#11115: Rewrite cached_method in Cython
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Reporter: SimonKing | Owner: jason
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-4.7.2
Component: misc | Keywords: category cython cache
Work_issues: | Upstream: N/A
Reviewer: | Author: Simon King
Merged: | Dependencies: sage-4.7, #9976, #11298, #11342
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Comment(by vbraun):
Replying to [comment:62 SimonKing]:
> Replying to [comment:61 vbraun]:
> > Thats x86 FPU for you! Working as intended!
> What does that mean?
This means that rounding on x86 double precision is perilous at best.
Standard FPU and SSE instructions have different precision, and just to
make sure you can never figure out what happened there is rounding when
certain register values are stored in memory. Just fix up the doctests.
They were probably caused by the updated atlas spkg which we haven't
tested on your architecture / compiler version...
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11115#comment:64>
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