% RESHAPE - reshape of memory mapped underlying array
%
% Author: Arnaud Delorme, SCCN, INC, UCSD, Nov. 2008

% Copyright (C) 2008 Arnaud Delorme, SCCN, INC, UCSD
%
% This file is part of EEGLAB, see http://www.eeglab.org
% for the documentation and details.
%
% Redistribution and use in source and binary forms, with or without
% modification, are permitted provided that the following conditions are met:
%
% 1. Redistributions of source code must retain the above copyright notice,
% this list of conditions and the following disclaimer.
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% 2. Redistributions in binary form must reproduce the above copyright notice,
% this list of conditions and the following disclaimer in the documentation
% and/or other materials provided with the distribution.
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% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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function a = reshape(a,d1,d2,d3)
    
    % decode length
    % -------------
    if nargin > 3
        d1 = [ d1 d2 d3 ];
    elseif nargin > 2
        d1 = [ d1 d2 ];
    end
    
    if prod(size(a)) ~= prod(d1)
        error('Wrong dimensions for reshaping');
    end
    
    if ~strcmpi(a.fileformat, 'transposed')
        a.data.format{2} = d1;
    else
        if length(d1) == 1
            a.data.format{2} = d1;
        elseif length(d1) == 2
            a.data.format{2} = [d1(2) d1(1)];
        else
            a.data.format{2} = d1([2 3 1]);
        end
    end