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randfmt.h@ 3612

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Last change on this file since 3612 was 3602, checked in by cmv, 16 years ago
RandomGeneratorInterface + dSFMT etc..., cmv 28/04/2009
File size: 1.3 KB

Rev	Line
[3602]	1	#ifndef FMTRANDGEN_H_SEEN
	2	#define FMTRANDGEN_H_SEEN
	3
	4	// Classes FMTRandGen
	5	// Generateur aleatoire utilisant le code dSFMT
	6	//
	7	// R. Ansari (C) UPS+LAL IN2P3/CNRS 2009
	8	// C. Magneville (C) DAPNIA/SPP CEA 2009
	9
	10
	11	#include "machdefs.h"
	12	#include "objfio.h"
	13
	14	#include "dsfmtflags.h"
	15	#include "dSFMT.h"
	16	#include "randinterf.h"
	17
	18	#include <vector>
	19
	20	namespace SOPHYA {
	21
	22	//! Pseudorandom number generator class using dSFMT code
	23	class FMTRandGen : public RandomGeneratorInterface {
	24
	25	public:
	26	FMTRandGen(uint_4 seed=12345);
	27	virtual ~FMTRandGen();
	28
	29	virtual void SetSeed(uint_4 seed);
	30	virtual void SetSeed(vector<uint_4> seed);
	31	virtual void AutoInit(int lp=0);
	32
	33	friend class ObjFileIO<FMTRandGen> ;
	34
	35	protected:
	36	virtual r_8 Next();
	37	dsfmt_t dsfmt_;
	38
	39	};
	40
	41	// Classe pour la gestion de persistance PPF : ObjFileIO<FMTRandGen>
	42
	43	/! Writes the random generator object state in the POutPersist stream \b os /
	44	inline POutPersist& operator << (POutPersist& os, FMTRandGen & obj)
	45	{ ObjFileIO<FMTRandGen> fio(&obj); fio.Write(os); return(os); }
	46	/! Reads the random generator object state from the PInPersist stream \b is /
	47	inline PInPersist& operator >> (PInPersist& is, FMTRandGen & obj)
	48	{ ObjFileIO<FMTRandGen> fio(&obj); is.SkipToNextObject(); fio.Read(is); return(is); }
	49
	50	} /* namespace SOPHYA */
	51
	52	#endif

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