Average Error: 0.2 → 0.2
Time: 12.1s
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 r4658298 = a;
        double r4658299 = acos(r4658298);
        double r4658300 = -r4658299;
        double r4658301 = r4658298 / r4658300;
        return r4658301;
}
↓
double f(double a) {
        double r4658302 = a;
        double r4658303 = acos(r4658302);
        double r4658304 = -r4658303;
        double r4658305 = r4658302 / r4658304;
        return r4658305;
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.2

    \[\frac{a}{-\cos^{-1} a}\]

  2. Final simplification0.2

    \[\leadsto \frac{a}{-\cos^{-1} a}\]

Reproduce

herbie shell --seed 2019171 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))