Average Error: 0.0 → 0.0
Time: 3.8s
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 r19432 = x;
        double r19433 = 4.0;
        double r19434 = pow(r19432, r19433);
        double r19435 = y;
        double r19436 = pow(r19435, r19433);
        double r19437 = r19434 - r19436;
        return r19437;
}
↓
double f(double x, double y) {
        double r19438 = x;
        double r19439 = 4.0;
        double r19440 = pow(r19438, r19439);
        double r19441 = y;
        double r19442 = pow(r19441, r19439);
        double r19443 = r19440 - r19442;
        return r19443;
}

Error

Bits error versus x

Bits error versus y

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Results

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Derivation

  1. Initial program 0.0

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

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2019198 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4.0) (pow y 4.0)))