Add a useful package (from Source forge) for octave

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

diff --git a/octave_packages/signal-1.1.3/window.m b/octave_packages/signal-1.1.3/window.m
new file mode 100644 (file)
index 0000000..443090c
--- /dev/null
+++ b/octave_packages/signal-1.1.3/window.m
@@ -0,0 +1,34 @@
+## Copyright (C) 2008  David Bateman
+##
+## 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} =} window (@var{f}, @var{n}, @var{opts})
+## Create a @var{n}-point windowing from the function @var{f}. The
+## function @var{f} can be for example @code{@@blackman}. Any additional
+## arguments @var{opt} are passed to the windowing function.
+## @end deftypefn 
+
+function wout = window (f, n, varargin)
+  if (nargin == 0)
+    error ("window: UI tool not supported");
+  elseif (nargin > 1)
+    w = feval (f, n, varargin{:});
+    if (nargout > 0)
+      wout = w;
+    endif
+  else
+    print_usage ();
+  endif
+endfunction