Type alias RoundingMode

'ceil': Round towards positive infinity.
'floor': Round towards negative infinity.
'expand': Round away from zero.
'trunc': Round towards zero.
'halfCeil': Values above or equal to the half-increment round like ceil, otherwise like floor.
'halfFloor': Values above the half-increment round like ceil, otherwise like floor.
'halfExpand': Values above or equal to the half-increment round like expand, otherwise like trunc.
'halfTrunc': Values above the half-increment round like expand, otherwise like trunc.
'halfEven': Like halfExpand, except that on the half-increment values round towards the nearest even digit.
'halfOdd': Like halfExpand, except that on the half-increment values round towards the nearest odd digit.