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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: Parsing timestamps?
Date: Wed, 09 Jul 2025 21:35:20 -0700
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dxf <dxforth@gmail.com> writes:
> I suspect IEEE simply standardized what had become common practice among
> implementers.

No, it was really new and interesting.  
https://people.eecs.berkeley.edu/~wkahan/ieee754status/754story.html

> What little I know about SSE2 it's not as well thought out or organized
> as Intel's original effort.  E.g. doing something as simple as changing
> sign of an fp number is a pain when NANs are factored in. 

I wonder if later SSE/AVX/whatever versions fixed this stuff.