Average Error: 0.0 → 0.0
Time: 11.6s
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 r409635 = x;
        double r409636 = y;
        double r409637 = log(r409636);
        double r409638 = r409636 * r409637;
        double r409639 = r409635 + r409638;
        double r409640 = z;
        double r409641 = r409639 - r409640;
        double r409642 = exp(r409641);
        return r409642;
}
↓
double f(double x, double y, double z) {
        double r409643 = x;
        double r409644 = y;
        double r409645 = log(r409644);
        double r409646 = r409644 * r409645;
        double r409647 = r409643 + r409646;
        double r409648 = z;
        double r409649 = r409647 - r409648;
        double r409650 = exp(r409649);
        return r409650;
}

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 2020042 +o rules:numerics
(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)))