Average Error: 0.2 → 0.2
Time: 15.2s
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 r4546353 = a;
        double r4546354 = acos(r4546353);
        double r4546355 = -r4546354;
        double r4546356 = r4546353 / r4546355;
        return r4546356;
}
↓
double f(double a) {
        double r4546357 = a;
        double r4546358 = acos(r4546357);
        double r4546359 = -r4546358;
        double r4546360 = r4546357 / r4546359;
        return r4546360;
}

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 2019163 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))