Average Error: 0.0 → 0.0
Time: 21.6s
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 r180984 = x;
        double r180985 = y;
        double r180986 = r180984 - r180985;
        double r180987 = 1.0;
        double r180988 = r180987 - r180985;
        double r180989 = r180986 / r180988;
        return r180989;
}
↓
double f(double x, double y) {
        double r180990 = x;
        double r180991 = 1.0;
        double r180992 = y;
        double r180993 = r180991 - r180992;
        double r180994 = r180990 / r180993;
        double r180995 = r180992 / r180993;
        double r180996 = r180994 - r180995;
        return r180996;
}

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 2019196 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  (/ (- x y) (- 1.0 y)))