1 ------------------------------------------------------------------------------
3 -- GNAT RUN-TIME LIBRARY COMPONENTS --
5 -- S Y S T E M . C O M P A R E _ A R R A Y _ S I G N E D _ 1 2 8 --
9 -- Copyright (C) 2002-2024, Free Software Foundation, Inc. --
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 3, 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. --
18 -- As a special exception under Section 7 of GPL version 3, you are granted --
19 -- additional permissions described in the GCC Runtime Library Exception, --
20 -- version 3.1, as published by the Free Software Foundation. --
22 -- You should have received a copy of the GNU General Public License and --
23 -- a copy of the GCC Runtime Library Exception along with this program; --
24 -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see --
25 -- <http://www.gnu.org/licenses/>. --
27 -- GNAT was originally developed by the GNAT team at New York University. --
28 -- Extensive contributions were provided by Ada Core Technologies Inc. --
30 ------------------------------------------------------------------------------
32 -- This package contains functions for runtime comparisons on arrays whose
33 -- elements are 128-bit discrete type values to be treated as signed.
35 package System
.Compare_Array_Signed_128
is
37 -- Note: although the functions in this package are in a sense Pure, the
38 -- package cannot be declared as Pure, since the arguments are addresses,
39 -- not the data, and the result is not pure wrt the address values.
41 function Compare_Array_S128
42 (Left
: System
.Address
;
43 Right
: System
.Address
;
45 Right_Len
: Natural) return Integer;
46 -- Compare the array starting at address Left of length Left_Len
47 -- with the array starting at address Right of length Right_Len.
48 -- The comparison is in the normal Ada semantic sense of array
49 -- comparison. The result is -1,0,+1 for Left<Right, Left=Right,
50 -- Left>Right respectively.
52 end System
.Compare_Array_Signed_128
;