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comparison scripts/plot/polar.m @ 10730:390d93e20531

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Plot commands now print usage information without errors when called with no arguments (bug #29986).
author Rik <octave@nomad.inbox5.com>
date Thu, 24 Jun 2010 12:22:27 -0700
parents 95c3e38098bf
children fd0a3ac60b0e
comparison
equal deleted inserted replaced
10729:172253d75d94 10730:390d93e20531
16 ## You should have received a copy of the GNU General Public License 16 ## You should have received a copy of the GNU General Public License
17 ## along with Octave; see the file COPYING. If not, see 17 ## along with Octave; see the file COPYING. If not, see
18 ## <http://www.gnu.org/licenses/>. 18 ## <http://www.gnu.org/licenses/>.
19 19
20 ## -*- texinfo -*- 20 ## -*- texinfo -*-
21 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) 21 ## @deftypefn {Function File} {} polar (@var{theta}, @var{rho})
22 ## @deftypefnx {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt})
23 ## @deftypefnx {Function File} {} polar (@var{h}, @dots{})
24 ## @deftypefnx {Function File} {@var{h} =} polar (@dots{})
22 ## Make a two-dimensional plot given the polar coordinates @var{theta} and 25 ## Make a two-dimensional plot given the polar coordinates @var{theta} and
23 ## @var{rho}. 26 ## @var{rho}.
24 ## 27 ##
25 ## The optional third argument specifies the line type. 28 ## The optional third argument specifies the line type.
26 ## @seealso{plot} 29 ## @seealso{plot}
29 ## Author: jwe 32 ## Author: jwe
30 33
31 function retval = polar (varargin) 34 function retval = polar (varargin)
32 35
33 [h, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:}); 36 [h, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:});
37
38 if (nargs < 1)
39 print_usage();
40 endif
34 41
35 oldh = gca (); 42 oldh = gca ();
36 unwind_protect 43 unwind_protect
37 axes (h); 44 axes (h);
38 newplot (); 45 newplot ();