#7719: Improvements to complex AGM
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Reporter: cremona | Owner: AlexGhitza
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.3.1
Component: basic arithmetic | Keywords: complex agm
Work_issues: | Author: John Cremona, Robert Bradshaw
Upstream: N/A | Reviewer: Robert Bradshaw, John Cremona
Merged: |
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Comment(by robertwb):
I found another case where it enters into an infinite loop. It's just
messy when the required precision is so close to the rounding error, and
we're doing many real operations here. Other than that, positive review to
the changes you made.
The solution, it seems, is to require at least half the desired precision
on the penultimate iteration. Patch coming up.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7719#comment:16>
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