EvtCGCoefSingle.hh
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EvtCGCoefSingle.hh
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	//--------------------------------------------------------------------------
	//
	// Environment:
	// This software is part of the EvtGen package developed jointly
	// for the BaBar and CLEO collaborations. If you use all or part
	// of it, please give an appropriate acknowledgement.
	//
	// Copyright Information: See EvtGen/COPYRIGHT
	// Copyright (C) 2000 Caltech, UCSB
	//
	// Module: EvtGen/EvtCGCoefSingle.hh
	//
	// Description:Evaluation of Clebsch-Gordon coef for a fixed j1 and j2.
	//
	// Modification history:
	//
	// RYD August 12, 2000 Module created
	//
	//------------------------------------------------------------------------

	#ifndef EVTCGCOEFSINGLE_HH
	#define EVTCGCOEFSINGLE_HH

	#include <vector>


	class EvtCGCoefSingle{

	public:

	EvtCGCoefSingle(int j1, int j2) {init(j1,j2);}
	~EvtCGCoefSingle();


	double coef(int J,int M,int j1,int j2,int m1,int m2);

	private:

	void init(int j1,int j2);
	double& cg(int J,int M, int m1, int m2);

	int _j1;
	int _j2;

	int _Jmax;
	int _Jmin;

	std::vector<std::vector<std::vector<double> > > _table;

	};

	#endif