2008/7/2 Zbyszek Szmek <[EMAIL PROTECTED]>: >> That's Ticket #709 <http://projects.scipy.org/scipy/numpy/ticket/709>: >> >> > I'm faily sure that: >> > numpy.isnan(datetime.datetime.now() >> > ...should just return False and not raise an exception. > IMHO numpy.isnan() makes no sense for non-numerical types.
I agree with Chuck's rationale [if someone asks me whether a peanut butter sandwhich is a Koala bear, then I'd say no, without trying to cast the sandwhich to a mammal], and it seems that other ufuncs try to be general this way, e.g. np.add handles arbitrary classes with __add__ methods. Cheers Stéfan _______________________________________________ Numpy-discussion mailing list Numpy-discussion@scipy.org http://projects.scipy.org/mailman/listinfo/numpy-discussion
