https://github.com/cran/pracma
Tip revision: 9a644c12884525087aa1db3ecf57586b29fb17d8 authored by HwB on 06 June 2011, 00:00:00 UTC
version 0.5-3
version 0.5-3
Tip revision: 9a644c1
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))))
}