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Re: eh..a question about idl...i really need some help [message #77826 is a reply to message #77819]

Wed, 05 October 2011 12:16

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Kane Earnest writes:

> when i come to the astronomy user's library, it halted at one program
> at
>
> lambda = Varray (min(filter_w), max(filter_w), 1000.)
>
> the error message is that
>
> % Compiled module: $MAIN$.
> % Variable is undefined: VARRAY.
> % Execution halted at: $MAIN$
>
> i want to know what does this line mean,and how to correct it

I suppose it means IDL thinks Varray is a variable,
rather than a function. You can "fix" it by making
sure you only use parentheses for function calls
and not for array subscripting. You do this by adding
the compiler option strictarr to the top of the program
module where you are having problems (in other words, *all*
of them!).

compile_opt strictarr

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

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		Re: eh..a question about idl...i really need some help By: i's_can on Sat, 08 October 2011 23:14
		Re: eh..a question about idl...i really need some help By: Nikola on Fri, 07 October 2011 00:45
		Re: eh..a question about idl...i really need some help By: David Fanning on Wed, 05 October 2011 12:16

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