Average Error: 0.3 → 0.3
Time: 14.1s
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 r71527 = a;
        double r71528 = acos(r71527);
        double r71529 = -r71528;
        double r71530 = r71527 / r71529;
        return r71530;
}
↓
double f(double a) {
        double r71531 = a;
        double r71532 = acos(r71531);
        double r71533 = -r71532;
        double r71534 = r71531 / r71533;
        return r71534;
}

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 2019208 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))