Average Error: 0.0 → 0.0
Time: 8.9s
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 r351465 = x;
        double r351466 = y;
        double r351467 = log(r351466);
        double r351468 = r351466 * r351467;
        double r351469 = r351465 + r351468;
        double r351470 = z;
        double r351471 = r351469 - r351470;
        double r351472 = exp(r351471);
        return r351472;
}
↓
double f(double x, double y, double z) {
        double r351473 = x;
        double r351474 = y;
        double r351475 = log(r351474);
        double r351476 = r351474 * r351475;
        double r351477 = r351473 + r351476;
        double r351478 = z;
        double r351479 = r351477 - r351478;
        double r351480 = exp(r351479);
        return r351480;
}

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 
(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)))