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Re: Help requested in eradicating FOR loops [message #57646 is a reply to message #57539]

Wed, 19 December 2007 19:02

Jean H.
Messages: 472
Registered: July 2006

Senior Member

Kenneth Bowman wrote:
> 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

ooops... thanks for pointing that... thesis writing is bad for coding
details memory :-)

Jean

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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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