On 6/15/07, Joel B. Mohler <[EMAIL PROTECTED]> wrote:
>
> On Fri, Jun 15, 2007 at 03:38:36PM -0400, David Harvey wrote:
> > If you really are doing a complete rewrite of the ntl wrapper, one thing
> > I'd love you to keep in mind is NTL's global modulus business. I've never
> > been convinced that this was fixed properly in SAGE.
>
> Yes, I'd say it qualifies as a "complete rewrite".  I'm not quite certain what
> is or is not properly fixed, but here's an associated question.  Should the 
> ZZ_p
> (etc.) elements keep a modulus and reset it before doing arithmetic?  Or, does
> this want to be kept global as in NTL.  It seems rather frightening to have to
> call setModulus in the front of every method.

The semantics of the NTL wrapper should be as close as possible to the
semantics of NTL itself, so I think there should be a global modulus
as it is now (as in NTL).

 -- William

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