Average Error: 0.3 → 0.3
Time: 1.1m
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 r4765633 = a;
        double r4765634 = acos(r4765633);
        double r4765635 = -r4765634;
        double r4765636 = r4765633 / r4765635;
        return r4765636;
}
↓
double f(double a) {
        double r4765637 = a;
        double r4765638 = acos(r4765637);
        double r4765639 = -r4765638;
        double r4765640 = r4765637 / r4765639;
        return r4765640;
}

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 2019144 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))