Average Error: 0.0 → 0.0
Time: 3.0s
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 r322256 = x;
        double r322257 = y;
        double r322258 = log(r322257);
        double r322259 = r322257 * r322258;
        double r322260 = r322256 + r322259;
        double r322261 = z;
        double r322262 = r322260 - r322261;
        double r322263 = exp(r322262);
        return r322263;
}
↓
double f(double x, double y, double z) {
        double r322264 = x;
        double r322265 = y;
        double r322266 = log(r322265);
        double r322267 = r322265 * r322266;
        double r322268 = r322264 + r322267;
        double r322269 = z;
        double r322270 = r322268 - r322269;
        double r322271 = exp(r322270);
        return r322271;
}

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 2020064 
(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)))