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

posted by mittyri – Russia, 2019-07-20 22:43 (794 d 15:14 ago) – Posting: # 20416
Views: 9,002

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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