Average Error: 0.1 → 0.1
Time: 20.5s
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 r35077 = x;
        double r35078 = y;
        double r35079 = log(r35078);
        double r35080 = r35077 * r35079;
        double r35081 = z;
        double r35082 = r35080 - r35081;
        double r35083 = r35082 - r35078;
        return r35083;
}
↓
double f(double x, double y, double z) {
        double r35084 = x;
        double r35085 = y;
        double r35086 = log(r35085);
        double r35087 = r35084 * r35086;
        double r35088 = r35087 - r35085;
        double r35089 = z;
        double r35090 = r35088 - r35089;
        return r35090;
}

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))