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pow2.m
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Text File
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1998-11-10
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1KB
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37 lines
## 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: y = pow2 (f [, e])
##
## y = pow2 (x) returns 2 .^ x.
## y = pow2 (f, e) returns f .* (2 .^ e).
## Author: AW <Andreas.Weingessel@ci.tuwien.ac.at>
## Created: 17 October 1994
## Adapted-By: jwe
function y = pow2 (f, e)
if (nargin == 1)
y = 2 .^ f;
elseif (nargin == 2)
y = f .* (2 .^ e);
else
usage ("y = pow2 (f [, e])");
endif
endfunction