Average Error: 0.0 → 0.0
Time: 3.1s
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 r334858 = x;
        double r334859 = y;
        double r334860 = log(r334859);
        double r334861 = r334859 * r334860;
        double r334862 = r334858 + r334861;
        double r334863 = z;
        double r334864 = r334862 - r334863;
        double r334865 = exp(r334864);
        return r334865;
}
↓
double f(double x, double y, double z) {
        double r334866 = x;
        double r334867 = y;
        double r334868 = log(r334867);
        double r334869 = r334867 * r334868;
        double r334870 = r334866 + r334869;
        double r334871 = z;
        double r334872 = r334870 - r334871;
        double r334873 = exp(r334872);
        return r334873;
}

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 2019353 
(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)))