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function s = mergestruct(s1, s2)
%
% s=mergestruct(s1,s2)
%
% merge two struct objects into one
%
% authors:Qianqian Fang (q.fang <at> neu.edu)
% date: 2012/12/22
%
% input:
% s1,s2: a struct object, s1 and s2 can not be arrays
%
% output:
% s: the merged struct object. fields in s1 and s2 will be combined in s.
%
% license:
% BSD or GPL version 3, see LICENSE_{BSD,GPLv3}.txt files for details
%
% -- this function is part of JSONLab toolbox (http://iso2mesh.sf.net/cgi-bin/index.cgi?jsonlab)
%
if (~isstruct(s1) || ~isstruct(s2))
error('input parameters contain non-struct');
end
if (length(s1) > 1 || length(s2) > 1)
error('can not merge struct arrays');
end
fn = fieldnames(s2);
s = s1;
for i = 1:length(fn)
s.(fn{i}) = s2.(fn{i});
end
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