Average Error: 0.0 → 0.0
Time: 7.0s
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 r24431 = x;
        double r24432 = 4.0;
        double r24433 = pow(r24431, r24432);
        double r24434 = y;
        double r24435 = pow(r24434, r24432);
        double r24436 = r24433 - r24435;
        return r24436;
}
↓
double f(double x, double y) {
        double r24437 = x;
        double r24438 = 4.0;
        double r24439 = pow(r24437, r24438);
        double r24440 = y;
        double r24441 = pow(r24440, r24438);
        double r24442 = r24439 - r24441;
        return r24442;
}

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 2019194 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4.0) (pow y 4.0)))