http://www.perlmonks.org?node_id=708368


in reply to nans, infs, and vomit

FWIW, this is my fault, to the extent that I fixed it after it had been broken for a very long time. And it was back in 5.8.8. The relevant IEEE standard would be here (one-time registration required).

If you'd like to make it work on non-POSIX platforms, please do.