Average Error: 0.2 → 0.2
Time: 29.2s
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 r7362969 = a;
        double r7362970 = acos(r7362969);
        double r7362971 = -r7362970;
        double r7362972 = r7362969 / r7362971;
        return r7362972;
}
↓
double f(double a) {
        double r7362973 = a;
        double r7362974 = acos(r7362973);
        double r7362975 = -r7362974;
        double r7362976 = r7362973 / r7362975;
        return r7362976;
}

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 2019104 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))