Average Error: 0.0 → 0.0
Time: 8.4s
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 r183461 = x;
        double r183462 = y;
        double r183463 = log(r183462);
        double r183464 = r183462 * r183463;
        double r183465 = r183461 + r183464;
        double r183466 = z;
        double r183467 = r183465 - r183466;
        double r183468 = exp(r183467);
        return r183468;
}
↓
double f(double x, double y, double z) {
        double r183469 = x;
        double r183470 = y;
        double r183471 = log(r183470);
        double r183472 = r183470 * r183471;
        double r183473 = r183469 + r183472;
        double r183474 = z;
        double r183475 = r183473 - r183474;
        double r183476 = exp(r183475);
        return r183476;
}

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 2019305 
(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)))