citing the problem line 1912 in ell.gp (2011 copy)

American Citizen <[email protected]> Thu, 30 Jul 2026 20:25:08 -0700

Newsgroups	gmane.comp.mathematics.pari.user
Message-ID	<[email protected]>

> Line 1912 in ell.gp (2011 copy) is causing problems in current GP-Pari 
> 2.17.4
>
> 1911  \\ choix de l'algorithme suivant la 2-torsion
> 1912    ell *= Mod(1,bnf.pol);
> 1913    eqtheta = Pol([1,ell.a2,ell.a4,ell.a6]);
>
> We cannot multiply the ell structure anymore due to the use of 
> t_VECSMALL in it.
>
> Can we do:
>
> ell=ellinit([Mod(ell.a1,bnf.pol),Mod(ell.a2,bnf.pol),Mod(ell.a3,bnf.pol),Mod(ell.a4,bnf.pol),Mod(ell.a6,bnf.pol)]);
>
> instead?
>
> Will this fix the problem?
>