Toot

Written by Adam Chalmers on 2024-11-17 at 18:13

Today I learned that f64::tan (or maybe f64::to_radians?) produces different results (given the same inputs) on my ARM MacBook and on x86_64 Linux.

The math consistently returns -3.40476137196133 on one, and -3.4047613719613308 on the other. At least it's deterministic. Happening on both debug and release builds.

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