comp.lang.idl-pvwave archive: archive » Re: round to x number of decimals within floating point value?

Home » Public Forums » archive » Re: round to x number of decimals within floating point value?

Show: Today's Messages :: Show Polls :: Message Navigator
E-mail to friend

Re: round to x number of decimals within floating point value? [message #74353 is a reply to message #74352]

Thu, 13 January 2011 11:35

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Snow53 writes:

> I need to round the values within a file to three decimal places. For
> example, 0.00053335 would become 0.001.
> I also have many NaNs within the file.

goodval = where(array EQ Finite(), count)
if count gt 0 then begin
array[gooval] = Float(Round(array[goodval]*1000)/1000.)
endif

Cheers,

David

--
David Fanning, Ph.D.
Fanning Software Consulting, Inc.
Coyote's Guide to IDL Programming: http://www.idlcoyote.com/
Sepore ma de ni thui. ("Perhaps thou speakest truth.")

Report message to a moderator

[Message index]

		Re: round to x number of decimals within floating point value? By: David Fanning on Thu, 13 January 2011 16:07
		Re: round to x number of decimals within floating point value? By: penteado on Thu, 13 January 2011 15:55
		Re: round to x number of decimals within floating point value? By: Snow53 on Thu, 13 January 2011 11:40
		Re: round to x number of decimals within floating point value? By: David Fanning on Thu, 13 January 2011 11:35
		Re: round to x number of decimals within floating point value? By: Kenneth P. Bowman on Fri, 14 January 2011 07:16

Previous Topic:	Temp variables are checked out
Next Topic:	Re: Temp variables are checked out

-=] Back to Top [=-

[ Syndicate this forum (XML) ] [

] [

]

Current Time: Sun Oct 12 13:21:45 PDT 2025

Total time taken to generate the page: 2.40513 seconds