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comparison scripts/deprecated/dmult.m @ 8826:d49678a78fb9

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make dmult deprecated
author Jaroslav Hajek <highegg@gmail.com>
date Fri, 20 Feb 2009 12:07:30 +0100
parents
children 55d999c23728
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8825:c3445f1c8cb4 8826:d49678a78fb9
1 ## Copyright (C) 1995, 1996, 1997, 1998, 2000, 2002, 2004, 2005, 2006,
2 ## 2007 Kurt Hornik
3 ##
4 ## This file is part of Octave.
5 ##
6 ## Octave is free software; you can redistribute it and/or modify it
7 ## under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; either version 3 of the License, or (at
9 ## your option) any later version.
10 ##
11 ## Octave is distributed in the hope that it will be useful, but
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 ## General Public License for more details.
15 ##
16 ## You should have received a copy of the GNU General Public License
17 ## along with Octave; see the file COPYING. If not, see
18 ## <http://www.gnu.org/licenses/>.
19
20 ## -*- texinfo -*-
21 ## @deftypefn {Function File} {} dmult (@var{a}, @var{b})
22 ## This function has been deprecated. Use the direct syntax @code{diag(A)*B}
23 ## which is more readable and now also more efficient.
24 ## @end deftypefn
25
26 ## Author: KH <Kurt.Hornik@wu-wien.ac.at>
27 ## Description: Rescale the rows of a matrix
28
29 function M = dmult (a, B)
30
31 persistent warned = false;
32 if (! warned)
33 warned = true;
34 warning ("Octave:deprecated-function",
35 "dmult is obsolete and will be removed from a future version of Octave; please use the straightforward (and now efficient) syntax ""diag(A)*B"".");
36 endif
37
38 if (nargin != 2)
39 print_usage ();
40 endif
41 if (! isvector (a))
42 error ("dmult: a must be a vector of length rows (B)");
43 endif
44 a = a(:);
45 sb = size (B);
46 sb(1) = 1;
47 M = repmat (a(:), sb) .* B;
48 endfunction