Average Error: 0.0 → 0.0
Time: 4.3s
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 r275479 = x;
        double r275480 = y;
        double r275481 = r275479 + r275480;
        double r275482 = r275479 - r275480;
        double r275483 = r275481 / r275482;
        return r275483;
}
↓
double f(double x, double y) {
        double r275484 = x;
        double r275485 = y;
        double r275486 = r275484 + r275485;
        double r275487 = r275484 - r275485;
        double r275488 = r275486 / r275487;
        return r275488;
}

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 2019208 +o rules:numerics
(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)))