https://github.com/cran/pracma
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Tip revision: c1688b374d201c13fb40b4dda2d2a89e34b94ec6 authored by Hans W. Borchers on 23 January 2021, 09:10:02 UTC
version 2.3.3
Tip revision: c1688b3
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))))
}
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