[GiNaC-devel] factorization and stuff

[Richard B. Kreckel]

Hi!

Jens Vollinga wrote:
> Richard B. Kreckel schrieb:
>> Well, sometimes it fails to factor. In ginsh:
>>> factor(expand((x+1)*(x+4)));
>> 4+x^2+5*x
> 
> thanks! I fixed this bug.

Indeed. Thanks!

Now, again in ginsh notation:
 > factor(expand((x+4+x^2-x^3+43*x^4)*(x+1-x^2-3*x^3+4*x^4)));
Segmentation fault

> Since you already looked at the code I should maybe comment on it with 
> respect to cln: there is quite some stuff in factor.cpp that actually 
> could be part of cln. It is mainly the type/class for modular univariate 
> polynomials. If you compare the features of my class with the equivalent 
> type in cln you can see why I needed this additional type.

Well, I don't see.  :-(
What is your point?

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