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Re: Pass-By-Reference question. [message #38487 is a reply to message #38486]

Thu, 11 March 2004 01:28

Timm Weitkamp
Messages: 66
Registered: August 2002

Member

Today at 17:24 +1300, Mark Hadfield wrote:

> [...]
>
> I don't think Craig was suggesting that you are trying to do something
> strange(*) just that IDL's behaviour, as reported by you, is strange.
> Perhaps it's a bug in PLOT?
>
> To rule out the possibility that you have made some basic mistake, can
> you please post some self-contained test code that illustrates the problem.

I think the little example that came with Tim's first posting is
self-contained enough. I ran it with 5.4 and 6.0 and with both versions
got the same result that he reports.

Here's an observation that makes it even stranger: when you change
"whaddup.pro" so that NODATA is explicitly set to 0 (instead of one)
inside the routine, and you then try to override that by calling

IDL> whaddup, nodata=1

The amazing thing is that this way it works (i.e., inherited overrides
explicit keyword).

Timm

--
Timm Weitkamp <http://people.web.psi.ch/weitkamp>

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[Message index]

		Re: Pass-By-Reference question. By: Mark Hadfield on Thu, 11 March 2004 12:07
		Re: Pass-By-Reference question. By: David Fanning on Thu, 11 March 2004 04:40
		Re: Pass-By-Reference question. By: Chris Lee on Thu, 11 March 2004 02:12
		Re: Pass-By-Reference question. By: Timm Weitkamp on Thu, 11 March 2004 01:28
		Re: Pass-By-Reference question. By: David Fanning on Wed, 10 March 2004 20:34
		Re: Pass-By-Reference question. By: Mark Hadfield on Wed, 10 March 2004 20:24
		Re: Pass-By-Reference question. By: timrobishaw on Wed, 10 March 2004 19:04
		Re: Pass-By-Reference question. By: Mark Hadfield on Wed, 10 March 2004 15:55
		Re: Pass-By-Reference question. By: timrobishaw on Wed, 10 March 2004 15:34
		Re: Pass-By-Reference question. By: Craig Markwardt on Wed, 10 March 2004 13:24
		Re: Pass-By-Reference question. By: Mark Hadfield on Wed, 10 March 2004 12:13
		Re: Pass-By-Reference question. By: Chris Lee on Wed, 10 March 2004 01:37
		Pass-By-Reference question. (ARG_PRESENT) By: Andry William (Please on Fri, 12 March 2004 11:52
		Re: Pass-By-Reference question. By: Craig Markwardt on Thu, 11 March 2004 17:37

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