Average Error: 0.0 → 0.0
Time: 2.7s
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 r307053 = x;
        double r307054 = y;
        double r307055 = log(r307054);
        double r307056 = r307054 * r307055;
        double r307057 = r307053 + r307056;
        double r307058 = z;
        double r307059 = r307057 - r307058;
        double r307060 = exp(r307059);
        return r307060;
}
↓
double f(double x, double y, double z) {
        double r307061 = x;
        double r307062 = y;
        double r307063 = log(r307062);
        double r307064 = r307062 * r307063;
        double r307065 = r307061 + r307064;
        double r307066 = z;
        double r307067 = r307065 - r307066;
        double r307068 = exp(r307067);
        return r307068;
}

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 2020018 
(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)))