Average Error: 0.0 → 0.0
Time: 20.6s
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 r178866 = x;
        double r178867 = y;
        double r178868 = log(r178867);
        double r178869 = r178867 * r178868;
        double r178870 = r178866 + r178869;
        double r178871 = z;
        double r178872 = r178870 - r178871;
        double r178873 = exp(r178872);
        return r178873;
}
↓
double f(double x, double y, double z) {
        double r178874 = x;
        double r178875 = y;
        double r178876 = log(r178875);
        double r178877 = r178875 * r178876;
        double r178878 = r178874 + r178877;
        double r178879 = z;
        double r178880 = r178878 - r178879;
        double r178881 = exp(r178880);
        return r178881;
}

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 2019323 
(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)))