BOSS 8.0.0
BESIII Offline Software System
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TKFun.h
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1#ifndef RAD_TKFun
2#define RAD_TKFun
3
4// #include "TF1.h"
5#include "TLi2.h"
6#include "TRadSpline.h"
7
8class TKFun {
9protected:
10 double fxmin;
11 double fxmax;
12 // TF1 *fkfun;
13 TRadSpline* fk;
14
15public:
16 TKFun();
17 TKFun( const double& );
18 virtual ~TKFun();
19 virtual void Init();
20 virtual void Init( const double& );
21 virtual double kfun( const double& x );
22 virtual inline double Eval( const double& x ) { return fk->Eval( x ); }
23 virtual inline double Eval( const double& z1, const double& z2, const double& c ) {
24 double v = ( z1 - z2 ) / ( z1 + z2 );
25 double cs = ( c - v ) / ( 1 - c * v );
26 return Eval( cs );
27 }
28};
29
30#endif // #ifndef RAD_TKFun
v
**********Class see also m_nmax DOUBLE PRECISION m_amel DOUBLE PRECISION m_x2 DOUBLE PRECISION m_alfinv DOUBLE PRECISION m_Xenph INTEGER m_KeyWtm INTEGER m_idyfs DOUBLE PRECISION m_zini DOUBLE PRECISION m_q2 DOUBLE PRECISION m_Wt_KF DOUBLE PRECISION m_WtCut INTEGER m_KFfin *COMMON c_KarLud $ !Input CMS energy[GeV] $ !CMS energy after beam spread beam strahlung[GeV] $ !Beam energy spread[GeV] $ !z boost due to beam spread $ !electron beam mass *ff pair spectrum $ !minimum v
Definition KarLud.h:35
TKFun::fxmin
double fxmin
Definition TKFun.h:10
TKFun::Eval
virtual double Eval(const double &x)
Definition TKFun.h:22
TKFun::kfun
virtual double kfun(const double &x)
TKFun::fxmax
double fxmax
Definition TKFun.h:11
TKFun::fk
TRadSpline * fk
Definition TKFun.h:13
TKFun::Eval
virtual double Eval(const double &z1, const double &z2, const double &c)
Definition TKFun.h:23
TKFun::Init
virtual void Init()
TKFun::Init
virtual void Init(const double &)
TKFun::~TKFun
virtual ~TKFun()
TKFun::TKFun
TKFun(const double &)