round()
round(float $d) : int
Ends up being a bit faster than {@link Math#round(float)}. This merely rounds its argument to the nearest int, where x.5 rounds up to x+1. Semantics of this shortcut differ slightly from {@link Math#round(float)} in that half rounds down for negative values. -2.5 rounds to -3, not -2. For purposes here it makes no difference.
Parameters
| float | $d | real value to round |
Returns
int —$nearest {@code int}