Average Error: 0.3 → 0.3
Time: 23.1s
Precision: 64
Internal Precision: 384
\[\frac{a}{-\cos^{-1} a}\]
↓
\[\frac{a}{-\cos^{-1} a}\]

Error

Bits error versus a

Derivation

  1. Initial program 0.3

    \[\frac{a}{-\cos^{-1} a}\]
  2. Removed slow pow expressions.

Runtime

Time bar (total: 23.1s)Debug logProfile

herbie shell --seed '#(1062930989 876886121 3990119081 3032829768 3060892583 1929069376)' 
(FPCore (a)
  :name "Random Jason Timeout Test 010"
  (/ a (- (acos a))))