On Mon, Apr 20, 2009 at 11:42 PM, Wes McKinney <wesmck...@gmail.com> wrote: > I assume that, because NaN != NaN, even though both have the same hash value > (hash(NaN) == -32768), that Python treats any NaN double as a distinct key > in a dictionary.
I think that strictly speaking, nan should not be hashable because of nan != nan. But since that's not an error in python, I am not sure we should do something about it. David _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://mail.scipy.org/mailman/listinfo/numpy-discussion
