Average Error: 0.0 → 0.0
Time: 3.6s
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 r409504 = x;
        double r409505 = y;
        double r409506 = log(r409505);
        double r409507 = r409505 * r409506;
        double r409508 = r409504 + r409507;
        double r409509 = z;
        double r409510 = r409508 - r409509;
        double r409511 = exp(r409510);
        return r409511;
}
↓
double f(double x, double y, double z) {
        double r409512 = x;
        double r409513 = y;
        double r409514 = log(r409513);
        double r409515 = r409513 * r409514;
        double r409516 = r409512 + r409515;
        double r409517 = z;
        double r409518 = r409516 - r409517;
        double r409519 = exp(r409518);
        return r409519;
}

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 2019362 
(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)))