#8505: random points on elliptic curve misses half the group
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Reporter: robertwb | Owner: cremona
Type: defect | Status: needs_review
Priority: major | Milestone: sage-4.3.4
Component: elliptic curves | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by robertwb):
Thanks. I thought I had fixed all the doctest changes. The reason that
some tests were changed by more then negation is because there is a second
call to random() that updates the state of the random number generator.
Regarding remark 2, see #8507. My motivation was actually that when using
the all=False flag, half the time an (expensive, especially over non-prime
fields) error is raised, but I think the current behavior is better as
well. It would be like ZZ.random_element() always returning a positive
value.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8505#comment:6>
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