Add a useful package (from Source forge) for octave

[CreaPhase.git] / octave_packages / signal-1.1.3 / rectwin.m

diff --git a/octave_packages/signal-1.1.3/rectwin.m b/octave_packages/signal-1.1.3/rectwin.m
new file mode 100644 (file)
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+++ b/octave_packages/signal-1.1.3/rectwin.m
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+## Copyright (C) 2007 Sylvain Pelissier <sylvain.pelissier@gmail.com>
+##
+## 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 3 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, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} {[@var{w}] =} rectwin(@var{L})
+## Return the filter coefficients of a rectangle window of length L.
+## @seealso{hamming, hanning}
+## @end deftypefn
+
+function w = rectwin(L)
+  if (nargin < 1); print_usage; end
+  w = ones(round(L),1);
+endfunction