Average Error: 0.2 → 0.2
Time: 26.0s
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 r5235560 = a;
        double r5235561 = acos(r5235560);
        double r5235562 = -r5235561;
        double r5235563 = r5235560 / r5235562;
        return r5235563;
}
↓
double f(double a) {
        double r5235564 = a;
        double r5235565 = acos(r5235564);
        double r5235566 = -r5235565;
        double r5235567 = r5235564 / r5235566;
        return r5235567;
}

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 2019152 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))