1 // $Id
2 // -*- C++ -*-
3 //
4 // -----------------------------------------------------------------------
5 //                             HEP Random
6 //                       --- engineIDulong ---
7 //                          function header file
8 // -----------------------------------------------------------------------
9 
10 // Class generating new engines from streamed saves.
11 
12 // =======================================================================
13 // M Fischler     - Created:  Mar. 8, 2005
14 // =======================================================================
15 
16 #ifndef engineIDulong_h
17 #define engineIDulong_h 1
18 
19 namespace CLHEP {
20 
21 unsigned long crc32ul(const std::string & s);
22 
23 template <class E>
engineIDulong()24 unsigned long engineIDulong() {
25   static const unsigned long id = crc32ul(E::engineName());
26   return id;
27 }
28 
29 }  // namespace CLHEP
30 
31 #ifdef ENABLE_BACKWARDS_COMPATIBILITY
32 //  backwards compatibility will be enabled ONLY in CLHEP 1.9
33 using namespace CLHEP;
34 #endif
35 
36 
37 #endif
38 
39