Mercurial > octave-nkf
view scripts/miscellaneous/xor.m @ 7016:93c65f2a5668
[project @ 2007-10-12 06:40:56 by jwe]
author | jwe |
---|---|
date | Fri, 12 Oct 2007 06:41:26 +0000 |
parents | 045038e0108a |
children | a1dbe9d80eee |
line wrap: on
line source
## Copyright (C) 1995, 1996 Kurt Hornik ## ## 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 {Mapping Function} {} xor (@var{x}, @var{y}) ## Return the `exclusive or' of the entries of @var{x} and @var{y}. ## For boolean expressions @var{x} and @var{y}, ## @code{xor (@var{x}, @var{y})} is true if and only if @var{x} or @var{y} ## is true, but not if both @var{x} and @var{y} are true. ## @end deftypefn ## Author: KH <Kurt.Hornik@wu-wien.ac.at> ## Created: 16 September 1994 ## Adapted-By: jwe function z = xor (x, y) if (nargin == 2) if (isscalar (x) || isscalar (y) || size_equal (x, y)) z = logical ((x | y) - (x & y)); else error ("xor: x and y must be of common size or scalars"); endif else print_usage (); endif endfunction