Average Error: 0.2 → 0.2
Time: 14.5s
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 r3224615 = a;
        double r3224616 = acos(r3224615);
        double r3224617 = -r3224616;
        double r3224618 = r3224615 / r3224617;
        return r3224618;
}
↓
double f(double a) {
        double r3224619 = a;
        double r3224620 = acos(r3224619);
        double r3224621 = -r3224620;
        double r3224622 = r3224619 / r3224621;
        return r3224622;
}

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 2019129 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))