#13849: deprecate degrevlex when using PolyBoRi
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Reporter: malb | Owner: malb
Type: enhancement | Status: new
Priority: major | Milestone: sage-5.6
Component: commutative algebra | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers:
Authors: | Merged in:
Dependencies: | Stopgaps:
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Comment (by AlexanderDreyer):
Replying to [comment:6 malb]:
> Alright, I'll deprecate the use of degrevlex in !PolyBoRi then.
>
> But I have to admit that I don't understand:
>
> > We have now !DegNegLex (=dp_asc) in Sage, so one could use that
instead (and of course
> > reverse variables manually).
Before I added `DegNegLex`, it had not been possible to emulate
`DegRevLex` by taking another ordering and revert the variable vector
''manually''. This was just because that corresponding other ordering had
not been there (for the user), yet. (So the automated reversion was done
for allowing the user to access `dp_asc` somehow, but it was error-prone,
etc...)
Today, a Sage-user can just use `DegNegLex` like a ipbori-user uses
`dp_asc`, so indeed the hacked `DegRevLex` is not needed any more.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13849#comment:7>
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