Average Error: 0.1 → 0.1
Time: 647.0ms
Precision: binary64
\[\frac{2 \cdot \left(x - y\right)}{x + y}\]
↓
\[\frac{2 \cdot \left(x - y\right)}{x + y}\]
\frac{2 \cdot \left(x - y\right)}{x + y}
↓
\frac{2 \cdot \left(x - y\right)}{x + y}
double code(double x, double y) {
	return ((double) (((double) (2.0 * ((double) (x - y)))) / ((double) (x + y))));
}
↓
double code(double x, double y) {
	return ((double) (((double) (2.0 * ((double) (x - y)))) / ((double) (x + y))));
}

Error

Bits error versus x

Bits error versus y

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.1

    \[\frac{2 \cdot \left(x - y\right)}{x + y}\]

  2. Final simplification0.1

    \[\leadsto \frac{2 \cdot \left(x - y\right)}{x + y}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x y)
  :name "(/ (* 2 (- x y)) (+ x y))"
  :precision binary64
  (/ (* 2.0 (- x y)) (+ x y)))