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changeset 841:d197c65d85c6

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private/isimage.m: add check that an image must be a numeric or logical matrix.
author Carnë Draug <carandraug@octave.org>
date Wed, 13 Nov 2013 04:29:46 +0000
parents 6b438c5acfbb
children 006ab95a7e07
files inst/private/isimage.m
diffstat 1 files changed, 2 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/inst/private/isimage.m
+++ b/inst/private/isimage.m
@@ -17,5 +17,6 @@
 ## It simply checks if the input really is an image.
 
 function retval = isimage (img)
-  retval = (ismatrix (img) && !issparse (img) && !isempty (img) && isreal (img));
+  retval = (ismatrix (img) && ! issparse (img) && ! isempty (img) &&
+            isreal (img) && (isnumeric (img) || islogical (img)));
 endfunction