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+++ b/scripts/specfun/pow2.m
@@ -0,0 +1,36 @@
+## 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