Average Error: 0.2 → 0.2
Time: 32.1s
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 r3720886 = a;
        double r3720887 = acos(r3720886);
        double r3720888 = -r3720887;
        double r3720889 = r3720886 / r3720888;
        return r3720889;
}
↓
double f(double a) {
        double r3720890 = a;
        double r3720891 = acos(r3720890);
        double r3720892 = -r3720891;
        double r3720893 = r3720890 / r3720892;
        return r3720893;
}

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 2019143 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))