RndmEngine.cpp

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//====================================================================
//  Random Engine implementation
//--------------------------------------------------------------------
//
//  Package    : Gaudi/RndmGen ( The LHCb Offline System)
//  Author     : M.Frank
//  History    :
// +---------+----------------------------------------------+---------
// |    Date |                 Comment                      | Who
// +---------+----------------------------------------------+---------
// | 29/10/99| Initial version                              | MF
// +---------+----------------------------------------------+---------
//
//====================================================================
#define GAUDI_RANDOMGENSVC_RndmEngine_CPP

// STL include files
#include <cfloat>

// Framework include files
#include "GaudiKernel/DataObject.h"
#include "GaudiKernel/IDataProviderSvc.h"
#include "GaudiKernel/IIncidentSvc.h"
#include "GaudiKernel/IMessageSvc.h"
#include "GaudiKernel/IOpaqueAddress.h"
#include "GaudiKernel/ISvcLocator.h"
#include "GaudiKernel/MsgStream.h"
#include "RndmEngine.h"

RndmEngine::RndmEngine( const std::string& name, ISvcLocator* loc ) : base_class( name, loc ) {}

RndmEngine::~RndmEngine() {}

StatusCode RndmEngine::initialize()
{
  StatusCode status = Service::initialize();
  if ( status.isSuccess() ) {
    status = setProperties();
    if ( status.isSuccess() ) {
      m_pIncidentSvc = serviceLocator()->service( "IncidentSvc" );
      if ( !m_pIncidentSvc ) {
        status = StatusCode::FAILURE;
      }
    }
  }
  return status;
}

StatusCode RndmEngine::finalize()
{
  m_pIncidentSvc = 0; // release
  return Service::finalize();
}

StreamBuffer& RndmEngine::serialize( StreamBuffer& str ) { return str; }

StreamBuffer& RndmEngine::serialize( StreamBuffer& str ) const { return str; }

double RndmEngine::rndm() const { return DBL_MAX; }

void RndmEngine::handle( const Incident& /* inc */ ) {}

StatusCode RndmEngine::rndmArray( std::vector<double>& array, long howmany, long start ) const
{
  long cnt = start;
  array.resize( start + howmany );
  for ( long i = start, num = start + howmany; i < num; i++ ) {
    array[cnt++] = rndm();
  }
  return StatusCode::SUCCESS;
}