crng.h

//==========================================================================
//   CRNG.H  - part of
//                     OMNeT++/OMNEST
//            Discrete System Simulation in C++
//
//==========================================================================
 
/*--------------------------------------------------------------*
  Copyright (C) 1992-2017 Andras Varga
  Copyright (C) 2006-2017 OpenSim Ltd.
 
  This file is distributed WITHOUT ANY WARRANTY. See the file
  `license' for details on this and other legal matters.
*--------------------------------------------------------------*/
 
#ifndef __OMNETPP_CRNG_H
#define __OMNETPP_CRNG_H
 
#include "simkerneldefs.h"
#include "cobject.h"
 
namespace omnetpp {
 
class cConfiguration;
 
 
class SIM_API cRNG : public cObject
{
  protected:
    uint64_t numDrawn = 0;
 
  public:
    cRNG() {}
    virtual ~cRNG() {}
 
    virtual void initialize(int seedSet, int rngId, int numRngs,
                            int parsimProcId, int parsimNumPartitions,
                            cConfiguration *cfg) = 0;
 
    virtual void selfTest() = 0;
 
    virtual uint64_t getNumbersDrawn() const  {return numDrawn;}
 
    virtual uint32_t intRand() = 0;
 
    virtual uint32_t intRandMax() = 0;
 
    virtual uint32_t intRand(uint32_t n) = 0;
 
    virtual double doubleRand() = 0;
 
    virtual double doubleRandNonz() = 0;
 
    virtual double doubleRandIncl1() = 0;
 
    double doubleRandNonzIncl1() {return 1-doubleRand();}
};
 
}  // namespace omnetpp
 
 
#endif