#5332: Convert MV polynomial constructors in multi_polynomial_ideal.py,
category_object.py, etc
-------------------------------------+-------------------------------------
Reporter: mabshoff | Owner: mabshoff
Type: enhancement | Status: needs_info
Priority: trivial | Milestone: sage-6.4
Component: documentation | Resolution:
Keywords: | Merged in:
Authors: Marc Mezzarobba | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/mmezzarobba/5332-objgen | c098677d560ea8b2d7e9ee5a12f58cb89193be3a
Dependencies: | Stopgaps:
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Comment (by vdelecroix):
Replying to [comment:22 mmezzarobba]:
> Replying to [comment:21 vdelecroix]:
> > I will update a commit in a minute. Few questions first:
> >
> > - what about other parts of the doc? (I have a commit ready for that)
>
> Which “other parts” are you talking about?
Number field
{{{
sage: K.<a> = NumberField(x^2 - 2)
}}}
Finite fields
{{{
sage: K.<a> = GF(3^5)
}}}
Power series
{{{
sage: R.<x> = QQ[[]]
}}}
Dirichlet group
{{{
sage: G.<e> = DirichletGroup(20)
}}}
There are more or less a dozen of files (including `sage/schemes` and
`sage/modular`).
> > - what about the call to `objgen` or `objgens` in the code? (I have a
commit to get rid of that)
> > - what about deprecating the global functions `objgen` and `objgens`
as well as the methods on `CategoryObject`?
>
> In library code, they are very useful!
I agree that the method is useful on number fields, polynomial rings,
power series. But at the level of category objects or parent?
Vincent
PS: Not speaking about the fact that
{{{
K = NumberField(x^2 - 2, 'a')
a = K.gen()
}}}
is faster, less cryptic and more economic in characters than
{{{
K,a = NumberField(x^2-2,'a').objgen()
}}}
--
Ticket URL: <http://trac.sagemath.org/ticket/5332#comment:23>
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