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Re: the NaN effect :-| [message #54394 is a reply to message #54392] Tue, 12 June 2007 09:11 Go to previous messageGo to previous message
rkombiyil is currently offline  rkombiyil
Messages: 59
Registered: March 2006
Member
On Jun 13, 12:59 am, Paolo Grigis <pgri...@astro.phys.ethz.ch> wrote:
> metachronist wrote:
>> [...]
>
>> IDL's docu says:
>> <snip from IDL ref guide: Page 1269/4090>
>> If the MAX function is run on an array containing NaN values and the
>> NAN keyword is not set, an invalid result will occur.
>> </snip>
>> The same is said for MIN also.
>
>> So the result (OPS with MIN/MAX) is directly proportional to the
>> number of NaN's we eat? er, add to the array? :P
>
>> So what is right and what is wrong? Enlighten, please.
>
> Why do you expect an "invalid" result to make sense?
>
> Ciao,
> Paolo
>
Paolo,
I know the right way to do is include the NaN keyword, but minus the
keyword, shouldn't it fail even with single 'NaN' in the array, per
the documentation? That's what I was wondering. I mean the min and max
values were "valid" in the first two cases? Am I making sense?
/rk

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