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 r2577820 = a;
        double r2577821 = acos(r2577820);
        double r2577822 = -r2577821;
        double r2577823 = r2577820 / r2577822;
        return r2577823;
}
↓
double f(double a) {
        double r2577824 = a;
        double r2577825 = acos(r2577824);
        double r2577826 = -r2577825;
        double r2577827 = r2577824 / r2577826;
        return r2577827;
}

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 2019143 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))