Average Error: 0.0 → 0.0
Time: 4.2s
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 r67446 = x;
        double r67447 = 4.0;
        double r67448 = pow(r67446, r67447);
        double r67449 = y;
        double r67450 = pow(r67449, r67447);
        double r67451 = r67448 - r67450;
        return r67451;
}

double f(double x, double y) {
        double r67452 = x;
        double r67453 = 4.0;
        double r67454 = pow(r67452, r67453);
        double r67455 = y;
        double r67456 = pow(r67455, r67453);
        double r67457 = r67454 - r67456;
        return r67457;
}

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 2019130 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  (- (pow x 4) (pow y 4)))