Karim BELABAS on Thu, 5 Sep 2002 00:56:58 +0200 (MEST)


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Re: gp: matcompanion() feature? 

On Wed, 4 Sep 2002, Michael Somos wrote:
> pari-dev
>
>      Is it supposed to be responding so unhelpfully? :
>
> ? matcompanion(x*y)
>   ***   trying to overwrite a universal object in gaffect (gzero).
> ? \v
>           GP/PARI CALCULATOR Version 2.2.4 (development CHANGES-1.491)
>                 i686 running linux (ix86 kernel) 32-bit version
>               (readline v4.2 enabled, extended help not available)

It's not. This bug has been with us since the beginning. Easy to fix once
spotted... [faulty use of one of the obsolete gerepile substitutes, here
gnegz].

    Karim.
-- 
Karim Belabas                    Tel: (+33) (0)1 69 15 57 48
Dép. de Mathematiques, Bat. 425  Fax: (+33) (0)1 69 15 60 19
Université Paris-Sud             Email: Karim.Belabas@math.u-psud.fr
F-91405 Orsay (France)           http://www.math.u-psud.fr/~belabas/
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