EvtGen 2.2.0
Monte Carlo generator of particle decays, in particular the weak decays of heavy flavour particles such as B mesons.
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EvtRandomEngine.hh
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1
2/***********************************************************************
3* Copyright 1998-2020 CERN for the benefit of the EvtGen authors *
4* *
5* This file is part of EvtGen. *
6* *
7* EvtGen is free software: you can redistribute it and/or modify *
8* it under the terms of the GNU General Public License as published by *
9* the Free Software Foundation, either version 3 of the License, or *
10* (at your option) any later version. *
11* *
12* EvtGen is distributed in the hope that it will be useful, *
13* but WITHOUT ANY WARRANTY; without even the implied warranty of *
14* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
15* GNU General Public License for more details. *
16* *
17* You should have received a copy of the GNU General Public License *
18* along with EvtGen. If not, see <https://www.gnu.org/licenses/>. *
19***********************************************************************/
20
21#ifndef EVTRANDOMENGINE_HH
22#define EVTRANDOMENGINE_HH
23
24// Description:Class to generate random numbers. Single member
25// function random is expected to return a random
26// number in the range ]0..1[.
27
29 public:
30 virtual ~EvtRandomEngine(){};
31
32 virtual double random() = 0;
33
34 virtual void setSeed( unsigned long int seed ) = 0;
35
36 virtual unsigned long int lastSeed() const = 0;
37
38 private:
39};
40
41#endif
virtual double random()=0
virtual ~EvtRandomEngine()
virtual void setSeed(unsigned long int seed)=0
virtual unsigned long int lastSeed() const =0