Average Error: 0.2 → 0.2
Time: 18.4s
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 r3948977 = a;
        double r3948978 = acos(r3948977);
        double r3948979 = -r3948978;
        double r3948980 = r3948977 / r3948979;
        return r3948980;
}
↓
double f(double a) {
        double r3948981 = a;
        double r3948982 = acos(r3948981);
        double r3948983 = -r3948982;
        double r3948984 = r3948981 / r3948983;
        return r3948984;
}

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 2019138 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))