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changeset 18842:30d8501a857a

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setdiff.m: Orient output (row/column) the same as Matlab (bug #42577). * setdiff.m: Only output a column vector if both inputs are column vectors or the second argument is a scalar.
author Rik <rik@octave.org>
date Wed, 18 Jun 2014 13:03:27 -0700
parents 5eca3080c7cd
children 3d33fe79816c
files scripts/set/setdiff.m
diffstat 1 files changed, 15 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/scripts/set/setdiff.m
+++ b/scripts/set/setdiff.m
@@ -81,8 +81,8 @@
       if (nargout > 1)
         i(idx(dups)) = [];
       endif
-      ## Reshape if necessary.
-      if (rows (c) != 1 && rows (b) == 1)
+      ## Reshape if necessary for Matlab compatibility.
+      if (iscolumn (c) && ! iscolumn (b))
         c = c.';
       endif
     endif
@@ -105,3 +105,16 @@
 %! assert (y, [5]);
 %! assert (y, a(i));
 
+%% Test output orientation compatibility (bug #42577)
+%!assert (setdiff ([1:5], 2), [1,3,4,5])
+%!assert (setdiff ([1:5]', 2), [1;3;4;5])
+%!assert (setdiff ([1:5], [2:3]), [1,4,5])
+%!assert (setdiff ([1:5], [2:3]'), [1,4,5])
+%!assert (setdiff ([1:5]', [2:3]), [1,4,5])
+%!assert (setdiff ([1:5]', [2:3]'), [1;4;5])
+
+%% Test input validation
+%!error setdiff ()
+%!error setdiff (1)
+%!error setdiff (1,2,3,4)
+