Average Error: 0.2 → 0.2
Time: 12.3s
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 r120271 = a;
        double r120272 = acos(r120271);
        double r120273 = -r120272;
        double r120274 = r120271 / r120273;
        return r120274;
}
↓
double f(double a) {
        double r120275 = a;
        double r120276 = acos(r120275);
        double r120277 = -r120276;
        double r120278 = r120275 / r120277;
        return r120278;
}

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 2019196 
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))