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function as = soa2aos(starray)
%
% as=soa2aos(starray)
%
% Convert a struct-of-arrays (SoA) to an array-of-structs (AoS)
%
% author: Qianqian Fang (q.fang <at> neu.edu)
%
% input:
% starray: a struct array, with each subfield of numeric vectors
%
% output:
% as: a struct array, containing the same number of subfields as starray
% with each subfield a single scalar; the length of
%
% example:
% a=struct('a',[1,2],'b',[3,4]);
% st=soa2aos(a)
%
% this file is part of JSNIRF specification: https://github.com/NeuroJSON/jsnirf
%
% License: GPLv3 or Apache 2.0, see https://github.com/NeuroJSON/jsnirf for details
%
if (nargin < 1 || ~isstruct(starray))
error('you must give a struct with subfield of numeric vectors');
end
if (length(starray) > 1)
as = starray;
return
end
allsize = structfun(@numel, starray);
if (length(unique(allsize)) > 1)
as = starray;
return
end
strcell = [fieldnames(starray) struct2cell(structfun(@num2cell, starray, 'uniformoutput', 0))]';
as = struct(strcell{:});
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