AliGenParam(Int_t npart, Int_t param,
Double_t (*PtPara)(Double_t*, Double_t*),
Double_t (*YPara )(Double_t*, Double_t*),
Int_t (*IpPara)(TRandom*) );
AliGenParam(Int_t npart, Int_t param,
Double_t (*PtPara)(Double_t*, Double_t*),
Double_t (*YPara )(Double_t*, Double_t*),
Int_t (*IpPara)(TRandom*) );