Average Error: 0.3 → 0.3
Time: 31.8s
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 r279710 = a;
        double r279711 = acos(r279710);
        double r279712 = -r279711;
        double r279713 = r279710 / r279712;
        return r279713;
}
↓
double f(double a) {
        double r279714 = a;
        double r279715 = acos(r279714);
        double r279716 = -r279715;
        double r279717 = r279714 / r279716;
        return r279717;
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

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

  2. Final simplification0.3

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

Reproduce

herbie shell --seed 2020046 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))