update packages

[CreaPhase.git] / octave_packages / m / plot / private / __axes_limits__.m

diff --git a/octave_packages/m/plot/private/__axes_limits__.m b/octave_packages/m/plot/private/__axes_limits__.m
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+++ b/octave_packages/m/plot/private/__axes_limits__.m
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+## Copyright (C) 2007-2012 David Bateman
+##
+## This file is part of Octave.
+##
+## Octave is free software; you can redistribute it and/or modify it
+## under the terms of the GNU General Public License as published by
+## the Free Software Foundation; either version 3 of the License, or (at
+## your option) any later version.
+##
+## Octave is distributed in the hope that it will be useful, but
+## WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+## General Public License for more details.
+##
+## You should have received a copy of the GNU General Public License
+## along with Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {} __axes_limits__ (@var{fcn}, @dots{})
+## Undocumented internal function.
+## @end deftypefn
+
+function retval = __axes_limits__ (fcn, varargin)
+
+  retval = [];
+
+  fcnmode = sprintf ("%smode", fcn);
+
+  [h, varargin, nargin] = __plt_get_axis_arg__ (fcn, varargin{:});
+
+  if (nargin == 0)
+    retval = get (h, fcn);
+  else
+    arg = varargin{1};
+
+    if (ischar (arg))
+      if (strcmpi (arg, "mode"))
+        retval = get (h, fcnmode);
+      elseif (strcmpi (arg, "auto") ||  strcmpi (arg, "manual"))
+        set (h, fcnmode, arg);
+      endif
+    else
+      if (!isnumeric (arg) && any (size(arg(:)) != [2, 1]))
+        error ("%s: argument must be a 2 element vector", fcn);
+      else
+        if (arg(1) >= arg(2))
+          error ("%s: axis limits must be increasing", fcn);
+        else
+          set (h, fcn, arg(:));
+        endif
+      endif
+    endif
+  endif
+
+endfunction