Average Error: 0.0 → 0.0
Time: 3.8s
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 r308472 = x;
        double r308473 = y;
        double r308474 = log(r308473);
        double r308475 = r308473 * r308474;
        double r308476 = r308472 + r308475;
        double r308477 = z;
        double r308478 = r308476 - r308477;
        double r308479 = exp(r308478);
        return r308479;
}
↓
double f(double x, double y, double z) {
        double r308480 = x;
        double r308481 = y;
        double r308482 = log(r308481);
        double r308483 = r308481 * r308482;
        double r308484 = r308480 + r308483;
        double r308485 = z;
        double r308486 = r308484 - r308485;
        double r308487 = exp(r308486);
        return r308487;
}

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 2020083 
(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)))