Average Error: 0.2 → 0.2
Time: 14.1s
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 r3262562 = a;
        double r3262563 = acos(r3262562);
        double r3262564 = -r3262563;
        double r3262565 = r3262562 / r3262564;
        return r3262565;
}
↓
double f(double a) {
        double r3262566 = a;
        double r3262567 = acos(r3262566);
        double r3262568 = -r3262567;
        double r3262569 = r3262566 / r3262568;
        return r3262569;
}

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 2019171 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))