1 ## Copyright (C) 2008 Bill Denney
3 ## This software is free software; you can redistribute it and/or modify it
4 ## under the terms of the GNU General Public License as published by
5 ## the Free Software Foundation; either version 3 of the License, or (at
6 ## your option) any later version.
8 ## This software is distributed in the hope that it will be useful, but
9 ## WITHOUT ANY WARRANTY; without even the implied warranty of
10 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 ## General Public License for more details.
13 ## You should have received a copy of the GNU General Public License
14 ## along with this software; see the file COPYING. If not, see
15 ## <http://www.gnu.org/licenses/>.
18 ## @deftypefn {Function File} {@var{status} =} __functionstatus__ (@var{funname})
19 ## Return if a function is present in octave: -1 = not checked, 0 =
20 ## missing, 1 = present
23 function status = __functionstatus__ (funname)
27 elseif ~ iscellstr (funname)
31 status = zeros (size (funname));
32 for i = 1:numel (funname)
33 if any (! (isalpha (funname{i}) | isdigit (funname{i})))
36 elseif iskeyword (funname{i}) || which (funname{i})