# HG changeset patch
# User Rik <rik@octave.org>
# Date 1435333065 25200
# Node ID 494a5ed628b5baad2fbac27a5084d2444d77d3d1
# Parent  cdb382f1de79f096e795493cab41b9fb6a59197b
Fix segfault when zooming in on logscale axes (bug #45412).

* graphics.cc (axes::properties::calc_ticks_and_lims): When adjusting ticks to
to fit within existing manual limits, make sure that upper tick remains greater
than or equal to lower tick.

diff -r cdb382f1de79 -r 494a5ed628b5 libinterp/corefcn/graphics.cc
--- a/libinterp/corefcn/graphics.cc	Thu Jun 25 21:47:06 2015 -0700
+++ b/libinterp/corefcn/graphics.cc	Fri Jun 26 08:37:45 2015 -0700
@@ -7114,7 +7114,7 @@
 
   if (limmode_is_auto)
     {
-      // Adjust limits to include min and max tics
+      // Adjust limits to include min and max ticks
       Matrix tmp_lims (1,2);
       tmp_lims(0) = std::min (tick_sep * i1, lo);
       tmp_lims(1) = std::max (tick_sep * i2, hi);
@@ -7136,10 +7136,10 @@
     }
   else
     {
-      // adjust min and max tics to be within limits
+      // adjust min and max ticks to be within limits
       if (i1*tick_sep < lo)
         i1++;
-      if (i2*tick_sep > hi)
+      if (i2*tick_sep > hi && i2 > i1)
         i2--;
     }