X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fnan-2.5.5%2Fcumsumskipnan.m;fp=octave_packages%2Fnan-2.5.5%2Fcumsumskipnan.m;h=1e22173d712355b40cccfad74fc465de0cebe88f;hp=0000000000000000000000000000000000000000;hb=c880e8788dfc484bf23ce13fa2787f2c6bca4863;hpb=1705066eceaaea976f010f669ce8e972f3734b05

diff --git a/octave_packages/nan-2.5.5/cumsumskipnan.m b/octave_packages/nan-2.5.5/cumsumskipnan.m
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+function [x] = cumsumskipnan(x, DIM)
+% CUMSUMSKIPNAN  Cumulative sum while skiping NaN's. 
+% If DIM is omitted, it defaults to the first non-singleton dimension.
+% 
+% Y = cumsumskipnan(x [,DIM])
+% 
+% x	input data 	
+% DIM	dimension (default: [])
+% y	resulting sum
+%
+% see also: CUMSUM, SUMSKIPNAN
+
+
+%    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 3 of the License, or
+%    (at your option) any later version.
+%
+%    This program 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 this program; If not, see <http://www.gnu.org/licenses/>.
+
+%	$Id$
+%    	Copyright (C) 2011 by Alois Schloegl <alois.schloegl@gmail.com>	
+%       This function is part of the NaN-toolbox
+%       http://pub.ist.ac.at/~schloegl/matlab/NaN/
+
+
+%%% TODO: implement as mex-function
+
+i = isnan(x);
+x(i) = 0;
+
+if nargin==2,
+	x = cumsum(x,DIM);
+	x(i) = NaN;
+elseif nargin==1,
+	x = cumsum(x);
+	x(i) = NaN;
+else
+	help cumsumskipnan
+end; 	
+
+
+