Average Error: 0.0 → 0.0
Time: 9.5s
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 r561395 = x;
        double r561396 = y;
        double r561397 = log(r561396);
        double r561398 = r561396 * r561397;
        double r561399 = r561395 + r561398;
        double r561400 = z;
        double r561401 = r561399 - r561400;
        double r561402 = exp(r561401);
        return r561402;
}
↓
double f(double x, double y, double z) {
        double r561403 = x;
        double r561404 = y;
        double r561405 = log(r561404);
        double r561406 = r561404 * r561405;
        double r561407 = r561403 + r561406;
        double r561408 = z;
        double r561409 = r561407 - r561408;
        double r561410 = exp(r561409);
        return r561410;
}

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)))