Average Error: 0.0 → 0.0
Time: 27.1s
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 r9025235 = x;
        double r9025236 = y;
        double r9025237 = r9025235 - r9025236;
        double r9025238 = 1.0;
        double r9025239 = r9025238 - r9025236;
        double r9025240 = r9025237 / r9025239;
        return r9025240;
}
↓
double f(double x, double y) {
        double r9025241 = x;
        double r9025242 = 1.0;
        double r9025243 = y;
        double r9025244 = r9025242 - r9025243;
        double r9025245 = r9025241 / r9025244;
        double r9025246 = r9025243 / r9025244;
        double r9025247 = r9025245 - r9025246;
        return r9025247;
}

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