Average Error: 0.3 → 0.3
Time: 6.2s
Precision: 64
\[x \cdot \log x\]
↓
\[x \cdot \log x\]
x \cdot \log x
↓
x \cdot \log x
double f(double x) {
        double r41442 = x;
        double r41443 = log(r41442);
        double r41444 = r41442 * r41443;
        return r41444;
}
↓
double f(double x) {
        double r41445 = x;
        double r41446 = log(r41445);
        double r41447 = r41445 * r41446;
        return r41447;
}

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 2020036 
(FPCore (x)
  :name "Statistics.Distribution.Binomial:directEntropy from math-functions-0.1.5.2"
  :precision binary64
  (* x (log x)))