Re: Re: Some bugs?

["Jason Moxham" <jason@njkfrudils.plus.com>]

The error disappears if I compile everything without optimization , so I can 
perhaps pin it down to a more specific bit of code.

----- Original Message ----- 
From: "Bill Allombert" <Bill.Allombert@math.u-bordeaux1.fr>
To: <pari-dev@list.cr.yp.to>
Sent: Monday, July 06, 2009 5:51 PM
Subject: Re: Re: Some bugs?


> On Sun, Jul 05, 2009 at 03:23:14PM +0100, Jason Moxham wrote:
> > > On Sat, Jul 04, 2009 at 09:32:14PM +0100, Jason Moxham wrote:
> > > > > On Sat, Jul 04, 2009 at 08:31:40PM +0100, Jason Moxham wrote:
> > > > > > this fixes polred,rnf,rnfkummer  tests for Win32 MSVC
> > > > >
> > > > > Good!
> > > > >
> > > > > Bill.
> > > >
> > > > [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
> > > >  ***   at top-level: ...Mod(1,10007)*(x^30+9557*x^29+7812*x^28+7090*x
> > > >  ***                                             ^--------------------
> > > >  *** _^s: degree overflow in pow_monome.
> > >
> > > This is very wrong: x^29 is absolutly safe. There are some corruption
> > > going on.
> > >
> > > Does this command work ?
> > > {
> > > factorff(x^30 + 7812*x^28 + 7090*x^27 + 7645*x^26 + 4110*x^25 +
> > > 3307*x^24 +
> > > 5763*x^23 + 7900*x^22 + 3872*x^21 + 8123*x^20 + 4076*x^19 + 3265*x^18 +
> > > 3777*x^17 + 3398*x^16 + 5674*x^15 + 4018*x^14 + 6820*x^13 + 6479*x^12 +
> > > 984*x^11 + 5652*x^10 + 1129*x^9 + 7573*x^8 + 1822*x^7 + 837*x^6 +
> > > 4169*x^5 +
> > > 4787*x^4 + 1616*x^3 + 5185*x^2 + 2649*x + 1483, 10007, a^30 + a + 2)
> > > }
> > >
> > > Bill.
> > >
> > > -------------------------------------------------------
> >
> > yes it works , or at least doesn't crash , output is
>
> The output is correct.
> So this suggest the corruption happens before the command, maybe even
> in the interpretor itself.
>
> Cheers,
> Bill