Average Error: 0.0 → 0.0
Time: 3.3s
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 r8946 = x;
        double r8947 = 4.0;
        double r8948 = pow(r8946, r8947);
        double r8949 = y;
        double r8950 = pow(r8949, r8947);
        double r8951 = r8948 - r8950;
        return r8951;
}
↓
double f(double x, double y) {
        double r8952 = x;
        double r8953 = 4.0;
        double r8954 = pow(r8952, r8953);
        double r8955 = y;
        double r8956 = pow(r8955, r8953);
        double r8957 = r8954 - r8956;
        return r8957;
}

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 2019119 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))