Average Error: 0.3 → 0.3
Time: 15.8s
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 r3177836 = a;
        double r3177837 = acos(r3177836);
        double r3177838 = -r3177837;
        double r3177839 = r3177836 / r3177838;
        return r3177839;
}
↓
double f(double a) {
        double r3177840 = a;
        double r3177841 = acos(r3177840);
        double r3177842 = -r3177841;
        double r3177843 = r3177840 / r3177842;
        return r3177843;
}

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 2019168 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))