#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 | 47ccfd587402b953c612fcd3cddaa541a6847bd3
Authors: John | Stopgaps:
Cremona |
Report Upstream: N/A |
Branch: |
u/cremona/18589 |
Dependencies: |
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Comment (by jdemeyer):
In this loop,
{{{
for i in range((l-1)/(2*d)-1):
g = mult(S[i])
S.append(g)
if g in factors:
factors.remove(g)
}}}
when can it happen that `g` is not in `factors`?
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Ticket URL: <http://trac.sagemath.org/ticket/18589#comment:17>
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