Average Error: 0.0 → 0.0
Time: 4.4s
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 r400338 = x;
        double r400339 = y;
        double r400340 = log(r400339);
        double r400341 = r400339 * r400340;
        double r400342 = r400338 + r400341;
        double r400343 = z;
        double r400344 = r400342 - r400343;
        double r400345 = exp(r400344);
        return r400345;
}
↓
double f(double x, double y, double z) {
        double r400346 = x;
        double r400347 = y;
        double r400348 = log(r400347);
        double r400349 = r400347 * r400348;
        double r400350 = r400346 + r400349;
        double r400351 = z;
        double r400352 = r400350 - r400351;
        double r400353 = exp(r400352);
        return r400353;
}

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 2020036 
(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)))