Average Error: 0.3 → 0.3
Time: 14.7s
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 r92628 = a;
        double r92629 = acos(r92628);
        double r92630 = -r92629;
        double r92631 = r92628 / r92630;
        return r92631;
}
↓
double f(double a) {
        double r92632 = a;
        double r92633 = acos(r92632);
        double r92634 = -r92633;
        double r92635 = r92632 / r92634;
        return r92635;
}

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 2019174 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))