Average Error: 0.3 → 0.3
Time: 17.7s
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 r8926807 = a;
        double r8926808 = acos(r8926807);
        double r8926809 = -r8926808;
        double r8926810 = r8926807 / r8926809;
        return r8926810;
}
↓
double f(double a) {
        double r8926811 = a;
        double r8926812 = acos(r8926811);
        double r8926813 = -r8926812;
        double r8926814 = r8926811 / r8926813;
        return r8926814;
}

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 2019173 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))