% -------------------------------------------------------------------------------------------------
% dist_p.m: 
%
% Copyright (C) 2004 Federico Cantini, Clinical Physiology Institute, CNR, Pisa, Italy
%
% This program 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 2 of the License, or (at your option) any later version.
%
% This program is distributed "as is" and "as available" in the hope that it will be useful,
% but WITHOUT ANY WARRANTY of any kind; 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 this program;
% if not, write to the Free Software Foundation, Inc.,
% 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
%
% For any comment or bug report, please send e-mail to: federico.cantini@ifc.cnr.it
% -------------------------------------------------------------------------------------------------

function da = dist_p(x1, x2)

npt1 = length(x1);
npt2 = length(x2);
npt = min(npt1,npt2);

d = x1(1:npt)-x2(1:npt);
da = sum(abs(d));
end
% -------------------------------------------------------------------------------------------------