optionally return output argument

petercorke · Sep 22, 2012 · 8e9badb · 8e9badb
1 parent c2da350
commit 8e9badb
Showing 1 changed file with 8 additions and 1 deletion.
diff --git a/ithin.m b/ithin.m
@@ -7,6 +7,10 @@
 % of the skeletonization algorithm with a pause of DELAY seconds between 
 % each iteration.
 %
+% References::
+%  - Robotics, Vision & Control, Section 12.5.3,
+%    P. Corke, Springer 2011.
+%
 % See also HITORMISS, ITRIPLEPOINT, IENDPOINT.
 
 
@@ -27,7 +31,7 @@
 % You should have received a copy of the GNU Leser General Public License
 % along with MVTB.  If not, see <http://www.gnu.org/licenses/>.
 
-function o = ithin(im, delay)
+function out = ithin(im, delay)
 
     % create a binary image
     im = im > 0;
@@ -57,3 +61,6 @@
         o = im;
     end
     o = im;
+    if nargout > 0
+        out = o;
+    end