Average Error: 0.0 → 0.0
Time: 3.4s
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 r277476 = x;
        double r277477 = y;
        double r277478 = log(r277477);
        double r277479 = r277477 * r277478;
        double r277480 = r277476 + r277479;
        double r277481 = z;
        double r277482 = r277480 - r277481;
        double r277483 = exp(r277482);
        return r277483;
}
↓
double f(double x, double y, double z) {
        double r277484 = x;
        double r277485 = y;
        double r277486 = log(r277485);
        double r277487 = r277485 * r277486;
        double r277488 = r277484 + r277487;
        double r277489 = z;
        double r277490 = r277488 - r277489;
        double r277491 = exp(r277490);
        return r277491;
}

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 2020081 
(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)))