## Copyright (C) 2007 R.G.H. Eschauzier <reschauzier@yahoo.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/>.

## Adapted by Carnë Draug on 2011 <carandraug+dev@gmail.com>

## This function is necessary for impinvar and invimpinvar of the signal package

## Round complex number to nearest real number
function p_out = to_real(p_in)
  p_out = abs(p_in) .* sign(real(p_in));
endfunction
