Average Error: 0.2 → 0.2
Time: 13.5s
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 r91364 = a;
        double r91365 = acos(r91364);
        double r91366 = -r91365;
        double r91367 = r91364 / r91366;
        return r91367;
}
↓
double f(double a) {
        double r91368 = a;
        double r91369 = acos(r91368);
        double r91370 = -r91369;
        double r91371 = r91368 / r91370;
        return r91371;
}

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 2019179 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))