Nothing
mask<- function(a)
{
##determine which bits are on in a vector of status bytes
if(a>=.Machine$integer.max)
stop("Value > integer.max")
a <- as.integer(a)
as.logical((rep(a, 8)%/%rep(2^(0:7), rep(length(a),8)))%%2)
}
## Rick Becker
## Improved by Peter Melewski 14Apr02
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