Mercurial > octave-nkf
diff scripts/general/logical.m @ 2823:7ffbb34efd2d
[project @ 1997-03-24 22:50:14 by jwe]
author | jwe |
---|---|
date | Mon, 24 Mar 1997 22:50:24 +0000 |
parents | |
children | 8b262e771614 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/scripts/general/logical.m Mon Mar 24 22:50:24 1997 +0000 @@ -0,0 +1,40 @@ +## Copyright (C) 1996 John W. Eaton +## +## 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 2, 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, write to the Free +## Software Foundation, 59 Temple Place - Suite 330, Boston, MA +## 02111-1307, USA. + +## usage: logical (arg) +## +## Convert ARG to a logical value. For example, +## +## logical ([-1, 0, 1]) +## +## is equivalent to +## +## [-1, 0, 1] != 0 + +## Author: jwe + +function y = logical (x) + + if (nargin == 1) + y = x != 0; + else + usage ("logical (x)"); + endif + +endfunction