Average Error: 0.0 → 0.0
Time: 24.5s
Precision: 64
\[\frac{x - y}{1 - y}\]
↓
\[\frac{x}{1 - y} - \frac{y}{1 - y}\]
\frac{x - y}{1 - y}
↓
\frac{x}{1 - y} - \frac{y}{1 - y}
double f(double x, double y) {
        double r10582764 = x;
        double r10582765 = y;
        double r10582766 = r10582764 - r10582765;
        double r10582767 = 1.0;
        double r10582768 = r10582767 - r10582765;
        double r10582769 = r10582766 / r10582768;
        return r10582769;
}
↓
double f(double x, double y) {
        double r10582770 = x;
        double r10582771 = 1.0;
        double r10582772 = y;
        double r10582773 = r10582771 - r10582772;
        double r10582774 = r10582770 / r10582773;
        double r10582775 = r10582772 / r10582773;
        double r10582776 = r10582774 - r10582775;
        return r10582776;
}

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

    \[\frac{x - y}{1 - y}\]
  2. Using strategy rm

  3. Applied div-sub0.0

    \[\leadsto \color{blue}{\frac{x}{1 - y} - \frac{y}{1 - y}}\]

  4. Final simplification0.0

    \[\leadsto \frac{x}{1 - y} - \frac{y}{1 - y}\]

Reproduce

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