Average Error: 0.3 → 0.3
Time: 11.9s
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 r2781533 = a;
        double r2781534 = acos(r2781533);
        double r2781535 = -r2781534;
        double r2781536 = r2781533 / r2781535;
        return r2781536;
}
↓
double f(double a) {
        double r2781537 = a;
        double r2781538 = acos(r2781537);
        double r2781539 = -r2781538;
        double r2781540 = r2781537 / r2781539;
        return r2781540;
}

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 2019133 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))