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Re: Need Help Resolving ENDIF Errors [message #65585 is a reply to message #65538]

Thu, 12 March 2009 07:14

Jeremy Bailin
Messages: 618
Registered: April 2008

Senior Member

On Mar 11, 9:11 pm, David Fanning <n...@dfanning.com> wrote:
> Jeremy Bailin writes:
>> 1. Yes, there is a use of asking where(XX ne XX) - it tells you where
>> there are NaNs. I use it all the time.
>
> Oh, dear! That's sorta like using the rhythm method of
> birth control, isn't it? I mean, maybe combined with
> hope and prayer, but...I certainly wouldn't rely on
> it. Better to use something that is actually defined
> in the operating system, I think. Here is an article:
>
> http://www.dfanning.com/math_tips/nans.html
>
> Cheers,
>
> David
> --
> David Fanning, Ph.D.
> Fanning Software Consulting, Inc.
> Coyote's Guide to IDL Programming:http://www.dfanning.com/
> Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Ye gods! I must admit to never having used IDL in windows, so I've
never found that issue. Or used windows at all in a decade, for that
matter. Hmmm.

Any idea whether this statement: "If this turns out to be true there a
good chance that in the future the behavior of the Windows and Unix
versions of IDL will be consistent. [That is, versions after IDL
5.6.]" is indeed true for recent versions?

-Jeremy.

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[Message index]

		Need Help Resolving ENDIF Errors By: einszweilieb on Tue, 10 March 2009 13:38
		Re: Need Help Resolving ENDIF Errors By: Carsten Lechte on Thu, 12 March 2009 07:43
		Re: Need Help Resolving ENDIF Errors By: Carsten Lechte on Thu, 12 March 2009 07:35
		Re: Need Help Resolving ENDIF Errors By: David Fanning on Thu, 12 March 2009 07:28
		Re: Need Help Resolving ENDIF Errors By: Jeremy Bailin on Thu, 12 March 2009 07:14
		Re: Need Help Resolving ENDIF Errors By: David Fanning on Wed, 11 March 2009 18:11

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