subroutine restricted_lda_exchange_potential(DFA,LDA_centered,nEns,wEns,aCC_w1,aCC_w2,nGrid,weight,nBas,AO,rho,Fx,Cx_choice) ! Select LDA correlation potential implicit none include 'parameters.h' ! Input variables logical,intent(in) :: LDA_centered character(len=12),intent(in) :: DFA integer,intent(in) :: nEns double precision,intent(in) :: wEns(nEns) double precision,intent(in) :: aCC_w1(3) double precision,intent(in) :: aCC_w2(3) integer,intent(in) :: nGrid double precision,intent(in) :: weight(nGrid) integer,intent(in) :: nBas double precision,intent(in) :: AO(nBas,nGrid) double precision,intent(in) :: rho(nGrid) integer,intent(in) :: Cx_choice ! Output variables double precision,intent(out) :: Fx(nBas,nBas) ! Select exchange functional select case (DFA) case ('S51') call RS51_lda_exchange_potential(nGrid,weight,nBas,AO,rho,Fx) case ('MFL20') call RMFL20_lda_exchange_potential(LDA_centered,nEns,wEns,nGrid,weight,nBas,AO,rho,Fx) case ('CC') call RCC_lda_exchange_potential(nEns,wEns,aCC_w1,aCC_w2,nGrid,weight,nBas,AO,rho,Fx,Cx_choice) case default call print_warning('!!! LDA exchange functional not available !!!') stop end select end subroutine restricted_lda_exchange_potential