Average Error: 0.0 → 0.0
Time: 5.6s
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 r948811 = x;
        double r948812 = 4.0;
        double r948813 = pow(r948811, r948812);
        double r948814 = y;
        double r948815 = pow(r948814, r948812);
        double r948816 = r948813 - r948815;
        return r948816;
}
↓
double f(double x, double y) {
        double r948817 = x;
        double r948818 = 4.0;
        double r948819 = pow(r948817, r948818);
        double r948820 = y;
        double r948821 = pow(r948820, r948818);
        double r948822 = r948819 - r948821;
        return r948822;
}

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 2019172 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4.0) (pow y 4.0)))