Реферат: Манипулирование с целыми числами произвольной длины

{

PLUS,

MINUS

};

extern class unlim

{

public:

unlim(char*);

unlim();

unlim(unlim&);

~unlim();

unlim

&operator = (char*),

&operator = (unlim&);

friend int

operator == (unlim&,unlim&),

operator != (unlim&,unlim&),

operator > (unlim&,unlim&),

operator >= (unlim&,unlim&),

operator < (unlim&,unlim&),

operator <= (unlim&,unlim&);

friend unlim

operator + (unlim&), // unary

operator - (unlim&), // unary

operator + (unlim&,unlim&), // binary

operator - (unlim&,unlim&), // binary

operator * (unlim&,unlim&),

abs(unlim&);

friend ostream