Average Error: 0.0 → 0.0
Time: 1.5s
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 r470439 = x;
        double r470440 = y;
        double r470441 = r470439 + r470440;
        double r470442 = r470439 - r470440;
        double r470443 = r470441 / r470442;
        return r470443;
}
↓
double f(double x, double y) {
        double r470444 = x;
        double r470445 = y;
        double r470446 = r470444 + r470445;
        double r470447 = r470444 - r470445;
        double r470448 = r470446 / r470447;
        return r470448;
}

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
\[\frac{1}{\frac{x}{x + y} - \frac{y}{x + y}}\]

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 2020064 
(FPCore (x y)
  :name "Linear.Projection:perspective from linear-1.19.1.3, A"
  :precision binary64

  :herbie-target
  (/ 1 (- (/ x (+ x y)) (/ y (+ x y))))

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