Generator.h

/********************************************************************************

    Copyright 2013 Jan Kašpar

    This file is part of Elegent (http://elegent.hepforge.org/).

    Elegent 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.

    Elegent 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 Elegent.  If not, see <http://www.gnu.org/licenses/>.
 
********************************************************************************/

#ifndef _elegent_elegent_
#define _elegent_elegent_

#include <string>

class TGraph;

namespace HepMC {
    class GenEvent;
}

namespace Elegent
{

class Generator
{
    public:
        Generator(const std::string &_file, const std::string &_path, double _t_min, double _t_max, unsigned int _verbosity=1);
        ~Generator() {}

        unsigned int Init();

        static const int PID = 2212;
        static const int ElasticScattering = 91;
        static const int FinalState = 1;
        static const int NullState = 0;

    protected:
        std::string fileName;

        std::string modelPath;

        double t_min, t_max;
        
        unsigned int verbosity;

        double E_cms;

        double p_cms;

        TGraph *icdf;
    
    public:
        void GenerateBase(double rn1, double rn2, HepMC::GenEvent* gE);

        void Generate(HepMC::GenEvent* gE);
};

} // namespace

#endif