Average Error: 0.2 → 0.2
Time: 12.1s
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 r96999 = a;
        double r97000 = acos(r96999);
        double r97001 = -r97000;
        double r97002 = r96999 / r97001;
        return r97002;
}
↓
double f(double a) {
        double r97003 = a;
        double r97004 = acos(r97003);
        double r97005 = -r97004;
        double r97006 = r97003 / r97005;
        return r97006;
}

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 2020045 
(FPCore (a)
  :name "Fuzzer 001"
  :precision binary64
  (/ a (- (acos a))))