https://github.com/cran/fields
Tip revision: 6c8b30169bba182a68765ee3cb9b4e2ef7d38332 authored by Doug Nychka on 16 November 2011, 00:00:00 UTC
version 6.6.3
version 6.6.3
Tip revision: 6c8b301
dyadic.check.R
# fields, Tools for spatial data
# Copyright 2004-2011, Institute for Mathematics Applied Geosciences
# University Corporation for Atmospheric Research
# Licensed under the GPL -- www.gpl.org/licenses/gpl.html
dyadic.check <- function(n, cut.p = 2) {
# checks that n is of the form
# n=p*2^m where p <= cut.p
n2 <- as.integer(n)
while (n2 > cut.p) {
if (n2%%2 != 0) {
cat(n, "must equal p*2^m where p is less than or equal to ",
cut.p, fill = TRUE)
return(FALSE)
}
n2 <- n2/2
}
return(TRUE)
}