#2516: generalized hypergeometric functions should be implemented
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Reporter: ddrake | Owner: cwitty
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-6.2
Component: symbolics | Resolution:
Keywords: hypergeometric | Merged in:
Authors: Fredrik | Reviewers: Ralf Stephan
Johansson, Eviatar Bach, Ralf | Work issues:
Stephan | Commit:
Report Upstream: N/A | ebe4c6a12c88cf6fdf0e7eb7b43bcfe05dcab8a4
Branch: | Stopgaps:
u/rws/generalized_hypergeometric_functions_should_be_implemented|
Dependencies: #14858 #14780 |
#9556 #14802 |
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Comment (by rws):
Replying to [comment:36 nbruin]:
> One shouldn't touch the `__name__` attribute, and certainly not during
arbitrary executing code!
Do you have a reference for that?
> Is it clear what code depends on the `__name__` being identical to
`__repr__`?
It fixes the issue mentioned above where the doctest gets different output
than interactive Sage. The first doctest in `_fast_callable_`.
> Can we solve this issue (cheaply) during `__init__`.
Nope it happens after `__init__`
> or perhaps avoid the clobbering altogether?
It is a consequence of `hypergeometric` being a SE with tuples as
parameter. In the`Expression` constructor the class gets changed using
`dynamic_class()` and this appears to be responsible.
Overall, all long tests pass and I see no reason to hold this old ticket
any longer.
--
Ticket URL: <http://trac.sagemath.org/ticket/2516#comment:37>
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