#
# xts: eXtensible time-series
#
# Copyright (C) 2008 Jeffrey A. Ryan jeff.a.ryan @ gmail.com
#
# Contributions from Joshua M. Ulrich
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
naCheck <- function(x, n=0) {
if(is.null(dim(x)[2])) {
NAs <- .Call(C_naCheck, x, TRUE)
} else NAs <- .Call(C_naCheck, rowSums(x), TRUE)
ret <- list()
ret$NAs <- NAs
ret$nonNA <- (1+NAs):NROW(x)
ret$beg <- n+NAs
invisible(ret)
}
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