Average Error: 0.0 → 0.0
Time: 2.8s
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 r302977 = x;
        double r302978 = y;
        double r302979 = log(r302978);
        double r302980 = r302978 * r302979;
        double r302981 = r302977 + r302980;
        double r302982 = z;
        double r302983 = r302981 - r302982;
        double r302984 = exp(r302983);
        return r302984;
}
↓
double f(double x, double y, double z) {
        double r302985 = x;
        double r302986 = y;
        double r302987 = log(r302986);
        double r302988 = r302986 * r302987;
        double r302989 = r302985 + r302988;
        double r302990 = z;
        double r302991 = r302989 - r302990;
        double r302992 = exp(r302991);
        return r302992;
}

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 2020064 +o rules:numerics
(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)))