Average Error: 0.1 → 0.1
Time: 5.4s
Precision: 64
\[\left(x \cdot \log y - z\right) - y\]
↓
\[\left(x \cdot \log y - z\right) - y\]
\left(x \cdot \log y - z\right) - y
↓
\left(x \cdot \log y - z\right) - y
double f(double x, double y, double z) {
        double r37719 = x;
        double r37720 = y;
        double r37721 = log(r37720);
        double r37722 = r37719 * r37721;
        double r37723 = z;
        double r37724 = r37722 - r37723;
        double r37725 = r37724 - r37720;
        return r37725;
}
↓
double f(double x, double y, double z) {
        double r37726 = x;
        double r37727 = y;
        double r37728 = log(r37727);
        double r37729 = r37726 * r37728;
        double r37730 = z;
        double r37731 = r37729 - r37730;
        double r37732 = r37731 - r37727;
        return r37732;
}

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

Derivation

  1. Initial program 0.1

    \[\left(x \cdot \log y - z\right) - y\]

  2. Final simplification0.1

    \[\leadsto \left(x \cdot \log y - z\right) - y\]

Reproduce

herbie shell --seed 2020021 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  :precision binary64
  (- (- (* x (log y)) z) y))