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