Average Error: 0.0 → 0.0
Time: 10.6s
Precision: 64
\[e^{\left(x + y \cdot \log y\right) - z}\]
↓
\[e^{\left(\log y \cdot y + x\right) - z}\]
e^{\left(x + y \cdot \log y\right) - z}
↓
e^{\left(\log y \cdot y + x\right) - z}
double f(double x, double y, double z) {
        double r16471928 = x;
        double r16471929 = y;
        double r16471930 = log(r16471929);
        double r16471931 = r16471929 * r16471930;
        double r16471932 = r16471928 + r16471931;
        double r16471933 = z;
        double r16471934 = r16471932 - r16471933;
        double r16471935 = exp(r16471934);
        return r16471935;
}
↓
double f(double x, double y, double z) {
        double r16471936 = y;
        double r16471937 = log(r16471936);
        double r16471938 = r16471937 * r16471936;
        double r16471939 = x;
        double r16471940 = r16471938 + r16471939;
        double r16471941 = z;
        double r16471942 = r16471940 - r16471941;
        double r16471943 = exp(r16471942);
        return r16471943;
}

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

    \[\leadsto e^{\left(\log y \cdot y + x\right) - z}\]

Reproduce

herbie shell --seed 2019162 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson.Internal:probability from math-functions-0.1.5.2"

  :herbie-target
  (exp (+ (- x z) (* (log y) y)))

  (exp (- (+ x (* y (log y))) z)))