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quack/src/eDFT/lda_correlation_individual_energy.f90

52 lines
1.3 KiB
Fortran

subroutine lda_correlation_individual_energy(DFA,LDA_centered,nEns,wEns,nGrid,weight,rhow,rho,LZc,Ec)
! Compute LDA correlation energy for individual states
implicit none
include 'parameters.h'
! Input variables
logical,intent(in) :: LDA_centered
integer,intent(in) :: DFA
integer,intent(in) :: nEns
double precision,intent(in) :: wEns(nEns)
integer,intent(in) :: nGrid
double precision,intent(in) :: weight(nGrid)
double precision,intent(in) :: rhow(nGrid,nspin)
double precision,intent(in) :: rho(nGrid,nspin,nEns)
! Output variables
double precision :: LZc(nsp)
double precision :: Ec(nsp,nEns)
! Select correlation functional
select case (DFA)
case (1)
! call W38_lda_correlation_individual_energy(nGrid,weight,rhow,rho,LZc,Ec)
case (2)
! call PW92_lda_correlation_individual_energy(nGrid,weight,rhow,rho,LZc,Ec)
case (3)
! call VWN3_lda_correlation_individual_energy(nEns,nGrid,weight,rhow,rho,LZc,Ec)
case (4)
call VWN5_lda_correlation_individual_energy(nEns,nGrid,weight,rhow,rho,LZc,Ec)
case default
call print_warning('!!! LDA correlation functional not available !!!')
stop
end select
end subroutine lda_correlation_individual_energy