Average Error: 0.0 → 0.0
Time: 4.4s
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 r285828 = x;
        double r285829 = y;
        double r285830 = log(r285829);
        double r285831 = r285829 * r285830;
        double r285832 = r285828 + r285831;
        double r285833 = z;
        double r285834 = r285832 - r285833;
        double r285835 = exp(r285834);
        return r285835;
}
↓
double f(double x, double y, double z) {
        double r285836 = x;
        double r285837 = y;
        double r285838 = log(r285837);
        double r285839 = r285837 * r285838;
        double r285840 = r285836 + r285839;
        double r285841 = z;
        double r285842 = r285840 - r285841;
        double r285843 = exp(r285842);
        return r285843;
}

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 2020034 
(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)))