Average Error: 0.1 → 0.1
Time: 17.6s
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 r863875 = x;
        double r863876 = y;
        double r863877 = log(r863876);
        double r863878 = r863875 * r863877;
        double r863879 = z;
        double r863880 = r863878 - r863879;
        double r863881 = r863880 - r863876;
        return r863881;
}
↓
double f(double x, double y, double z) {
        double r863882 = x;
        double r863883 = y;
        double r863884 = log(r863883);
        double r863885 = r863882 * r863884;
        double r863886 = z;
        double r863887 = r863885 - r863886;
        double r863888 = r863887 - r863883;
        return r863888;
}

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 2019163 +o rules:numerics
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  (- (- (* x (log y)) z) y))