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annotate scripts/gui/waitforbuttonpress.m @ 18549:16b0cd465ecd

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Handle special case of 0 for pinv with Diagonal matrices. * CDiagMatrix.cc (pseudo_inverse), dDiagMatrix.cc (pseudo_inverse), fCDiagMatrix.cc (pseudo_inverse), fDiagMatrix.cc (pseudo_inverse): Check for special case where element is 0 to avoid a division by zero error.
author Rik <rik@octave.org>
date Mon, 17 Feb 2014 10:04:27 -0800
parents d63878346099
children f6468b8c6a74
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rev   line source
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1 ## Copyright (C) 2004-2013 Petr Mikulik
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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 3 of the License, or (at
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8 ## your option) 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} waitforbuttonpress ()
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21 ## @deftypefnx {Function File} {@var{a} =} waitforbuttonpress ()
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22 ## Wait for mouse click or key press over the current figure window.
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23 ##
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24 ## The return value of @var{b} is 0 if a mouse button was pressed or 1 if a
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25 ## key was pressed.
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26 ## @seealso{waitfor, ginput, kbhit}
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27 ## @end deftypefn
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28
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29 ## The original version of this code bore the copyright
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30 ## Author: Petr Mikulik
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31 ## License: public domain
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32
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33 function b = waitforbuttonpress ()
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34
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35 if (nargin != 0 || nargout > 1)
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36 print_usage ();
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37 endif
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38
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39 [x, y, k] = ginput (1);
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40
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41 if (nargout == 1)
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42 if (k <= 5)
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43 b = 0;
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44 else
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45 b = 1;
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46 endif
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47 endif
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48
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49 endfunction
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50
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51
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52 %% Test input validation
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53 %!error waitforbuttonpress (1)
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54 %!error [a,b,c] = waitforbuttonpress ()
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55