Average Error: 0.0 → 0.0
Time: 12.6s
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 r233629 = x;
        double r233630 = y;
        double r233631 = log(r233630);
        double r233632 = r233630 * r233631;
        double r233633 = r233629 + r233632;
        double r233634 = z;
        double r233635 = r233633 - r233634;
        double r233636 = exp(r233635);
        return r233636;
}
↓
double f(double x, double y, double z) {
        double r233637 = x;
        double r233638 = y;
        double r233639 = log(r233638);
        double r233640 = r233638 * r233639;
        double r233641 = r233637 + r233640;
        double r233642 = z;
        double r233643 = r233641 - r233642;
        double r233644 = exp(r233643);
        return r233644;
}

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 2019209 
(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)))