Average Error: 0.0 → 0.0
Time: 19.9s
Precision: 64
\[{x}^{4} - {y}^{4}\]
↓
\[{x}^{4} - {y}^{4}\]
{x}^{4} - {y}^{4}
↓
{x}^{4} - {y}^{4}
double f(double x, double y) {
        double r42704 = x;
        double r42705 = 4.0;
        double r42706 = pow(r42704, r42705);
        double r42707 = y;
        double r42708 = pow(r42707, r42705);
        double r42709 = r42706 - r42708;
        return r42709;
}
↓
double f(double x, double y) {
        double r42710 = x;
        double r42711 = 4.0;
        double r42712 = pow(r42710, r42711);
        double r42713 = y;
        double r42714 = pow(r42713, r42711);
        double r42715 = r42712 - r42714;
        return r42715;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[{x}^{4} - {y}^{4}\]

  2. Final simplification0.0

    \[\leadsto {x}^{4} - {y}^{4}\]

Reproduce

herbie shell --seed 2019323 +o rules:numerics
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  :precision binary64
  (- (pow x 4) (pow y 4)))