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Re: Interesting property of sort [message #54084 is a reply to message #53994]

Wed, 16 May 2007 08:55

wlandsman@jhu.edu
Messages: 12
Registered: September 2006

Junior Member

> Humm. Well, I haven't looked at it in a long time.
> Looks to me like BSORT uses the IDL SORT command to
> get the initial cut. (And I have NO idea what algorithm
> is used for that. It is the standard OS SORT routine,
> I'm sure.)
>
That's right, the IDL SORT uses the sort algorithm of the OS, so the
way it treats equal values depends on the OS. From previous
discussions here, I believe that most Linux systems preserve order for
equal values, but Windows and Mac OSX do not. I've been tempted to
update bsort.pro to just call SORT if the user is on the "right" OS,
but that sort ( pun intended) of coding is difficult to maintain. --
Wayne

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[Message index]

		Interesting property of sort By: cmancone on Wed, 16 May 2007 05:41
		Re: Interesting property of sort By: cmancone on Thu, 17 May 2007 10:55
		Re: Interesting property of sort By: David Fanning on Wed, 16 May 2007 10:01
		Re: Interesting property of sort By: cmancone on Wed, 16 May 2007 09:52
		Re: Interesting property of sort By: wlandsman@jhu.edu on Wed, 16 May 2007 08:55
		Re: Interesting property of sort By: David Fanning on Wed, 16 May 2007 07:37
		Re: Interesting property of sort By: cmancone on Wed, 16 May 2007 07:23
		Re: Interesting property of sort By: David Fanning on Wed, 16 May 2007 06:50

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