Average Error: 0.0 → 0.0
Time: 9.7s
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 r193017 = x;
        double r193018 = y;
        double r193019 = r193017 - r193018;
        double r193020 = 1.0;
        double r193021 = r193020 - r193018;
        double r193022 = r193019 / r193021;
        return r193022;
}
↓
double f(double x, double y) {
        double r193023 = x;
        double r193024 = 1.0;
        double r193025 = y;
        double r193026 = r193024 - r193025;
        double r193027 = r193023 / r193026;
        double r193028 = r193025 / r193026;
        double r193029 = r193027 - r193028;
        return r193029;
}

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 2019198 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  (/ (- x y) (- 1.0 y)))