a strange logical bug (PR#162)

Arne Kovac Arne.Kovac@uni-essen.de
Fri, 9 Apr 1999 16:45:42 +0200 (DFT)

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
> par()$tck 

What's that? 


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