--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main/signal/boxcar.m	Wed Oct 10 19:54:49 2001 +0000
@@ -0,0 +1,33 @@
+## Copyright (C) 2000 Paul Kienzle
+##
+## 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
+
+## usage:  w = boxcar (n)
+##
+## Returns the filter coefficients of a rectangular window of length n.
+
+function w = boxcar (n)
+  
+  if (nargin != 1)
+    usage ("w = boxcar(n)");
+  endif
+  
+  if !is_scalar(n) || n != floor(n) || n <= 0
+    error ("boxcar:  n must be an integer > 0");
+  endif
+
+  w = ones(n, 1);
+  
+endfunction