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maint: undo unintended change removing deprecated functions
author John W. Eaton <jwe@octave.org>
date Thu, 09 Jun 2011 13:35:10 -0400
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1 ## Copyright (C) 1995-2011 Kurt Hornik
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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} {} dmult (@var{a}, @var{b})
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21 ## This function has been deprecated. Use the direct syntax @code{diag(A)*B}
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22 ## which is more readable and now also more efficient.
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23 ## @end deftypefn
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24
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25 ## Author: KH <Kurt.Hornik@wu-wien.ac.at>
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26 ## Description: Rescale the rows of a matrix
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27
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28 ## Deprecated in version 3.2
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29
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30 function M = dmult (a, B)
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31
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32 persistent warned = false;
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33 if (! warned)
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34 warned = true;
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35 warning ("Octave:deprecated-function",
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36 "dmult is obsolete and will be removed from a future version of Octave; please use the straightforward (and now efficient) syntax \"diag(A)*B\"");
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37 endif
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38
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39 if (nargin != 2)
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40 print_usage ();
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41 endif
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42 if (! isvector (a))
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43 error ("dmult: a must be a vector of length rows (B)");
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44 endif
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45 a = a(:);
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46 sb = size (B);
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47 sb(1) = 1;
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48 M = repmat (a(:), sb) .* B;
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49 endfunction