sqr.cpp: In member function 'HUGE HUGE::operator+=(const HUGE&)': sqr.cpp:102: warning: no return statement in function returning non-void sqr.cpp: In member function 'HUGE HUGE::operator-=(const HUGE&)': sqr.cpp:140: warning: no return statement in function returning non-void sqr.cpp: In member function 'HUGE HUGE::operator*=(int)': sqr.cpp:177: warning: no return statement in function returning non-void sqr.cpp: In member function 'HUGE HUGE::operator*=(const HUGE&)': sqr.cpp:233: warning: no return statement in function returning non-void sqr.cpp: In member function 'HUGE HUGE::operator/=(int)': sqr.cpp:260: warning: no return statement in function returning non-void sqr.cpp: In function 'int main()': sqr.cpp:290: warning: unused variable 'aux'