Average Error: 0.3 → 0.3
Time: 21.9s
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 r4689166 = a;
        double r4689167 = acos(r4689166);
        double r4689168 = -r4689167;
        double r4689169 = r4689166 / r4689168;
        return r4689169;
}
↓
double f(double a) {
        double r4689170 = a;
        double r4689171 = acos(r4689170);
        double r4689172 = -r4689171;
        double r4689173 = r4689170 / r4689172;
        return r4689173;
}

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 2019200 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))