Average Error: 0.0 → 0.0
Time: 3.7s
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 r147369 = x;
        double r147370 = 4.0;
        double r147371 = pow(r147369, r147370);
        double r147372 = y;
        double r147373 = pow(r147372, r147370);
        double r147374 = r147371 - r147373;
        return r147374;
}

double f(double x, double y) {
        double r147375 = x;
        double r147376 = 4.0;
        double r147377 = pow(r147375, r147376);
        double r147378 = y;
        double r147379 = pow(r147378, r147376);
        double r147380 = r147377 - r147379;
        return r147380;
}

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 2019163 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))