Average Error: 0.0 → 0.0
Time: 14.9s
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 r666241 = x;
        double r666242 = 4.0;
        double r666243 = pow(r666241, r666242);
        double r666244 = y;
        double r666245 = pow(r666244, r666242);
        double r666246 = r666243 - r666245;
        return r666246;
}
↓
double f(double x, double y) {
        double r666247 = x;
        double r666248 = 4.0;
        double r666249 = pow(r666247, r666248);
        double r666250 = y;
        double r666251 = pow(r666250, r666248);
        double r666252 = r666249 - r666251;
        return r666252;
}

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 2019162 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))