John Cremona on Thu, 30 Aug 2018 01:58:41 +0200


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Re: Bug in rnfinit

Thanks Karim -- I can verify that it is fixed.  Apologies for not reporting the bug in the official way.

John


On Wed, 29 Aug 2018 at 17:27, Karim Belabas <Karim.Belabas@math.u-bordeaux.fr> wrote:
* John Cremona [2018-08-29 22:50]:
> ? chipol = polcyclo(9,t)
> %1 = t^6 + t^3 + 1
> ? pol = y^2 + Mod(t^5 + t^2 + t - 1, chipol)*y + Mod(-t + 1, chipol);
> ? Qchi=nfinit([chipol,10^6]);
> ? rnfinit(Qchi,[pol,10^6]);
>   ***   at top-level: rnfinit(Qchi,[pol,10^6])
>   ***                 ^------------------------
>   *** rnfinit: bug in PARI/GP (Segmentation Fault), please report.

Indeed. Just fixed this in 'master'.

Thanks for your report !

    K.B.
--
Karim Belabas, IMB (UMR 5251)  Tel: (+33) (0)5 40 00 26 17
Universite de Bordeaux         Fax: (+33) (0)5 40 00 21 23
351, cours de la Liberation    http://www.math.u-bordeaux.fr/~kbelabas/
F-33405 Talence (France)       http://pari.math.u-bordeaux.fr/  [PARI/GP]
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