Average Error: 0.0 → 0.0
Time: 447.0ms
Precision: binary64
\[\frac{1 - x}{x + 1}\]
↓
\[\frac{1 - x}{x + 1}\]
\frac{1 - x}{x + 1}
↓
\frac{1 - x}{x + 1}
double code(double x) {
	return ((double) (((double) (1.0 - x)) / ((double) (x + 1.0))));
}
↓
double code(double x) {
	return ((double) (((double) (1.0 - x)) / ((double) (x + 1.0))));
}

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

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

  2. Final simplification0.0

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

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(/ (- 1 x) (+ x 1))"
  :precision binary64
  (/ (- 1.0 x) (+ x 1.0)))