Average Error: 0.2 → 0.2
Time: 16.1s
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 r4039798 = a;
        double r4039799 = acos(r4039798);
        double r4039800 = -r4039799;
        double r4039801 = r4039798 / r4039800;
        return r4039801;
}
↓
double f(double a) {
        double r4039802 = a;
        double r4039803 = acos(r4039802);
        double r4039804 = -r4039803;
        double r4039805 = r4039802 / r4039804;
        return r4039805;
}

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 2019135 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))