#11892: Extend singular_function to non-commutative polynomial rings
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Reporter: SimonKing | Owner: AlexGhitza
Type: defect | Status: new
Priority: major | Milestone: sage-4.7.2
Component: algebra | Keywords:
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies: #4539
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Changes (by SimonKing):
* type: PLEASE CHANGE => defect
Comment:
Replying to [comment:3 PolyBoRi]:
> There is a function called {{{is_sage_wrapper_for_singular_ring}}} in
the plural patch.
> The comment says that it's broken (for whatever reason).
> Shouldn't it be the right place for this check?
Looking at the code, I don't understand why it doesn't work.
However, I have to think how to organise work. Things to do involve
* refactoring sage.rings.polynomial.plural (define rings and elements in
separate modules).
* deriving `NCPolynomialRing_plural` from `MPolynomialRing_libsingular`.
That would suffice to fix this ticket.
* Implement quotients of multivariate polynomial rings and of g-algebras
(#11878)
These three "to-do"s are closely linked.
Do I understand correctly that generally it is better to have several
smaller tickets, rather than one big ticket?
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11892#comment:4>
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