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update copyright notices
author John W. Eaton <jwe@octave.org>
date Sat, 07 Mar 2009 10:41:27 -0500
parents 954b6f69f51d
children 04a616348cec
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1 ## Copyright (C) 2008 Jaroslav Hajek
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2 ## Copyright (C) 2009 VZLU Prague
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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 ## -*- texinfo -*-
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21 ## @deftypefn {Function File} {} optimget (@var{options}, @var{parname})
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22 ## @deftypefnx {Function File} {} optimget (@var{options}, @var{parname}, @var{default})
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23 ## Return a specific option from a structure created by
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24 ## @code{optimset}. If @var{parname} is not a field of the @var{options}
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25 ## structure, return @var{default} if supplied, otherwise return an
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26 ## empty matrix.
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27 ## @end deftypefn
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28
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29 function retval = optimget (options, parname, default)
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30
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31 if (nargin < 2 || nargin > 4 || ! isstruct (options) || ! ischar (parname))
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32 print_usage ();
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33 endif
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34
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35 opts = __all_opts__ ();
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36 idx = lookup (opts, parname, "i");
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37
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38 if (idx > 0 && strcmpi (parname, opts{idx}))
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39 parname = opts{idx};
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40 else
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41 warning ("unrecognized option: %s", parname);
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42 endif
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43 if (isfield (options, parname))
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44 retval = options.(parname);
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45 elseif (nargin > 2)
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46 retval = default;
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47 else
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48 retval = [];
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49 endif
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50
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51 endfunction
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52