Mercurial > hg > octave-lyh
annotate scripts/plot/isprop.m @ 12812:4c93cc41da15 stable
codesprint: add demo for surf.m and surfc.m
| author | Kai Habel <kai.habel@gmx.de> |
|---|---|
| date | Sat, 16 Jul 2011 20:56:20 +0200 |
| parents | c792872f8942 |
| children | 7715aca4bce1 |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 2010-2011 Ben Abbott |
| 11374 | 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 -*- | |
|
11431
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11374
diff
changeset
|
20 ## @deftypefn {Function File} {@var{res} =} isprop (@var{h}, @var{prop}) |
|
0d9640d755b1
Improve docstrings for all isXXX functions.
Rik <octave@nomad.inbox5.com>
parents:
11374
diff
changeset
|
21 ## Return true if @var{prop} is a property of the object with handle @var{h}. |
| 11374 | 22 ## @seealso{get, set} |
| 23 ## @end deftypefn | |
| 24 | |
| 25 ## Author: Ben Abbott <bpabbott@mac.com> | |
| 26 | |
| 27 function res = isprop (h, prop) | |
| 28 ## Check input | |
| 29 if (nargin < 1 || nargin > 2) | |
| 30 print_usage (); | |
| 31 endif | |
|
11587
c792872f8942
all script files: untabify and strip trailing whitespace
John W. Eaton <jwe@octave.org>
parents:
11523
diff
changeset
|
32 |
| 11374 | 33 if (! ishandle (h)) |
| 34 error ("isprop: first input argument must be a handle"); | |
| 35 elseif (! ischar (prop)) | |
| 36 error ("isprop: second input argument must be string"); | |
| 37 endif | |
| 38 | |
| 39 res = true; | |
| 40 try | |
| 41 v = get (h, prop); | |
| 42 catch | |
| 43 res = false; | |
| 44 end_try_catch | |
| 45 endfunction | |
| 46 | |
| 47 %!assert (isprop (0, "foobar"), false) | |
| 48 | |
| 49 %!assert (isprop (0, "screenpixelsperinch"), true) | |
| 50 |