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Re: idl6.2 and if statemente [message #45890]

Sun, 09 October 2005 01:07

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

Craig Markwardt wrote:

> Reimar Bauer <R.Bauer@fz-juelich.de> writes:
>
>
>> Dear all
>>
>> probably I am confused from some of the other languages I used in the
>> last days.
>>
>> text is a vector of length two
>>
>> IF N_ELEMENTS(text) then dummy=TEMPORARY(text)
>>
>> does not give true till I changed it to
>>
>> IF N_ELEMENTS(text) gt 0 then dummy=TEMPORARY(text)
>>
>>
>> Is there something changed in this behaviour I was sure the first one
>> will work.
>
> Reimar,
>
> IDL has always defined the odd integers as true and the even integers as
> false. Since IDL version 4 at least.
>
> Craig
>

You are right, I do remember. It is always better to write out the complete
logic.

Reimar

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[Message index]

		Re: idl6.2 and if statemente By: R.Bauer on Sun, 09 October 2005 01:07
		Re: idl6.2 and if statemente By: R.Bauer on Sun, 09 October 2005 01:07
		Re: idl6.2 and if statemente By: Paul Selby on Sat, 08 October 2005 18:09
		Re: idl6.2 and if statemente By: Craig Markwardt on Sat, 08 October 2005 14:37

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