Average Error: 0.3 → 0.3
Time: 11.0s
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 r125197 = a;
        double r125198 = acos(r125197);
        double r125199 = -r125198;
        double r125200 = r125197 / r125199;
        return r125200;
}
↓
double f(double a) {
        double r125201 = a;
        double r125202 = acos(r125201);
        double r125203 = -r125202;
        double r125204 = r125201 / r125203;
        return r125204;
}

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 2019195 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))