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# Copyright (C) 2008-2009 - INRIA - Michael Baudin
# Copyright (C) 2009-2010 - DIGITEO - Michael Baudin
# Copyright (C) 2010-2022 - Sebastien Bihorel
#
# This file must be used under the terms of the CeCILL.
# This source file is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at
# http://www.cecill.info/licences/Licence_CeCILL_V2-en.txt
#
# This source code is a R port of the optimbase component
# originally written by Michael Baudin for Scilab.
assert.classreal <- function(var=NULL,varname=NULL,ivar=NULL){
if (is.null(var))
stop('assert.classreal: no input specified, the variable cannot be checked.',
call.=FALSE)
# Generates an error if the given variable is not of type real
if (!is.numeric(var)) {
if (is.null(varname) | is.null(ivar)){
stop(sprintf('assert.classreal: Expected real variable but got %s instead.',
class(var)),
call.=FALSE)
} else {
stop(sprintf('assert.classreal: Expected real variable for variable %s at input #%d, but got %s instead.',
varname,ivar,class(var)),
call.=FALSE)
}
}
}
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