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quack/src/eDFT/unrestricted_gga_exchange_individual_energy.f90

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subroutine unrestricted_gga_exchange_individual_energy(DFA,nEns,wEns,nGrid,weight,rhow,drhow,rho,drho,LZx,Ex)
! Compute GGA exchange energy for individual states
implicit none
include 'parameters.h'
! Input variables
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integer,intent(in) :: DFA
integer,intent(in) :: nEns
double precision,intent(in) :: wEns(nEns)
integer,intent(in) :: nGrid
double precision,intent(in) :: weight(nGrid)
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double precision,intent(in) :: rhow(nGrid,nspin)
double precision,intent(in) :: drhow(ncart,nGrid,nspin)
double precision,intent(in) :: rho(nGrid,nspin,nEns)
double precision,intent(in) :: drho(ncart,nGrid,nspin,nEns)
! Output variables
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double precision :: LZx(nspin)
double precision :: Ex(nspin,nEns)
! Select correlation functional
select case (DFA)
case default
call print_warning('!!! GGA exchange individual energy not available !!!')
stop
end select
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end subroutine unrestricted_gga_exchange_individual_energy