Average Error: 0.0 → 0.0
Time: 3.5s
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 r8941 = x;
        double r8942 = 4.0;
        double r8943 = pow(r8941, r8942);
        double r8944 = y;
        double r8945 = pow(r8944, r8942);
        double r8946 = r8943 - r8945;
        return r8946;
}

double f(double x, double y) {
        double r8947 = x;
        double r8948 = 4.0;
        double r8949 = pow(r8947, r8948);
        double r8950 = y;
        double r8951 = pow(r8950, r8948);
        double r8952 = r8949 - r8951;
        return r8952;
}

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 2019124 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))