Average Error: 0.0 → 0.0
Time: 2.9s
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 r324874 = x;
        double r324875 = y;
        double r324876 = log(r324875);
        double r324877 = r324875 * r324876;
        double r324878 = r324874 + r324877;
        double r324879 = z;
        double r324880 = r324878 - r324879;
        double r324881 = exp(r324880);
        return r324881;
}
↓
double f(double x, double y, double z) {
        double r324882 = x;
        double r324883 = y;
        double r324884 = log(r324883);
        double r324885 = r324883 * r324884;
        double r324886 = r324882 + r324885;
        double r324887 = z;
        double r324888 = r324886 - r324887;
        double r324889 = exp(r324888);
        return r324889;
}

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 2020036 
(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)))