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Re: WHERE_ARRAY, a problem? [message #47906]

Thu, 16 March 2006 12:58

maldayeh
Messages: 13
Registered: January 2006

Junior Member

Very interesting to know.
Thanks.
-M

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Re: WHERE_ARRAY, a problem? [message #47907 is a reply to message #47906]

Thu, 16 March 2006 10:57

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

maldayeh@gmail.com writes:

> This example is in the function: where_array and it is not giving the
> indicated output:
>
> ; EXAMPLE:
> A=[2,1,3,5,3,8,2,5]
> B=[3,4,2,8,7,8]
> result = where_array(a,b)
> print,result
> 0 0 2 2 3 5
>
> indeed, I am getting this error:
> % Compiled module: WHERE_ARRAY.
> % WHERE_ARRAY: Inproper parametrs
> % WHERE_ARRAY: Parameters cannot be of type Structure

This is a famous gotcha:

http://www.dfanning.com/misc_tips/noidea.html

Cheers,

David
--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.dfanning.com/

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