floating-point math is always more complex than you think it is [Software]

posted by mittyri – Russia, 2019-07-21 00:43 (1345 d 21:51 ago) – Posting: # 20416
Views: 12,066

Hi ElMaestro,

Match(6, 6.001, 0.01)


❝ Ugly as hell :vomit:, and will not work well if you get into extreme binary representations.


take a look at
if (Abs(x - y) <= absTol * Max(1.0f, Abs(x), Abs(y)))
the description is here

One may consider ULP, pros and cons described here

Kind regards,
Mittyri

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