Average Error: 0.2 → 0.2
Time: 19.2s
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 r95650 = a;
        double r95651 = acos(r95650);
        double r95652 = -r95651;
        double r95653 = r95650 / r95652;
        return r95653;
}

double f(double a) {
        double r95654 = a;
        double r95655 = acos(r95654);
        double r95656 = -r95655;
        double r95657 = r95654 / r95656;
        return r95657;
}

Error

Bits error versus a

Try it out

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 2019306 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))