Average Error: 0.0 → 0.0
Time: 2.9s
Precision: 64
\[e^{\left(x + y \cdot \log y\right) - z}\]
↓
\[e^{\left(x + y \cdot \log y\right) - z}\]
e^{\left(x + y \cdot \log y\right) - z}
↓
e^{\left(x + y \cdot \log y\right) - z}
double f(double x, double y, double z) {
        double r249903 = x;
        double r249904 = y;
        double r249905 = log(r249904);
        double r249906 = r249904 * r249905;
        double r249907 = r249903 + r249906;
        double r249908 = z;
        double r249909 = r249907 - r249908;
        double r249910 = exp(r249909);
        return r249910;
}
↓
double f(double x, double y, double z) {
        double r249911 = x;
        double r249912 = y;
        double r249913 = log(r249912);
        double r249914 = r249912 * r249913;
        double r249915 = r249911 + r249914;
        double r249916 = z;
        double r249917 = r249915 - r249916;
        double r249918 = exp(r249917);
        return r249918;
}

Error

Bits error versus x

Bits error versus y

Bits error versus z

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[e^{\left(x - z\right) + \log y \cdot y}\]

Derivation

  1. Initial program 0.0

    \[e^{\left(x + y \cdot \log y\right) - z}\]

  2. Final simplification0.0

    \[\leadsto e^{\left(x + y \cdot \log y\right) - z}\]

Reproduce

herbie shell --seed 2020001 +o rules:numerics
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson.Internal:probability from math-functions-0.1.5.2"
  :precision binary64

  :herbie-target
  (exp (+ (- x z) (* (log y) y)))

  (exp (- (+ x (* y (log y))) z)))