Average Error: 0.0 → 0.0
Time: 17.6s
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 r150473 = x;
        double r150474 = y;
        double r150475 = r150473 - r150474;
        double r150476 = 1.0;
        double r150477 = r150476 - r150474;
        double r150478 = r150475 / r150477;
        return r150478;
}
↓
double f(double x, double y) {
        double r150479 = x;
        double r150480 = 1.0;
        double r150481 = y;
        double r150482 = r150480 - r150481;
        double r150483 = r150479 / r150482;
        double r150484 = r150481 / r150482;
        double r150485 = r150483 - r150484;
        return r150485;
}

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 2019303 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  :precision binary64
  (/ (- x y) (- 1 y)))