CDF @CalcMgrRollDate

Adds or subtracts (up or down) a single unit of time on the given date field without changing larger fields.
For example,
@CalcMgrRollDate(19960131,”month”,@_true) will result in the date of 19960229.
@CalcMgrRollDate(19960131,”day”,@_true) will result in the date of 19960101.

com.hyperion.calcmgr.common.cdf.CalendarFunctions.rollDate(int,String,boolean)
@CalcMgrRollDate(date,date_part,up)