Mercurial > hg > octave-lyh
diff scripts/plot/polar.m @ 10730:390d93e20531
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 |
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--- a/scripts/plot/polar.m +++ b/scripts/plot/polar.m @@ -18,7 +18,10 @@ ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- -## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) +## @deftypefn {Function File} {} polar (@var{theta}, @var{rho}) +## @deftypefnx {Function File} {} polar (@var{theta}, @var{rho}, @var{fmt}) +## @deftypefnx {Function File} {} polar (@var{h}, @dots{}) +## @deftypefnx {Function File} {@var{h} =} polar (@dots{}) ## Make a two-dimensional plot given the polar coordinates @var{theta} and ## @var{rho}. ## @@ -32,6 +35,10 @@ [h, varargin, nargs] = __plt_get_axis_arg__ ("polar", varargin{:}); + if (nargs < 1) + print_usage(); + endif + oldh = gca (); unwind_protect axes (h);