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Re: Floats [message #47861 is a reply to message #4362]

Wed, 08 March 2006 13:00

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Sheldon writes:

> Here is a silly question: Can I define a float array and control how
> many decimal places are kept? For example, I want all values to only
> have an accuracy to the nearest 100th (20.15 and not 20.154983445).
> Kind of like in printing, you know, the f5.2 print definition, but only
> for variables and arrrays.

I think you should get one of those Macintosh computers.
I hear they are really friendly. They can probably do
this. The rest of them...they are about as intelligent
as a piece of silicon! :-)

How about something like this:

array = RandomU(-3L, 4, 5)
print, array

array = Fix(array*100) / 100.
print, array

Cheers,

David

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

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[Message index]

		floats from strings... duh! By: pjclinch on Fri, 26 May 1995 00:00
		Re: floats from strings... duh! By: velt on Wed, 31 May 1995 00:00
		Re: floats from strings... duh! By: rarback on Tue, 30 May 1995 00:00
		Re: floats from strings... duh! By: sterner on Tue, 30 May 1995 00:00
		Re: Floats By: David Fanning on Wed, 08 March 2006 18:42
		Re: Floats By: Kenneth P. Bowman on Thu, 09 March 2006 05:11
		Re: Floats By: Kenneth P. Bowman on Wed, 08 March 2006 18:24
		Re: Floats By: Paul Van Delst[1] on Wed, 08 March 2006 16:33
		Re: Floats By: Andrew Cool on Thu, 09 March 2006 15:16
		Re: Floats By: David Fanning on Wed, 08 March 2006 16:19
		Re: Floats By: Mark Hadfield on Wed, 08 March 2006 15:59
		Re: Floats By: James Kuyper on Thu, 09 March 2006 03:10
		Re: Floats By: Paul Van Delst[1] on Wed, 08 March 2006 13:54
		Re: Floats By: Liberum on Wed, 08 March 2006 13:42
		Re: Floats By: Liberum on Wed, 08 March 2006 13:42
		Re: Floats By: Mark Hadfield on Wed, 08 March 2006 13:06
		Re: Floats By: David Fanning on Wed, 08 March 2006 13:00

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