math.roundeven()

Rounds x to nearest, ties to even (bankers' rounding).

Return value

If x is math.NAN, a NaN will be returned.

If x is integral, ±0, x itself is returned.

If x is math.POS_INFINITY or math.NEG_INFINITY, an infinity of the same sign is returned.

Otherwise, the rounded value of x is returned.

Format

FLOAT
math.roundeven(FLOAT x)