Average Error: 0.3 → 0.3
Time: 855.0ms
Precision: binary64
\[\frac{\sin^{-1} \left(-z\right) \cdot 180}{\pi}\]
\[\frac{\sin^{-1} \left(-z\right) \cdot 180}{\pi}\]

Error

Bits error versus z

Derivation

  1. Initial program 0.3

    \[\frac{\sin^{-1} \left(-z\right) \cdot 180}{\pi}\]
  2. Final simplification0.3

    \[\leadsto \frac{\sin^{-1} \left(-z\right) \cdot 180}{\pi}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (z)
  :name "(/ (* (asin (- z)) 180) PI)"
  :precision binary64
  (/ (* (asin (neg z)) 180.0) PI))