Re: Newbie question: lifting polynomials coefficient

[Édouard Gilbert <edouard.gilbert@eleves.bretagne.ens-cachan.fr>]

Hidden in a function, that will perfectly do.

I didn't think about looking at the member function. Sorry about that.

Thank you very much,

Édouard

Le 22 mars 07 à 17:53, Bill Allombert a écrit :

> On Thu, Mar 22, 2007 at 04:14:43PM +0100, Édouard Gilbert wrote:
> > Hi everyone,
> >
> > Here is a simple problem that can be easliy avoided in a very
> > unelegant way.
> > The simple question is : how to lift the t_INTMOD coefficients of a
> > t_POLMOD?
> >
> > For example
> > > P = Mod(Mod(1, 2)*X + Mod(1, 2), Mod(1, 2)*X^2 + Mod(1, 2))
> > % (...)
> > > lift(P)
> > % Mod(1, 2)*X + Mod(1, 2)
> >
> > Is there a nicer solution to this?
>
> I am not sure if that qualify as nicer but
>
> liftint(x) = Mod(lift(x.pol),lift(x.mod))
>
> should do what you want.
>
> Cheers,
> Bill.