--- a
+++ b/bitget.m
@@ -0,0 +1,48 @@
+## Copyright (C) 2000  Kai Habel
+##
+## 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 of the License, 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 program; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {@var{X} =} bitget (@var{a},@var{n})
+## returns the status of bit(s) @var{n} of unsigned integers in @var{a}
+## the lowest significant bit is @var{n} = 1.
+##
+## @example
+## bitget(100,8:-1:1)
+## @result{} 0  1  1  0  0  1  0  0 
+## @end example
+## @seealso{bitand,bitor,bitxor,bitset,bitcmp,bitshift,bitmax}
+## @end deftypefn
+
+## Author:  Kai Habel <kai.habel@gmx.de>
+
+function X = bitget (A,n)
+  
+  if (nargin != 2)
+    usage ("bitget(A,n)");
+  endif
+
+  if (n < 1 || n > (log2(bitmax) + 1) )
+    msg = sprintf ("n must be in range [1,%d]",round(log2(bitmax)+1));
+    error (msg);
+  endif
+
+  if (!(is_matrix (A)) || is_complex (A))
+    error ("first argument must be a real value");
+  else
+	X = bitand (A, pow2 (n - 1)) != 0;
+  endif
+
+endfunction