Average Error: 0.0 → 0.0
Time: 1.6s
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 r222527 = x;
        double r222528 = y;
        double r222529 = r222527 - r222528;
        double r222530 = 1.0;
        double r222531 = r222530 - r222528;
        double r222532 = r222529 / r222531;
        return r222532;
}
↓
double f(double x, double y) {
        double r222533 = x;
        double r222534 = 1.0;
        double r222535 = y;
        double r222536 = r222534 - r222535;
        double r222537 = r222533 / r222536;
        double r222538 = r222535 / r222536;
        double r222539 = r222537 - r222538;
        return r222539;
}

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 2019356 
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  :precision binary64
  (/ (- x y) (- 1 y)))