#7099: serious incomplete gamma function precision bugs
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Reporter: was | Owner: jkantor
Type: defect | Status: needs_review
Priority: critical | Milestone: sage-6.2
Component: numerical | Resolution:
Keywords: | Merged in:
Authors: Peter Bruin | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/pbruin/7099-incomplete_gamma | 78ba9638700d8cd9d4b18d83323af8fe9507a7ba
Dependencies: | Stopgaps:
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Comment (by kcrisman):
> > Isn't this the only and actual bug? That the following doesn't depend
on the `prec` parameter.
> > {{{
> > sage: numerical_approx(gamma(9,10^-3), prec=1024)
> > 40320.0000000000
> > }}}
>
> is `prec` parameter mentioned in the doc on `gamma`? It doesn't, IMHO.
> Are there other transcendentals for which this parameter does work?
I was pretty sure we were deprecating the `prec` keyword **inside** such
functions. But this is apparently a keyword of `numerical_approx`, which
is different. In which case it should just pass the precision on
correctly somewhere else.
--
Ticket URL: <http://trac.sagemath.org/ticket/7099#comment:16>
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