Average Error: 0.0 → 0.0
Time: 3.2s
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 r316127 = x;
        double r316128 = y;
        double r316129 = log(r316128);
        double r316130 = r316128 * r316129;
        double r316131 = r316127 + r316130;
        double r316132 = z;
        double r316133 = r316131 - r316132;
        double r316134 = exp(r316133);
        return r316134;
}
↓
double f(double x, double y, double z) {
        double r316135 = x;
        double r316136 = y;
        double r316137 = log(r316136);
        double r316138 = r316136 * r316137;
        double r316139 = r316135 + r316138;
        double r316140 = z;
        double r316141 = r316139 - r316140;
        double r316142 = exp(r316141);
        return r316142;
}

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 2020060 
(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)))