Average Error: 0 → 0
Time: 583.0ms
Precision: binary64
\[\cos^{-1} a\]
↓
\[\cos^{-1} a\]
\cos^{-1} a
↓
\cos^{-1} a
double code(double a) {
	return ((double) acos(a));
}
↓
double code(double a) {
	return ((double) acos(a));
}

Error

Bits error versus a

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\cos^{-1} a\]

  2. Final simplification0

    \[\leadsto \cos^{-1} a\]

Reproduce

herbie shell --seed 2020153 
(FPCore (a)
  :name "(acos a)"
  :precision binary64
  (acos a))