Average Error: 0.2 → 0.2
Time: 18.7s
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 r89704 = a;
        double r89705 = acos(r89704);
        double r89706 = -r89705;
        double r89707 = r89704 / r89706;
        return r89707;
}
↓
double f(double a) {
        double r89708 = a;
        double r89709 = acos(r89708);
        double r89710 = -r89709;
        double r89711 = r89708 / r89710;
        return r89711;
}

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 2019199 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))