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 "RndmEngine.h"
#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>
 
StreamBuffer& RndmEngine::serialize( StreamBuffer& str ) { return str; }
 
StreamBuffer& RndmEngine::serialize( StreamBuffer& str ) const { return str; }
 
double RndmEngine::rndm() const { return DBL_MAX; }
 
StatusCode RndmEngine::rndmArray( std::vector<double>& array, long howmany, long start ) const {
  array.resize( start + howmany );
  std::generate_n( std::next( array.begin(), start ), howmany, [&]() { return this->rndm(); } );
  return StatusCode::SUCCESS;
}