1 ## Copyright (C) 2009, 2011 Lukas F. Reichlin
3 ## This file is part of LTI Syncope.
5 ## LTI Syncope is free software: you can redistribute it and/or modify
6 ## it under the terms of the GNU General Public License as published by
7 ## the Free Software Foundation, either version 3 of the License, or
8 ## (at your option) any later version.
10 ## LTI Syncope is distributed in the hope that it will be useful,
11 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 ## GNU General Public License for more details.
15 ## You should have received a copy of the GNU General Public License
16 ## along with LTI Syncope. If not, see <http://www.gnu.org/licenses/>.
19 ## Remove leading zeros from a polynomial, except for polynomials
20 ## which are of length 1. For internal use only.
22 ## Author: Lukas Reichlin <lukas.reichlin@gmail.com>
23 ## Created: September 2009
26 function p = __remove_leading_zeros__ (p)
28 idx = find (p.poly != 0);
33 p.poly = p.poly(idx(1) : end); # p.poly(idx) would remove all zeros