Average Error: 0.0 → 0.0
Time: 15.2s
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 r7366314 = x;
        double r7366315 = y;
        double r7366316 = r7366314 - r7366315;
        double r7366317 = 1.0;
        double r7366318 = r7366317 - r7366315;
        double r7366319 = r7366316 / r7366318;
        return r7366319;
}
↓
double f(double x, double y) {
        double r7366320 = x;
        double r7366321 = 1.0;
        double r7366322 = y;
        double r7366323 = r7366321 - r7366322;
        double r7366324 = r7366320 / r7366323;
        double r7366325 = r7366322 / r7366323;
        double r7366326 = r7366324 - r7366325;
        return r7366326;
}

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 2019169 +o rules:numerics
(FPCore (x y)
  :name "Diagrams.Trail:splitAtParam  from diagrams-lib-1.3.0.3, C"
  (/ (- x y) (- 1.0 y)))