Average Error: 0.3 → 0.3
Time: 11.8s
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 r104499 = a;
        double r104500 = acos(r104499);
        double r104501 = -r104500;
        double r104502 = r104499 / r104501;
        return r104502;
}
↓
double f(double a) {
        double r104503 = a;
        double r104504 = acos(r104503);
        double r104505 = -r104504;
        double r104506 = r104503 / r104505;
        return r104506;
}

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 2019195 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))