Average Error: 0.0 → 0.0
Time: 10.6s
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 r197744 = x;
        double r197745 = 4.0;
        double r197746 = pow(r197744, r197745);
        double r197747 = y;
        double r197748 = pow(r197747, r197745);
        double r197749 = r197746 - r197748;
        return r197749;
}
↓
double f(double x, double y) {
        double r197750 = x;
        double r197751 = 4.0;
        double r197752 = pow(r197750, r197751);
        double r197753 = y;
        double r197754 = pow(r197753, r197751);
        double r197755 = r197752 - r197754;
        return r197755;
}

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 2019153 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))