# HG changeset patch
# User Rik <rik@octave.org>
# Date 1427693816 25200
# Node ID 185e8dbdaa40435b8eb76a78841420bbad85a8aa
# Parent  8395925230529af8998a53482cc79e0cfba8a582
Allow logical arguments to stem() function (bug #44659).

* __stem__.m: Use isnumeric and islogical to validate inputs to stem function.

diff --git a/scripts/plot/draw/private/__stem__.m b/scripts/plot/draw/private/__stem__.m
--- a/scripts/plot/draw/private/__stem__.m
+++ b/scripts/plot/draw/private/__stem__.m
@@ -239,7 +239,9 @@
         y = repmat ([1:nr]', 1, nc);
       endif
     endif
-    if (! (isnumeric (x) && isnumeric (y) && isnumeric (z)))
+    if (! (isnumeric (x) || islogical (x))
+        || ! (isnumeric (y) || islogical (y))
+        || ! (isnumeric (z) || islogical (z)))
       error ("stem3: X, Y, and Z must be numeric");
     endif
   else
@@ -250,7 +252,8 @@
         x = 1:rows (y);
       endif
     endif
-    if (! (isnumeric (x) && isnumeric (y)))
+    if (! (isnumeric (x) || islogical (x))
+        || ! (isnumeric (y) || islogical (y)))
       error ("stem: X and Y must be numeric");
     endif
   endif