Average Error: 0.0 → 0.0
Time: 13.2s
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 r147235 = x;
        double r147236 = y;
        double r147237 = log(r147236);
        double r147238 = r147236 * r147237;
        double r147239 = r147235 + r147238;
        double r147240 = z;
        double r147241 = r147239 - r147240;
        double r147242 = exp(r147241);
        return r147242;
}
↓
double f(double x, double y, double z) {
        double r147243 = x;
        double r147244 = y;
        double r147245 = log(r147244);
        double r147246 = r147244 * r147245;
        double r147247 = r147243 + r147246;
        double r147248 = z;
        double r147249 = r147247 - r147248;
        double r147250 = exp(r147249);
        return r147250;
}

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 2019326 
(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)))