Average Error: 0.0 → 0.0
Time: 684.0ms
Precision: binary64
\[\frac{1}{x - 1} + \frac{x}{x + 1}\]
↓
\[\frac{1}{x - 1} + \frac{x}{1 + x}\]
\frac{1}{x - 1} + \frac{x}{x + 1}
↓
\frac{1}{x - 1} + \frac{x}{1 + x}
(FPCore (x) :precision binary64 (+ (/ 1.0 (- x 1.0)) (/ x (+ x 1.0))))
↓
(FPCore (x) :precision binary64 (+ (/ 1.0 (- x 1.0)) (/ x (+ 1.0 x))))
double code(double x) {
	return ((double) ((1.0 / ((double) (x - 1.0))) + (x / ((double) (x + 1.0)))));
}
↓
double code(double x) {
	return ((double) ((1.0 / ((double) (x - 1.0))) + (x / ((double) (1.0 + x)))));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{1}{x - 1} + \frac{x}{x + 1}\]

  2. Final simplification0.0

    \[\leadsto \frac{1}{x - 1} + \frac{x}{1 + x}\]

Reproduce

herbie shell --seed 2020219 
(FPCore (x)
  :name "Asymptote B"
  :precision binary64
  (+ (/ 1.0 (- x 1.0)) (/ x (+ x 1.0))))