Average Error: 0.0 → 0.0
Time: 2.9s
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 r236415 = x;
        double r236416 = y;
        double r236417 = log(r236416);
        double r236418 = r236416 * r236417;
        double r236419 = r236415 + r236418;
        double r236420 = z;
        double r236421 = r236419 - r236420;
        double r236422 = exp(r236421);
        return r236422;
}
↓
double f(double x, double y, double z) {
        double r236423 = x;
        double r236424 = y;
        double r236425 = log(r236424);
        double r236426 = r236424 * r236425;
        double r236427 = r236423 + r236426;
        double r236428 = z;
        double r236429 = r236427 - r236428;
        double r236430 = exp(r236429);
        return r236430;
}

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 2020020 +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)))