Average Error: 0.0 → 0.0
Time: 3.2s
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 r264805 = x;
        double r264806 = y;
        double r264807 = log(r264806);
        double r264808 = r264806 * r264807;
        double r264809 = r264805 + r264808;
        double r264810 = z;
        double r264811 = r264809 - r264810;
        double r264812 = exp(r264811);
        return r264812;
}
↓
double f(double x, double y, double z) {
        double r264813 = x;
        double r264814 = y;
        double r264815 = log(r264814);
        double r264816 = r264814 * r264815;
        double r264817 = r264813 + r264816;
        double r264818 = z;
        double r264819 = r264817 - r264818;
        double r264820 = exp(r264819);
        return r264820;
}

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 2020025 
(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)))