2020-07-02 14:27:38 +02:00
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subroutine unrestricted_correlation_individual_energy(rung,DFA,LDA_centered,nEns,wEns,nGrid,weight,rhow,drhow,rho,drho,Ec)
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2019-03-13 11:07:31 +01:00
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! Compute the correlation energy of 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) :: rung
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character(len=12),intent(in) :: DFA
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2020-07-02 14:27:38 +02:00
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logical,intent(in) :: LDA_centered
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2019-03-13 11:07:31 +01:00
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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)
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double precision,intent(in) :: drho(ncart,nGrid,nspin)
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! Local variables
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double precision :: EcLDA(nsp)
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double precision :: EcGGA(nsp)
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double precision :: aC
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! Output variables
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double precision,intent(out) :: Ec(nsp)
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select case (rung)
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! Hartree calculation
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case(0)
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Ec(:) = 0d0
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! LDA functionals
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case(1)
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2020-07-02 14:27:38 +02:00
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call unrestricted_lda_correlation_individual_energy(DFA,LDA_centered,nEns,wEns,nGrid,weight,rhow,rho,Ec)
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2019-03-13 11:07:31 +01:00
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! GGA functionals
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case(2)
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call print_warning('!!! Individual energies NYI for GGAs !!!')
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stop
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! Hybrid functionals
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case(4)
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call print_warning('!!! Individual energies NYI for hybrids !!!')
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stop
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aC = 0.81d0
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! Hartree-Fock calculation
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case(666)
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Ec(:) = 0d0
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end select
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2020-07-02 14:27:38 +02:00
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end subroutine unrestricted_correlation_individual_energy
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