Average Error: 0.0 → 0.0
Time: 2.2s
Precision: binary64
\[\]
↓
\[\]
↓
double code(double x, double y) {
	return ((double) (x - ((double) (y / ((double) (1.0 + ((double) (((double) (x * y)) / 2.0))))))));
}

↓
double code(double x, double y) {
	return ((double) (x - ((double) (y / ((double) (1.0 + ((double) (((double) (x * y)) / 2.0))))))));
}

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 0.0
    \[\]
  2. Final simplification0.0
    \[\leadsto \]
Reproduce
herbie shell --seed 2020191 
(FPCore (x y)
  :name "Data.Number.Erf:$cinvnormcdf from erf-2.0.0.0, B"
  :precision binary64
  (- x (/ y (+ 1.0 (/ (* x y) 2.0)))))