Average Error: 0 → 0
Time: 394.0ms
Precision: binary64
\[\frac{x + 1}{2}\]
↓
\[\frac{x + 1}{2}\]
\frac{x + 1}{2}
↓
\frac{x + 1}{2}
double code(double x) {
	return ((double) (((double) (x + 1.0)) / 2.0));
}
↓
double code(double x) {
	return ((double) (((double) (x + 1.0)) / 2.0));
}

Error

Bits error versus x

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0

    \[\frac{x + 1}{2}\]

  2. Final simplification0

    \[\leadsto \frac{x + 1}{2}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (x)
  :name "(/ (+ x 1) 2)"
  :precision binary64
  (/ (+ x 1.0) 2.0))