this post was submitted on 02 Jan 2025
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Science Memes

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IEEE 754 (cdn.fosstodon.org)
submitted 5 days ago by [email protected] to c/[email protected]
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cross-posted from: https://lemmy.ml/post/24332731

~~Stolen~~ Cross-posted from here: https://fosstodon.org/@foo/113731569632505985

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[–] [email protected] 2 points 4 days ago

Well, rules like “all integers can be represented up to 2^24” and “10^-38 is where denormalisation happens” are helpful, but I often have to figure out why I got a dodgy value from first principles, floating point is too complicated to solve every problem with 3 general rules.

I wrote a float from string function once which obviously requires the details (intentionally low quality and limited but faster variant since the standard version was way too slow).