#11767: elliptic_logarithm of high precision points often hangs forever
--------------------------------------------+-------------------------------
Reporter: was | Owner: cremona
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.7.2
Component: elliptic curves | Keywords:
Work_issues: | Upstream: N/A
Reviewer: John Cremona, Leif Leonhardy | Author: Paul Zimmermann
Merged: | Dependencies:
--------------------------------------------+-------------------------------
Comment(by cremona):
Replying to [comment:17 zimmerma]:
> Leif,
>
> > So I think we have a positive review.
>
> you didn't hit "positive review" thus you are waiting for William's
review?
>
> Note that William's example seems to exercise only the case where
{{{r}}} is real in the
> code. Maybe one should check that there is at least one example where
{{{r}}} is complex
> with large precision, or add one if it is not the case.
>
That is a *very* good observation. The real case algorithm has been known
for a very long time, but the complex case (using a generalised complex
AGM) is still in preprint form! I will come up with an example.
> Paul
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11767#comment:19>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
--
You received this message because you are subscribed to the Google Groups
"sage-trac" group.
To post to this group, send email to [email protected].
To unsubscribe from this group, send email to
[email protected].
For more options, visit this group at
http://groups.google.com/group/sage-trac?hl=en.
