The INTEGER-PART function returns an integer that is the integer portion of argument-1. The type of this function is integer. 
 
  General Format
 
	  
	  
 
  Arguments
 
	   
	 - Argument-1 must be class numeric. 
	 
Returned Values
 
	   
	 - If the value of argument-1 is zero, the returned value is zero. 
	 
- If the value of argument-1 is positive, the returned value is the greatest integer less than or equal to the value of argument-1. For example, if the value of argument-1 is +1.5, +1 is returned. 
	 
- If the value of argument-1 is negative, the returned value is the least integer greater than or equal to the value of argument-1. For example, if the value of argument-1 is -1.5, -1 is returned.