On Sat, Dec 28, 2019 at 09:35:07PM -0800, Christopher Barker wrote: > On Sat, Dec 28, 2019 at 3:40 PM David Mertz <me...@gnosis.cx> wrote: > > > What about Decimal snan? > > > > That version tries to call .is_nan() first, so works fine with the Decimal > snan. > > But as Nark pointed out, having an s an raise maybe the right thing to do > anyway— it should not be used to indicate a missing value anyway.
Merely testing whether a value is a NAN or not should not trigger the "signalling" part of a signalling NAN. Only comparisons and mathematical operations on sNANs should signal. Support for floating point sNANs is patchy and hardware dependent. See here for more discussion: https://mail.python.org/archives/list/python-...@python.org/thread/35NECLGFIVAHWTIPAYDBJOJJX3FSY233/ -- Steven _______________________________________________ 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/CD7DI7NDCILFMBWV52PXZVKAIXRDL722/ Code of Conduct: http://python.org/psf/codeofconduct/
