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// Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
// Copyright (C) 2002-2004 - INRIA - Vincent COUVERT
//
// 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
function [tree]=sci_logical(tree)
// M2SCI function
// Conversion function for Matlab logical()
// Input: tree = Matlab funcall tree
// Ouput: tree = Scilab equivalent for tree
// Emulation function: mtlb_logical()
X = getrhs(tree)
// Conversion to double is made to have the same results for strings
if or(X.vtype==[String,Unknown]) then
X = convert2double(X)
tree.rhs=list(X)
end
if is_empty(X) then
set_infos(msprintf(gettext("%s is an empty matrix, so result is set to []."),expression2code(X)),0);
tree=Cste([])
elseif not_empty(X) then
if X.vtype==Boolean then
if typeof(X)=="operation" then
X.out(1)=tree.lhs(1)
elseif typeof(X)=="funcall" then
X.lhs(1)=tree.lhs(1)
end
tree=X
else
tree=Operation("<>",list(X,Cste(0)),tree.lhs)
tree.out(1).dims=X.dims
tree.out(1).type=Type(Boolean,Real)
end
else
tree.name="mtlb_logical"
tree.lhs(1).dims=list(Unknown,Unknown)
tree.lhs(1).type=Type(Boolean,Real)
end
endfunction
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