Average Error: 0.0 → 0.0
Time: 551.0ms
Precision: binary64
\[\frac{a - b}{a + b}\]
↓
\[\frac{a - b}{a + b}\]
\frac{a - b}{a + b}
↓
\frac{a - b}{a + b}
double code(double a, double b) {
	return ((double) (((double) (a - b)) / ((double) (a + b))));
}
↓
double code(double a, double b) {
	return ((double) (((double) (a - b)) / ((double) (a + b))));
}

Error

Bits error versus a

Bits error versus b

Try it out

Your Program's Arguments

Results

Enter valid numbers for all inputs

Derivation

  1. Initial program 0.0

    \[\frac{a - b}{a + b}\]

  2. Final simplification0.0

    \[\leadsto \frac{a - b}{a + b}\]

Reproduce

herbie shell --seed 2020153 
(FPCore (a b)
  :name "(/ (- a b) (+ a b))"
  :precision binary64
  (/ (- a b) (+ a b)))