Mercurial > hg > octave-nkf

annotate scripts/general/flipud.m @ 17874:28e9562d708b

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Fix display of '{}' for empty cells in GUI Variable window. * libinterp/octave-value/ov-cell.cc(short_disp): Use parentheses around tertiary operator expression so that C++ stream operator '<<' doesn't grab result of test, rather than output of test.
author Rik <rik@octave.org>
date Thu, 07 Nov 2013 09:54:38 -0800
parents d63878346099
children 995df67fc912
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
17744
d63878346099 maint: Update copyright notices for release.
John W. Eaton <jwe@octave.org>
parents: 14363
diff changeset
1 ## Copyright (C) 1993-2013 John W. Eaton
2313
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
2 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
3 ## This file is part of Octave.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
4 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
5 ## Octave is free software; you can redistribute it and/or modify it
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
6 ## under the terms of the GNU General Public License as published by
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
7 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
8 ## your option) any later version.
2313
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
9 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
10 ## Octave is distributed in the hope that it will be useful, but
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
13 ## General Public License for more details.
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
14 ##
5ca126254d15 [project @ 1996-07-11 21:25:22 by jwe]
jwe
parents: 2311
diff changeset
15 ## You should have received a copy of the GNU General Public License
7016
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
16 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe]
jwe
parents: 6046
diff changeset
17 ## <http://www.gnu.org/licenses/>.
245
16a24e76d6e0 [project @ 1993-12-03 02:00:15 by jwe]
jwe
parents: 4
diff changeset
18
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
19 ## -*- texinfo -*-
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
20 ## @deftypefn {Function File} {} flipud (@var{x})
12639
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
21 ## Return a copy of @var{x} with the order of the rows reversed. In
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
22 ## other words, @var{x} is flipped upside-down about a horizontal axis. For
10821
693e22af08ae Grammarcheck documentation of m-files
Rik <octave@nomad.inbox5.com>
parents: 8920
diff changeset
23 ## example:
3426
f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe]
jwe
parents: 3420
diff changeset
24 ##
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
25 ## @example
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
26 ## @group
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
27 ## flipud ([1, 2; 3, 4])
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
28 ## @result{} 3 4
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
29 ## 1 2
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
30 ## @end group
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
31 ## @end example
4869
b92d59213e63 [project @ 2004-04-21 17:03:02 by jwe]
jwe
parents: 3426
diff changeset
32 ##
12639
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents: 11587
diff changeset
33 ## Note that @code{flipud} only works with 2-D arrays. To flip N-D arrays
4869
b92d59213e63 [project @ 2004-04-21 17:03:02 by jwe]
jwe
parents: 3426
diff changeset
34 ## use @code{flipdim} instead.
5642
2618a0750ae6 [project @ 2006-03-06 21:26:48 by jwe]
jwe
parents: 5307
diff changeset
35 ## @seealso{fliplr, flipdim, rot90, rotdim}
3369
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe]
jwe
parents: 2847
diff changeset
36 ## @end deftypefn
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
37
2314
949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe]
jwe
parents: 2313
diff changeset
38 ## Author: jwe
949ab8eba8bc [project @ 1996-07-12 03:58:02 by jwe]
jwe
parents: 2313
diff changeset
39
2311
2b5788792cad [project @ 1996-07-11 20:18:38 by jwe]
jwe
parents: 2303
diff changeset
40 function y = flipud (x)
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
41
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
42 if (nargin != 1)
6046
34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe]
jwe
parents: 5642
diff changeset
43 print_usage ();
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
44 endif
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
45
4869
b92d59213e63 [project @ 2004-04-21 17:03:02 by jwe]
jwe
parents: 3426
diff changeset
46 if (ndims (x) > 2)
8664
e07e93c04080 style fixes
John W. Eaton <jwe@octave.org>
parents: 7411
diff changeset
47 error ("flipud: Only works with 2-d arrays");
4869
b92d59213e63 [project @ 2004-04-21 17:03:02 by jwe]
jwe
parents: 3426
diff changeset
48 endif
b92d59213e63 [project @ 2004-04-21 17:03:02 by jwe]
jwe
parents: 3426
diff changeset
49
4
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
50 nr = rows (x);
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
51 y = x (nr:-1:1, :);
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
52
b4df021f796c [project @ 1993-08-08 01:26:08 by jwe]
jwe
parents:
diff changeset
53 endfunction
7411
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7017
diff changeset
54
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7017
diff changeset
55
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
56 %!assert (flipud ([1, 2; 3, 4]), [3, 4; 1, 2])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
57 %!assert (flipud ([1, 2; 3, 4; 5, 6]), [5, 6; 3, 4; 1, 2])
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
58 %!assert (flipud ([1, 2, 3; 4, 5, 6]), [4, 5, 6; 1, 2, 3])
7411
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7017
diff changeset
59
14363
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
60 %!error flipud ()
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks
Rik <octave@nomad.inbox5.com>
parents: 14138
diff changeset
61 %!error flipud (1, 2)
7411
83a8781b529d [project @ 2008-01-22 21:52:25 by jwe]
jwe
parents: 7017
diff changeset
62