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# changeBounds.R
# FBA and friends with R.
#
# Copyright (C) 2010-2014 Gabriel Gelius-Dietrich, Dpt. for Bioinformatics,
# Institute for Informatics, Heinrich-Heine-University, Duesseldorf, Germany.
# All right reserved.
# Email: geliudie@uni-duesseldorf.de
#
# This file is part of sybil.
#
# Sybil 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.
#
# Sybil 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 sybil. If not, see <http://www.gnu.org/licenses/>.
################################################
# Function: changeBounds
#
#
#
#
changeBounds <- function(model, react, lb = NULL, ub = NULL) {
if (!is(model, "modelorg")) {
stop("needs an object of class modelorg!")
}
checkedIds <- checkReactId(model, react)
if (!is(checkedIds, "reactId")) {
stop("argument react is wrong")
}
if ( (is.null(lb)) && (is.null(ub)) ) {
lowbnd(model)[react_pos(checkedIds)] <- rep(0, length(checkedIds))
uppbnd(model)[react_pos(checkedIds)] <- rep(0, length(checkedIds))
}
else {
# set upper bound
if (!is.null(ub)) {
stopifnot(is(ub, "numeric"))
if (length(ub) == 1) {
ubnd <- rep(ub, length(checkedIds))
}
else {
stopifnot(length(ub) == length(checkedIds))
ubnd <- ub
}
uppbnd(model)[react_pos(checkedIds)] <- ubnd
}
if (!is.null(lb)) {
stopifnot(is(lb, "numeric"))
if (length(lb) == 1) {
lbnd <- rep(lb, length(checkedIds))
}
else {
stopifnot(length(lb) == length(checkedIds))
lbnd <- lb
}
lowbnd(model)[react_pos(checkedIds)] <- lbnd
}
}
return(model)
}
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