STINNER Victor <vstin...@python.org> added the comment:
See also math.isclose() and its PEP 485 which mentions ULP (Unit in the Last Place)... in the "Inappropriate uses" section :-) * https://docs.python.org/dev/library/math.html#math.isclose * https://www.python.org/dev/peps/pep-0485/#inappropriate-uses Extract of an old python-ideas discussion on adding nextafter(): "It's also a little weird to jump from nextafter to isclose, since AFAIK they have pretty much non-overlapping use cases..." https://mail.python.org/pipermail/python-ideas/2017-February/044832.html Other links: * https://en.wikipedia.org/wiki/Unit_in_the_last_place * https://en.wikipedia.org/wiki/Machine_epsilon * https://en.wikipedia.org/wiki/IEEE_754 ---------- _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue39310> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com
