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Re: N_ELEMENTS and WHERE: Scalar or Array ? [message #14222 is a reply to message #14130]

Fri, 29 January 1999 00:00

David Ritscher
Messages: 30
Registered: August 1995

Member

> non_zero_xvalues = WHERE (subarray1 GT 0)
> IF(non_zero_array EQ -1) ...
>
> gets me into trouble because, when it is an array, I get an error. If I use
> N_ELEMENTS(non_zero_array) there is always at least one element, whether it
> is -1 or something else. I don't like ignoring the 'something else' value
> just because it is the only one. Is the answer another IF statement or some
> sort of error control?

This is my old standby:

non_zero_xvalues = WHERE (subarray1 GT 0)
IF(non_zero_array(0) EQ -1) ...

David Ritscher
--
Cardiac Rhythm Management Laboratory
Department of Medicine
University of Alabama at Birmingham
B168 Volker Hall - 1670 University Boulevard
Birmingham AL 35294-0019
Tel: (205) 975-2122 Fax: (205) 975-4720
Email: david.ritscher@bigfoot.com

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[Message index]

		N_ELEMENTS and WHERE: Scalar or Array ? By: rmlongfield on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: davidf on Wed, 03 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: steinhh on Wed, 03 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: wmc on Wed, 03 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: wmc on Wed, 03 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: Jack Saba on Tue, 02 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: steinhh on Tue, 02 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: Craig Markwardt on Mon, 01 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: wmc on Mon, 01 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: steinhh on Mon, 01 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: wmc on Mon, 01 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: Mark Buckley on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: davidf on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: David Ritscher on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: David Kastrup on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: R.Bauer on Fri, 29 January 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: David Ritscher on Thu, 04 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: Michael Werger on Thu, 04 February 1999 00:00
		Re: N_ELEMENTS and WHERE: Scalar or Array ? By: Annette Schloss on Wed, 03 February 1999 00:00

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