Average Error: 0.0 → 0.0
Time: 13.0s
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 r21750116 = x;
        double r21750117 = y;
        double r21750118 = r21750116 + r21750117;
        double r21750119 = r21750116 - r21750117;
        double r21750120 = r21750118 / r21750119;
        return r21750120;
}
↓
double f(double x, double y) {
        double r21750121 = y;
        double r21750122 = x;
        double r21750123 = r21750121 + r21750122;
        double r21750124 = r21750122 - r21750121;
        double r21750125 = r21750123 / r21750124;
        return r21750125;
}

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 +o rules:numerics
(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)))