Average Error: 0.0 → 0.0
Time: 4.4s
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 r147372 = x;
        double r147373 = 4.0;
        double r147374 = pow(r147372, r147373);
        double r147375 = y;
        double r147376 = pow(r147375, r147373);
        double r147377 = r147374 - r147376;
        return r147377;
}
↓
double f(double x, double y) {
        double r147378 = x;
        double r147379 = 4.0;
        double r147380 = pow(r147378, r147379);
        double r147381 = y;
        double r147382 = pow(r147381, r147379);
        double r147383 = r147380 - r147382;
        return r147383;
}

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 2019158 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))