Average Error: 0.0 → 0.0
Time: 4.1s
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 r380567 = x;
        double r380568 = y;
        double r380569 = r380567 + r380568;
        double r380570 = r380567 - r380568;
        double r380571 = r380569 / r380570;
        return r380571;
}
↓
double f(double x, double y) {
        double r380572 = x;
        double r380573 = y;
        double r380574 = r380572 + r380573;
        double r380575 = r380572 - r380573;
        double r380576 = r380574 / r380575;
        return r380576;
}

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 
(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)))