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Re: round to x number of decimals within floating point value? [message #74333]

Thu, 13 January 2011 16:07

David Fanning
Messages: 11724
Registered: August 2001

Senior Member

Paulo Penteado writes:

> Is this a non-default finite()? The one I know takes an argument,
> returning whether the elements are finite numbers (not infinity or
> NaN).

Sorry, totally asleep at the wheel. :-(

goodval = where(finite(array) EQ 1, count)

This is the way I usually screen for NANs. Keywords can add
specificity, but this typically works for me. I don't usually
care *why* a value is bad. I just want to work with good values.

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.")

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[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

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