Average Error: 0.2 → 0.2
Time: 28.2s
Precision: 64
Internal Precision: 384
\[\frac{a}{-\cos^{-1} a}\]
↓
\[\frac{a}{-\cos^{-1} a}\]

Error

Bits error versus a

Derivation

  1. Initial program 0.2

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

Runtime

Time bar (total: 28.2s)Debug logProfile

herbie shell --seed '#(1063185673 2139736501 2393378123 1907444849 1070993796 1007244912)' 
(FPCore (a)
  :name "Random Jason Timeout Test 010"
  (/ a (- (acos a))))