Average Error: 0.0 → 0.0
Time: 2.6s
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 r323945 = x;
        double r323946 = y;
        double r323947 = log(r323946);
        double r323948 = r323946 * r323947;
        double r323949 = r323945 + r323948;
        double r323950 = z;
        double r323951 = r323949 - r323950;
        double r323952 = exp(r323951);
        return r323952;
}
↓
double f(double x, double y, double z) {
        double r323953 = x;
        double r323954 = y;
        double r323955 = log(r323954);
        double r323956 = r323954 * r323955;
        double r323957 = r323953 + r323956;
        double r323958 = z;
        double r323959 = r323957 - r323958;
        double r323960 = exp(r323959);
        return r323960;
}

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 2020027 
(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)))