Average Error: 0.2 → 0.2
Time: 9.3s
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 r1483780 = a;
        double r1483781 = acos(r1483780);
        double r1483782 = -r1483781;
        double r1483783 = r1483780 / r1483782;
        return r1483783;
}
↓
double f(double a) {
        double r1483784 = a;
        double r1483785 = acos(r1483784);
        double r1483786 = -r1483785;
        double r1483787 = r1483784 / r1483786;
        return r1483787;
}

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 2019153 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))