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Re: Could you explain why this happen? [message #70686]

Thu, 29 April 2010 03:57

Carsten Lechte
Messages: 124
Registered: August 2006

Senior Member

David Fanning wrote:
> An IDL start-up file is simply a text file containing
> IDL commands of the sort you would type at the IDL
> command line. You point to it via an environment
> variable named IDL_STARTUP.

Note however, that COMPILE_OPT only affects the local scope, i.e. you have
to put it into every procedure and function definition, not just into the
startup file, or you will be wondering if the sky is falling. Example:

IDL Version 6.4 (linux x86 m32). (c) 2007, ITT Visual Information Solutions
IDL> print, 32000*6
-4608
IDL> compile_opt defint32
IDL> print, 32000*6
192000
IDL> .comp
- pro test
- print, 32000*6
- end
% Compiled module: TEST.
IDL> test
-4608
IDL> print, 32000*6
192000
IDL>

chl

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[Message index]

		Re: Could you explain why this happen? By: Carsten Lechte on Thu, 29 April 2010 03:57
		Re: Could you explain why this happen? By: David Fanning on Wed, 28 April 2010 12:26
		Re: Could you explain why this happen? By: bryan.s.hong on Wed, 28 April 2010 10:54
		Re: Could you explain why this happen? By: David Fanning on Wed, 28 April 2010 10:06
		Re: Could you explain why this happen? By: Michael Galloy on Wed, 28 April 2010 10:04
		Re: Could you explain why this happen? By: jeanh on Wed, 28 April 2010 10:01

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