Average Error: 0.0 → 0.0
Time: 1.5s
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 r99304 = x;
        double r99305 = y;
        double r99306 = r99304 - r99305;
        double r99307 = 1.0;
        double r99308 = r99307 - r99305;
        double r99309 = r99306 / r99308;
        return r99309;
}
↓
double f(double x, double y) {
        double r99310 = x;
        double r99311 = 1.0;
        double r99312 = y;
        double r99313 = r99311 - r99312;
        double r99314 = r99310 / r99313;
        double r99315 = r99312 / r99313;
        double r99316 = r99314 - r99315;
        return r99316;
}

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 1978988140 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  :precision binary64
  (/ (- x y) (- 1 y)))