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annotate scripts/set/private/validargs.m @ 11523:fd0a3ac60b0e

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update copyright notices
author John W. Eaton <jwe@octave.org>
date Fri, 14 Jan 2011 05:47:45 -0500
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1 ## Copyright (C) 2000-2011 Paul Kienzle
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2 ## Copyright (C) 2009-2010 Jaroslav Hajek
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3 ##
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4 ## This file is part of Octave.
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5 ##
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6 ## Octave is free software; you can redistribute it and/or modify it
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7 ## under the terms of the GNU General Public License as published by
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8 ## the Free Software Foundation; either version 3 of the License, or (at
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9 ## your option) any later version.
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10 ##
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11 ## Octave is distributed in the hope that it will be useful, but
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12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 ## General Public License for more details.
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15 ##
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16 ## You should have received a copy of the GNU General Public License
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17 ## along with Octave; see the file COPYING. If not, see
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18 ## <http://www.gnu.org/licenses/>.
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19
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20 ## Validate arguments for binary set operation.
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21 function [x, y] = validargs (caller, x, y, byrows_arg)
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22
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23 if (nargin == 3)
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24 icx = iscellstr (x);
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25 icy = iscellstr (y);
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26 if (icx || icy)
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27 if (icx && ischar (y))
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28 y = cellstr (y);
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29 elseif (icy && ischar (x))
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30 x = cellstr (x);
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31 elseif (! (icx && icy))
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32 error ("%s: cell array of strings cannot be combined with a nonstring value", caller);
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33 endif
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34 elseif (! (ismatrix (x) && ismatrix (y)))
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35 error ("%s: input arguments must be arrays or cell arrays of strings", caller);
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36 endif
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37 elseif (nargin == 4)
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38 if (strcmpi (byrows_arg, "rows"))
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39 if (iscell (x) || iscell (y))
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40 error ("%s: cells not supported with ""rows""");
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41 elseif (! (ismatrix (x) && ismatrix (y)))
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42 error ("%s: input arguments must be arrays or cell arrays of strings", caller);
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43 else
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44 if (ndims (x) > 2 || ndims (y) > 2)
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45 error ("%s: need 2-dimensional matrices for ""rows""", caller);
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46 elseif (columns (x) != columns (y) && ! (isempty (x) || isempty (y)))
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47 error ("%s: number of columns must match", caller);
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48 endif
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49 endif
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50 else
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51 error ("%s: invalid option: %s", caller, byrows_arg);
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52 endif
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53 else
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54 print_usage (caller);
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55 endif
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56
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57 endfunction