/home/maxime/Projets/Mixxx/1.10/mixxx/src/tonal/PCPSmother.hxx

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/*
 * Copyright (c) 2001-2006 MUSIC TECHNOLOGY GROUP (MTG)
 *                         UNIVERSITAT POMPEU FABRA
 *
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef PCPSmother_hxx
#define PCPSmother_hxx
#include <list>
#include <vector>
#include <cmath>
#include <sstream>

namespace Simac
{

class PCPSmother
{
public:
        typedef std::vector<double> PCP;
public:
        PCPSmother(double inertia)
                : _inertia(inertia)
        {
                _output.resize(12);
        }
        ~PCPSmother()
        {
        }
        void doIt(const PCP & pcp)
        {
                for (unsigned int i=0; i<pcp.size(); i++)
                {
                        _output[i]*=_inertia;
                        _output[i]+= (1-_inertia) * pcp[i];
                }
        }
        void inertia(double inertia)
        {
                _inertia = inertia;
        }
        const PCP & output() const
        {
                return _output;
        }
private:
        PCP _output;
        double _inertia;
};

} // namespace Simac

#endif// PCPSmother_hxx