engineIDulong.h

Go to the documentation of this file.

// $Id 
// -*- C++ -*-
//
// -----------------------------------------------------------------------
//                             HEP Random
//                       --- engineIDulong ---
//                          function header file
// -----------------------------------------------------------------------
 
// Class generating new engines from streamed saves.
 
// =======================================================================
// M Fischler     - Created:  Mar. 8, 2005
// =======================================================================
 
#ifndef engineIDulong_h
#define engineIDulong_h 1
 
#include <string>
 
namespace CLHEP {
 
unsigned long crc32ul(const std::string & s);
 
template <class E> 
unsigned long engineIDulong() {
  static const unsigned long id = crc32ul(E::engineName());
  return id;
}
 
}  // namespace CLHEP
 
#ifdef ENABLE_BACKWARDS_COMPATIBILITY
//  backwards compatibility will be enabled ONLY in CLHEP 1.9
using namespace CLHEP;
#endif
 
 
#endif