#
# 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 3 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/>.
`isOrdered` <- function(x, increasing=TRUE, strictly=TRUE) {
# x must be of type double or integer. Checked in the C code.
if(is.character(x))
stop('character ordering unsupported')
if(!is.numeric(x))
x = as.numeric(x)
.Call('do_is_ordered',
x = x,
increasing = as.logical(increasing),
strictly = as.logical(strictly), PACKAGE='xts')
}
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