19 double kfun(
const double &);
21 inline double Eval(
const double &z1,
const double &z2,
const double &c){
22 double v = (z1-z2)/(z1+z2);
23 double cs = (c-
v)/(1-c*
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
double Eval(const double &z1, const double &z2, const double &c)
void Init(const double &)
double Eval(const double &x)
double kfun(const double &)
virtual double Eval(double x) const =0