-- Chapter 15 - Program 4
with Text_IO;
use Text_IO;

procedure Adder3 is

   package Flt_IO is new Text_IO.Float_IO(FLOAT);
   use Flt_IO;

   FIRST : constant := 2;
   LAST  : constant := 7;
   Sum_Of_Values : FLOAT;

                      -- Interface of AdderStb
   package AdderStb is
      type MY_ARRAY is array(INTEGER range <>) of FLOAT;
      procedure Add_Em_Up(In_Dat : in     MY_ARRAY;
                          Sum    :    out FLOAT);
   end AdderStb;


   use AdderStb;
   New_Array : MY_ARRAY(FIRST..LAST);


                       -- Implementation of AdderStb
   package body AdderStb is separate;


begin
   for Index in New_Array'FIRST..New_Array'LAST loop
      New_Array(Index) := FLOAT(Index);
   end loop;

   Put_Line("Call Add_Em_Up now.");
   Add_Em_Up(New_Array,Sum_Of_Values);
   Put("Back from Add_Em_Up, total is");
   Put(Sum_Of_Values,5,2,0);
   New_Line;

end Adder3;




-- Result of execution

-- Call Add_Em_Up now
-- Back from Add_Em_Up, total is   27.00