/////////////////////////////////////////

// uncomment ONE of the following pairs
// of typedefs at a time

//typedef signed char mysint;
//typedef unsigned char myuint;

//typedef signed short mysint;
//typedef unsigned short myuint;

typedef signed int mysint;
typedef unsigned int myuint;

//typedef signed long int mysint;
//typedef unsigned long int myuint;

//////////////////////////////////////////

/*
 * saturating unsigned addition
 */
myuint sat_unsigned_add (myuint, myuint);

/* 
 * saturating unsigned subtraction; the second argument is subtracted
 * from the first
 */
myuint sat_unsigned_sub (myuint, myuint);

/*
 * saturating signed addition
 */
mysint sat_signed_add (mysint, mysint);

/* 
 * saturating signed subtraction; the second argument is subtracted
 * from the first
 */
mysint sat_signed_sub (mysint, mysint);