Igor Schein on Mon, 10 Mar 2003 13:10:02 -0500


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Re: idealprimedec() bug


On Mon, Mar 10, 2003 at 11:45:57AM +0100, Karim BELABAS wrote:
> On Sun, 9 Mar 2003, Igor Schein wrote:
> > On Sun, Mar 09, 2003 at 01:01:25PM +0100, Karim BELABAS wrote:
> > > On Sat, 8 Mar 2003, Igor Schein wrote:
> > > > ? idealprimedec(nfinit(x^16+16),256)
> > > >   ***   bug in GP (Segmentation Fault), please report
> > >
> > > Bad Input... I added a cheap check in CVS.
> > >
> > > (12:51) gp >  idealprimedec(nfinit(x^16+16),256)
> > >   ***   primedec: 256 is not a prime.
> > >
> > > [ if one of two obvious "assert" fails. No primality check is made ]
> >
> > ? idealprimedec(nfinit(x^24 + 62*x^12 + 1),8)
> >   ***   bug in GP (Segmentation Fault), please report
> 
> Yet another "assert" failed. Fixed.

1 more:

? idealprimedec(nfinit(x^16+17*x^14+119*x^12+442*x^10+935*x^8+1122*x^6+714*x^4+204*x^2+17),4)
  ***   bug in GP (Segmentation Fault), please report

Thanks

Igor