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 r371868 = x;
        double r371869 = y;
        double r371870 = log(r371869);
        double r371871 = r371869 * r371870;
        double r371872 = r371868 + r371871;
        double r371873 = z;
        double r371874 = r371872 - r371873;
        double r371875 = exp(r371874);
        return r371875;
}
↓
double f(double x, double y, double z) {
        double r371876 = x;
        double r371877 = y;
        double r371878 = log(r371877);
        double r371879 = r371877 * r371878;
        double r371880 = r371876 + r371879;
        double r371881 = z;
        double r371882 = r371880 - r371881;
        double r371883 = exp(r371882);
        return r371883;
}

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 2020021 
(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)))