mdtools/headers/randomSPRNG.hpp

#idndef __randomSPRNG_H
#define __randomSPRNG_H

/* Define the random number generator used by SPRNG
   to be type 3 = Combined Multiple Recursive Generator.
*/
#define GTYPE 3
#ifdef IS_MPI
#define USE_MPI
#endif

class randomSPRNG{
public:
  randomSPRNG(int myseed);
  ~randomSPRNG();

  double getRandom();
private:
  int *thisStream;
  int myStreamNumber;
  int nSPRNGStreams;
  static int nStreamsInitialized;

}


class gaussianSPRNG : public randomSPRNG{
public:
  gaussianSPRNG();
  ~gaussianSPRNG();

  double getGaussian();
private:
  using randomSPRNG::getRandom;
  double getRandom() { getRandom(); }
}


#endif
Revision:	221
Committed:	Thu Jan 2 20:14:08 2003 UTC (22 years, 10 months ago) by chuckv
File size:	625 byte(s)
Log Message:	Thermo now can use SPRNG or rand48 (if not MPI). Finished up work on randomSPRNG. Still need to fix access to MPISimulation.
#	Content
1	#idndef __randomSPRNG_H
2	#define __randomSPRNG_H
3
4	/* Define the random number generator used by SPRNG
5	to be type 3 = Combined Multiple Recursive Generator.
6	*/
7	#define GTYPE 3
8	#ifdef IS_MPI
9	#define USE_MPI
10	#endif
11
12	class randomSPRNG{
13	public:
14	randomSPRNG(int myseed);
15	~randomSPRNG();
16
17	double getRandom();
18	private:
19	int *thisStream;
20	int myStreamNumber;
21	int nSPRNGStreams;
22	static int nStreamsInitialized;
23
24	}
25
26
27	class gaussianSPRNG : public randomSPRNG{
28	public:
29	gaussianSPRNG();
30	~gaussianSPRNG();
31
32	double getGaussian();
33	private:
34	using randomSPRNG::getRandom;
35	double getRandom() { getRandom(); }
36	}
37
38
39
40	#endif