Average Error: 0.0 → 0.0
Time: 5.7s
Precision: 64
\[\frac{x - y}{x + y}\]
↓
\[\frac{x - y}{x + y}\]
\frac{x - y}{x + y}
↓
\frac{x - y}{x + y}
double f(double x, double y) {
        double r444295 = x;
        double r444296 = y;
        double r444297 = r444295 - r444296;
        double r444298 = r444295 + r444296;
        double r444299 = r444297 / r444298;
        return r444299;
}
↓
double f(double x, double y) {
        double r444300 = x;
        double r444301 = y;
        double r444302 = r444300 - r444301;
        double r444303 = r444300 + r444301;
        double r444304 = r444302 / r444303;
        return r444304;
}

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. Final simplification0.0

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

Reproduce

herbie shell --seed 2019212 +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)))