- raise an exception

- return NAN

- ignore it (filter out NANs)

Does anyone have any strong feelings about what should be the default?

Filtering our NaNs should *not* be the default. Often NaN means missing data, but could also be the result of an error of some sort. Incorrect results are much worse than errors — NaNs should never be ignored unless explicitly asked for.

Beyond that, I’d prefer returning NaN to raising an exception, but either is OK.

-CHB

--
Steve
_______________________________________________
Python-ideas mailing list -- python-ideas@python.org
To unsubscribe send an email to python-ideas-leave@python.org
https://mail.python.org/mailman3/lists/python-ideas.python.org/
Message archived at https://mail.python.org/archives/list/python-ideas@python.org/message/EDRF2NR4UOYMSKE64KDI2SWUMKPAJ3YM/
Code of Conduct: http://python.org/psf/codeofconduct/