Average Error: 0.3 → 0.3
Time: 5.2s
Precision: 64
\[x \cdot \log x\]
↓
\[x \cdot \log x\]
x \cdot \log x
↓
x \cdot \log x
double f(double x) {
        double r27736 = x;
        double r27737 = log(r27736);
        double r27738 = r27736 * r27737;
        return r27738;
}
↓
double f(double x) {
        double r27739 = x;
        double r27740 = log(r27739);
        double r27741 = r27739 * r27740;
        return r27741;
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.3

    \[x \cdot \log x\]

  2. Final simplification0.3

    \[\leadsto x \cdot \log x\]

Reproduce

herbie shell --seed 2020057 +o rules:numerics
(FPCore (x)
  :name "Statistics.Distribution.Binomial:directEntropy from math-functions-0.1.5.2"
  :precision binary64
  (* x (log x)))