Average Error: 0.0 → 0.0
Time: 3.3s
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 r209364 = x;
        double r209365 = y;
        double r209366 = log(r209365);
        double r209367 = r209365 * r209366;
        double r209368 = r209364 + r209367;
        double r209369 = z;
        double r209370 = r209368 - r209369;
        double r209371 = exp(r209370);
        return r209371;
}
↓
double f(double x, double y, double z) {
        double r209372 = x;
        double r209373 = y;
        double r209374 = log(r209373);
        double r209375 = r209373 * r209374;
        double r209376 = r209372 + r209375;
        double r209377 = z;
        double r209378 = r209376 - r209377;
        double r209379 = exp(r209378);
        return r209379;
}

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 2020025 +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)))