#16299: upgrade numpy/scipy to 1.8.1 and 0.14
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Reporter: fbissey | Owner:
Type: enhancement | Status: positive_review
Priority: major | Milestone: sage-6.3
Component: packages: | Resolution:
standard | Merged in:
Keywords: | Reviewers: Nathan Dunfield
Authors: François Bissey | Work issues:
Report Upstream: N/A | Commit:
Branch: | 5a161248dd34be17b790e79a00414354abf0311f
u/fbissey/numpy181 | Stopgaps:
Dependencies: |
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Comment (by fbissey):
Replying to [comment:15 dunfield]:
> I did a little testing, and definitely the issue is a result of the
scipy upgrade and not the numpy one. It also shows up on OS X version
10.8 as well.
>
> My experience is that the last digit in numerics like this can be
remarkably sensitive to the OS/CPU/compiler version/phase of the moon. I
once had two Ubuntu 12.04 virtual machines running on the same physical
hardware where the last digit differed like this; one had a 32bit kernel
and the other a 64bit one, which you wouldn't think would make a
difference...
>
Oh, yes I would. But then I have seen tickets where that happens in the
last 6 years.
> I think this sort of thing is to be expected, and it certainly seems
harmless enough in this instance. So I've changed the status back to
"positive review".
It is technically harmless it is however a curiosity because the change is
sudden. If I had time I would check other versions of scipy to narrow down
when the change happened and try to understand why.
--
Ticket URL: <http://trac.sagemath.org/ticket/16299#comment:16>
Sage <http://www.sagemath.org>
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