Average Error: 0.3 → 0.3
Time: 16.0s
Precision: 64
\[x \cdot \log x\]
↓
\[x \cdot \log x\]
x \cdot \log x
↓
x \cdot \log x
double f(double x) {
        double r1143611 = x;
        double r1143612 = log(r1143611);
        double r1143613 = r1143611 * r1143612;
        return r1143613;
}
↓
double f(double x) {
        double r1143614 = x;
        double r1143615 = log(r1143614);
        double r1143616 = r1143614 * r1143615;
        return r1143616;
}

Error

Bits error versus x

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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 2019163 
(FPCore (x)
  :name "Statistics.Distribution.Binomial:directEntropy from math-functions-0.1.5.2"
  (* x (log x)))