Average Error: 0.0 → 0.0
Time: 13.5s
Precision: 64
\[\frac{x - y}{x + y}\]
\[\frac{x}{x + y} - \frac{y}{x + y}\]
\frac{x - y}{x + y}
\frac{x}{x + y} - \frac{y}{x + y}
double f(double x, double y) {
        double r375937 = x;
        double r375938 = y;
        double r375939 = r375937 - r375938;
        double r375940 = r375937 + r375938;
        double r375941 = r375939 / r375940;
        return r375941;
}

double f(double x, double y) {
        double r375942 = x;
        double r375943 = y;
        double r375944 = r375942 + r375943;
        double r375945 = r375942 / r375944;
        double r375946 = r375943 / r375944;
        double r375947 = r375945 - r375946;
        return r375947;
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Target

Original0.0
Target0.0
Herbie0.0
\[\frac{x}{x + y} - \frac{y}{x + y}\]

Derivation

  1. Initial program 0.0

    \[\frac{x - y}{x + y}\]
  2. Using strategy rm
  3. Applied div-sub0.0

    \[\leadsto \color{blue}{\frac{x}{x + y} - \frac{y}{x + y}}\]
  4. Final simplification0.0

    \[\leadsto \frac{x}{x + y} - \frac{y}{x + y}\]

Reproduce

herbie shell --seed 2019306 +o rules:numerics
(FPCore (x y)
  :name "Data.Colour.RGB:hslsv from colour-2.3.3, D"
  :precision binary64

  :herbie-target
  (- (/ x (+ x y)) (/ y (+ x y)))

  (/ (- x y) (+ x y)))