Average Error: 0.3 → 0.3
Time: 35.5s
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 r4568653 = a;
        double r4568654 = acos(r4568653);
        double r4568655 = -r4568654;
        double r4568656 = r4568653 / r4568655;
        return r4568656;
}
↓
double f(double a) {
        double r4568657 = a;
        double r4568658 = acos(r4568657);
        double r4568659 = -r4568658;
        double r4568660 = r4568657 / r4568659;
        return r4568660;
}

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))))