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 r299125 = x;
        double r299126 = y;
        double r299127 = log(r299126);
        double r299128 = r299126 * r299127;
        double r299129 = r299125 + r299128;
        double r299130 = z;
        double r299131 = r299129 - r299130;
        double r299132 = exp(r299131);
        return r299132;
}
↓
double f(double x, double y, double z) {
        double r299133 = x;
        double r299134 = y;
        double r299135 = log(r299134);
        double r299136 = r299134 * r299135;
        double r299137 = r299133 + r299136;
        double r299138 = z;
        double r299139 = r299137 - r299138;
        double r299140 = exp(r299139);
        return r299140;
}

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 2020002 
(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)))