Average Error: 0.3 → 0.3
Time: 11.4s
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 r110007 = a;
        double r110008 = acos(r110007);
        double r110009 = -r110008;
        double r110010 = r110007 / r110009;
        return r110010;
}
↓
double f(double a) {
        double r110011 = a;
        double r110012 = acos(r110011);
        double r110013 = -r110012;
        double r110014 = r110011 / r110013;
        return r110014;
}

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 2019195 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))