4
1
mirror of https://github.com/pfloos/quack synced 2024-11-09 07:33:55 +01:00
quack/src/eDFT/restricted_correlation_potential.f90

70 lines
1.5 KiB
Fortran

subroutine restricted_correlation_potential(rung,DFA,LDA_centered,nEns,wEns,nGrid,weight,nBas,AO,dAO,rho,drho,Fc)
! Compute the correlation potential
implicit none
include 'parameters.h'
! Input variables
integer,intent(in) :: rung
character(len=12),intent(in) :: DFA
logical,intent(in) :: LDA_centered
integer,intent(in) :: nEns
double precision,intent(in) :: wEns(nEns)
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) :: dAO(ncart,nBas,nGrid)
double precision,intent(in) :: rho(nGrid)
double precision,intent(in) :: drho(ncart,nGrid)
! Local variables
double precision,allocatable :: FcLDA(:,:)
! Output variables
double precision,intent(out) :: Fc(nBas,nBas)
! Memory allocation
select case (rung)
! Hartree calculation
case(0)
Fc(:,:) = 0d0
! LDA functionals
case(1)
call restricted_lda_correlation_potential(DFA,LDA_centered,nEns,wEns(:),nGrid,weight(:),nBas,AO(:,:),rho(:),Fc(:,:))
! GGA functionals
case(2)
call print_warning('!!! restricted correlation potentials NYI for GGAs !!!')
stop
! Hybrid functionals
case(4)
call print_warning('!!! restricted correlation potentials NYI for Hybrids !!!')
stop
! Hartree-Fock calculation
case(666)
Fc(:,:) = 0d0
end select
end subroutine restricted_correlation_potential