On Sat, 02 Jun 2018 21:51:16 +0100, Ben Bacarisse wrote: > Paul Rubin <no.email@nospam.invalid> writes: > >> Steven D'Aprano <steve+comp.lang.pyt...@pearwood.info> writes: >>> it too will mess up sorting in unpredictable ways. So don't do that. >> >> Hmm. GHCi 7.4.2: >> >> Prelude> let x = 0.0 / 0.0 >> Prelude> x >> NaN >> Prelude> x==x >> False >> Prelude> :m Data.List >> Prelude Data.List> sort [1,2,x,4,5] >> [1.0,2.0,4.0,5.0,NaN] > > But > > Prelude Data.List> sort [1,x,2,4,5] > [2.0,4.0,5.0,NaN,1.0]
Thanks Ben, and Paul (unfortunately I don't see Paul's messages for some reason). If users of the statistics library would like to see better or different support for NANs, I urge you to let me know. -- Steven D'Aprano "Ever since I learned about confirmation bias, I've been seeing it everywhere." -- Jon Ronson -- https://mail.python.org/mailman/listinfo/python-list
