Average Error: 0.2 → 0.2
Time: 27.4s
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 r4080296 = a;
        double r4080297 = acos(r4080296);
        double r4080298 = -r4080297;
        double r4080299 = r4080296 / r4080298;
        return r4080299;
}
↓
double f(double a) {
        double r4080300 = a;
        double r4080301 = acos(r4080300);
        double r4080302 = -r4080301;
        double r4080303 = r4080300 / r4080302;
        return r4080303;
}

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 2019142 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))