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[project @ 2004-03-04 22:10:45 by jwe]
author jwe
date Thu, 04 Mar 2004 22:10:45 +0000
parents
children de3b34644549
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4818
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1 ## Copyright (C) 1998 Ariel Tankus
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2 ##
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3 ## This file is part of Octave.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
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6 ## under the terms of the GNU General Public License as published by
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7 ## the Free Software Foundation; either version 2, or (at your option)
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8 ## any later version.
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9 ##
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10 ## Octave is distributed in the hope that it will be useful, but
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 ## General Public License for more details.
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14 ##
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15 ## You should have received a copy of the GNU General Public License
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16 ## along with Octave; see the file COPYING. If not, write to the Free
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17 ## Software Foundation, 59 Temple Place - Suite 330, Boston, MA
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18 ## 02111-1307, USA.
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19
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20 ## -*- texinfo -*-
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21 ## @deftypefn {Mapping Function} {[@var{r1}, @var{r2}, @dots{}, @var{rn}] =} deal (@var{a})
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22 ## @deftypefnx {Mapping Function} {[@var{r1}, @var{r2}, @dots{}, @var{rn}] =} deal (@var{a1}, @var{a2}, @dots{}, @var{an})
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23 ##
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24 ## Copy the input parameters into the corresponding output parameters.
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25 ## If only one input parameter is supplied, its value is copied to each
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26 ## of the outputs.
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27 ##
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28 ## For example,
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29 ##
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30 ## @example
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31 ## [a, b, c] = deal (x, y, z);
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32 ## @end example
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33 ##
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34 ## @noindent
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35 ## is equivalent to
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36 ##
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37 ## @example
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38 ## @group
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39 ## a = x;
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40 ## b = y;
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41 ## c = z;
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42 ## @end group
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43 ## @end example
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44 ##
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45 ## @noindent
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46 ## and
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47 ##
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48 ## @example
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49 ## [a, b, c] = deal (x);
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50 ## @end example
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51 ##
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52 ## @noindent
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53 ## is equivalent to
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54 ##
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55 ## @example
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56 ## a = b = c = x;
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57 ## @end example
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58 ## @end deftypefn
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59
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60 ## Author: Ariel Tankus
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61 ## Author: Paul Kienzle and Etienne Grossman
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62 ## Created: 13.11.98
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63 ## Adapted-by: jwe
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64
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65 function [varargout] = deal (varargin)
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66
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67 if (nargin == 0)
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68 usage ("[a, b, c, d] = deal (x, y, z, a)");
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69 elseif (nargin == 1)
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70 v = varargin{1};
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71 for i = 1:nargout
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72 varargout{i} = v;
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73 endfor
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74 elseif (nargin == nargout)
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75 varargout = varargin;
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76 else
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77 error ("deal: nargin > 1 and nargin != nargout");
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78 endif
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79
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80 endfunction