Average Error: 0.0 → 0.0
Time: 7.0s
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 r22311742 = x;
        double r22311743 = y;
        double r22311744 = r22311742 + r22311743;
        double r22311745 = r22311742 - r22311743;
        double r22311746 = r22311744 / r22311745;
        return r22311746;
}
↓
double f(double x, double y) {
        double r22311747 = y;
        double r22311748 = x;
        double r22311749 = r22311747 + r22311748;
        double r22311750 = r22311748 - r22311747;
        double r22311751 = r22311749 / r22311750;
        return r22311751;
}

Error

Bits error versus x

Bits error versus y

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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 2019162 
(FPCore (x y)
  :name "Linear.Projection:perspective from linear-1.19.1.3, A"

  :herbie-target
  (/ 1 (- (/ x (+ x y)) (/ y (+ x y))))

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