# HG changeset patch
# User Rik <rik@octave.org>
# Date 1374732766 25200
# Node ID 33444116aa7754c41e976d888ce38aa0a6d7be82
# Parent  6dec8dbf8a970f96aa0e46c049062301bd7dcbe8
semilogy.m: Overhaul function to use new __plt_get_axis_arg__.

* scripts/plot/semilogy.m: Use hax instead of h.  Save figure instead of axes.
Check ishold status before setting yminortick.

diff -r 6dec8dbf8a97 -r 33444116aa77 scripts/plot/semilogy.m
--- a/scripts/plot/semilogy.m	Wed Jul 24 23:12:46 2013 -0700
+++ b/scripts/plot/semilogy.m	Wed Jul 24 23:12:46 2013 -0700
@@ -33,32 +33,33 @@
 
 ## Author: jwe
 
-function retval = semilogy (varargin)
+function h = semilogy (varargin)
 
-  [h, varargin, nargs] = __plt_get_axis_arg__ ("semilogy", varargin{:});
+  [hax, varargin, nargs] = __plt_get_axis_arg__ ("semilogy", varargin{:});
 
   if (nargs < 1)
     print_usage ();
   endif
 
-  oldh = gca ();
+  oldfig = ifelse (isempty (hax), [], get (0, "currentfigure"));
   unwind_protect
-    axes (h);
-    newplot ();
+    hax = newplot (hax);
 
-    set (h, "yscale", "log");
-    if (any (strcmp (get (gca, "nextplot"), {"new", "replace"})))
-      set (h, "yminortick", "on");
+    set (hax, "yscale", "log");
+    if (! ishold (hax))
+      set (hax, "yminortick", "on");
     endif
 
-    tmp = __plt__ ("semilogy", h, varargin{:});
+    htmp = __plt__ ("semilogy", hax, varargin{:});
 
     if (nargout > 0)
-      retval = tmp;
+      h = htmp;
     endif
 
   unwind_protect_cleanup
-    axes (oldh);
+    if (! isempty (oldfig))
+      set (0, "currentfigure", oldfig);
+    endif
   end_unwind_protect
 
 endfunction