Average Error: 0.0 → 0.0
Time: 2.8s
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 r340980 = x;
        double r340981 = y;
        double r340982 = log(r340981);
        double r340983 = r340981 * r340982;
        double r340984 = r340980 + r340983;
        double r340985 = z;
        double r340986 = r340984 - r340985;
        double r340987 = exp(r340986);
        return r340987;
}
↓
double f(double x, double y, double z) {
        double r340988 = x;
        double r340989 = y;
        double r340990 = log(r340989);
        double r340991 = r340989 * r340990;
        double r340992 = r340988 + r340991;
        double r340993 = z;
        double r340994 = r340992 - r340993;
        double r340995 = exp(r340994);
        return r340995;
}

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 
(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)))