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Re: n_elements and NaN [message #74632 is a reply to message #74563]

Wed, 26 January 2011 09:20

R.Bauer
Messages: 1424
Registered: November 1998

Senior Member

Am 26.01.2011 09:15, schrieb alx:
> On 25 jan, 21:26, Reimar Bauer <R.Ba...@fz-juelich.de> wrote:
>> Just recognized some fun with NaN or more arguments against NaN.
>>
>> n_elements haven't a NaN keyword
>>
>> Reimar
>
> Why should it do ?
> "N_elements(x)" is the old way for "(Size(x))[-1]" or "Size(x,/
> N_ELEMENTS)".
> What you want is "where(finite(x), COUNT=number_of_finite_elements,
> NCOMP=number_of_nan)".
> The two statements adress two different things: the x size and x
> content.
> alx.

This is only a workaround. Until NaN is not completly supported we will
always have risks to use it. Or having more complicated code as usually
needed. If you for example expect only to have Long values you would
never expect NaN numbers there and the data of type float.

Reimar

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[Message index]

		n_elements and NaN By: R.Bauer on Tue, 25 January 2011 12:26
		Re: n_elements and NaN By: Jeremy Bailin on Thu, 27 January 2011 07:24
		Re: n_elements and NaN By: R.Bauer on Wed, 26 January 2011 09:20
		Re: n_elements and NaN By: lecacheux.alain on Wed, 26 January 2011 00:15
		Re: n_elements and NaN By: rogass on Tue, 25 January 2011 14:19

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