Average Error: 0.3 → 0.3
Time: 5.1s
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 r690 = a;
        double r691 = acos(r690);
        double r692 = -r691;
        double r693 = r690 / r692;
        return r693;
}
↓
double f(double a) {
        double r694 = a;
        double r695 = acos(r694);
        double r696 = -r695;
        double r697 = r694 / r696;
        return r697;
}

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 2020025 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))