Average Error: 0.0 → 0.0
Time: 6.5s
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 r288247 = x;
        double r288248 = y;
        double r288249 = log(r288248);
        double r288250 = r288248 * r288249;
        double r288251 = r288247 + r288250;
        double r288252 = z;
        double r288253 = r288251 - r288252;
        double r288254 = exp(r288253);
        return r288254;
}
↓
double f(double x, double y, double z) {
        double r288255 = x;
        double r288256 = y;
        double r288257 = log(r288256);
        double r288258 = r288256 * r288257;
        double r288259 = r288255 + r288258;
        double r288260 = z;
        double r288261 = r288259 - r288260;
        double r288262 = exp(r288261);
        return r288262;
}

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 2020045 
(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)))