Added a routine to copy options organized in struct into a cell.

matlab/options2cell.m

+function c = options2cell(o)
+
+% Converts an option structure as a cell of NAME and VALUE pairs.
+%
+% INPUTS 
+%  o o       matlab's structure holding a set of options (each field name is the name of an option and the associated content is the value of the option).
+%
+% OUTPUTS 
+%  o c       matlab's cell row array of the form {NAME1, VALUE1, NAME2, VALUE2, NAME3, VALUE3, ...}.
+
+% Copyright (C) 2013 Dynare Team.
+%
+% This file is part of Dynare.
+%
+% Dynare 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.
+%
+% Dynare 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 Dynare.  If not, see <http://www.gnu.org/licenses/>.
+
+s = fieldnames(o);
+c = {};
+j = 1; 
+ 
+for i=1:length(s)
+    c(j) = {s{i}}; 
+    c(j+1) = {o.(s{i})}; 
+    j = j+2; 
+end
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