round(numeric(0)) (PR#235)

[ripley@stats.ox.ac.uk]

Try

> round(numeric(0))
[1] NA
> floor(numeric(0))
numeric(0)
> trunc(numeric(0))
numeric(0)

S has them all as numeric(0), and I think R is wrong.
This looks like a design error in the math2 group: it applies to 
signif too, and also to the complex cases, e.g.
> signif(complex(0))
[1] NA



--please do not edit the information below--

Version:
 platform = sparc-sun-solaris2.6
 arch = sparc
 os = solaris2.6
 system = sparc, solaris2.6
 status = 
 status.rev = 0
 major = 0
 minor = 64.2
 year = 1999
 month = July
 day = 3
 language = R

Search Path:
 .GlobalEnv, package:ts, Autoloads, package:base

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