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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.lang.ada
Subject: Re: Stream_Element_Array
Date: Wed, 14 Sep 2011 14:42:47 +0200
Organization: cbb software GmbH
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Date: 2011-09-14T14:42:47+02:00
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On Wed, 14 Sep 2011 11:18:30 +0100, Simon Wright wrote:

> "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de> writes:
> 
>> On Wed, 14 Sep 2011 11:40:01 +0200, Dmitry A. Kazakov wrote:
>>
>>>       -- Little endian implementation of Get for Unsigned_16
>>>    procedure Get
>>>              (  Source : Stream_Element_Array;
>>>                 Index  : in out Stream_Element_Offset;
>>>                 Data   : out Unsigned_16
>>>              )  is
>>>    begin
>>>       Data := Stream_Element'Pos (Source (Index)) +
>>>               Stream_Element'Pos (Source (Index + 1));
>>
>> Rather:
>>
>>        Stream_Element'Pos (Source (Index + 1)) * 256;
> 
> That's an implementation where both the stream and the processor are
> little-endian.

It is an implementation when the format of unsigned 16 is little endian.
The processor endianness can be any, which is the point of doing it this
way.

-- 
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de