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 (21 years, 8 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.
#	User	Rev	Content
1	chuckv	218	#idndef __randomSPRNG_H
2			#define __randomSPRNG_H
3
4	chuckv	220	/* 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	chuckv	218
12	chuckv	221	class randomSPRNG{
13	chuckv	220	public:
14	chuckv	221	randomSPRNG(int myseed);
15			~randomSPRNG();
16	chuckv	220
17	chuckv	221	double getRandom();
18	chuckv	220	private:
19			int *thisStream;
20			int myStreamNumber;
21	chuckv	221	int nSPRNGStreams;
22			static int nStreamsInitialized;
23	chuckv	220
24			}
25
26
27	chuckv	221	class gaussianSPRNG : public randomSPRNG{
28	chuckv	218	public:
29			gaussianSPRNG();
30			~gaussianSPRNG();
31
32	chuckv	221	double getGaussian();
33	chuckv	220	private:
34	chuckv	221	using randomSPRNG::getRandom;
35			double getRandom() { getRandom(); }
36	chuckv	218	}
37
38
39
40			#endif