Average Error: 0.3 → 0.3
Time: 14.9s
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 r3374681 = a;
        double r3374682 = acos(r3374681);
        double r3374683 = -r3374682;
        double r3374684 = r3374681 / r3374683;
        return r3374684;
}
↓
double f(double a) {
        double r3374685 = a;
        double r3374686 = acos(r3374685);
        double r3374687 = -r3374686;
        double r3374688 = r3374685 / r3374687;
        return r3374688;
}

Error

Bits error versus a

Try it out

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 2019168 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))