Re: Calc; Emacs has big-number support

[Robert Pluim <rpluim@gmail.com>]

David Kastrup <dak@gnu.org> writes:

> Please describe exactly what actions triggered the bug and the
> precise symptoms of the bug.  If possible, include a backtrace by
> doing `\[toggle-debug-on-error]', then reproducing the bug.
>
>
> With big number support native to Emacs, the number support primitives
> should no longer employ the historic large integer representation.  As
> XEmacs is essentially frozen (and has had (optional?) big number support
> for much longer anyway), this should not be a consideration.  As opposed
> to the (never completed) Calc 2.0 project of using Emacs floats where
> feasible, this does not require bolstering precice arithmetic with fast
> but approximative floating point arithmetic but is a wholesale
> replacement of precise integer arithmetic.
>
> As such, it should not pose new numeric and structural challenges but
> would be "just" a case of simplifying code.

Yes. I posted a proof-of-concept patch here a while back, and am
(slowly) working on making sure the result works correctly.

Robert