#10184: class group iterator is too slow
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Reporter: thome | Owner: davidloeffler
Type: enhancement | Status: needs_work
Priority: minor | Milestone: sage-5.12
Component: number fields | Resolution:
Keywords: sd51 | Merged in:
Authors: Emmanuel Thome | Reviewers: Shahed Sharif
Report Upstream: N/A | Work issues:
Branch: | Dependencies:
Stopgaps: |
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Comment (by AlexGhitza):
Replying to [comment:8 ssharif]:
> This is unchanged from Emmanuel's patch, but I can simplify it in a new
version. Also, it has been brought to my attention (by you and J. Cremona)
that Pari produces the generators for the class group in a different order
depending on the implementation. The given doctests were tested on my
32-bit system running sage 5.11b3; someone (probably me given time) will
need to test this on a 64-bit system and put in the relevant doc test.
Is it only the order that is different between 32- and 64-bit? In other
words, if the output of the function is sorted, would 32- and 64-bit
machines produce the same list of generators?
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Ticket URL: <http://trac.sagemath.org/ticket/10184#comment:9>
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