#8820: elliptic_exponential broken for curves over number fields
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Reporter: robertwb | Owner: cremona
Type: enhancement | Status: needs_work
Priority: major | Milestone: sage-4.6
Component: elliptic curves | Keywords:
Author: John Cremona | Upstream: N/A
Reviewer: Chris Wuthrich, Jeroen Demeyer | Merged:
Work_issues: |
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Comment(by jdemeyer):
Replying to [comment:25 cremona]:
> Thanks for the comments, I will revise the patch accordingly. The very
last point (evaluation when z is very small but not zero) will not be easy
though.
You could use {{{try:}}}/{{{except PariError:}}} for this. The only
problem is that currently, you cannot easily check in Python whether a
PariError is a division by zero or something else.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8820#comment:26>
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