Average Error: 0.0 → 0.0
Time: 6.2s
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 r104799 = x;
        double r104800 = 4.0;
        double r104801 = pow(r104799, r104800);
        double r104802 = y;
        double r104803 = pow(r104802, r104800);
        double r104804 = r104801 - r104803;
        return r104804;
}
↓
double f(double x, double y) {
        double r104805 = x;
        double r104806 = 4.0;
        double r104807 = pow(r104805, r104806);
        double r104808 = y;
        double r104809 = pow(r104808, r104806);
        double r104810 = r104807 - r104809;
        return r104810;
}

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 2019128 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))