changeset 633:e91300883c6e

graythresh: bugfix when checking if input is histogram
author carandraug
date Sun, 30 Sep 2012 16:56:32 +0000
parents d874709a9a27
children 7ac49409be86
files inst/graythresh.m
diffstat 1 files changed, 2 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/inst/graythresh.m
+++ b/inst/graythresh.m
@@ -159,9 +159,9 @@
       img = rgb2gray (img);
     elseif (isgray (img))
       ## do nothing
-    elseif (isvector (img) && !issparse (img) && isreal (img) && any (img < 0))
+    elseif (isvector (img) && !issparse (img) && isreal (img) && all (img >= 0))
       hist_in = true;
-      ihist  = img;
+      ihist   = img;
     else
       error ("graythresh: input must be an image or an histogram.");
     endif