Average Error: 0.0 → 0.0
Time: 2.1s
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 r189024 = x;
        double r189025 = y;
        double r189026 = r189024 - r189025;
        double r189027 = 1.0;
        double r189028 = r189027 - r189025;
        double r189029 = r189026 / r189028;
        return r189029;
}
↓
double f(double x, double y) {
        double r189030 = x;
        double r189031 = 1.0;
        double r189032 = y;
        double r189033 = r189031 - r189032;
        double r189034 = r189030 / r189033;
        double r189035 = r189032 / r189033;
        double r189036 = r189034 - r189035;
        return r189036;
}

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 2020024 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  :precision binary64
  (/ (- x y) (- 1 y)))