[Rd] 0 ^ NaN == Inf, why?

From: Stephen Milborrow <milbo_at_sonic.net>
Date: Sat, 25 Oct 2008 15:59:53 +0100


In R, 0 ^ NaN yields Inf. I would have expected NaN or perhaps 0. Is this behaviour intended?

>sessionInfo()

R version 2.8.0 (2008-10-20)
i386-pc-mingw32

locale:
LC_COLLATE=English_United States.1252;LC_CTYPE=English_United States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252

attached base packages:
[1] stats graphics grDevices utils datasets methods base

Steve Milborrow
www.milbo.users.sonic.net



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