Average Error: 0.3 → 0.3
Time: 8.9s
Precision: 64
\[x \cdot \log x\]
\[x \cdot \log x\]
x \cdot \log x
x \cdot \log x
double f(double x) {
        double r657168 = x;
        double r657169 = log(r657168);
        double r657170 = r657168 * r657169;
        return r657170;
}

double f(double x) {
        double r657171 = x;
        double r657172 = log(r657171);
        double r657173 = r657171 * r657172;
        return r657173;
}

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 1 
(FPCore (x)
  :name "x log(x)"
  :precision binary64
  (* x (log x)))