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QuantumPackage/src/ccsd/ccsd_t_space_orb_abc.irp.f

453 lines
18 KiB
Fortran
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! Main
subroutine ccsd_par_t_space_v3(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energy)
implicit none
integer, intent(in) :: nO,nV
double precision, intent(in) :: t1(nO,nV), f_o(nO), f_v(nV)
double precision, intent(in) :: t2(nO,nO,nV,nV)
double precision, intent(in) :: v_vvvo(nV,nV,nV,nO), v_vvoo(nV,nV,nO,nO), v_vooo(nV,nO,nO,nO)
double precision, intent(out) :: energy
double precision, allocatable :: X_vovv(:,:,:,:), X_ooov(:,:,:,:), X_oovv(:,:,:,:)
double precision, allocatable :: T_voov(:,:,:,:), T_oovv(:,:,:,:)
integer :: i,j,k,l,a,b,c,d
double precision :: e,ta,tb
call set_multiple_levels_omp(.False.)
allocate(X_vovv(nV,nO,nV,nV), X_ooov(nO,nO,nO,nV), X_oovv(nO,nO,nV,nV))
allocate(T_voov(nV,nO,nO,nV),T_oovv(nO,nO,nV,nV))
!$OMP PARALLEL &
!$OMP SHARED(nO,nV,T_voov,T_oovv,X_vovv,X_ooov,X_oovv, &
!$OMP t1,t2,v_vvvo,v_vooo,v_vvoo) &
!$OMP PRIVATE(a,b,c,d,i,j,k,l) &
!$OMP DEFAULT(NONE)
!v_vvvo(b,a,d,i) * t2(k,j,c,d) &
!X_vovv(d,i,b,a,i) * T_voov(d,j,c,k)
!$OMP DO
do a = 1, nV
do b = 1, nV
do i = 1, nO
do d = 1, nV
X_vovv(d,i,b,a) = v_vvvo(b,a,d,i)
enddo
enddo
enddo
enddo
!$OMP END DO nowait
!$OMP DO
do c = 1, nV
do j = 1, nO
do k = 1, nO
do d = 1, nV
T_voov(d,k,j,c) = t2(k,j,c,d)
enddo
enddo
enddo
enddo
!$OMP END DO nowait
!v_vooo(c,j,k,l) * t2(i,l,a,b) &
!X_ooov(l,j,k,c) * T_oovv(l,i,a,b) &
!$OMP DO
do c = 1, nV
do k = 1, nO
do j = 1, nO
do l = 1, nO
X_ooov(l,j,k,c) = v_vooo(c,j,k,l)
enddo
enddo
enddo
enddo
!$OMP END DO nowait
!$OMP DO
do b = 1, nV
do a = 1, nV
do i = 1, nO
do l = 1, nO
T_oovv(l,i,a,b) = t2(i,l,a,b)
enddo
enddo
enddo
enddo
!$OMP END DO nowait
!X_oovv(j,k,b,c) * T1_vo(a,i) &
!$OMP DO
do c = 1, nV
do b = 1, nV
do k = 1, nO
do j = 1, nO
X_oovv(j,k,b,c) = v_vvoo(b,c,j,k)
enddo
enddo
enddo
enddo
!$OMP END DO nowait
!$OMP END PARALLEL
double precision, external :: ccsd_t_task_aba
double precision, external :: ccsd_t_task_abc
!$OMP PARALLEL PRIVATE(a,b,c,e) DEFAULT(SHARED)
e = 0d0
!$OMP DO SCHEDULE(guided)
do a = 1, nV
do b = a+1, nV
do c = b+1, nV
e = e + ccsd_t_task_abc(a,b,c,nO,nV,t1,T_oovv,T_voov, &
X_ooov,X_oovv,X_vovv,f_o,f_v)
enddo
e = e + ccsd_t_task_aba(a,b,nO,nV,t1,T_oovv,T_voov, &
X_ooov,X_oovv,X_vovv,f_o,f_v)
e = e + ccsd_t_task_aba(b,a,nO,nV,t1,T_oovv,T_voov, &
X_ooov,X_oovv,X_vovv,f_o,f_v)
enddo
enddo
!$OMP END DO NOWAIT
!$OMP CRITICAL
energy = energy + e
!$OMP END CRITICAL
!$OMP END PARALLEL
energy = energy / 3.d0
deallocate(X_vovv,X_ooov,T_voov,T_oovv)
end
double precision function ccsd_t_task_abc(a,b,c,nO,nV,t1,T_oovv,T_voov,&
X_ooov,X_oovv,X_vovv,f_o,f_v) result(e)
implicit none
integer, intent(in) :: nO,nV,a,b,c
double precision, intent(in) :: t1(nO,nV), f_o(nO), f_v(nV)
double precision, intent(in) :: X_oovv(nO,nO,nV,nV)
double precision, intent(in) :: T_voov(nV,nO,nO,nV), T_oovv(nO,nO,nV,nV)
double precision, intent(in) :: X_vovv(nV,nO,nV,nV), X_ooov(nO,nO,nO,nV)
double precision :: delta, delta_abc
integer :: i,j,k
double precision, allocatable :: W_abc(:,:,:), W_cab(:,:,:), W_bca(:,:,:)
double precision, allocatable :: W_bac(:,:,:), W_cba(:,:,:), W_acb(:,:,:)
double precision, allocatable :: V_abc(:,:,:), V_cab(:,:,:), V_bca(:,:,:)
double precision, allocatable :: V_bac(:,:,:), V_cba(:,:,:), V_acb(:,:,:)
allocate( W_abc(nO,nO,nO), W_cab(nO,nO,nO), W_bca(nO,nO,nO), &
W_bac(nO,nO,nO), W_cba(nO,nO,nO), W_acb(nO,nO,nO), &
V_abc(nO,nO,nO), V_cab(nO,nO,nO), V_bca(nO,nO,nO), &
V_bac(nO,nO,nO), V_cba(nO,nO,nO), V_acb(nO,nO,nO) )
call form_w_abc(nO,nV,a,b,c,T_voov,T_oovv,X_vovv,X_ooov,W_abc,W_cba,W_bca,W_cab,W_bac,W_acb)
call form_v_abc(nO,nV,a,b,c,t1,X_oovv,W_abc,V_abc,W_cba,V_cba,W_bca,V_bca,W_cab,V_cab,W_bac,V_bac,W_acb,V_acb)
delta_abc = f_v(a) + f_v(b) + f_v(c)
e = 0.d0
do k = 1, nO
do j = 1, nO
do i = 1, nO
delta = 1.d0 / (f_o(i) + f_o(j) + f_o(k) - delta_abc)
e = e + delta * ( &
(4d0 * (W_abc(i,j,k) - W_cba(i,j,k)) + &
W_bca(i,j,k) - W_bac(i,j,k) + &
W_cab(i,j,k) - W_acb(i,j,k) ) * (V_abc(i,j,k) - V_cba(i,j,k)) +&
(4d0 * (W_acb(i,j,k) - W_bca(i,j,k)) + &
W_cba(i,j,k) - W_cab(i,j,k) + &
W_bac(i,j,k) - W_abc(i,j,k) ) * (V_acb(i,j,k) - V_bca(i,j,k)) +&
(4d0 * (W_bac(i,j,k) - W_cab(i,j,k)) + &
W_acb(i,j,k) - W_abc(i,j,k) + &
W_cba(i,j,k) - W_bca(i,j,k) ) * (V_bac(i,j,k) - V_cab(i,j,k)) )
enddo
enddo
enddo
deallocate(W_abc, W_cab, W_bca, W_bac, W_cba, W_acb, &
V_abc, V_cab, V_bca, V_bac, V_cba, V_acb )
end
double precision function ccsd_t_task_aba(a,b,nO,nV,t1,T_oovv,T_voov,&
X_ooov,X_oovv,X_vovv,f_o,f_v) result(e)
implicit none
integer, intent(in) :: nO,nV,a,b
double precision, intent(in) :: t1(nO,nV), f_o(nO), f_v(nV)
double precision, intent(in) :: X_oovv(nO,nO,nV,nV)
double precision, intent(in) :: T_voov(nV,nO,nO,nV), T_oovv(nO,nO,nV,nV)
double precision, intent(in) :: X_vovv(nV,nO,nV,nV), X_ooov(nO,nO,nO,nV)
double precision :: delta, delta_abc
integer :: i,j,k
double precision, allocatable :: W_abc(:,:,:), W_cab(:,:,:), W_bca(:,:,:)
double precision, allocatable :: W_bac(:,:,:), W_cba(:,:,:), W_acb(:,:,:)
double precision, allocatable :: V_abc(:,:,:), V_cab(:,:,:), V_bca(:,:,:)
double precision, allocatable :: V_bac(:,:,:), V_cba(:,:,:), V_acb(:,:,:)
allocate( W_abc(nO,nO,nO), W_cab(nO,nO,nO), W_bca(nO,nO,nO), &
W_bac(nO,nO,nO), W_cba(nO,nO,nO), W_acb(nO,nO,nO), &
V_abc(nO,nO,nO), V_cab(nO,nO,nO), V_bca(nO,nO,nO), &
V_bac(nO,nO,nO), V_cba(nO,nO,nO), V_acb(nO,nO,nO) )
call form_w_abc(nO,nV,a,b,a,T_voov,T_oovv,X_vovv,X_ooov,W_abc,W_cba,W_bca,W_cab,W_bac,W_acb)
call form_v_abc(nO,nV,a,b,a,t1,X_oovv,W_abc,V_abc,W_cba,V_cba,W_bca,V_bca,W_cab,V_cab,W_bac,V_bac,W_acb,V_acb)
delta_abc = f_v(a) + f_v(b) + f_v(a)
e = 0.d0
do k = 1, nO
do j = 1, nO
do i = 1, nO
delta = 1.d0 / (f_o(i) + f_o(j) + f_o(k) - delta_abc)
e = e + delta * ( &
(4d0 * W_abc(i,j,k) + W_bca(i,j,k) + W_cab(i,j,k)) * (V_abc(i,j,k) - V_cba(i,j,k)) + &
(4d0 * W_acb(i,j,k) + W_cba(i,j,k) + W_bac(i,j,k)) * (V_acb(i,j,k) - V_bca(i,j,k)) + &
(4d0 * W_bac(i,j,k) + W_acb(i,j,k) + W_cba(i,j,k)) * (V_bac(i,j,k) - V_cab(i,j,k)) )
enddo
enddo
enddo
deallocate(W_abc, W_cab, W_bca, W_bac, W_cba, W_acb, &
V_abc, V_cab, V_bca, V_bac, V_cba, V_acb )
end
subroutine form_w_abc(nO,nV,a,b,c,T_voov,T_oovv,X_vovv,X_ooov,W_abc,W_cba,W_bca,W_cab,W_bac,W_acb)
implicit none
integer, intent(in) :: nO,nV,a,b,c
double precision, intent(in) :: T_voov(nV,nO,nO,nV), T_oovv(nO,nO,nV,nV)
double precision, intent(in) :: X_vovv(nV,nO,nV,nV), X_ooov(nO,nO,nO,nV)
double precision, intent(out) :: W_abc(nO,nO,nO)
double precision, intent(out) :: W_cba(nO,nO,nO)
double precision, intent(out) :: W_bca(nO,nO,nO)
double precision, intent(out) :: W_cab(nO,nO,nO)
double precision, intent(out) :: W_bac(nO,nO,nO)
double precision, intent(out) :: W_acb(nO,nO,nO)
integer :: l,i,j,k,d
double precision, allocatable, dimension(:,:,:,:) :: W_ikj
double precision, allocatable :: X(:,:,:,:)
allocate(W_ikj(nO,nO,nO,6))
allocate(X(nV,nO,nO,3))
do k=1,nO
do i=1,nO
do d=1,nV
X(d,i,k,1) = T_voov(d,k,i,a)
X(d,i,k,2) = T_voov(d,k,i,b)
X(d,i,k,3) = T_voov(d,k,i,c)
enddo
enddo
enddo
! X_vovv(d,i,c,a) * T_voov(d,j,k,b) : i jk
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,c,a), nV, T_voov(1,1,1,b), nV, 0.d0, W_abc, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,c,b), nV, T_voov(1,1,1,a), nV, 0.d0, W_bac, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,a,c), nV, T_voov(1,1,1,b), nV, 0.d0, W_cba, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,a,b), nV, T_voov(1,1,1,c), nV, 0.d0, W_bca, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,b,c), nV, T_voov(1,1,1,a), nV, 0.d0, W_cab, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,b,a), nV, T_voov(1,1,1,c), nV, 0.d0, W_acb, nO)
! T_voov(d,i,j,a) * X_vovv(d,k,b,c) : ij k
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,a), nV, X_vovv(1,1,b,c), nV, 1.d0, W_abc, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,b), nV, X_vovv(1,1,a,c), nV, 1.d0, W_bac, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,c), nV, X_vovv(1,1,b,a), nV, 1.d0, W_cba, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,b), nV, X_vovv(1,1,c,a), nV, 1.d0, W_bca, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,c), nV, X_vovv(1,1,a,b), nV, 1.d0, W_cab, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,a), nV, X_vovv(1,1,c,b), nV, 1.d0, W_acb, nO*nO)
! X_vovv(d,k,a,c) * T_voov(d,j,i,b) : k ji
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,2), nV, X_vovv(1,1,a,c), nV, 1.d0, W_abc, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,1), nV, X_vovv(1,1,b,c), nV, 1.d0, W_bac, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,2), nV, X_vovv(1,1,c,a), nV, 1.d0, W_cba, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,3), nV, X_vovv(1,1,b,a), nV, 1.d0, W_bca, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,1), nV, X_vovv(1,1,c,b), nV, 1.d0, W_cab, nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,3), nV, X_vovv(1,1,a,b), nV, 1.d0, W_acb, nO*nO)
! X_vovv(d,i,b,a) * T_voov(d,k,j,c) : i kj
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,b,a), nV, X(1,1,1,3), nV, 1.d0, W_abc, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,a,b), nV, X(1,1,1,3), nV, 1.d0, W_bac, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,b,c), nV, X(1,1,1,1), nV, 1.d0, W_cba, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,c,b), nV, X(1,1,1,1), nV, 1.d0, W_bca, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,a,c), nV, X(1,1,1,2), nV, 1.d0, W_cab, nO)
call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,c,a), nV, X(1,1,1,2), nV, 1.d0, W_acb, nO)
! T_voov(d,k,i,c) * X_vovv(d,j,a,b) : ki j
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,3), nV, X_vovv(1,1,a,b), nV, 0.d0, W_ikj(1,1,1,1), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,3), nV, X_vovv(1,1,b,a), nV, 0.d0, W_ikj(1,1,1,2), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,1), nV, X_vovv(1,1,c,b), nV, 0.d0, W_ikj(1,1,1,3), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,1), nV, X_vovv(1,1,b,c), nV, 0.d0, W_ikj(1,1,1,4), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,2), nV, X_vovv(1,1,c,a), nV, 0.d0, W_ikj(1,1,1,5), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, X(1,1,1,2), nV, X_vovv(1,1,a,c), nV, 0.d0, W_ikj(1,1,1,6), nO*nO)
! T_voov(d,i,k,a) * X_vovv(d,j,c,b) : ik j
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,a), nV, X_vovv(1,1,c,b), nV, 1.d0, W_ikj(1,1,1,1), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,b), nV, X_vovv(1,1,c,a), nV, 1.d0, W_ikj(1,1,1,2), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,c), nV, X_vovv(1,1,a,b), nV, 1.d0, W_ikj(1,1,1,3), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,b), nV, X_vovv(1,1,a,c), nV, 1.d0, W_ikj(1,1,1,4), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,c), nV, X_vovv(1,1,b,a), nV, 1.d0, W_ikj(1,1,1,5), nO*nO)
call dgemm('T','N', nO*nO, nO, nV, 1.d0, T_voov(1,1,1,a), nV, X_vovv(1,1,b,c), nV, 1.d0, W_ikj(1,1,1,6), nO*nO)
deallocate(X)
allocate(X(nO,nO,nO,3))
do k=1,nO
do j=1,nO
do l=1,nO
X(l,j,k,1) = X_ooov(l,k,j,a)
X(l,j,k,2) = X_ooov(l,k,j,b)
X(l,j,k,3) = X_ooov(l,k,j,c)
enddo
enddo
enddo
! - T_oovv(l,i,a,b) * X_ooov(l,j,k,c) : i jk
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,a,b), nO, X_ooov(1,1,1,c), nO, 1.d0, W_abc, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,b,a), nO, X_ooov(1,1,1,c), nO, 1.d0, W_bac, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,c,b), nO, X_ooov(1,1,1,a), nO, 1.d0, W_cba, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,b,c), nO, X_ooov(1,1,1,a), nO, 1.d0, W_bca, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,c,a), nO, X_ooov(1,1,1,b), nO, 1.d0, W_cab, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,a,c), nO, X_ooov(1,1,1,b), nO, 1.d0, W_acb, nO)
! - T_oovv(l,i,a,c) * X_ooov(l,k,j,b) : i kj
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,a,c), nO, X(1,1,1,2), nO, 1.d0, W_abc, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,b,c), nO, X(1,1,1,1), nO, 1.d0, W_bac, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,c,a), nO, X(1,1,1,2), nO, 1.d0, W_cba, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,b,a), nO, X(1,1,1,3), nO, 1.d0, W_bca, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,c,b), nO, X(1,1,1,1), nO, 1.d0, W_cab, nO)
call dgemm('T','N', nO, nO*nO, nO, -1.d0, T_oovv(1,1,a,b), nO, X(1,1,1,3), nO, 1.d0, W_acb, nO)
! - X_ooov(l,i,j,b) * T_oovv(l,k,c,a) : ij k
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,b), nO, T_oovv(1,1,c,a), nO, 1.d0, W_abc, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,a), nO, T_oovv(1,1,c,b), nO, 1.d0, W_bac, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,b), nO, T_oovv(1,1,a,c), nO, 1.d0, W_cba, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,c), nO, T_oovv(1,1,a,b), nO, 1.d0, W_bca, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,a), nO, T_oovv(1,1,b,c), nO, 1.d0, W_cab, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,c), nO, T_oovv(1,1,b,a), nO, 1.d0, W_acb, nO*nO)
! - X_ooov(l,j,i,a) * T_oovv(l,k,c,b) : ji k
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,1), nO, T_oovv(1,1,c,b), nO, 1.d0, W_abc, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,2), nO, T_oovv(1,1,c,a), nO, 1.d0, W_bac, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,3), nO, T_oovv(1,1,a,b), nO, 1.d0, W_cba, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,2), nO, T_oovv(1,1,a,c), nO, 1.d0, W_bca, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,3), nO, T_oovv(1,1,b,a), nO, 1.d0, W_cab, nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,1), nO, T_oovv(1,1,b,c), nO, 1.d0, W_acb, nO*nO)
! - X_ooov(l,k,i,a) * T_oovv(l,j,b,c) : ki j
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,1), nO, T_oovv(1,1,b,c), nO, 1.d0, W_ikj(1,1,1,1), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,2), nO, T_oovv(1,1,a,c), nO, 1.d0, W_ikj(1,1,1,2), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,3), nO, T_oovv(1,1,b,a), nO, 1.d0, W_ikj(1,1,1,3), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,2), nO, T_oovv(1,1,c,a), nO, 1.d0, W_ikj(1,1,1,4), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,3), nO, T_oovv(1,1,a,b), nO, 1.d0, W_ikj(1,1,1,5), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X(1,1,1,1), nO, T_oovv(1,1,c,b), nO, 1.d0, W_ikj(1,1,1,6), nO*nO)
! - X_ooov(l,i,k,c) * T_oovv(l,j,b,a) : ik j
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,c), nO, T_oovv(1,1,b,a), nO, 1.d0, W_ikj(1,1,1,1), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,c), nO, T_oovv(1,1,a,b), nO, 1.d0, W_ikj(1,1,1,2), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,a), nO, T_oovv(1,1,b,c), nO, 1.d0, W_ikj(1,1,1,3), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,a), nO, T_oovv(1,1,c,b), nO, 1.d0, W_ikj(1,1,1,4), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,b), nO, T_oovv(1,1,a,c), nO, 1.d0, W_ikj(1,1,1,5), nO*nO)
call dgemm('T','N', nO*nO, nO, nO, -1.d0, X_ooov(1,1,1,b), nO, T_oovv(1,1,c,a), nO, 1.d0, W_ikj(1,1,1,6), nO*nO)
do k=1,nO
do j=1,nO
do i=1,nO
W_abc(i,j,k) = W_abc(i,j,k) + W_ikj(i,k,j,1)
W_bac(i,j,k) = W_bac(i,j,k) + W_ikj(i,k,j,2)
W_cba(i,j,k) = W_cba(i,j,k) + W_ikj(i,k,j,3)
W_bca(i,j,k) = W_bca(i,j,k) + W_ikj(i,k,j,4)
W_cab(i,j,k) = W_cab(i,j,k) + W_ikj(i,k,j,5)
W_acb(i,j,k) = W_acb(i,j,k) + W_ikj(i,k,j,6)
enddo
enddo
enddo
deallocate(X,W_ikj)
end
! V_abc
subroutine form_v_abc(nO,nV,a,b,c,T_ov,X_oovv,W_abc,V_abc,W_cba,V_cba,W_bca,V_bca,W_cab,V_cab,W_bac,V_bac,W_acb,V_acb)
implicit none
integer, intent(in) :: nO,nV,a,b,c
double precision, intent(in) :: T_ov(nO,nV)
double precision, intent(in) :: X_oovv(nO,nO,nV,nV)
double precision, intent(in) :: W_abc(nO,nO,nO), W_cab(nO,nO,nO), W_bca(nO,nO,nO)
double precision, intent(in) :: W_bac(nO,nO,nO), W_cba(nO,nO,nO), W_acb(nO,nO,nO)
double precision, intent(out) :: V_abc(nO,nO,nO), V_cab(nO,nO,nO), V_bca(nO,nO,nO)
double precision, intent(out) :: V_bac(nO,nO,nO), V_cba(nO,nO,nO), V_acb(nO,nO,nO)
integer :: i,j,k
do k = 1, nO
do j = 1, nO
do i = 1, nO
V_abc(i,j,k) = W_abc(i,j,k) &
+ X_oovv(j,k,b,c) * T_ov(i,a) &
+ X_oovv(i,k,a,c) * T_ov(j,b) &
+ X_oovv(i,j,a,b) * T_ov(k,c)
V_cba(i,j,k) = W_cba(i,j,k) &
+ X_oovv(j,k,b,a) * T_ov(i,c) &
+ X_oovv(i,k,c,a) * T_ov(j,b) &
+ X_oovv(i,j,c,b) * T_ov(k,a)
V_bca(i,j,k) = W_bca(i,j,k) &
+ X_oovv(j,k,c,a) * T_ov(i,b) &
+ X_oovv(i,k,b,a) * T_ov(j,c) &
+ X_oovv(i,j,b,c) * T_ov(k,a)
V_cab(i,j,k) = W_cab(i,j,k) &
+ X_oovv(j,k,a,b) * T_ov(i,c) &
+ X_oovv(i,k,c,b) * T_ov(j,a) &
+ X_oovv(i,j,c,a) * T_ov(k,b)
V_bac(i,j,k) = W_bac(i,j,k) &
+ X_oovv(j,k,a,c) * T_ov(i,b) &
+ X_oovv(i,k,b,c) * T_ov(j,a) &
+ X_oovv(i,j,b,a) * T_ov(k,c)
V_acb(i,j,k) = W_acb(i,j,k) &
+ X_oovv(j,k,c,b) * T_ov(i,a) &
+ X_oovv(i,k,a,b) * T_ov(j,c) &
+ X_oovv(i,j,a,c) * T_ov(k,b)
enddo
enddo
enddo
end
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