Average Error: 0.0 → 0.0
Time: 892.0ms
Precision: binary64
\[x - \frac{{x}^{2} - 2}{2}\]
↓
\[x - \frac{{x}^{2} - 2}{2}\]
x - \frac{{x}^{2} - 2}{2}
↓
x - \frac{{x}^{2} - 2}{2}
double code(double x) {
	return ((double) (x - ((double) (((double) (((double) pow(x, 2.0)) - 2.0)) / 2.0))));
}
↓
double code(double x) {
	return ((double) (x - ((double) (((double) (((double) pow(x, 2.0)) - 2.0)) / 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 0.0

    \[x - \frac{{x}^{2} - 2}{2}\]

  2. Final simplification0.0

    \[\leadsto x - \frac{{x}^{2} - 2}{2}\]

Reproduce

herbie shell --seed 2020152 
(FPCore (x)
  :name "(- x (/ (- (pow x 2) 2) 2))"
  :precision binary64
  (- x (/ (- (pow x 2.0) 2.0) 2.0)))