Average Error: 0.2 → 0.2
Time: 20.2s
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 r116702 = a;
        double r116703 = acos(r116702);
        double r116704 = -r116703;
        double r116705 = r116702 / r116704;
        return r116705;
}
↓
double f(double a) {
        double r116706 = a;
        double r116707 = acos(r116706);
        double r116708 = -r116707;
        double r116709 = r116706 / r116708;
        return r116709;
}

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 2019304 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))