EvtMTRandomEngine.cpp

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#include "EvtGenBase/EvtMTRandomEngine.hh"
 
#include "EvtGenBase/EvtReport.hh"
 
#include <iostream>
 
EvtMTRandomEngine::EvtMTRandomEngine( unsigned long int seed ) :
    m_engine{ seed }, m_distribution{ 0.0, 1.0 }, m_lastSeed{ seed }
{
    EvtGenReport( EVTGEN_INFO, "EvtMTRandomEngine" )
        << "Mersenne-Twister random number generator with seed = " << seed
        << std::endl;
}
 
double EvtMTRandomEngine::random()
{
    return m_distribution( m_engine );
}
 
void EvtMTRandomEngine::setSeed( unsigned long int seed )
{
    m_engine.seed( seed );
    m_lastSeed = seed;
}