Average Error: 0.2 → 0.2
Time: 13.7s
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 r5025266 = a;
        double r5025267 = acos(r5025266);
        double r5025268 = -r5025267;
        double r5025269 = r5025266 / r5025268;
        return r5025269;
}
↓
double f(double a) {
        double r5025270 = a;
        double r5025271 = acos(r5025270);
        double r5025272 = -r5025271;
        double r5025273 = r5025270 / r5025272;
        return r5025273;
}

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 2019163 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))