Average Error: 0.2 → 0.2
Time: 14.4s
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 r3818959 = a;
        double r3818960 = acos(r3818959);
        double r3818961 = -r3818960;
        double r3818962 = r3818959 / r3818961;
        return r3818962;
}
↓
double f(double a) {
        double r3818963 = a;
        double r3818964 = acos(r3818963);
        double r3818965 = -r3818964;
        double r3818966 = r3818963 / r3818965;
        return r3818966;
}

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 2019132 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))