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- ## Copyright (C) 1995, 1996 Kurt Hornik
- ##
- ## This program 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 2, or (at your option)
- ## any later version.
- ##
- ## This program 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 this file. If not, write to the Free Software Foundation,
- ## 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- ## usage: xor (x, y)
- ##
- ## Returns the "exclusive or" of the entries of x and y.
- ## For boolean expressions x and y, xor (x, y) is true iff either x
- ## or y is true.
-
- ## Author: KH <Kurt.Hornik@ci.tuwien.ac.at>
- ## Created: 16 September 1994
- ## Adapted-By: jwe
-
- function z = xor (x, y)
-
- if (nargin == 2)
- if (is_scalar (x) || is_scalar (y) || size (x) == size (y))
- z = (x | y) - (x & y);
- else
- error ("xor: x and y must be of common size or scalars");
- endif
- else
- usage ("xor (x, y)");
- endif
-
- endfunction
-