Average Error: 0.2 → 0.2
Time: 11.3s
Precision: 64
\[\frac{a}{-\cos^{-1} a}\]
↓
\[\frac{a}{-\cos^{-1} a}\]
\frac{a}{-\cos^{-1} a}
↓
\frac{a}{-\cos^{-1} a}
double f(double a) {
        double r2196795 = a;
        double r2196796 = acos(r2196795);
        double r2196797 = -r2196796;
        double r2196798 = r2196795 / r2196797;
        return r2196798;
}
↓
double f(double a) {
        double r2196799 = a;
        double r2196800 = acos(r2196799);
        double r2196801 = -r2196800;
        double r2196802 = r2196799 / r2196801;
        return r2196802;
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.2

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

  2. Final simplification0.2

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

Reproduce

herbie shell --seed 2019152 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))