- v= X Yprocedure
- v!= X Yprocedure
- v> X Yprocedure
- v< X Yprocedure
- v>= X Yprocedure
- v<= X Yprocedure
Compare vectors elementwise and return a vector with int elements, of the same size as the argument vector(s), holding -1 or 0, dpeending on whether the corresponding elements matched or not. If no such type has been defined yet, it will be created automatically.