#18589: isogeny efficiency improvement
-------------------------+-------------------------------------------------
Reporter: | Owner:
cremona | Status: needs_review
Type: | Milestone: sage-6.8
enhancement | Resolution:
Priority: major | Merged in:
Component: | Reviewers:
elliptic curves | Work issues:
Keywords: | Commit:
isogeny | ad56369f5def8060575b6567342dedb28a447293
Authors: John | Stopgaps:
Cremona |
Report Upstream: N/A |
Branch: |
u/cremona/18589 |
Dependencies: |
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Comment (by jdemeyer):
I think you can simplify
{{{
factors = [h for h,e in psi_l.factor() if l2 % h.degree() == 0]
}}}
to
{{{
factors = [h for h,e in psi_l.factor()]
}}}
(in the line below, you are only selecting the degrees you care about
anyway)
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Ticket URL: <http://trac.sagemath.org/ticket/18589#comment:39>
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