Average Error: 0.2 → 0.2
Time: 1.1m
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 r19769389 = a;
        double r19769390 = acos(r19769389);
        double r19769391 = -r19769390;
        double r19769392 = r19769389 / r19769391;
        return r19769392;
}
↓
double f(double a) {
        double r19769393 = a;
        double r19769394 = acos(r19769393);
        double r19769395 = -r19769394;
        double r19769396 = r19769393 / r19769395;
        return r19769396;
}

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 2019107 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))