Average Error: 0.1 → 0.1
Time: 23.4s
Precision: 64
\[\left(x \cdot \log y - z\right) - y\]
↓
\[x \cdot \log y - \left(y + z\right)\]
\left(x \cdot \log y - z\right) - y
↓
x \cdot \log y - \left(y + z\right)
double f(double x, double y, double z) {
        double r32763 = x;
        double r32764 = y;
        double r32765 = log(r32764);
        double r32766 = r32763 * r32765;
        double r32767 = z;
        double r32768 = r32766 - r32767;
        double r32769 = r32768 - r32764;
        return r32769;
}
↓
double f(double x, double y, double z) {
        double r32770 = x;
        double r32771 = y;
        double r32772 = log(r32771);
        double r32773 = r32770 * r32772;
        double r32774 = z;
        double r32775 = r32771 + r32774;
        double r32776 = r32773 - r32775;
        return r32776;
}

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. Simplified0.1

    \[\leadsto \color{blue}{x \cdot \log y - \left(y + z\right)}\]

  3. Final simplification0.1

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

Reproduce

herbie shell --seed 2019179 +o rules:numerics
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  (- (- (* x (log y)) z) y))