Mercurial > octave-nkf
view scripts/miscellaneous/xor.m @ 19631:db92e7e28e1f
strip trailing whitespace from most source files
* NEWS, doc/interpreter/contributors.in, doc/interpreter/func.txi,
doc/interpreter/genpropdoc.m, doc/interpreter/octave_logo.eps,
doc/interpreter/plot.txi, doc/interpreter/stmt.txi,
examples/data/Makefile.am, libinterp/corefcn/data.cc,
libinterp/corefcn/debug.cc, libinterp/corefcn/error.cc,
libinterp/corefcn/file-io.cc, libinterp/corefcn/gl-render.cc,
libinterp/corefcn/graphics.cc, libinterp/corefcn/graphics.in.h,
libinterp/corefcn/load-path.cc, libinterp/corefcn/pr-output.cc,
libinterp/corefcn/pt-jit.cc, libinterp/corefcn/strfind.cc,
libinterp/corefcn/toplev.cc, libinterp/corefcn/toplev.h,
libinterp/corefcn/urlwrite.cc, libinterp/corefcn/variables.cc,
libinterp/octave-value/ov-classdef.cc,
libinterp/octave-value/ov-classdef.h, libinterp/octave.cc,
libinterp/parse-tree/lex.h, libinterp/parse-tree/oct-parse.in.yy,
libinterp/parse-tree/pt-classdef.h, liboctave/system/file-ops.cc,
liboctave/system/oct-env.cc, m4/acinclude.m4,
scripts/deprecated/finite.m, scripts/deprecated/fmod.m,
scripts/deprecated/fnmatch.m, scripts/deprecated/luinc.m,
scripts/deprecated/octave_tmp_file_name.m, scripts/deprecated/syl.m,
scripts/deprecated/usage.m, scripts/general/inputParser.m,
scripts/general/interp1.m, scripts/general/interp2.m,
scripts/general/interp3.m, scripts/general/isequal.m,
scripts/general/private/__isequal__.m, scripts/geometry/voronoi.m,
scripts/image/image.m, scripts/image/imshow.m,
scripts/image/ind2rgb.m, scripts/linear-algebra/bandwidth.m,
scripts/linear-algebra/isbanded.m, scripts/miscellaneous/bzip2.m,
scripts/miscellaneous/cast.m, scripts/miscellaneous/copyfile.m,
scripts/miscellaneous/delete.m, scripts/miscellaneous/fullfile.m,
scripts/miscellaneous/getappdata.m, scripts/miscellaneous/gunzip.m,
scripts/miscellaneous/isappdata.m, scripts/miscellaneous/ls.m,
scripts/miscellaneous/mex.m, scripts/miscellaneous/movefile.m,
scripts/miscellaneous/orderfields.m, scripts/miscellaneous/recycle.m,
scripts/miscellaneous/rmappdata.m, scripts/miscellaneous/setfield.m,
scripts/miscellaneous/symvar.m, scripts/miscellaneous/tar.m,
scripts/miscellaneous/tmpnam.m, scripts/miscellaneous/unpack.m,
scripts/miscellaneous/ver.m, scripts/miscellaneous/what.m,
scripts/miscellaneous/xor.m, scripts/miscellaneous/zip.m,
scripts/optimization/fminbnd.m, scripts/optimization/sqp.m,
scripts/path/private/getsavepath.m, scripts/path/savepath.m,
scripts/pkg/pkg.m, scripts/pkg/private/installed_packages.m,
scripts/plot/draw/plotyy.m, scripts/plot/draw/polar.m,
scripts/plot/draw/private/__quiver__.m,
scripts/plot/draw/private/__scatter__.m,
scripts/plot/draw/private/__stem__.m, scripts/plot/draw/surface.m,
scripts/plot/draw/surfnorm.m, scripts/plot/util/copyobj.m,
scripts/plot/util/hgload.m, scripts/plot/util/hgsave.m,
scripts/plot/util/isprop.m, scripts/plot/util/linkprop.m,
scripts/plot/util/private/__go_draw_axes__.m, scripts/set/setdiff.m,
scripts/set/union.m, scripts/signal/periodogram.m,
scripts/sparse/eigs.m, scripts/sparse/ilu.m, scripts/sparse/qmr.m,
scripts/sparse/sprand.m, scripts/sparse/sprandn.m,
scripts/specfun/beta.m, scripts/specfun/ellipke.m,
scripts/specfun/isprime.m, scripts/statistics/base/lscov.m,
scripts/testfun/__run_test_suite__.m, scripts/testfun/test.m:
Strip trailing whitespace.
author | John W. Eaton <jwe@octave.org> |
---|---|
date | Tue, 20 Jan 2015 10:29:54 -0500 |
parents | 8661727db27a |
children | 4197fc428c7d |
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## Copyright (C) 1995-2013 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 {Function File} {@var{z} =} xor (@var{x}, @var{y}) ## @deftypefnx {Function File} {@var{z} =} xor (@var{x1}, @var{x2}, @dots{}) ## Return the @dfn{exclusive or} 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 one of @var{x} or ## @var{y} is true. Otherwise, if @var{x} and @var{y} are both true or both ## false, @code{xor} returns false. ## ## The truth table for the xor operation is ## ## @multitable @columnfractions 0.44 .03 .05 .03 0.44 ## @item @tab @var{x} @tab @var{y} @tab @var{z} @tab ## @item @tab - @tab - @tab - @tab ## @item @tab 0 @tab 0 @tab 0 @tab ## @item @tab 1 @tab 0 @tab 1 @tab ## @item @tab 0 @tab 1 @tab 1 @tab ## @item @tab 1 @tab 1 @tab 0 @tab ## @end multitable ## ## If more than two arguments are given the xor operation is applied ## cumulatively from left to right: ## ## @example ## (@dots{}((x1 XOR x2) XOR x3) XOR @dots{}) ## @end example ## ## @seealso{and, or, not} ## @end deftypefn ## Author: KH <Kurt.Hornik@wu-wien.ac.at> ## Created: 16 September 1994 ## Adapted-By: jwe function z = xor (x, y, varargin) if (nargin < 2) print_usage (); endif z = __xor__ (x, y); ## Slow expansion to multiple arguments. ## Probably okay number of elements ## will be small. if (! isempty (varargin)) for i = 1:numel (varargin) z = __xor__ (z, varargin{i}); endfor endif endfunction function z = __xor__ (x, y) if (isscalar (x) || isscalar (y) || size_equal (x, y)) ## Typecast to logicals is necessary for other numeric types. z = logical (x) != logical (y); else try z = bsxfun (@xor, x, y); catch error ("xor: X and Y must be of compatible size or scalars"); end_try_catch endif endfunction %!assert (xor ([1, 1, 0, 0], [0, 1, 0, 1]), logical ([1, 0, 0, 1])) %!assert (xor ([i, i, 0, 0], [1, 0, 1, 0]), logical ([0, 1, 1, 0])) %!assert (xor (eye (2), fliplr (eye (2))), logical (ones (2))) %!assert (xor (speye (2), fliplr (speye (2))), sparse (logical (ones (2)))) ## Test XOR reduction %!assert (xor ([1 0], [1 1], [0 0]), logical ([0 1])) %% Test input validation %!error xor () %!error xor (1) %!error <X and Y must be of compatible size> xor (ones (3,2), ones (2,3))