EvtAmpIndex.hh

Go to the documentation of this file.

/***********************************************************************
* Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
*                                                                      *
* This file is part of EvtGen.                                         *
*                                                                      *
* EvtGen 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.                                  *
*                                                                      *
* EvtGen 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 EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
***********************************************************************/

#ifndef EVTAMPINDEX_HH
#define EVTAMPINDEX_HH

#include <vector>

class EvtAmpIndex {
    friend class EvtAmpSubIndex;

  public:
    EvtAmpIndex( std::vector<int> ind );
    virtual ~EvtAmpIndex() {}

    void reset();
    bool next();

    int index();

  private:
    std::vector<int> _ind;
    int _size;
    std::vector<int> _state;
    std::vector<int> _nstate;
};

#endif