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Re: Turning off math error checking for a code block [message #28896 is a reply to message #28890]

Thu, 17 January 2002 09:30

Paul van Delst
Messages: 364
Registered: March 1997

Senior Member

Kenneth Bowman wrote:
>
> I have an array x that is likely to have missing values in it, indicated by NaN's. I would like to search the array for values less than x_min. Because of the NaN's, WHERE generates a floating point error, e.g.,
>
> IDL> print, x
> 0.00000 NaN 2.00000 3.00000
> IDL> print, where(x lt 2.0)
> 0
> % Program caused arithmetic error: Floating illegal operand

Flag the NaN's and Inf's with the result of the FINITE statement. Then do a WHERE on the
result.

paulv

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Paul van Delst Religious and cultural
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[Message index]

		Re: Turning off math error checking for a code block By: Paul van Delst on Fri, 18 January 2002 07:47
		Re: Turning off math error checking for a code block By: Craig Markwardt on Thu, 17 January 2002 16:06
		Re: Turning off math error checking for a code block By: k-bowman on Thu, 17 January 2002 14:50
		Re: Turning off math error checking for a code block By: k-bowman on Thu, 17 January 2002 14:50
		Re: Turning off math error checking for a code block By: Vapuser on Thu, 17 January 2002 13:55
		Re: Turning off math error checking for a code block By: Pavel A. Romashkin on Thu, 17 January 2002 13:36
		Re: Turning off math error checking for a code block By: Paul van Delst on Thu, 17 January 2002 12:54
		Re: Turning off math error checking for a code block By: Vapuser on Thu, 17 January 2002 11:30
		Re: Turning off math error checking for a code block By: John-David T. Smith on Thu, 17 January 2002 12:30
		Re: Turning off math error checking for a code block By: Paul van Delst on Thu, 17 January 2002 12:23
		Re: Turning off math error checking for a code block By: k-bowman on Thu, 17 January 2002 11:48
		Re: Turning off math error checking for a code block By: Paul van Delst on Thu, 17 January 2002 09:30
		Re: Turning off math error checking for a code block By: Liam E. Gumley on Thu, 17 January 2002 09:26
		Re: Turning off math error checking for a code block By: Vapuser on Fri, 18 January 2002 09:45
		Re: Turning off math error checking for a code block By: Martin Downing on Fri, 18 January 2002 09:22

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