LoKiCore.functions: add (move from LoKiArrayFunctors) function PDGM
LoKiCore.functions: add (move from LoKiArrayFunctors) function PDGM
this MR for run2-patches and master branches
LoKiCore.functions: add (move from LoKiArrayFunctors) function PDGM
this MR for run2-patches and master branches