Karim BELABAS on Mon, 17 Nov 2003 12:22:20 +0100


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Re: nffactor() bug 

On Fri, 14 Nov 2003, Igor Schein wrote:
>                  GP/PARI CALCULATOR Version 2.2.7 (development)
>                Itanium running linux (ia64 kernel) 64-bit version
>                         compiled: Nov 14 2003, gcc-3.2.2
>                 (readline v4.2 enabled, extended help available)
>
> ? nffactor(nfinit(y^4+7^2),x^28-14*x^24+20321*x^20+166992*x^16+1171296*x^12+1342208*x^8-5005056*x^4+3211264);
>   ***   bug in GP (Segmentation Fault), please report

A precision problem which was not taken into account [ i.e a NULL pointer
was returned instead of a valid GEN ]

Fixed in CVS.

> When I wanted to tried building a debugging binary on the same platform (via Configure -g) I got this compilation error:
>
> ../src/kernel/none/mp.c: In function `muluu':
> ../src/kernel/none/mp.c:620: `asm' operand requires impossible reload

For this one, I'm clueless...

    Karim.
-- 
Karim Belabas                     Tel: (+33) (0)1 69 15 57 48
Dép. de Mathématiques, Bât. 425   Fax: (+33) (0)1 69 15 60 19
Université Paris-Sud              http://www.math.u-psud.fr/~belabas/
F-91405 Orsay (France)            http://pari.math.u-bordeaux.fr/  [PARI/GP]