include/EvtGenBase/EvtMTRandomEngine.hh

0001
0002 /***********************************************************************
0003 * Copyright 1998-2020 CERN for the benefit of the EvtGen authors       *
0004 *                                                                      *
0005 * This file is part of EvtGen.                                         *
0006 *                                                                      *
0007 * EvtGen is free software: you can redistribute it and/or modify       *
0008 * it under the terms of the GNU General Public License as published by *
0009 * the Free Software Foundation, either version 3 of the License, or    *
0010 * (at your option) any later version.                                  *
0011 *                                                                      *
0012 * EvtGen is distributed in the hope that it will be useful,            *
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0014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
0015 * GNU General Public License for more details.                         *
0016 *                                                                      *
0017 * You should have received a copy of the GNU General Public License    *
0018 * along with EvtGen.  If not, see <https://www.gnu.org/licenses/>.     *
0019 ***********************************************************************/
0020
0021 #ifndef EVTMTRANDOMENGINE_HH
0022 #define EVTMTRANDOMENGINE_HH
0023
0024 #include "EvtGenBase/EvtRandomEngine.hh"
0025
0026 #include <random>
0027
0028 class EvtMTRandomEngine : public EvtRandomEngine {
0029   public:
0030     EvtMTRandomEngine( unsigned int seed = 1430957218 );
0031
0032     virtual double random();
0033
0034   private:
0035     std::mt19937 engine_;
0036
0037     typedef std::uniform_real_distribution<double> URDist;
0038     URDist distribution_;
0039 };
0040
0041 #endif