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Re: Array has a corrupted descriptor [message #25158 is a reply to message #25157]

Mon, 21 May 2001 07:58

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

William Thompson wrote:
>
> Reimar Bauer <r.bauer@fz-juelich.de> writes:
>
>> Hi,
>
>> I got an error sometimes in one of my routines only on AIX.
>
>> -- IDL> help,!version,/str
>> ** Structure !VERSION, 7 tags, length=44:
>> ARCH STRING 'ibmr2'
>> OS STRING 'AIX'
>> OS_FAMILY STRING 'unix'
>> RELEASE STRING '5.4.1'
>> BUILD_DATE STRING 'Jan 16 2001'
>> MEMORY_BITS INT 32
>> FILE_OFFSET_BITS
>> INT = 32
>
>> The same routine works on linux and windows.
>
>> The error text is:
>> % Array has a corrupted descriptor: VAR
>
>> the calling sequence is something like this
>
>> var=function(x)
>
>> First I like to know what's this error is meaning.
>
>> It seems to me that's the RETURN statement won't work.
>
>> The result value of my function is good.
>
>> If it reachs the calling level of the function I got
>> this error.
>
> I suspect that the function is calling external code via something like
> CALL_EXTERNAL or LINKIMAGE. I've gotten error messages like that in the past
> when mixing IDL with external code.

In some of the functions is EXECUTE used (it's not easy to change them
to
call_function at them moement). CALL_EXTERNAL or LINKIMAGE isn't used.
Do you believe EXECUTE will be give this error too ?

>
> The descriptor is the thing which describes a variable in IDL. It contains the
> datatype, array dimensions, and the physical location of the data in memory.
> When you pass around variables in IDL, you're really passing around the
> descriptors.
>
> William Thompson

--
Reimar Bauer

Institut fuer Stratosphaerische Chemie (ICG-1)
Forschungszentrum Juelich
email: R.Bauer@fz-juelich.de
http://www.fz-juelich.de/icg/icg1/
============================================================ ======
a IDL library at ForschungsZentrum Juelich
http://www.fz-juelich.de/icg/icg1/idl_icglib/idl_lib_intro.h tml

http://www.fz-juelich.de/zb/text/publikation/juel3786.html
============================================================ ======

read something about linux / windows
http://www.suse.de/de/news/hotnews/MS.html

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[Message index]

		Re: Array has a corrupted descriptor By: R.Bauer on Mon, 21 May 2001 09:03
		Re: Array has a corrupted descriptor By: Stein Vidar Hagfors H[1] on Mon, 21 May 2001 08:15
		Re: Array has a corrupted descriptor By: R.Bauer on Mon, 21 May 2001 07:58
		Re: Array has a corrupted descriptor By: thompson on Mon, 21 May 2001 07:56
		Re: Array has a corrupted descriptor By: R.Bauer on Mon, 04 June 2001 10:34

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