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Re: Help requested in eradicating FOR loops [message #57648 is a reply to message #57539]

Wed, 19 December 2007 13:45

Kenneth Bowman
Messages: 86
Registered: November 2006

Member

In article <fkbg7s$vbl$1@news.ucalgary.ca>,
Jean H <jghasban@DELTHIS.ucalgary.ANDTHIS.ca> wrote:

>>> y_locations = fix(temp) / 4
>
>> I have found that this works a bit better:
>> y_locations = FLOOR(temp / 4)
>
> It is exactly the same thing.... since fix() simply removes the
> decimals (if used with no TYPE keyword), it acts like floor!
>
> Jean

Be careful, FLOOR and FIX (or LONG) are not the same thing.

IDL> print, floor(3.5)
3
IDL> print, long(3.5)
3
IDL> print, floor(-3.5)
-4
IDL> print, long(-3.5)
-3

Cheers, Ken Bowman

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[Message index]

		Help requested in eradicating FOR loops By: dplatten on Fri, 14 December 2007 08:06
		Re: Help requested in eradicating FOR loops By: Jean H. on Wed, 19 December 2007 19:02
		Re: Help requested in eradicating FOR loops By: Kenneth Bowman on Wed, 19 December 2007 13:45
		Re: Help requested in eradicating FOR loops By: Jean H. on Wed, 19 December 2007 08:18
		Re: Help requested in eradicating FOR loops By: dplatten on Wed, 19 December 2007 07:57
		Re: Help requested in eradicating FOR loops By: Spon on Tue, 18 December 2007 05:23

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