Average Error: 0.0 → 0.0
Time: 4.5s
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 r86477 = x;
        double r86478 = 4.0;
        double r86479 = pow(r86477, r86478);
        double r86480 = y;
        double r86481 = pow(r86480, r86478);
        double r86482 = r86479 - r86481;
        return r86482;
}
↓
double f(double x, double y) {
        double r86483 = x;
        double r86484 = 4.0;
        double r86485 = pow(r86483, r86484);
        double r86486 = y;
        double r86487 = pow(r86486, r86484);
        double r86488 = r86485 - r86487;
        return r86488;
}

Error

Bits error versus x

Bits error versus y

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Your Program's Arguments

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 2019133 +o rules:numerics
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))