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# This R package is free software; you can redistribute it and/or
# modify it under the terms of the GNU Library General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This R package 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 Library General Public License for more details.
#
# You should have received a copy of the GNU Library General
# Public License along with this R package; if not, write to the
# Free Foundation, Inc., 59 Temple Place, Suite 330, Boston,
# MA 02111-1307 USA
################################################################################
# METHOD: DESCRIPTION:
# atoms,timeDate Returns date/time atoms from a 'timeDate' object
# months,timeDate Extracts months atom from a 'timeDate' object
################################################################################
# ---------------------------------------------------------------------------- #
# Roxygen Tags
#' @export
# ---------------------------------------------------------------------------- #
setMethod("atoms", "timeDate", function(x, ...)
{
# A function implemented by Diethelm Wuertz
# and improved by Yohan Chalabi
# Description:
# Extracts atoms from a 'timeDate' object.
# Arguments:
# x - a 'timeDate' object from which to extract the
# calendar "atoms".
# Value:
# Returns a data.frame with the following calendar atoms:
# Y(ear), m(onth), d(ay), H(our), M(inutes), S(econds).
# FUNCTION:
# Check Class Type:
if (!inherits(x, "timeDate")) stop("Wrong class type")
# mdy:
X <- as.POSIXlt(x, tz = "GMT")
Y <- X$year + 1900
m <- X$mon + 1
d <- X$mday
H <- X$hour
M <- X$min
S <- X$sec
# Data Frame:
ans <- data.frame(Y = Y, m = m, d = d, H = H, M = M, S = S)
attr(ans, "control") <- c(FinCenter = finCenter(x))
# Return Value:
ans
})
# ---------------------------------------------------------------------------- #
# Roxygen Tags
#' @export
# ---------------------------------------------------------------------------- #
setMethod("atoms", "ANY", function(x, ...)
{
# A function implemented by Diethelm WUertz
# FUNCTION:
# Return Value:
invisible(x)
})
################################################################################
# ---------------------------------------------------------------------------- #
# Roxygen Tags
#' @export
# ---------------------------------------------------------------------------- #
setMethod("months", "timeDate",
function(x, abbreviate=NULL)
{
# A function implemented by Diethelm Wuertz
# and improved by Yohan Chalabi
# Description:
# Extracts months atom from a timeDate object
# Arguments:
# x - a 'timeDate' object from which to extract the
# month "atom".
# Value:
# Returns the month from a 'timeDate' object as an integer
# value or vector with elements ranging between 1 and 12,
# numbering the months from January to December.
# FUNCTION:
# Check Class Type:
if (!inherits(x, "timeDate")) stop("Wrong class type")
# Month:
ans <- as.POSIXlt(x, tz = "GMT")$mon+1
attr(ans, "control") <- c(FinCenter = finCenter(x))
# Return Value:
ans
})
################################################################################
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