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[u/mrichter/AliRoot.git] / HERWIG / AliHerwigRndm.h
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b1f4e1eb 1#ifndef ALIHERWIGRNDM_H
2#define ALIHERWIGRNDM_H
3/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * See cxx source for full Copyright notice */
5
6/* $Id$ */
7
55853c88 8//-----------------------------------------------------------------------------
9// Class: AliHerwigRndm
10// Responsibilities: Interface to Root random number generator
11// from Fortran (re-implements FINCTION RLU_HERWIG
12// from HERWIG)
13//-----------------------------------------------------------------------------
14
b1f4e1eb 15#include <Rtypes.h>
16#include <TError.h>
17
18class TRandom;
19
20class AliHerwigRndm {
21 public:
22 AliHerwigRndm() {
23 // Default constructor. The static data member is initialized
24 // in the implementation file
25 }
26 AliHerwigRndm(const AliHerwigRndm &/*rn*/) {
27 // Copy constructor: no copy allowed for the object
28 ::Fatal("Copy constructor","Not allowed\n");
29 }
30 virtual ~AliHerwigRndm() {
31 // Destructor
32 fgHerwigRandom=0;
33 }
34 AliHerwigRndm & operator=(const AliHerwigRndm& /*rn*/) {
35 // Assignment operator: no assignment allowed
36 ::Fatal("Assignment operator","Not allowed\n");
37 return (*this);
38 }
39
40 static void SetHerwigRandom(TRandom *ran=0);
41 static TRandom * GetHerwigRandom();
42
43private:
44
45 static TRandom * fgHerwigRandom; //! pointer to the random number generator
46
47 ClassDef(AliHerwigRndm,0) //Random Number generator wrapper (non persistent)
48};
49
50#endif
51