Average Error: 0.0 → 0.0
Time: 13.7s
Precision: 64
\[\frac{x - y}{1.0 - y}\]
↓
\[\frac{x}{1.0 - y} - \frac{y}{1.0 - y}\]
\frac{x - y}{1.0 - y}
↓
\frac{x}{1.0 - y} - \frac{y}{1.0 - y}
double f(double x, double y) {
        double r8724912 = x;
        double r8724913 = y;
        double r8724914 = r8724912 - r8724913;
        double r8724915 = 1.0;
        double r8724916 = r8724915 - r8724913;
        double r8724917 = r8724914 / r8724916;
        return r8724917;
}
↓
double f(double x, double y) {
        double r8724918 = x;
        double r8724919 = 1.0;
        double r8724920 = y;
        double r8724921 = r8724919 - r8724920;
        double r8724922 = r8724918 / r8724921;
        double r8724923 = r8724920 / r8724921;
        double r8724924 = r8724922 - r8724923;
        return r8724924;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{x - y}{1.0 - y}\]
  2. Using strategy rm

  3. Applied div-sub0.0

    \[\leadsto \color{blue}{\frac{x}{1.0 - y} - \frac{y}{1.0 - y}}\]

  4. Final simplification0.0

    \[\leadsto \frac{x}{1.0 - y} - \frac{y}{1.0 - y}\]

Reproduce

herbie shell --seed 2019168 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  (/ (- x y) (- 1.0 y)))