Average Error: 0.2 → 0.2
Time: 23.2s
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 r2724483 = a;
        double r2724484 = acos(r2724483);
        double r2724485 = -r2724484;
        double r2724486 = r2724483 / r2724485;
        return r2724486;
}
↓
double f(double a) {
        double r2724487 = a;
        double r2724488 = acos(r2724487);
        double r2724489 = -r2724488;
        double r2724490 = r2724487 / r2724489;
        return r2724490;
}

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 2019149 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))