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Demodulator.cpp

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/*******************************************************************************
 * This file is part of openWNS (open Wireless Network Simulator)
 * _____________________________________________________________________________
 *
 * Copyright (C) 2004-2007
 * Chair of Communication Networks (ComNets)
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 * www: http://www.openwns.org
 * _____________________________________________________________________________
 *
 * openWNS is free software; you can redistribute it and/or modify it under the
 * terms of the GNU Lesser General Public License version 2 as published by the
 * Free Software Foundation;
 *
 * openWNS 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 Lesser General Public License for more
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#include <RISE/demodulator/Demodulator.hpp>

#include <WNS/Assure.hpp>

#include <stdexcept>

using namespace std;
using namespace rise;

Demodulator::Demodulator()
{}

Demodulator::~Demodulator()
{}

double Demodulator::Q(double x)
{
    assure(x > 0, "Argument of Q function has to be positive!");
    return 0.5*erfc(x/sqrt(2.0));
}

// double Demodulator::Q(double a, double b) {
// we need an algorithm here
// }

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