swh:1:snp:81eadaa089e8253d8469bcef66aa332632c6c669
Tip revision: fdf16693b000f3e309c56091892c61f0ec9fd670 authored by Hans W. Borchers on 21 November 2017, 16:15:00 UTC
version 2.1.1
version 2.1.1
Tip revision: fdf1669
nextpow2.R
###
### NEXTPOW2.R Next higher power of 2
###
nextpow2 <- function(x) {
if (is.null(x) || length(x) == 0) return(c())
if (!is.numeric(x) && !is.complex(x))
stop("Argument 'x' must be a numeric/complex vector/matrix.")
x[x == 0] <- 1
return(ceiling(log2(abs(x))))
}