* a-rbtgso.adb, a-crbtgo.ads, a-crbtgo.adb, a-crbtgk.ads,

	a-crbtgk.adb, a-crbltr.ads, a-coprnu.ads, a-coprnu.adb,
	a-coorse.ads, a-coorse.adb, a-convec.ads, a-convec.adb,
	a-contai.ads, a-coinve.ads, a-coinve.adb, a-cohata.ads,
	a-cohama.ads, a-cohama.adb, a-ciorse.ads, a-ciorse.adb,
	a-cihama.ads, a-cihama.adb, a-cidlli.ads, a-cidlli.adb,
	a-chtgop.ads, a-chtgop.adb, a-cgcaso.ads, a-cgcaso.adb,
	a-cgarso.ads, a-cgarso.adb, a-cdlili.ads, a-cdlili.adb,
	a-cgaaso.adb, a-coormu.adb, a-ciormu.adb, a-cihase.adb,
	a-cihase.ads, a-cohase.adb, a-cohase.ads, a-ciorma.ads,
	a-coorma.ads, a-swunha.ads, a-stunha.ads, a-ciormu.ads,
	a-coormu.ads, a-rbtgso.ads, a-swunha.adb, a-stunha.adb,
	a-cgaaso.ads, a-ciorma.adb, a-coorma.adb, a-secain.adb,
	a-secain.ads, a-slcain.ads, a-slcain.adb, a-shcain.ads,
	a-shcain.adb, a-chtgke.ads, a-chtgke.adb, a-stwiha.ads,
	a-stwiha.adb, a-strhas.ads, a-strhas.adb, a-chzla1.ads,
	a-chzla9.ads, a-lfztio.ads, a-liztio.ads, a-llfzti.ads,
	a-llizti.ads, a-sfztio.ads, a-siztio.ads, a-ssizti.ads,
	a-stzbou.adb, a-stzbou.ads, a-stzfix.adb, a-stzfix.ads,
	a-stzhas.adb, a-stzhas.ads, a-stzmap.adb, a-stzmap.ads,
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	a-szunha.ads, a-szuzti.adb, a-szuzti.ads, a-tiunio.ads,
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	a-ztcoio.ads, a-ztcstr.adb, a-ztcstr.ads, a-ztdeau.adb,
	a-ztdeau.ads, a-ztdeio.adb, a-ztdeio.ads, a-ztedit.adb,
	a-ztedit.ads, a-ztenau.adb, a-ztenau.ads, a-ztenio.adb,
	a-ztenio.ads, a-ztexio.adb, a-ztexio.ads, a-ztfiio.adb,
	a-ztfiio.ads, a-ztflau.adb, a-ztflau.ads, a-ztflio.adb,
	a-ztflio.ads, a-ztgeau.adb, a-ztgeau.ads, a-ztinau.adb,
	a-ztinau.ads, a-ztinio.adb, a-ztinio.ads, a-ztmoau.adb,
	a-ztmoau.ads, a-ztmoio.adb, a-ztmoio.ads, a-zttest.adb,
	a-zttest.ads, a-zzunio.ads: New files. Part of new Ada 2005
	library.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@94764 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 125 insertions, 0 deletions

diff --git a/gcc/ada/a-cgaaso.adb b/gcc/ada/a-cgaaso.adb
new file mode 100644
index 00000000000..1fc24fcf672
--- /dev/null
+++ b/gcc/ada/a-cgaaso.adb
@@ -0,0 +1,125 @@
+------------------------------------------------------------------------------
+--                                                                          --
+--                         GNAT LIBRARY COMPONENTS                          --
+--                                                                          --
+--               ADA.CONTAINERS.GENERIC_ANONYMOUS_ARRAY_SORT                --
+--                                                                          --
+--                                 B o d y                                  --
+--                                                                          --
+--             Copyright (C) 2004 Free Software Foundation, Inc.            --
+--                                                                          --
+-- This specification is derived from the Ada Reference Manual for use with --
+-- GNAT. The copyright notice above, and the license provisions that follow --
+-- apply solely to the  contents of the part following the private keyword. --
+--                                                                          --
+-- 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,  59 Temple Place - Suite 330,  Boston, --
+-- MA 02111-1307, 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.                                      --
+--                                                                          --
+-- This unit was originally developed by Matthew J Heaney.                  --
+------------------------------------------------------------------------------
+
+procedure Ada.Containers.Generic_Anonymous_Array_Sort
+  (First, Last : Index_Type'Base)
+is
+   Pivot, Lo, Mid, Hi : Index_Type;
+
+begin
+   if Last <= First then
+      return;
+   end if;
+
+   Lo := First;
+   Hi := Last;
+
+   if Last = Index_Type'Succ (First) then
+      if not Less (Lo, Hi) then
+         Swap (Lo, Hi);
+      end if;
+
+      return;
+   end if;
+
+   Mid := Index_Type'Val
+     (Index_Type'Pos (Lo) +
+      (Index_Type'Pos (Hi) - Index_Type'Pos (Lo)) / 2);
+
+   --  We need to figure out which case we have:
+   --  x < y < z
+   --  x < z < y
+   --  z < x < y
+   --  y < x < z
+   --  y < z < x
+   --  z < y < x
+
+   if Less (Lo, Mid) then
+      if Less (Lo, Hi) then
+         if Less (Mid, Hi) then
+            Swap (Lo, Mid);
+
+         else
+            Swap (Lo, Hi);
+
+         end if;
+
+      else
+         null;  --  lo is median
+      end if;
+
+   elsif Less (Lo, Hi) then
+      null; --  lo is median
+
+   elsif Less (Mid, Hi) then
+      Swap (Lo, Hi);
+
+   else
+      Swap (Lo, Mid);
+   end if;
+
+   Pivot := Lo;
+   Outer : loop
+      loop
+         exit Outer when not (Pivot < Hi);
+
+         if Less (Hi, Pivot) then
+            Swap (Hi, Pivot);
+            Pivot := Hi;
+            Lo := Index_Type'Succ (Lo);
+            exit;
+         else
+            Hi := Index_Type'Pred (Hi);
+         end if;
+      end loop;
+
+      loop
+         exit Outer when not (Lo < Pivot);
+
+         if Less (Lo, Pivot) then
+            Lo := Index_Type'Succ (Lo);
+         else
+            Swap (Lo, Pivot);
+            Pivot := Lo;
+            Hi := Index_Type'Pred (Hi);
+            exit;
+         end if;
+      end loop;
+   end loop Outer;
+
+   Generic_Anonymous_Array_Sort (First, Index_Type'Pred (Pivot));
+   Generic_Anonymous_Array_Sort (Index_Type'Succ (Pivot), Last);
+
+end Ada.Containers.Generic_Anonymous_Array_Sort;