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mirror of https://github.com/LCPQ/quantum_package synced 2024-09-27 03:51:01 +02:00

to be cleaned - addition mrcc

This commit is contained in:
Yann Garniron 2018-09-27 14:32:41 +02:00
parent 1d6de29c46
commit 65765b9261

View File

@ -1,3 +1,5 @@
use bitmasks
subroutine generator_start(i_gen, iproc, interesting)
implicit none
integer, intent(in) :: i_gen, iproc
@ -18,7 +20,9 @@ end subroutine
&BEGIN_PROVIDER [ double precision, sij_cache_, (N_det,Nproc) ]
&BEGIN_PROVIDER [ double precision, dIa_hla_, (N_states,N_det,Nproc) ]
&BEGIN_PROVIDER [ double precision, dIa_sla_, (N_states,N_det,Nproc) ]
&BEGIN_PROVIDER [ integer(bit_kind), sorted_mini, (N_int,2,N_det,Nproc) ]
&BEGIN_PROVIDER [ integer, excs_ , (0:2,2,2,N_det,Nproc) ]
&BEGIN_PROVIDER [ integer, idx_buf , (N_det, Nproc) ]
&BEGIN_PROVIDER [ double precision, phases_, (N_det, Nproc) ]
BEGIN_DOC
! temporay arrays for dress_with_alpha_buffer. Avoids reallocation.
@ -26,7 +30,126 @@ END_DOC
END_PROVIDER
subroutine dress_with_alpha_buffer(Nstates,Ndet,Nint,delta_ij_loc, i_gen, minilist, det_minilist, n_minilist, alpha, iproc)
BEGIN_PROVIDER [ integer(bit_kind), psi_ref_detsorted, (N_int,2,N_det_ref) ]
&BEGIN_PROVIDER [ integer, psi_ref_detsorted_idx, (N_det_ref) ]
implicit none
psi_ref_detsorted = psi_ref(:,:,:N_det_ref)
call sort_det(psi_ref_detsorted, psi_ref_detsorted_idx, N_det_ref, n_int)
END_PROVIDER
subroutine dress_with_alpha_buffer(Nstates, Ndet,Nint,delta_ij_loc, i_gen, minilist, det_minilist, n_minilist, alpha, iproc)
use bitmasks
implicit none
BEGIN_DOC
!delta_ij_loc(:,:,1) : dressing column for H
!delta_ij_loc(:,:,2) : dressing column for S2
!i_gen : generator index in psi_det_generators
!minilist : indices of determinants connected to alpha ( in psi_det )
!n_minilist : size of minilist
!alpha : alpha determinant
END_DOC
integer, intent(in) :: Nint, Ndet, Nstates, n_minilist, iproc, i_gen
integer(bit_kind), intent(in) :: alpha(Nint,2), det_minilist(Nint, 2, n_minilist)
integer,intent(in) :: minilist(n_minilist)
integer(bit_kind) :: dettmp(Nint,2), tmp
double precision, intent(inout) :: delta_ij_loc(Nstates,N_det,2)
double precision :: hij, sij
double precision, external :: diag_H_mat_elem_fock
double precision :: c_alpha(N_states)
double precision :: hdress, sdress
integer :: i, l_sd, j, k, i_I, s, ni
logical :: ok
double precision :: phase, phase2
integer :: degree, exc(0:2,2,2)
integer(8), save :: diamond = 0
if(n_minilist == 1) return
!check if not linked to reference
do i=1,n_minilist
if(idx_non_ref_rev(minilist(i)) == 0) then
return
end if
end do
sorted_mini(:,:,:n_minilist,iproc) = det_minilist(:,:,:)
call sort_det(sorted_mini(1,1,1,iproc), idx_buf(1,iproc), n_minilist, nint)
c_alpha = 0d0
do i=1,n_minilist
!call get_excitation_degree(alpha, psi_ref(1,1,i_I), degree, nint)
!if(degree > 4) cycle
do s=1,2
do ni=1,nint
dettmp(ni,s) = alpha(ni,s)-sorted_mini(ni,s,i,iproc)
end do
end do
i_I=1
j=i+1
diamondloop : do while(i_I <= N_det_ref .and. j <= n_minilist)
do s=1,2
do ni=nint,1,-1
if(sorted_mini(ni,s,j,iproc) - psi_ref_detsorted(ni,s,i_I) > dettmp(ni,s)) then
i_I += 1
cycle diamondloop
else if(sorted_mini(ni,s,j,iproc) - psi_ref_detsorted(ni,s,i_I) < dettmp(ni,s)) then
j += 1
cycle diamondloop
end if
end do
end do
!check potential diamond found
do s=1,2
do ni=1,nint
tmp = ieor(sorted_mini(ni,s,i,iproc), sorted_mini(ni,s,j,iproc))
tmp = ieor(tmp, psi_ref_detsorted(ni,s,i_I))
tmp = ieor(tmp, alpha(ni,s))
if(tmp /= 0_8) then
!print *, "fake diamond spotted"
!i_I += 1
j += 1
cycle diamondloop
end if
end do
end do
!diamond += 1
!if(mod(diamond,100000) == 1) print *, "diam", diamond
!diamond found
if(det_minilist(1,1,idx_buf(j,iproc)) /= sorted_mini(1,1,j,iproc)) stop "STOOPE"
call get_excitation(psi_ref_detsorted(1,1,i_I),det_minilist(1,1,idx_buf(j,iproc)),exc,degree,phase,Nint)
call get_excitation(alpha,det_minilist(1,1,idx_buf(i,iproc)),exc,degree,phase2,Nint)
do s=1,Nstates
c_alpha(s) += psi_ref_coef(psi_ref_detsorted_idx(i_I), s) * dij(psi_ref_detsorted_idx(i_I), idx_non_ref_rev(minilist(idx_buf(i,iproc))), s) &
* dij(psi_ref_detsorted_idx(i_I), idx_non_ref_rev(minilist(idx_buf(j,iproc))), s) * phase * phase2
end do
!i_I += 1
j += 1
end do diamondloop
end do
if(maxval(c_alpha) == 0d0 .and. minval(c_alpha) == 0d0) return
do i=1,n_minilist
call i_h_j_s2(alpha,det_minilist(1,1,i),N_int,hij, sij)
do s=1,Nstates
hdress = c_alpha(s) * hij
sdress = c_alpha(s) * sij
delta_ij_loc(s, minilist(i), 1) += hdress
delta_ij_loc(s, minilist(i), 2) += sdress
end do
end do
end subroutine
subroutine dress_with_alpha_buffer_neu(Nstates,Ndet,Nint,delta_ij_loc, i_gen, minilist, det_minilist, n_minilist, alpha, iproc)
use bitmasks
implicit none
BEGIN_DOC
@ -50,8 +173,9 @@ subroutine dress_with_alpha_buffer(Nstates,Ndet,Nint,delta_ij_loc, i_gen, minili
logical :: ok
double precision :: phase, phase2
integer :: degree, exc(0:2,2,2)
integer(8), save :: diamond = 0
if(n_minilist == 1) return
!chekc actutally not linked to reference
!check if not linked to reference
do i=1,n_minilist
if(idx_non_ref_rev(minilist(i)) == 0) then
return
@ -61,6 +185,9 @@ subroutine dress_with_alpha_buffer(Nstates,Ndet,Nint,delta_ij_loc, i_gen, minili
c_alpha = 0d0
do i_I=1,N_det_ref
call get_excitation_degree(alpha, psi_ref(1,1,i_I), degree, nint)
if(degree > 4) cycle
do i=1,n_minilist
diamondloop : do j=i+1,n_minilist
do s=1,2
@ -72,6 +199,8 @@ subroutine dress_with_alpha_buffer(Nstates,Ndet,Nint,delta_ij_loc, i_gen, minili
end do
end do
!diamond found
diamond += 1
if(mod(diamond,10000) == 1) print *, "diam", diamond
call get_excitation(psi_ref(1,1,i_I),det_minilist(1,1,j),exc,degree,phase,Nint)
call get_excitation(alpha,det_minilist(1,1,i),exc,degree,phase2,Nint)