#9706: New Version of orthogonal Polynomials
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Reporter: maldun | Owner: burcin, maldun
Type: enhancement | Status: needs_review
Priority: minor | Milestone: sage-4.5.3
Component: symbolics | Keywords: orthogonal polynomials, symbolics
Author: Stefan Reiterer | Upstream: N/A
Reviewer: | Merged:
Work_issues: |
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Comment(by maldun):
Replying to [comment:23 maldun]:
> Replying to [comment:22 fredrik.johansson]:
> > Why is mpmath's precision used by default? Shouldn't the default be RR
/ CC precision? Actually, does _evalf_ ever get called without this
information?
> >
> > Some complex tests would be nice.
> >
>
> This is a good point, and it shouldn't be a problem to change that.
> But I don't think it's a big deal, because the function takes the
"parents" precision, which means, if my input is RR it evals it with RR's
precision.
>
> Of course can you call _evalf_ just with (), and then the default value
is used.
>
Ok sorry, wrong explination: when your input are exact data types like ZZ
ore QQ then the parent has no precision, then you need a default value
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/9706#comment:24>
Sage <http://www.sagemath.org>
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