[LordLaraby] > If 'bankers rounding' is HALF_ROUND_EVEN, what is HALF_ROUND_UP?
Not banker's rounding ;-). Same answer if you had said ROUND_HALF_UP instead (which I assume you intended) -- most of these don't have cute names. > I confess to never having heard the terms. ROUND_HALF_UP etc are symbolic constants in Python's `decimal` module; see the docs. > I usually do: Y = int(X + 0.5) scaled to proper # of decimal places. > Which type of rounding is this? If either. If you meant what you said, it's not "rounding" at all, because it's insane for negative inputs. For example, int(-2 + 0.5) = int(-1.5) = -1, and no _rounding_ method changes an exact integer (like -2) to a _different_ exact integer (like -1). If you were assuming X >= 0.0, then int(X+0.5) coincides with ROUND_HALF_UP on that domain. For X < 0.0, ROUND_HALF_UP works like int(X-0.5). -- http://mail.python.org/mailman/listinfo/python-list
