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Re: matching lists [message #43382 is a reply to message #19300]

Wed, 06 April 2005 18:42

JD Smith
Messages: 850
Registered: December 1999

Senior Member

On Wed, 06 Apr 2005 19:07:40 -0600, David Fanning wrote:

> JD Smith writes:
>
>> I'm on 6.1.1 Linux, and I get:
>>
>> IDL> print,sort([1,1])
>> 0 1
>>
>> Anybody else get Dick's behavior?
>
> I'm guessing the Astronomy Library routine uses BSORT,
> avoiding the SORT problem altogether.
>
> Cheers,
>
> David
>
> P.S. Microsoft is notorious for this SORT problem, is
> what I hear.

Well, technically either answer is correct, since sorting two equal
elements can be done in either order. MATCH uses regular SORT, but just
keeps it's own index lists to avoid this problem.

JD

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[Message index]

		matching lists By: Mark Fardal on Fri, 10 March 2000 00:00
		Re: matching lists By: JD Smith on Wed, 06 April 2005 18:42
		Re: matching lists By: David Fanning on Wed, 06 April 2005 18:07
		Re: matching lists By: JD Smith on Wed, 06 April 2005 16:44
		Re: matching lists By: Dick Jackson on Wed, 06 April 2005 13:58

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