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https://github.com/LCPQ/quantum_package
synced 2024-12-22 20:35:19 +01:00
Merge branch 'develop'
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commit
2077a310db
@ -88,8 +88,9 @@ let run ~multiplicity ezfio_file =
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~alpha:(Elec_alpha_number.of_int alpha_new)
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~beta:(Elec_beta_number.of_int beta_new) pair )
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in
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let c =
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Array.create ~len:(List.length determinants) (Det_coef.of_float 1.)
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Array.init (List.length determinants) (fun _ -> Det_coef.of_float ((Random.float 2.)-.1.))
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in
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determinants
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@ -751,6 +751,10 @@ END_PROVIDER
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end do
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deallocate(lref)
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do i=1,N_det_non_ref
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rho_mrcc(i,s) = rho_mrcc_init(i)
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enddo
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x_new = x
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double precision :: factor, resold
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@ -758,14 +762,8 @@ END_PROVIDER
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resold = huge(1.d0)
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do k=0,10*hh_nex
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!$OMP PARALLEL default(shared) private(cx, i, a_col, a_coll)
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!$OMP DO
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do i=1,N_det_non_ref
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rho_mrcc(i,s) = rho_mrcc_init(i)
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enddo
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!$OMP END DO
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res = 0.d0
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!$OMP PARALLEL default(shared) private(cx, i, a_col, a_coll) reduction(+:res)
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!$OMP DO
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do a_coll = 1, n_exc_active
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a_col = active_pp_idx(a_coll)
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@ -774,23 +772,12 @@ END_PROVIDER
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cx = cx + x(mrcc_AtA_ind(i)) * mrcc_AtA_val(s,i)
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end do
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x_new(a_col) = AtB(a_col) + cx * factor
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end do
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!$OMP END DO
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!$OMP END PARALLEL
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res = 0.d0
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do a_coll=1,n_exc_active
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a_col = active_pp_idx(a_coll)
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do j=1,N_det_non_ref
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i = active_excitation_to_determinants_idx(j,a_coll)
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if (i==0) exit
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rho_mrcc(i,s) = rho_mrcc(i,s) + active_excitation_to_determinants_val(s,j,a_coll) * X_new(a_col)
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enddo
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res = res + (X_new(a_col) - X(a_col))*(X_new(a_col) - X(a_col))
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X(a_col) = X_new(a_col)
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end do
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!$OMP END DO
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!$OMP END PARALLEL
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if (res > resold) then
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factor = factor * 0.5d0
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endif
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@ -802,6 +789,42 @@ END_PROVIDER
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if(res < 1d-10) exit
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end do
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dIj_unique(1:size(X), s) = X(1:size(X))
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! double precision, external :: ddot
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! if (ddot (size(X), dIj_unique, 1, X, 1) < 0.d0) then
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! dIj_unique(1:size(X),s) = -X(1:size(X))
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! endif
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enddo
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! Adjust phase of dIj_unique
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! double precision :: snorm
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! X = 0.d0
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! snorm = 0.d0
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! do s=1,N_states
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! norm = 0.d0
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! do i=1,N_det_non_ref
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! norm = norm + psi_non_ref_coef(i,s)*psi_non_ref_coef(i,s)
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! enddo
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! norm = dsqrt(norm)
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! X(1:size(X)) = X(1:size(X)) + dIj_unique(1:size(X),s) * norm
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! snorm += norm
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! enddo
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! X = X/snorm
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do s=1,N_states
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do a_coll=1,n_exc_active
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a_col = active_pp_idx(a_coll)
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do j=1,N_det_non_ref
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i = active_excitation_to_determinants_idx(j,a_coll)
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if (i==0) exit
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rho_mrcc(i,s) = rho_mrcc(i,s) + active_excitation_to_determinants_val(s,j,a_coll) * dIj_unique(a_col,s)
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! rho_mrcc(i,s) = rho_mrcc(i,s) + active_excitation_to_determinants_val(s,j,a_coll) * X(a_col)
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enddo
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end do
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norm = 0.d0
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do i=1,N_det_non_ref
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@ -814,122 +837,11 @@ END_PROVIDER
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enddo
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! Norm now contains the norm of Psi + A.X
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print *, k, "res : ", res, "norm : ", sqrt(norm)
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print *, "norm : ", sqrt(norm)
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enddo
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!---------------
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! double precision :: e_0, overlap
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! double precision, allocatable :: u_0(:)
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! integer(bit_kind), allocatable :: keys_tmp(:,:,:)
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! allocate (u_0(N_det), keys_tmp(N_int,2,N_det) )
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! k=0
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! overlap = 0.d0
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! do i=1,N_det_ref
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! k = k+1
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! u_0(k) = psi_ref_coef(i,1)
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! keys_tmp(:,:,k) = psi_ref(:,:,i)
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! overlap += u_0(k)*psi_ref_coef(i,1)
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! enddo
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! norm = 0.d0
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! do i=1,N_det_non_ref
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! k = k+1
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! u_0(k) = psi_non_ref_coef(i,1)
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! keys_tmp(:,:,k) = psi_non_ref(:,:,i)
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! overlap += u_0(k)*psi_non_ref_coef(i,1)
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! enddo
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!
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! call u_0_H_u_0(e_0,u_0,N_det,keys_tmp,N_int,1,N_det)
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! print *, 'Energy of |Psi_CASSD> : ', e_0 + nuclear_repulsion, overlap
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!
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! k=0
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! overlap = 0.d0
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! do i=1,N_det_ref
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! k = k+1
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! u_0(k) = psi_ref_coef(i,1)
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! keys_tmp(:,:,k) = psi_ref(:,:,i)
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! overlap += u_0(k)*psi_ref_coef(i,1)
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! enddo
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! norm = 0.d0
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! do i=1,N_det_non_ref
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! k = k+1
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! ! f is such that f.\tilde{c_i} = c_i
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! f = psi_non_ref_coef(i,1) / rho_mrcc(i,1)
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!
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! ! Avoid numerical instabilities
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! f = min(f,2.d0)
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! f = max(f,-2.d0)
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!
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! f = 1.d0
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!
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! u_0(k) = rho_mrcc(i,1)*f
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! keys_tmp(:,:,k) = psi_non_ref(:,:,i)
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! norm += u_0(k)**2
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! overlap += u_0(k)*psi_non_ref_coef(i,1)
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! enddo
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!
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! call u_0_H_u_0(e_0,u_0,N_det,keys_tmp,N_int,1,N_det)
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! print *, 'Energy of |(1+T)Psi_0> : ', e_0 + nuclear_repulsion, overlap
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!
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! f = 1.d0/norm
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! norm = 1.d0
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! do i=1,N_det_ref
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! norm = norm - psi_ref_coef(i,s)*psi_ref_coef(i,s)
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! enddo
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! f = dsqrt(f*norm)
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! overlap = norm
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! do i=1,N_det_non_ref
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! u_0(k) = rho_mrcc(i,1)*f
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! overlap += u_0(k)*psi_non_ref_coef(i,1)
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! enddo
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!
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! call u_0_H_u_0(e_0,u_0,N_det,keys_tmp,N_int,1,N_det)
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! print *, 'Energy of |(1+T)Psi_0> (normalized) : ', e_0 + nuclear_repulsion, overlap
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!
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! k=0
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! overlap = 0.d0
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! do i=1,N_det_ref
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! k = k+1
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! u_0(k) = psi_ref_coef(i,1)
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! keys_tmp(:,:,k) = psi_ref(:,:,i)
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! overlap += u_0(k)*psi_ref_coef(i,1)
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! enddo
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! norm = 0.d0
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! do i=1,N_det_non_ref
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! k = k+1
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! ! f is such that f.\tilde{c_i} = c_i
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! f = psi_non_ref_coef(i,1) / rho_mrcc(i,1)
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!
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! ! Avoid numerical instabilities
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! f = min(f,2.d0)
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! f = max(f,-2.d0)
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!
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! u_0(k) = rho_mrcc(i,1)*f
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! keys_tmp(:,:,k) = psi_non_ref(:,:,i)
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! norm += u_0(k)**2
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! overlap += u_0(k)*psi_non_ref_coef(i,1)
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! enddo
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!
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! call u_0_H_u_0(e_0,u_0,N_det,keys_tmp,N_int,1,N_det)
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! print *, 'Energy of |(1+T)Psi_0> (mu_i): ', e_0 + nuclear_repulsion, overlap
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!
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! f = 1.d0/norm
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! norm = 1.d0
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! do i=1,N_det_ref
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! norm = norm - psi_ref_coef(i,s)*psi_ref_coef(i,s)
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! enddo
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! overlap = norm
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! f = dsqrt(f*norm)
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! do i=1,N_det_non_ref
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! u_0(k) = rho_mrcc(i,1)*f
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! overlap += u_0(k)*psi_non_ref_coef(i,1)
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! enddo
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!
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! call u_0_H_u_0(e_0,u_0,N_det,keys_tmp,N_int,1,N_det)
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! print *, 'Energy of |(1+T)Psi_0> (normalized mu_i) : ', e_0 + nuclear_repulsion, overlap
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!
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! deallocate(u_0, keys_tmp)
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!
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!---------------
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do s=1,N_states
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norm = 0.d0
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double precision :: f
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do i=1,N_det_non_ref
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@ -937,12 +849,16 @@ END_PROVIDER
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rho_mrcc(i,s) = 1.d-32
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endif
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if (lambda_type == 2) then
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f = 1.d0
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else
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! f is such that f.\tilde{c_i} = c_i
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f = psi_non_ref_coef(i,s) / rho_mrcc(i,s)
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! Avoid numerical instabilities
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f = min(f,2.d0)
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f = max(f,-2.d0)
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endif
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norm = norm + f*f *rho_mrcc(i,s)*rho_mrcc(i,s)
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rho_mrcc(i,s) = f
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@ -977,7 +893,6 @@ END_PROVIDER
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! rho_mrcc now contains the product of the scaling factors and the
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! normalization constant
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dIj_unique(1:size(X), s) = X(1:size(X))
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end do
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END_PROVIDER
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@ -1018,6 +933,7 @@ double precision function get_dij_index(II, i, s, Nint)
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else if(lambda_type == 2) then
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call get_phase(psi_ref(1,1,II), psi_non_ref(1,1,i), phase, N_int)
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get_dij_index = get_dij(psi_ref(1,1,II), psi_non_ref(1,1,i), s, Nint) * phase
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get_dij_index = get_dij_index * rho_mrcc(i,s)
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end if
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end function
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