Average Error: 0.0 → 0.0
Time: 8.5s
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 r30190 = x;
        double r30191 = 4.0;
        double r30192 = pow(r30190, r30191);
        double r30193 = y;
        double r30194 = pow(r30193, r30191);
        double r30195 = r30192 - r30194;
        return r30195;
}
↓
double f(double x, double y) {
        double r30196 = x;
        double r30197 = 4.0;
        double r30198 = pow(r30196, r30197);
        double r30199 = y;
        double r30200 = pow(r30199, r30197);
        double r30201 = r30198 - r30200;
        return r30201;
}

Error

Bits error versus x

Bits error versus y

Try it out

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 2019208 
(FPCore (x y)
  :name "Radioactive exchange between two surfaces"
  :precision binary64
  (- (pow x 4) (pow y 4)))