#6391: libGAP! -- create a Cython library interface to gap
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Reporter: was | Owner: was
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.6.2
Component: interfaces | Keywords:
Author: | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by was):
Replying to [comment:22 dimpase]:
> class Gap(ParentWithBase) is instantiated only once, for base=ZZ. Is it
meant that it should be instantiated for other bases, too? And if so,
which ones? (I must say it's very puzzling to me piece of code...)
>
No, only once for base=ZZ.
> in the class GapElement, _div_ and other member functions can
potentially fail (as demonstrated in the comment "This log pretty much
explains what/why/what next:..." above), e.g. due to division by 0. It is
meant that the corresponding checks are to be implemented in these member
functions? I guess not, it's rather a matter of properly catching the
corresponding GAP interrupts, right?
>
Yes. I don't know if GAP uses "interrupts" though. You are basically
above asking: "Here is a problem nobody has solved yet, which is why
libgap hasn't moved forward. What is the solution?"
> What _dealloc_ in this class meant to do?
See {{__dealloc__}} at
http://docs.cython.org/src/reference/extension_types.html for the
definition of __dealloc__. It is like __del__ in python.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6391#comment:23>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
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