summaryrefslogtreecommitdiff
path: root/gcc/ada/g-busorg.adb
blob: c9d9daefb4782fcce6d26ec25633f5726e1fec1c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
------------------------------------------------------------------------------
--                                                                          --
--                         GNAT RUN-TIME COMPONENTS                         --
--                                                                          --
--                   G N A T . B U B B L E _ S O R T _ G                    --
--                                                                          --
--                                 B o d y                                  --
--                                                                          --
--                     Copyright (C) 1995-2005, AdaCore                     --
--                                                                          --
-- GNAT is free software;  you can  redistribute it  and/or modify it under --
-- terms of the  GNU General Public License as published  by the Free Soft- --
-- ware  Foundation;  either version 2,  or (at your option) any later ver- --
-- sion.  GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY --
-- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
-- for  more details.  You should have  received  a copy of the GNU General --
-- Public License  distributed with GNAT;  see file COPYING.  If not, write --
-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
-- Boston, MA 02110-1301, USA.                                              --
--                                                                          --
-- As a special exception,  if other files  instantiate  generics from this --
-- unit, or you link  this unit with other files  to produce an executable, --
-- this  unit  does not  by itself cause  the resulting  executable  to  be --
-- covered  by the  GNU  General  Public  License.  This exception does not --
-- however invalidate  any other reasons why  the executable file  might be --
-- covered by the  GNU Public License.                                      --
--                                                                          --
-- GNAT was originally developed  by the GNAT team at  New York University. --
-- Extensive contributions were provided by Ada Core Technologies Inc.      --
--                                                                          --
------------------------------------------------------------------------------

package body GNAT.Bubble_Sort_G is

   ----------
   -- Sort --
   ----------

   procedure Sort (N : Natural) is
      Switched : Boolean;

   begin
      loop
         Switched := False;

         for J in 1 .. N - 1 loop
            if Lt (J + 1, J) then
               Move (J, 0);
               Move (J + 1, J);
               Move (0, J + 1);
               Switched := True;
            end if;
         end loop;

         exit when not Switched;
      end loop;
   end Sort;

end GNAT.Bubble_Sort_G;