Portably generating infinity and NaN

[Paul Rubin]

skip at pobox.com writes:
> But PEP 754 will only work for architectures supporting IEEE 754.  I realize
> that's the vast majority of systems, but aren't there still a few Crays and
> VMS machines out there?  (Do those architectures support NaN and Inf?)

I wouldn't worry about it.  There are Python subsystems (like threads) that
don't work on certain OS's, fine, total portability means not being able to
rely on them, and that's ok.  I doubt any Crays are still running, or at least
running any numerical code written in Python.  Same for VMS.