#8505: random points on elliptic curve misses half the group
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Reporter: robertwb | Owner: cremona
Type: defect | Status: new
Priority: major | Milestone: sage-4.3.4
Component: elliptic curves | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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This is because it chooses only the first of the (usually) two possible
lifts of a random x. Computing both is not more expensive, and this avoids
the (expensive) exception creation and throwing as well.
May have a bit of fuzz with #8311.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8505>
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