Average Error: 0.0 → 0.0
Time: 10.6s
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 r320523 = x;
        double r320524 = y;
        double r320525 = log(r320524);
        double r320526 = r320524 * r320525;
        double r320527 = r320523 + r320526;
        double r320528 = z;
        double r320529 = r320527 - r320528;
        double r320530 = exp(r320529);
        return r320530;
}
↓
double f(double x, double y, double z) {
        double r320531 = x;
        double r320532 = y;
        double r320533 = log(r320532);
        double r320534 = r320532 * r320533;
        double r320535 = r320531 + r320534;
        double r320536 = z;
        double r320537 = r320535 - r320536;
        double r320538 = exp(r320537);
        return r320538;
}

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 2020043 
(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)))