Average Error: 0.1 → 0.1
Time: 19.9s
Precision: 64
\[\left(x \cdot \log y - z\right) - y\]
↓
\[\left(x \cdot \log y - y\right) - z\]
\left(x \cdot \log y - z\right) - y
↓
\left(x \cdot \log y - y\right) - z
double f(double x, double y, double z) {
        double r35287 = x;
        double r35288 = y;
        double r35289 = log(r35288);
        double r35290 = r35287 * r35289;
        double r35291 = z;
        double r35292 = r35290 - r35291;
        double r35293 = r35292 - r35288;
        return r35293;
}
↓
double f(double x, double y, double z) {
        double r35294 = x;
        double r35295 = y;
        double r35296 = log(r35295);
        double r35297 = r35294 * r35296;
        double r35298 = r35297 - r35295;
        double r35299 = z;
        double r35300 = r35298 - r35299;
        return r35300;
}

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

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

  3. Final simplification0.1

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

Reproduce

herbie shell --seed 2019194 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  (- (- (* x (log y)) z) y))