#11667: Cache groebner basis independend of degree bound
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Reporter: vbraun
| Owner: malb
Type: enhancement
| Status: needs_work
Priority: major
| Milestone: sage-4.7.2
Component: commutative algebra
| Keywords:
Work_issues: Error prone computations may be done explicitly, but must not be
the default | Upstream: N/A
Reviewer: Simon King
| Author: Volker Braun
Merged:
| Dependencies:
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Comment(by john_perry):
Replying to [comment:9 vbraun]:
> Replying to [comment:8 SimonKing]:
> > I don't understand what `truncated_groebner_basis(force=True)` is
supposed to do. Do you mean that it should insert the truncated basis into
the cache of the `groebner_basis` method (in the way I indicated earlier),
such that it will be used in all subsequent normal form computations?
>
> Yes, that is what I meant. This will ensure it is used in _all_
subsequent computations, not just normal forms.
If the user subsequently called `groebner_basis()`, would it return the
truncated version even if the correct basis was desired? If so, how would
one avoid that? I could easily see someone in the future using
`truncated_groebner_basis(force=true)` and someone else having problems
because (s)he is unaware that `groebner_basis()` is returning a cached
method.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11667#comment:13>
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