Average Error: 0.2 → 0.2
Time: 10.0s
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 r3735936 = a;
        double r3735937 = acos(r3735936);
        double r3735938 = -r3735937;
        double r3735939 = r3735936 / r3735938;
        return r3735939;
}
↓
double f(double a) {
        double r3735940 = a;
        double r3735941 = acos(r3735940);
        double r3735942 = -r3735941;
        double r3735943 = r3735940 / r3735942;
        return r3735943;
}

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 2019165 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))