Average Error: 0.1 → 0.1
Time: 4.5s
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 r21159 = x;
        double r21160 = y;
        double r21161 = log(r21160);
        double r21162 = r21159 * r21161;
        double r21163 = z;
        double r21164 = r21162 - r21163;
        double r21165 = r21164 - r21160;
        return r21165;
}
↓
double f(double x, double y, double z) {
        double r21166 = x;
        double r21167 = y;
        double r21168 = log(r21167);
        double r21169 = r21166 * r21168;
        double r21170 = z;
        double r21171 = r21169 - r21170;
        double r21172 = r21171 - r21167;
        return r21172;
}

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 2020046 +o rules:numerics
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  :precision binary64
  (- (- (* x (log y)) z) y))