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------------------------------------------------------------------------------

--                                                                          --

--                         GNAT RUN-TIME COMPONENTS                         --

--                                                                          --

--                   G N A T . B U B B L E _ S O R T _ A                    --

--                                                                          --

--                                 B o d y                                  --

--                                                                          --

--                     Copyright (C) 1995-2010, 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 3,  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.                                     --

--                                                                          --

-- As a special exception under Section 7 of GPL version 3, you are granted --

-- additional permissions described in the GCC Runtime Library Exception,   --

-- version 3.1, as published by the Free Software Foundation.               --

--                                                                          --

-- You should have received a copy of the GNU General Public License and    --

-- a copy of the GCC Runtime Library Exception along with this program;     --

-- see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    --

-- <http://www.gnu.org/licenses/>.                                          --

--                                                                          --

-- 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 is

   ----------

   -- Sort --

   ----------

   procedure Sort (N : Natural; Xchg : Xchg_Procedure; Lt : Lt_Function) is

      Switched : Boolean;

   begin

      loop

         Switched := False;

         for J in 1 .. N - 1 loop

            if Lt (J + 1, J) then

               Xchg (J, J + 1);

               Switched := True;

            end if;

         end loop;

         exit when not Switched;

      end loop;

   end Sort;

end GNAT.Bubble_Sort;