Average Error: 0.3 → 0.3
Time: 11.6s
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 r5662768 = a;
        double r5662769 = acos(r5662768);
        double r5662770 = -r5662769;
        double r5662771 = r5662768 / r5662770;
        return r5662771;
}
↓
double f(double a) {
        double r5662772 = a;
        double r5662773 = acos(r5662772);
        double r5662774 = -r5662773;
        double r5662775 = r5662772 / r5662774;
        return r5662775;
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

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

  2. Final simplification0.3

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

Reproduce

herbie shell --seed 2019172 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))