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Re: Pointer syntax and IDL 4.0 [message #28530 is a reply to message #28527]

Wed, 19 December 2001 13:11

thompson
Messages: 584
Registered: August 1991

Senior Member

tam <tam@lheapop.gsfc.nasa.gov> writes:

> Recently I upgraded the a couple of routines to use pointers
> in certain special cases. However the pointer dereference operator
> is illegal prior to version 5.0, so the code fails to compile on
> older versions of IDL -- though the great majority of the code is still
> useful there. It would be nice to be able to use a single
> version of code to support all users, so I'm asking the question:
> Is there any way of addressing this, i.e., dereferencing a pointer
> in a way that will not cause a syntax error for earlier versions of IDL?

Try using an EXECUTE() statement. We've used that on occasion when
version-dependent code causes compilation problems.

Bill Thompson

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[Message index]

		Re: Pointer syntax and IDL 4.0 By: John-David T. Smith on Wed, 19 December 2001 13:59
		Re: Pointer syntax and IDL 4.0 By: thompson on Wed, 19 December 2001 13:11
		Re: Pointer syntax and IDL 4.0 By: Pavel A. Romashkin on Wed, 19 December 2001 13:01
		Re: Pointer syntax and IDL 4.0 By: Paul van Delst on Wed, 19 December 2001 13:07
		Re: Pointer syntax and IDL 4.0 By: Craig Markwardt on Wed, 19 December 2001 15:36

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