Average Error: 0.0 → 0.0
Time: 10.0s
Precision: 64
\[\frac{x + y}{x - y}\]
↓
\[\frac{y + x}{x - y}\]
\frac{x + y}{x - y}
↓
\frac{y + x}{x - y}
double f(double x, double y) {
        double r28629520 = x;
        double r28629521 = y;
        double r28629522 = r28629520 + r28629521;
        double r28629523 = r28629520 - r28629521;
        double r28629524 = r28629522 / r28629523;
        return r28629524;
}
↓
double f(double x, double y) {
        double r28629525 = y;
        double r28629526 = x;
        double r28629527 = r28629525 + r28629526;
        double r28629528 = r28629526 - r28629525;
        double r28629529 = r28629527 / r28629528;
        return r28629529;
}

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

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

Reproduce

herbie shell --seed 2019172 
(FPCore (x y)
  :name "Linear.Projection:perspective from linear-1.19.1.3, A"

  :herbie-target
  (/ 1.0 (- (/ x (+ x y)) (/ y (+ x y))))

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