Average Error: 0.0 → 0.0
Time: 12.9s
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 r22287078 = x;
        double r22287079 = y;
        double r22287080 = r22287078 + r22287079;
        double r22287081 = r22287078 - r22287079;
        double r22287082 = r22287080 / r22287081;
        return r22287082;
}
↓
double f(double x, double y) {
        double r22287083 = y;
        double r22287084 = x;
        double r22287085 = r22287083 + r22287084;
        double r22287086 = r22287084 - r22287083;
        double r22287087 = r22287085 / r22287086;
        return r22287087;
}

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)))