はてなブックマーク

Measured over the DevTools protocol on Chrome 150: Linux (glibc), macOS 26 on Apple Silicon (libsystem_m), Windows 11 (ucrtbase.dll). tanh(0.5) is one of the roughly three-in-four inputs where everyone agrees, which is exactly why it makes a useless probe. tanh(0.8) is one that separates all three at once. One tanh call on the right input is a per-OS signature. Claim macOS, return Linux math bits,