Average Error: 0.0 → 0.0
Time: 5.2s
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 r948771 = x;
        double r948772 = 4.0;
        double r948773 = pow(r948771, r948772);
        double r948774 = y;
        double r948775 = pow(r948774, r948772);
        double r948776 = r948773 - r948775;
        return r948776;
}
↓
double f(double x, double y) {
        double r948777 = x;
        double r948778 = 4.0;
        double r948779 = pow(r948777, r948778);
        double r948780 = y;
        double r948781 = pow(r948780, r948778);
        double r948782 = r948779 - r948781;
        return r948782;
}

Error

Bits error versus x

Bits error versus y

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