module MuonDecayInterface

interface
 function MuonToElectronEnergy(x)
  use precision_def
  implicit none
  real(rp) MuonToElectronEnergy, x
 end function
end interface

interface
 function MuonDecayAngDist(x,y)
   use precision_def
   implicit none
   real(rp) MuonDecayAngDist, x,y
 end function
end interface

end module