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Symmetries in (T)
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@ -19,7 +19,7 @@ subroutine ccsd_par_t_space_v3(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energy)
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double precision, allocatable :: X_vovv(:,:,:,:), X_ooov(:,:,:,:), X_oovv(:,:,:,:)
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double precision, allocatable :: T_voov(:,:,:,:), T_oovv(:,:,:,:)
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integer :: i,j,k,l,a,b,c,d
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double precision :: e,ta,tb, delta, delta_abc
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double precision :: e,ta,tb, delta, delta_abc, x1, x2, x3
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allocate(X_vovv(nV,nO,nV,nV), X_ooov(nO,nO,nO,nV), X_oovv(nO,nO,nV,nV))
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allocate(T_voov(nV,nO,nO,nV),T_oovv(nO,nO,nV,nV))
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@ -105,7 +105,7 @@ subroutine ccsd_par_t_space_v3(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energy)
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energy = 0d0
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!$OMP PARALLEL &
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!$OMP PRIVATE(a,b,c) &
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!$OMP PRIVATE(a,b,c,x1) &
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!$OMP PRIVATE(W_abc, W_cab, W_bca, W_bac, W_cba, W_acb, &
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!$OMP V_abc, V_cab, V_bca, V_bac, V_cba, V_acb ) &
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!$OMP PRIVATE(i,j,k,e,delta,delta_abc) &
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@ -114,30 +114,55 @@ subroutine ccsd_par_t_space_v3(nO,nV,t1,t2,f_o,f_v,v_vvvo,v_vvoo,v_vooo,energy)
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W_bac(nO,nO,nO), W_cba(nO,nO,nO), W_acb(nO,nO,nO), &
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V_abc(nO,nO,nO), V_cab(nO,nO,nO), V_bca(nO,nO,nO), &
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V_bac(nO,nO,nO), V_cba(nO,nO,nO), V_acb(nO,nO,nO) )
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e = 0d0
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!$OMP DO
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do c = 1, nV
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do b = 1, nV
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do a = 1, nV
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e = 0d0
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do a = 1, nV
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do b = 1, a-1
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do c = 1, b-1
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delta_abc = f_v(a) + f_v(b) + f_v(c)
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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)
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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)
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do i = 1, nO
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do j = 1, nO
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do k = 1, nO
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delta = 1d0 / (f_o(i) + f_o(j) + f_o(k) - delta_abc)
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e = e + (4d0 * W_abc(i,j,k) + W_bca(i,j,k) + W_cab(i,j,k))&
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* (V_abc(i,j,k) - V_cba(i,j,k)) * delta
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delta = 1.d0 / (f_o(i) + f_o(j) + f_o(k) - delta_abc)
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e = e + delta * ( &
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(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)) + &
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(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)) + &
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(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)) + &
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(4d0 * W_bca(i,j,k) + W_cab(i,j,k) + W_abc(i,j,k)) * (V_bca(i,j,k) - V_acb(i,j,k)) + &
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(4d0 * W_cba(i,j,k) + W_bac(i,j,k) + W_acb(i,j,k)) * (V_cba(i,j,k) - V_abc(i,j,k)) + &
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(4d0 * W_cab(i,j,k) + W_abc(i,j,k) + W_bca(i,j,k)) * (V_cab(i,j,k) - V_bac(i,j,k)) + &
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0.d0)
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enddo
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enddo
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enddo
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!$OMP CRITICAL
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energy = energy + e
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!$OMP END CRITICAL
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enddo
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enddo
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c = a
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do b = 1, nV
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delta_abc = f_v(a) + f_v(b) + f_v(c)
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call form_w_abc(nO,nV,a,b,c,T_voov,T_oovv,X_vovv,X_ooov,W_abc,W_cba,W_bca,W_cab,W_bac,W_acb)
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call form_v_abc(nO,nV,a,b,c,t1,X_oovv,W_abc,V_abc,W_cba,V_cba,W_bca,V_bca,W_cab,V_cab,W_bac,V_bac,W_acb,V_acb)
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do i = 1, nO
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do j = 1, nO
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do k = 1, nO
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delta = 1.d0 / (f_o(i) + f_o(j) + f_o(k) - delta_abc)
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e = e + delta * ( &
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(4d0 * W_abc(i,j,k) + W_bca(i,j,k) + W_cab(i,j,k)) * (V_abc(i,j,k) - V_cba(i,j,k)) + &
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(4d0 * W_acb(i,j,k) + W_cba(i,j,k) + W_bac(i,j,k)) * (V_acb(i,j,k) - V_bca(i,j,k)) + &
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(4d0 * W_bac(i,j,k) + W_acb(i,j,k) + W_cba(i,j,k)) * (V_bac(i,j,k) - V_cab(i,j,k)) + &
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0.d0)
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enddo
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enddo
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enddo
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enddo
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enddo
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!$OMP END DO
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!$OMP CRITICAL
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energy = energy + e
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!$OMP END CRITICAL
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deallocate(W_abc, W_cab, W_bca, W_bac, W_cba, W_acb, &
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V_abc, V_cab, V_bca, V_bac, V_cba, V_acb )
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@ -184,7 +209,7 @@ subroutine form_w_abc(nO,nV,a,b,c,T_voov,T_oovv,X_vovv,X_ooov,W_abc,W_cba,W_bca,
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! X_vovv(d,i,c,a) * T_voov(d,j,k,b) : i jk
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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)
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call dgemm('T','N', nO, nO*nO, nV, 1.d0, X_vovv(1,1,b,a), nV, T_voov(1,1,1,a), nV, 0.d0, W_bac, nO)
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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)
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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)
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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)
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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)
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