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https://github.com/pfloos/quack
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45 lines
1.2 KiB
Fortran
45 lines
1.2 KiB
Fortran
subroutine R_eh_singlet_Phi(nOrb,nC,nR,nS,eh_sing_Om,eh_sing_rho,eh_sing_Phi)
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! Compute irreducible vertex in the triplet pp channel
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implicit none
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! Input variables
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integer,intent(in) :: nOrb,nC,nR,nS
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double precision,intent(in) :: eh_sing_Om(nS)
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double precision,intent(in) :: eh_sing_rho(nOrb,nOrb,nS)
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! Local variables
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integer :: p,q,r,s
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integer :: n
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! Output variables
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double precision,intent(out) :: eh_sing_Phi(nOrb,nOrb,nOrb,nOrb)
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! Initialization
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eh_sing_Phi(:,:,:,:) = 0d0
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!$OMP PARALLEL DEFAULT(NONE) &
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!$OMP PRIVATE(p, q, r, s, n) &
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!$OMP SHARED(nC, nOrb, nR, nS, eh_sing_Phi, eh_sing_rho, eh_sing_Om)
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!$OMP DO COLLAPSE(2)
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do s = nC+1, nOrb-nR
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do r = nC+1, nOrb-nR
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do q = nC+1, nOrb-nR
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do p = nC+1, nOrb-nR
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do n=1,nS
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eh_sing_Phi(p,q,r,s) = eh_sing_Phi(p,q,r,s) &
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- eh_sing_rho(r,p,n)*eh_sing_rho(q,s,n)/eh_sing_Om(n) &
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- eh_sing_rho(p,r,n)*eh_sing_rho(s,q,n)/eh_sing_Om(n)
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end do
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enddo
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enddo
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enddo
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enddo
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!$OMP END DO
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!$OMP END PARALLEL
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end subroutine
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