Average Error: 0.2 → 0.2
Time: 10.9s
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 r78046 = a;
        double r78047 = acos(r78046);
        double r78048 = -r78047;
        double r78049 = r78046 / r78048;
        return r78049;
}
↓
double f(double a) {
        double r78050 = a;
        double r78051 = acos(r78050);
        double r78052 = -r78051;
        double r78053 = r78050 / r78052;
        return r78053;
}

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 2019194 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))