Average Error: 0 → 0
Time: 1.1s
Precision: 64
\[\cos^{-1} x\]
\[\cos^{-1} x\]
\cos^{-1} x
\cos^{-1} x
double f(double x) {
        double r339816 = x;
        double r339817 = acos(r339816);
        return r339817;
}

double f(double x) {
        double r339818 = x;
        double r339819 = acos(r339818);
        return r339819;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\cos^{-1} x\]
  2. Final simplification0

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

Reproduce

herbie shell --seed 1 
(FPCore (x)
  :name "acos(x)"
  :precision binary64
  (acos x))