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comparison scripts/deprecated/dmult.m @ 12728:a17269b1148f stable

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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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12727:40b16bb69fec 12728:a17269b1148f
1 ## Copyright (C) 1995-2011 Kurt Hornik
2 ##
3 ## This file is part of Octave.
4 ##
5 ## Octave is free software; you can redistribute it and/or modify it
6 ## under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation; either version 3 of the License, or (at
8 ## your option) any later version.
9 ##
10 ## Octave is distributed in the hope that it will be useful, but
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 ## General Public License for more details.
14 ##
15 ## You should have received a copy of the GNU General Public License
16 ## along with Octave; see the file COPYING. If not, see
17 ## <http://www.gnu.org/licenses/>.
18
19 ## -*- texinfo -*-
20 ## @deftypefn {Function File} {} dmult (@var{a}, @var{b})
21 ## This function has been deprecated. Use the direct syntax @code{diag(A)*B}
22 ## which is more readable and now also more efficient.
23 ## @end deftypefn
24
25 ## Author: KH <Kurt.Hornik@wu-wien.ac.at>
26 ## Description: Rescale the rows of a matrix
27
28 ## Deprecated in version 3.2
29
30 function M = dmult (a, B)
31
32 persistent warned = false;
33 if (! warned)
34 warned = true;
35 warning ("Octave:deprecated-function",
36 "dmult is obsolete and will be removed from a future version of Octave; please use the straightforward (and now efficient) syntax \"diag(A)*B\"");
37 endif
38
39 if (nargin != 2)
40 print_usage ();
41 endif
42 if (! isvector (a))
43 error ("dmult: a must be a vector of length rows (B)");
44 endif
45 a = a(:);
46 sb = size (B);
47 sb(1) = 1;
48 M = repmat (a(:), sb) .* B;
49 endfunction