/****************************************
* File: stats.h
* Author: S. Bogar
* Date: 8/3/99
* Section 101
* SSN: 123-45-6789
* EMail: bogar@cs.umbc.edu
*   
*   Prototypes for the functions in stats.c
*****************************************/


/********************************************
* Function: Sum
* Usage:    z = Sum (x, y)
*
* Input: two integers to be added
* Output: Returns the sum of x and y.
*********************************************/
int Sum (int x, int y) ;

/*********************************************
* Function: Max 
* Usage:    z = Max (x, y)
*
* Inputs: two integers to be compared
* Output: Returns the larger of x and y.
*********************************************/
int Max (int x, int y) ;

/*********************************************
* Function: Min
* Usage:    z = Min (x, y)
*
* Inputs: two integers to be compared
* Output: Returns the smaller of x and y.
*********************************************/
int Min (int x, int y) ;



/*********************************************
* Function: Avg
* Usage:    z = Avg (x, y)
*
* Inputs: two integers to be compared
* Output: Returns average of x and y as a 
*         *** double ***
*
*********************************************/
double Avg (int x, int y) ;

/*********************************************
* Function: Dist 
* Usage:    z = Dist (x, y)
*
* Input: two integers for which distance is 
*        calulated
* Output:Returns the absolute value of x - y.
*********************************************/
int Dist (int x, int y) ;