R/dec2base.R

Defines functions dec2base dec2hex

Documented in dec2base dec2hex

##
## Copyright (c) 2010, 2011, Brandon Whitcher
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## $Id: $
##

dec2base <- function(n, base, len=0) {
  symbols <- c(as.character(0:9), LETTERS)
  max.len <- max(trunc(log(max(n, 1)) / log(base)) + 1, len)
  ## determine digits for each number
  power <- rep(1, length(n)) * base^((max.len-1):0)
  n <- n * rep(1, max.len)
  digits <- floor((n %% (base * power)) / power)
  ## convert digits to symbols
  paste(symbols[digits + 1], collapse="")
}

dec2hex <- function(n, len=0) {
  dec2base(n, 16, len)
}

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oro.dicom documentation built on May 2, 2019, 6:07 p.m.