#15921: work around Maxima fpprintprec bug and other ARM-specific problems
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Reporter: dimpase | Owner:
Type: defect | Status: needs_review
Priority: major | Milestone: sage-6.3
Component: calculus | Resolution:
Keywords: Maxima, | Merged in:
fpprintprec, ARM | Reviewers: Peter Bruin
Authors: | Work issues:
Report Upstream: Reported | Commit:
upstream. Developers acknowledge | b8fea1cb11554aff202cd669342136d5a4ea084c
bug. | Stopgaps:
Branch: |
u/pbruin/15921-arm_fixes |
Dependencies: |
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Comment (by dimpase):
Replying to [comment:38 pbruin]:
>
> What explains the difference between ARM and x86_64 in the cases of
interest for us is just floating point noise.
perhaps I should clarify the issue that is behind the gamma-function
related things.
One can have the same C code for x86_64 and for ARM which will produce
different FP results, if one uses the `long double` type.
The latter is 16 bytes on x86_64, but only 8 bytes on ARM. I'm 99% sure
this is the problem behind the eglibc issue.
--
Ticket URL: <http://trac.sagemath.org/ticket/15921#comment:39>
Sage <http://www.sagemath.org>
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