Average Error: 0.3 → 0.3
Time: 19.8s
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 r8829403 = a;
        double r8829404 = acos(r8829403);
        double r8829405 = -r8829404;
        double r8829406 = r8829403 / r8829405;
        return r8829406;
}
↓
double f(double a) {
        double r8829407 = a;
        double r8829408 = acos(r8829407);
        double r8829409 = -r8829408;
        double r8829410 = r8829407 / r8829409;
        return r8829410;
}

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 2019173 +o rules:numerics
(FPCore (a)
  :name "Fuzzer 001"
  (/ a (- (acos a))))