Average Error: 0.0 → 0.0
Time: 3.9s
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 r721979 = x;
        double r721980 = y;
        double r721981 = r721979 + r721980;
        double r721982 = r721979 - r721980;
        double r721983 = r721981 / r721982;
        return r721983;
}
↓
double f(double x, double y) {
        double r721984 = x;
        double r721985 = y;
        double r721986 = r721984 + r721985;
        double r721987 = r721984 - r721985;
        double r721988 = r721986 / r721987;
        return r721988;
}

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 2020057 
(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)))