-- put et get
with Ada.Text_Io, Ada.Integer_Text_Io;
use  Ada.Text_Io, Ada.Integer_Text_Io;

procedure Exo04 is
   -- declaration du tableau d'entiers
   N : constant Positive := 10;
   type T_Tableau is array (1..N) of Integer;

   -- exo 4a
   procedure Get(T : out T_Tableau) is
   begin
      for I in T'Range loop
         Get(T(I));
      end loop;
   end;

   -- exo 4b
   procedure Put(T : T_Tableau) is
   begin
      for I in T'Range loop
         Put(T(I));
      end loop;
   end;

   -- exo 4c
   procedure Somme(T1, T2 : T_Tableau; T3 : out T_Tableau) is
   begin
      for I in T3'Range loop
         T3(I) := T1(I) + T2(I);
      end loop;
   end;

   -- exo 4d
   procedure Compare(T1, T2 : T_Tableau; T3 : out T_Tableau) is
   begin
      for I in T3'Range loop
         if T1(I) = T2(I) then
            T3(I) := 0;
         elsif T1(I) < T2(I) then
            T3(I) := -1;
         else
            T3(I) := 1;
         end if;
      end loop;
   end;

   -- exo 4e
   procedure Calc1(T : T_Tableau; S : out T_Tableau) is
   begin
      S(1) := T(1) + T(2);
      for I in 2..N - 1 loop
         S(I) := T(I - 1) + T(I) + T(I + 1);
      end loop;
      S(N) := T(N - 1) + T(N);
   end;

   -- exo 4f
   procedure Calc2(T : T_Tableau; S : out T_Tableau) is
   begin
      for I in T'Range loop
         S(I) := 0;
         for J in I..N loop
            S(I) := S(I) + T(J);
         end loop;
      end loop;
   end;

   -- exo 4g
   procedure Calc3(T : T_Tableau; S : out T_Tableau) is
   begin
      for I in T'Range loop
         S(I) := 0;
         for J in 1..I loop
            S(I) := S(I) + T(J);
         end loop;
      end loop;
   end;

   -- exo 4h = 4g
   -- version 1
   --     procedure Calc4(T : T_Tableau; S : out T_Tableau) is
   --        Last : Integer := 0;
   --     begin
   --        for I in T'Range loop
   --           S(I) := Last + T(I);
   --           Last := S(I);
   --        end loop;
   --     end;
   -- version 2
   procedure Calc4(T : T_Tableau; S : out T_Tableau) is
   begin
      S(1) := T(1);
      for I in 1..N loop
         S(I) := S(I - 1) + T(I);
      end loop;
   end;

   -- exo 4h = 4f
   procedure Calc5(T : T_Tableau; S : out T_Tableau) is
      Last : Integer := 0;
   begin
      for I in reverse T'Range loop
         S(I) := Last + T(I);
         Last := S(I);
      end loop;
   end;

   Tbl1 : T_Tableau;
   Tbl2 : T_Tableau;
   Tbl3 : T_Tableau;
begin
   Get(Tbl1);
   Get(Tbl2);

   Put_Line("Affichage des tableaux : ");
   Put(Tbl1);
   New_Line;
   Put(Tbl2);
   New_Line;

   Put("Somme : ");
   Somme(Tbl1, Tbl2, Tbl3);
   Put(Tbl3);
   New_Line;

   Put("Compare : ");
   Compare(Tbl1, Tbl2, Tbl3);
   Put(Tbl3);
   New_Line;
end;