Hi Martin!
On Tue, Mar 13, 2012 at 09:53:08AM +0100, Martin Rubey wrote:
> I just noticed that
>
> Partitions(-1).list() # or any negative integer
>
> gives a maximum recursion depth exceeded error. I think it should
> return the empty list, right?
Yeah, or probably simply throw a ValueError?
If yes, you are welcome to create ticket, and post a patch adding a
non-negativity test line 3341 of sage.combinat.partition.py, around:
if isinstance(n, (int,Integer)):
return Partitions_n(n)
else:
raise ValueError, "n must be an integer"
together with an appropriate doctest.
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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