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quantum_package/plugins/FOBOCI/create_1h_or_1p.irp.f

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subroutine create_restart_and_1h(i_hole)
implicit none
use bitmasks
integer, intent(in) :: i_hole
integer(bit_kind) :: key_tmp(N_int,2)
integer :: i,j,i_part_act,ispin,k,l,i_ok
integer :: n_new_det
integer(bit_kind), allocatable :: new_det(:,:,:)
integer(bit_kind), allocatable :: old_psi_det(:,:,:)
allocate (old_psi_det(N_int,2,n_det))
do i = 1, N_det
do j = 1, N_int
old_psi_det(j,1,i) = psi_det(j,1,i)
old_psi_det(j,2,i) = psi_det(j,2,i)
enddo
enddo
n_new_det = 0
do j = 1, n_act_orb
i_part_act = list_act(j) ! index of the particle in the active space
do i = 1, N_det
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole,i_part_act,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
enddo
enddo
enddo
integer :: N_det_old
N_det_old = N_det
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N_det += n_new_det
allocate (new_det(N_int,2,n_new_det))
if (psi_det_size < N_det) then
psi_det_size = N_det
TOUCH psi_det_size
endif
do i = 1, N_det_old
do k = 1, N_int
psi_det(k,1,i) = old_psi_det(k,1,i)
psi_det(k,2,i) = old_psi_det(k,2,i)
enddo
enddo
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n_new_det = 0
do j = 1, n_act_orb
i_part_act = list_act(j) ! index of the particle in the active space
do i = 1, N_det_old
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole,i_part_act,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
do k = 1, N_int
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psi_det(k,1,n_det_old+n_new_det) = key_tmp(k,1)
psi_det(k,2,n_det_old+n_new_det) = key_tmp(k,2)
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enddo
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psi_coef(n_det_old+n_new_det,:) = 0.d0
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enddo
enddo
enddo
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SOFT_TOUCH N_det psi_det psi_coef
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logical :: found_duplicates
if(n_act_orb.gt.1)then
call remove_duplicates_in_psi_det(found_duplicates)
endif
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end
subroutine create_restart_and_1p(i_particle)
implicit none
integer, intent(in) :: i_particle
use bitmasks
integer(bit_kind) :: key_tmp(N_int,2)
integer :: i,j,i_hole_act,ispin,k,l,i_ok
integer :: n_new_det
integer(bit_kind), allocatable :: new_det(:,:,:)
integer(bit_kind), allocatable :: old_psi_det(:,:,:)
allocate (old_psi_det(N_int,2,n_det))
do i = 1, N_det
do j = 1, N_int
old_psi_det(j,1,i) = psi_det(j,1,i)
old_psi_det(j,2,i) = psi_det(j,2,i)
enddo
enddo
n_new_det = 0
do j = 1, n_act_orb
i_hole_act = list_act(j) ! index of the particle in the active space
do i = 1, N_det
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole_act,i_particle,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
enddo
enddo
enddo
integer :: N_det_old
N_det_old = N_det
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N_det += n_new_det
allocate (new_det(N_int,2,n_new_det))
if (psi_det_size < N_det) then
psi_det_size = N_det
TOUCH psi_det_size
endif
do i = 1, N_det_old
do k = 1, N_int
psi_det(k,1,i) = old_psi_det(k,1,i)
psi_det(k,2,i) = old_psi_det(k,2,i)
enddo
enddo
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n_new_det = 0
do j = 1, n_act_orb
i_hole_act = list_act(j) ! index of the particle in the active space
do i = 1, N_det_old
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole_act,i_particle,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
do k = 1, N_int
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psi_det(k,1,n_det_old+n_new_det) = key_tmp(k,1)
psi_det(k,2,n_det_old+n_new_det) = key_tmp(k,2)
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enddo
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psi_coef(n_det_old+n_new_det,:) = 0.d0
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enddo
enddo
enddo
SOFT_TOUCH N_det psi_det psi_coef
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logical :: found_duplicates
call remove_duplicates_in_psi_det(found_duplicates)
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end
subroutine create_restart_1h_1p(i_hole,i_part)
implicit none
use bitmasks
integer, intent(in) :: i_hole
integer, intent(in) :: i_part
integer :: i,j,i_part_act,ispin,k,l,i_ok
integer(bit_kind) :: key_tmp(N_int,2)
integer :: n_new_det
integer(bit_kind), allocatable :: new_det(:,:,:)
integer(bit_kind), allocatable :: old_psi_det(:,:,:)
allocate (old_psi_det(N_int,2,n_det))
do i = 1, N_det
do j = 1, N_int
old_psi_det(j,1,i) = psi_det(j,1,i)
old_psi_det(j,2,i) = psi_det(j,2,i)
enddo
enddo
n_new_det = 0
i_part_act = i_part ! index of the particle in the active space
do i = 1, N_det
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole,i_part_act,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
enddo
enddo
integer :: N_det_old
N_det_old = N_det
N_det += n_new_det
allocate (new_det(N_int,2,n_new_det))
if (psi_det_size < N_det) then
psi_det_size = N_det
TOUCH psi_det_size
endif
do i = 1, N_det_old
do k = 1, N_int
psi_det(k,1,i) = old_psi_det(k,1,i)
psi_det(k,2,i) = old_psi_det(k,2,i)
enddo
enddo
n_new_det = 0
i_part_act = i_part ! index of the particle in the active space
do i = 1, N_det_old
do ispin = 1,2
do k = 1, N_int
key_tmp(k,1) = psi_det(k,1,i)
key_tmp(k,2) = psi_det(k,2,i)
enddo
call do_mono_excitation(key_tmp,i_hole,i_part_act,ispin,i_ok)
if(i_ok .ne. 1)cycle
n_new_det +=1
do k = 1, N_int
psi_det(k,1,n_det_old+n_new_det) = key_tmp(k,1)
psi_det(k,2,n_det_old+n_new_det) = key_tmp(k,2)
enddo
psi_coef(n_det_old+n_new_det,:) = 0.d0
enddo
enddo
SOFT_TOUCH N_det psi_det psi_coef
logical :: found_duplicates
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if(n_act_orb.gt.1)then
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call remove_duplicates_in_psi_det(found_duplicates)
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endif
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end