Average Error: 0.2 → 0.2
Time: 14.2s
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 r118781 = a;
        double r118782 = acos(r118781);
        double r118783 = -r118782;
        double r118784 = r118781 / r118783;
        return r118784;
}
↓
double f(double a) {
        double r118785 = a;
        double r118786 = acos(r118785);
        double r118787 = -r118786;
        double r118788 = r118785 / r118787;
        return r118788;
}

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 2020043 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))