Average Error: 0.1 → 0.1
Time: 4.4s
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 r27920 = x;
        double r27921 = y;
        double r27922 = log(r27921);
        double r27923 = r27920 * r27922;
        double r27924 = z;
        double r27925 = r27923 - r27924;
        double r27926 = r27925 - r27921;
        return r27926;
}
↓
double f(double x, double y, double z) {
        double r27927 = x;
        double r27928 = y;
        double r27929 = log(r27928);
        double r27930 = r27927 * r27929;
        double r27931 = z;
        double r27932 = r27930 - r27931;
        double r27933 = r27932 - r27928;
        return r27933;
}

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 2020049 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  :precision binary64
  (- (- (* x (log y)) z) y))