#19084: libSingular functions' ring parameter defaults to a dummy ring
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Reporter: klee | Owner:
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-7.2
Component: interfaces | Resolution:
Keywords: | Merged in:
Authors: Kwankyu Lee | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/klee/libsingular | 772e3f818fc14f9fe32efcbcd03e0ab04985705c
Dependencies: | Stopgaps:
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Comment (by SimonKing):
Replying to [ticket:19084 klee]:
> libSingular functions require a ring parameter set. But for some
functions the ring parameter is redundant.
>
> Martin Albrecht answers to this issue:
>
> We could do this:
>
> - if no ring is given, we try to find one as we do currently.
> - if that fails because the inputs are not polynomials of any kind, we
could use a dummy ring.
>
> We implement this.
I thought I have seen dummy rings in the libsingular code a couple of
years ago. So, I am surprised that you say "we implement this". I am not
sure, though, whether I will find the time to check the current code.
--
Ticket URL: <http://trac.sagemath.org/ticket/19084#comment:16>
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