Average Error: 0.2 → 0.2
Time: 2.4m
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 r15387557 = a;
        double r15387558 = acos(r15387557);
        double r15387559 = -r15387558;
        double r15387560 = r15387557 / r15387559;
        return r15387560;
}
↓
double f(double a) {
        double r15387561 = a;
        double r15387562 = acos(r15387561);
        double r15387563 = -r15387562;
        double r15387564 = r15387561 / r15387563;
        return r15387564;
}

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 2019112 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))