Average Error: 0.0 → 0.0
Time: 9.4s
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 r187737 = x;
        double r187738 = y;
        double r187739 = log(r187738);
        double r187740 = r187738 * r187739;
        double r187741 = r187737 + r187740;
        double r187742 = z;
        double r187743 = r187741 - r187742;
        double r187744 = exp(r187743);
        return r187744;
}
↓
double f(double x, double y, double z) {
        double r187745 = x;
        double r187746 = y;
        double r187747 = log(r187746);
        double r187748 = r187746 * r187747;
        double r187749 = r187745 + r187748;
        double r187750 = z;
        double r187751 = r187749 - r187750;
        double r187752 = exp(r187751);
        return r187752;
}

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 2020046 
(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)))