Average Error: 0.0 → 0.0
Time: 11.3s
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 r198421 = x;
        double r198422 = y;
        double r198423 = r198421 - r198422;
        double r198424 = 1.0;
        double r198425 = r198424 - r198422;
        double r198426 = r198423 / r198425;
        return r198426;
}
↓
double f(double x, double y) {
        double r198427 = x;
        double r198428 = 1.0;
        double r198429 = y;
        double r198430 = r198428 - r198429;
        double r198431 = r198427 / r198430;
        double r198432 = r198429 / r198430;
        double r198433 = r198431 - r198432;
        return r198433;
}

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 2019306 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  :precision binary64
  (/ (- x y) (- 1 y)))