1 ## Copyright (C) 2007 R.G.H. Eschauzier <reschauzier@yahoo.com>
3 ## This program is free software; you can redistribute it and/or modify it under
4 ## the terms of the GNU General Public License as published by the Free Software
5 ## Foundation; either version 3 of the License, or (at your option) any later
8 ## This program is distributed in the hope that it will be useful, but WITHOUT
9 ## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 ## FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
13 ## You should have received a copy of the GNU General Public License along with
14 ## this program; if not, see <http://www.gnu.org/licenses/>.
16 ## Adapted by Carnë Draug on 2011 <carandraug+dev@gmail.com>
18 ## This function is necessary for impinvar and invimpinvar of the signal package
20 ## Round complex number to nearest real number
21 function p_out = to_real(p_in)
22 p_out = abs(p_in) .* sign(real(p_in));