Average Error: 0.3 → 0.3
Time: 2.5m
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 r23485734 = a;
        double r23485735 = acos(r23485734);
        double r23485736 = -r23485735;
        double r23485737 = r23485734 / r23485736;
        return r23485737;
}
↓
double f(double a) {
        double r23485738 = a;
        double r23485739 = acos(r23485738);
        double r23485740 = -r23485739;
        double r23485741 = r23485738 / r23485740;
        return r23485741;
}

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 2019124 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))