Average Error: 0.3 → 0.3
Time: 14.7s
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 r3668517 = a;
        double r3668518 = acos(r3668517);
        double r3668519 = -r3668518;
        double r3668520 = r3668517 / r3668519;
        return r3668520;
}
↓
double f(double a) {
        double r3668521 = a;
        double r3668522 = acos(r3668521);
        double r3668523 = -r3668522;
        double r3668524 = r3668521 / r3668523;
        return r3668524;
}

Error

Bits error versus a

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Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

    \[\frac{a}{-\cos^{-1} a}\]

  2. Final simplification0.3

    \[\leadsto \frac{a}{-\cos^{-1} a}\]

Reproduce

herbie shell --seed 2019169 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))