Average Error: 0.2 → 0.2
Time: 14.6s
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 r4064888 = a;
        double r4064889 = acos(r4064888);
        double r4064890 = -r4064889;
        double r4064891 = r4064888 / r4064890;
        return r4064891;
}
↓
double f(double a) {
        double r4064892 = a;
        double r4064893 = acos(r4064892);
        double r4064894 = -r4064893;
        double r4064895 = r4064892 / r4064894;
        return r4064895;
}

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 2019162 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))