Average Error: 0.2 → 0.2
Time: 15.4s
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 r4295612 = a;
        double r4295613 = acos(r4295612);
        double r4295614 = -r4295613;
        double r4295615 = r4295612 / r4295614;
        return r4295615;
}
↓
double f(double a) {
        double r4295616 = a;
        double r4295617 = acos(r4295616);
        double r4295618 = -r4295617;
        double r4295619 = r4295616 / r4295618;
        return r4295619;
}

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))))