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37 lines
1004 B
Fortran
37 lines
1004 B
Fortran
subroutine gga_exchange_individual_energy(DFA,nEns,wEns,nGrid,weight,rhow,drhow,rho,drho,LZx,Ex)
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! Compute GGA exchange energy for individual states
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implicit none
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include 'parameters.h'
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! Input variables
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integer,intent(in) :: DFA
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integer,intent(in) :: nEns
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double precision,intent(in) :: wEns(nEns)
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integer,intent(in) :: nGrid
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double precision,intent(in) :: weight(nGrid)
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double precision,intent(in) :: rhow(nGrid,nspin)
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double precision,intent(in) :: drhow(ncart,nGrid,nspin)
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double precision,intent(in) :: rho(nGrid,nspin,nEns)
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double precision,intent(in) :: drho(ncart,nGrid,nspin,nEns)
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! Output variables
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double precision :: LZx(nspin)
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double precision :: Ex(nspin,nEns)
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! Select correlation functional
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select case (DFA)
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case default
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call print_warning('!!! GGA exchange individual energy not available !!!')
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stop
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end select
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end subroutine gga_exchange_individual_energy
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