Average Error: 0.0 → 0.0
Time: 11.2s
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 r33204 = x;
        double r33205 = 4.0;
        double r33206 = pow(r33204, r33205);
        double r33207 = y;
        double r33208 = pow(r33207, r33205);
        double r33209 = r33206 - r33208;
        return r33209;
}
↓
double f(double x, double y) {
        double r33210 = x;
        double r33211 = 4.0;
        double r33212 = pow(r33210, r33211);
        double r33213 = y;
        double r33214 = pow(r33213, r33211);
        double r33215 = r33212 - r33214;
        return r33215;
}

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 2019199 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4.0) (pow y 4.0)))