#12121: floor/ceil can be very slow at integral values
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Reporter: dsm | Owner: AlexGhitza
Type: defect | Status: needs_work
Priority: major | Milestone: sage-7.1
Component: basic arithmetic | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Indeed, your code was good... and there is a bug somewhere else in the
conversion from `SR` to the real interval fields:
{{{
sage: RealIntervalField(256)(SR(10^50 + 10^(-50))).is_int()
(True, 100000000000000000000000000000000000000000000000000)
}}}
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Ticket URL: <http://trac.sagemath.org/ticket/12121#comment:17>
Sage <http://www.sagemath.org>
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