sat_ops.h

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

// uncomment only 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;

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

// you are implementing these four functions

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

// saturating unsigned subtraction
myuint sat_unsigned_sub (myuint, myuint);

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

// saturating signed subtraction
mysint sat_signed_sub (mysint, mysint);

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