Average Error: 0.0 → 0.0
Time: 9.0s
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 r368785 = x;
        double r368786 = y;
        double r368787 = log(r368786);
        double r368788 = r368786 * r368787;
        double r368789 = r368785 + r368788;
        double r368790 = z;
        double r368791 = r368789 - r368790;
        double r368792 = exp(r368791);
        return r368792;
}
↓
double f(double x, double y, double z) {
        double r368793 = x;
        double r368794 = y;
        double r368795 = log(r368794);
        double r368796 = r368794 * r368795;
        double r368797 = r368793 + r368796;
        double r368798 = z;
        double r368799 = r368797 - r368798;
        double r368800 = exp(r368799);
        return r368800;
}

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 2020047 
(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)))