticket/11352>

Ticket #11352 (is_polynomial returns wrong results) Opened 31 hours ago

> Anyway, in this case you'll have to port these two patches to Pynac:
> <http://www.ginac.de/ginac.git?p=ginac.git;a=commitdiff;h=0c2f0f4c6d>
> <http://www.ginac.de/ginac.git?p=ginac.git;a=commitdiff;h=293ff6f6fe>

I'm copy this info to sage trac ticket and waiting for symbolic guys to decide
what to do further with PyNaC. Thanks a lot.



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