On Sat, Dec 28, 2019 at 7:03 PM Steve Barnes <gadgetst...@live.co.uk> wrote: > > Personally I still like the fundamental: > > > > def is_nan(num): > > “”” Test for NaN “”” > > return num != num >
Which was in Steven's original post, and which is dangerous because a signalling nan will bomb. There's no easy way to get a safe True/False about whether it's nan or not. ChrisA _______________________________________________ Python-ideas mailing list -- python-ideas@python.org To unsubscribe send an email to python-ideas-le...@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/BVCDQNSBJV7YY7Z46HEGCLG7WHSJKHUS/ Code of Conduct: http://python.org/psf/codeofconduct/