Average Error: 0.0 → 0.0
Time: 2.8s
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 r363620 = x;
        double r363621 = y;
        double r363622 = log(r363621);
        double r363623 = r363621 * r363622;
        double r363624 = r363620 + r363623;
        double r363625 = z;
        double r363626 = r363624 - r363625;
        double r363627 = exp(r363626);
        return r363627;
}
↓
double f(double x, double y, double z) {
        double r363628 = x;
        double r363629 = y;
        double r363630 = log(r363629);
        double r363631 = r363629 * r363630;
        double r363632 = r363628 + r363631;
        double r363633 = z;
        double r363634 = r363632 - r363633;
        double r363635 = exp(r363634);
        return r363635;
}

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 2020057 
(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)))