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Diffstat (limited to 'gcc-4.8/gcc/ada/a-cogeso.adb')
| -rw-r--r-- | gcc-4.8/gcc/ada/a-cogeso.adb | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/gcc-4.8/gcc/ada/a-cogeso.adb b/gcc-4.8/gcc/ada/a-cogeso.adb deleted file mode 100644 index fc2198cb4..000000000 --- a/gcc-4.8/gcc/ada/a-cogeso.adb +++ /dev/null @@ -1,127 +0,0 @@ ------------------------------------------------------------------------------- --- -- --- GNAT LIBRARY COMPONENTS -- --- -- --- ADA.CONTAINERS.GENERIC_SORT -- --- -- --- B o d y -- --- -- --- Copyright (C) 2011, Free Software Foundation, Inc. -- --- -- --- 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/>. -- --- -- --- This unit was originally developed by Matthew J Heaney. -- ------------------------------------------------------------------------------- - --- This algorithm was adapted from GNAT.Heap_Sort (see g-heasor.ad[sb]) - -with System; - -procedure Ada.Containers.Generic_Sort (First, Last : Index_Type'Base) is - type T is range System.Min_Int .. System.Max_Int; - - function To_Index (J : T) return Index_Type; - pragma Inline (To_Index); - - function Lt (J, K : T) return Boolean; - pragma Inline (Lt); - - procedure Xchg (J, K : T); - pragma Inline (Xchg); - - procedure Sift (S : T); - - -------------- - -- To_Index -- - -------------- - - function To_Index (J : T) return Index_Type is - K : constant T'Base := Index_Type'Pos (First) + J - T'(1); - begin - return Index_Type'Val (K); - end To_Index; - - -------- - -- Lt -- - -------- - - function Lt (J, K : T) return Boolean is - begin - return Before (To_Index (J), To_Index (K)); - end Lt; - - ---------- - -- Xchg -- - ---------- - - procedure Xchg (J, K : T) is - begin - Swap (To_Index (J), To_Index (K)); - end Xchg; - - Max : T := Index_Type'Pos (Last) - Index_Type'Pos (First) + T'(1); - - ---------- - -- Sift -- - ---------- - - procedure Sift (S : T) is - C : T := S; - Son : T; - Father : T; - - begin - loop - Son := C + C; - - if Son < Max then - if Lt (Son, Son + 1) then - Son := Son + 1; - end if; - elsif Son > Max then - exit; - end if; - - Xchg (Son, C); - C := Son; - end loop; - - while C /= S loop - Father := C / 2; - - if Lt (Father, C) then - Xchg (Father, C); - C := Father; - else - exit; - end if; - end loop; - end Sift; - --- Start of processing for Generic_Sort - -begin - for J in reverse 1 .. Max / 2 loop - Sift (J); - end loop; - - while Max > 1 loop - Xchg (1, Max); - Max := Max - 1; - Sift (1); - end loop; -end Ada.Containers.Generic_Sort; |