--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/scripts/strings/dec2bin.m	Fri May 24 00:53:19 1996 +0000
@@ -0,0 +1,62 @@
+# 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.
+
+function y = dec2bin (x)
+
+# usage:  dec2bin (x)
+#
+# Returns the binary number corresponding to the nonnegative integer
+# x.  For example, dec2bin (14) returns "1110".
+
+# Original version by Kurt Hornik <Kurt.Hornik@ci.tuwien.ac.at>.
+  
+  if (nargin != 1)
+    usage ("dec2bin (x)");
+  endif
+
+  [nr, nc] = size (x);
+
+  len = nr * nc;
+
+  x = reshape (x, 1, len);
+
+  eleo = empty_list_elements_ok;
+  unwind_protect
+    empty_list_elements_ok = 1;
+    y = [];
+    for i = 1:len
+      tmp = x (i);
+      if (tmp == round (tmp) && tmp >= 0)
+	while (tmp >= 2)
+	  z = fix (tmp ./ 2);
+	  y = [y, tmp - 2 * z];
+	  tmp = z;
+	endwhile
+	y = [y, tmp];
+      else
+	error ("dec2hex: invalid conversion");
+      endif
+    endfor
+    y = fliplr (y);
+    y = setstr (y + toascii ("0"));
+  unwind_protect_cleanup
+    empty_list_elements_ok = eleo;
+  end_unwind_protect
+
+endfunction
+