#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):
After I coded up the previous suggestion, I felt the best way was to
simply run the whole thing with a bit of extra precision. This way the
last couple bits in the final iteration will actually be correct for that
step, not just as correct as they could be due to rounding limitations. I
also fixed a bug with a.agm(-a) and added some more tests.
I folded it into the above patch, so apply trac_7719-agm.patch and
7719-bugfix2.patch. I'm positively reviewing cremona's changes--he needs
to look at mine.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7719#comment:17>
Sage <http://www.sagemath.org>
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