Average Error: 0.1 → 0.1
Time: 16.2s
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 r31105 = x;
        double r31106 = y;
        double r31107 = log(r31106);
        double r31108 = r31105 * r31107;
        double r31109 = z;
        double r31110 = r31108 - r31109;
        double r31111 = r31110 - r31106;
        return r31111;
}
↓
double f(double x, double y, double z) {
        double r31112 = x;
        double r31113 = y;
        double r31114 = log(r31113);
        double r31115 = r31112 * r31114;
        double r31116 = r31115 - r31113;
        double r31117 = z;
        double r31118 = r31116 - r31117;
        return r31118;
}

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 2019195 
(FPCore (x y z)
  :name "Statistics.Distribution.Poisson:$clogProbability from math-functions-0.1.5.2"
  (- (- (* x (log y)) z) y))