From Arne.Kovac@uni-essen.de  Fri Apr  9 15:45:42 1999
From: Arne.Kovac@uni-essen.de (Arne Kovac)
Date: Fri, 9 Apr 1999 16:45:42 +0200 (DFT)
Subject: a strange logical bug (PR#162)
In-Reply-To: <199904091252.OAA03730@blueberry.kubism.ku.dk>
Message-ID: <Pine.A41.4.02.9904091639590.15648-100000@cauchy.mathematik.uni-essen.de>

On Fri, 9 Apr 1999 maechler@stat.math.ethz.ch wrote:

> oh dear;  and we had thought we would clean up the ISNAN definition and
> do_isna[n] functions....

I'm not sure if this fits into the discussion on do_isna, but can anybody
explain to me the following output from R-0.64.0 under AIX:

> NA
[1] NA
> NaN
[1]NaNQ
> par()$tck 
[1]NaNS

What's that? 

Arne

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a strange logical bug (PR#162)
Arne Kovac