Average Error: 0.1 → 0.1
Time: 5.1s
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 r33837 = x;
        double r33838 = y;
        double r33839 = log(r33838);
        double r33840 = r33837 * r33839;
        double r33841 = z;
        double r33842 = r33840 - r33841;
        double r33843 = r33842 - r33838;
        return r33843;
}
↓
double f(double x, double y, double z) {
        double r33844 = x;
        double r33845 = y;
        double r33846 = log(r33845);
        double r33847 = r33844 * r33846;
        double r33848 = z;
        double r33849 = r33847 - r33848;
        double r33850 = r33849 - r33845;
        return r33850;
}

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 2019362 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  :precision binary64
  (- (- (* x (log y)) z) y))