# HG changeset patch
# User Nicholas R. Jankowski <jankowski.nicholas@gmail.com>
# Date 1681914989 14400
# Node ID 29671873411ace79b1514427abdff9e01150a384
# Parent  619e2314ebbae34a4b3c6b39ed619a855fa27e27
__quiver__.m: Honor scaling factor input for single quiver arrow (bug #39552)

* scripts/plot/draw/private/__quiver__.m: Change scaling factor check to
include cases where there is only one quiver arrow.
* etc/NEWS.9.md: Note quiver change under General Improvements.

diff -r 619e2314ebba -r 29671873411a etc/NEWS.9.md
--- a/etc/NEWS.9.md	Tue Apr 18 19:56:31 2023 -0700
+++ b/etc/NEWS.9.md	Wed Apr 19 10:36:29 2023 -0400
@@ -19,6 +19,9 @@
 the number of decimal places (the fourth input) retains old behavior for
 backward compatibility, except that non-integer inputs will no longer error.
 
+- `quiver` now honors the scaling factor input when there is only a single
+arrow, whereas the factor was previously ignored in that case.
+
 ### Graphical User Interface
 
 ### Graphics backend
diff -r 619e2314ebba -r 29671873411a scripts/plot/draw/private/__quiver__.m
--- a/scripts/plot/draw/private/__quiver__.m	Tue Apr 18 19:56:31 2023 -0700
+++ b/scripts/plot/draw/private/__quiver__.m	Wed Apr 19 10:36:29 2023 -0400
@@ -149,7 +149,7 @@
   else
     len = max (sqrt (u(:).^2 + v(:).^2));
   endif
-  if (len > 0 && autoscale && numel (u) > 1)
+  if (len > 0 && autoscale && numel (u) >= 1)
     if (isvector (x))
       nx = ny = sqrt (length (x));
     else