Average Error: 0.0 → 0.0
Time: 10.7s
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 r2395184 = x;
        double r2395185 = 4.0;
        double r2395186 = pow(r2395184, r2395185);
        double r2395187 = y;
        double r2395188 = pow(r2395187, r2395185);
        double r2395189 = r2395186 - r2395188;
        return r2395189;
}
↓
double f(double x, double y) {
        double r2395190 = x;
        double r2395191 = 4.0;
        double r2395192 = pow(r2395190, r2395191);
        double r2395193 = y;
        double r2395194 = pow(r2395193, r2395191);
        double r2395195 = r2395192 - r2395194;
        return r2395195;
}

Error

Bits error versus x

Bits error versus y

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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 2019174 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4.0) (pow y 4.0)))