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# Copyright (C) 2016 Stanislav Kovalevsky
#
# This file is part of QuantTools.
#
# QuantTools 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.
#
# QuantTools 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 QuantTools. If not, see <http://www.gnu.org/licenses/>.
#' @title C++ Exponential Moving Average class
#' @description C++ class documentation
#' @section Usage: \code{Ema( int n )}
#' @param n indicator period
#' @details R function \link{ema}.
#' @family C++ indicators
#' @family C++ classes
#'
#' @section Public Members and Methods:
#' \tabular{lll}{
#' \strong{Name} \tab \strong{Return Type} \tab \strong{Description} \cr
#' \code{Add( double value )} \tab \code{void} \tab update indicator \cr
#' \code{GetValue()} \tab \code{double} \tab return value \cr
#' \code{Reset()} \tab \code{void} \tab reset to initial state \cr
#' \code{IsFormed()} \tab \code{bool} \tab is indicator value valid? \cr
#' \code{GetHistory()} \tab \code{std::vector<double>} \tab return values history
#' }
#'
#' @name Ema
#' @rdname cpp_Ema
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