Average Error: 0.2 → 0.2
Time: 11.1s
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 r78262 = a;
        double r78263 = acos(r78262);
        double r78264 = -r78263;
        double r78265 = r78262 / r78264;
        return r78265;
}
↓
double f(double a) {
        double r78266 = a;
        double r78267 = acos(r78266);
        double r78268 = -r78267;
        double r78269 = r78266 / r78268;
        return r78269;
}

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 2019194 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))