[Python-Dev] Re: Should we require IEEE 754 floating-point for CPython?

2022年2月08日 14:41:50 -0800

On Mon, Feb 07, 2022 at 06:23:52PM +0000, Mark Dickinson wrote:
> - Should we require IEEE 754 floating-point for CPython-the-implementation?
> - Should we require IEEE 754 floating-point for Python-the-language?
If the answer to those questions are Yes, that rules out using Unums, 
posits, sigmoid numbers etc as the builtin float. (The terminology is a 
bit vague, sorry.) Do we want that?
https://ieeexplore.ieee.org/document/8080000
https://en.wikipedia.org/wiki/Unum_%28number_format%29
https://github.com/interplanetary-robot/SigmoidNumbers
Posits are hyped as "better than IEEE-754", I have no idea if it is all 
hype or if they actually are better or just different.
-- 
Steve
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