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doc: Update docstring for exist(). * variables.cc (Fexist): Update documentation string.
author Rik <rik@octave.org>
date Sun, 29 Jun 2014 12:58:22 -0700
parents 4ca40b289b2c
children 4197fc428c7d
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bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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1 ## Copyright (C) 2013 Rik Wehbring
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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2 ##
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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3 ## This file is part of Octave.
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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4 ##
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5 ## Octave is free software; you can redistribute it and/or modify it
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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6 ## under the terms of the GNU General Public License as published by
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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7 ## the Free Software Foundation; either version 3 of the License, or (at
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8 ## your option) any later version.
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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9 ##
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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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
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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13 ## General Public License for more details.
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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14 ##
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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15 ## You should have received a copy of the GNU General Public License
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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16 ## along with Octave; see the file COPYING. If not, see
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17 ## <http://www.gnu.org/licenses/>.
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18
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} isaxes (@var{h})
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21 ## Return true if @var{h} is an axes graphics handle and false otherwise.
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22 ##
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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23 ## If @var{h} is a matrix then return a logical array which is true where
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24 ## the elements of @var{h} are axes graphics handles and false where
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25 ## they are not.
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26 ## @seealso{isaxes, ishandle}
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27 ## @end deftypefn
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28
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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29 ## Author: jwe
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30
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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31 function retval = isaxes (h)
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32
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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33 if (nargin != 1)
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34 print_usage ();
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35 endif
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36
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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37 hlist = ishandle (h);
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38 retval = hlist;
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39
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40 if (any (hlist))
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41 retval(hlist) = strcmp (get (h(hlist), "type"), "axes");
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42 endif
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43
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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44 endfunction
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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45
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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46
bcada0a4f8a7 isaxes.m: New function to determine if object is axes handle.
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47 %!test
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48 %! hf = figure ("visible", "off");
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49 %! unwind_protect
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50 %! hax = axes ();
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51 %! assert (isaxes (hax));
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52 %! assert (! isaxes (-hax));
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53 %! unwind_protect_cleanup
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54 %! close (hf);
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55 %! end_unwind_protect
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56
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57 %!test
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58 %! hf = figure ("visible", "off");
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59 %! unwind_protect
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60 %! hax = axes ();
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61 %! assert (isaxes ([hax NaN]), [true false]);
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62 %! unwind_protect_cleanup
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63 %! close (hf);
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64 %! end_unwind_protect