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QuantumPackage/src/fci_tc_bi/selectors.irp.f

116 lines
3.7 KiB
Fortran

use bitmasks
BEGIN_PROVIDER [ double precision, threshold_selectors ]
implicit none
BEGIN_DOC
! Thresholds on selectors (fraction of the square of the norm)
END_DOC
threshold_selectors = dsqrt(threshold_generators)
END_PROVIDER
BEGIN_PROVIDER [ integer, N_det_selectors]
implicit none
BEGIN_DOC
! For Single reference wave functions, the number of selectors is 1 : the
! Hartree-Fock determinant
END_DOC
integer :: i
double precision :: norm, norm_max
call write_time(6)
N_det_selectors = N_det
! norm = 1.d0
! do i=1,N_det
! norm = norm - psi_average_norm_contrib_tc(i)
! if (norm - 1.d-10 < 1.d0 - threshold_selectors) then
! N_det_selectors = i
! exit
! endif
! enddo
N_det_selectors = max(N_det_selectors,N_det_generators)
call write_int(6,N_det_selectors,'Number of selectors')
END_PROVIDER
BEGIN_PROVIDER [ integer(bit_kind), psi_selectors, (N_int,2,psi_selectors_size) ]
&BEGIN_PROVIDER [ double precision, psi_selectors_coef, (psi_selectors_size,N_states) ]
&BEGIN_PROVIDER [ double precision, psi_selectors_coef_tc, (psi_selectors_size,2,N_states) ]
implicit none
BEGIN_DOC
! Determinants on which we apply <i|H|psi> for perturbation.
END_DOC
integer :: i,k
do i=1,N_det_selectors
do k=1,N_int
psi_selectors(k,1,i) = psi_det_sorted_tc(k,1,i)
psi_selectors(k,2,i) = psi_det_sorted_tc(k,2,i)
! psi_selectors(k,2,i) = psi_det(k,2,i)
! psi_selectors(k,2,i) = psi_det(k,2,i)
enddo
enddo
print*,'selectors '
do k=1,N_states
do i=1,N_det_selectors
psi_selectors_coef(i,k) = psi_coef_sorted_tc_gen(i,k)
! psi_selectors_coef_tc(i,1,k) = psi_l_coef_bi_ortho(i,k)
! psi_selectors_coef_tc(i,2,k) = psi_r_coef_bi_ortho(i,k)
psi_selectors_coef_tc(i,1,k) = psi_l_coef_sorted_bi_ortho(i,k)
psi_selectors_coef_tc(i,2,k) = psi_r_coef_sorted_bi_ortho(i,k)
! call debug_det(psi_selectors(1,1,i),N_int)
if(N_det.ne.1)then
print*,'writing selectors'
write(34,*)psi_selectors(1,1,i),psi_selectors(1,2,i)
write(40,'(F10.7)')dabs(psi_selectors_coef_tc(i,1,1) * psi_selectors_coef_tc(i,2,1))
endif
! psi_selectors_coef_tc(i,1,k) = 1.d0
! psi_selectors_coef_tc(i,2,k) = 1.d0
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [ double precision, psi_selectors_coef_transp, (N_states,psi_selectors_size) ]
&BEGIN_PROVIDER [ double precision, psi_selectors_coef_transp_tc, (N_states,2,psi_selectors_size) ]
implicit none
BEGIN_DOC
! Transposed psi_selectors
END_DOC
integer :: i,k
do i=1,N_det_selectors
do k=1,N_states
psi_selectors_coef_transp(k,i) = psi_selectors_coef(i,k)
psi_selectors_coef_transp_tc(k,1,i) = psi_selectors_coef_tc(i,1,k)
psi_selectors_coef_transp_tc(k,2,i) = psi_selectors_coef_tc(i,2,k)
enddo
if(N_det.ne.1)then
write(41,'(F10.7)')dabs(psi_selectors_coef_transp_tc(1,1,i)*psi_selectors_coef_transp_tc(1,2,i))
endif
enddo
END_PROVIDER
BEGIN_PROVIDER [ double precision, psi_selectors_rcoef_bi_orth_transp, (N_states, psi_det_size) ]
&BEGIN_PROVIDER [ double precision, psi_selectors_lcoef_bi_orth_transp, (N_states, psi_det_size) ]
implicit none
integer :: i, k
psi_selectors_rcoef_bi_orth_transp = 0.d0
psi_selectors_lcoef_bi_orth_transp = 0.d0
print*,'N_det,N_det_selectors',N_det,N_det_selectors
do i = 1, N_det_selectors
do k = 1, N_states
psi_selectors_rcoef_bi_orth_transp(k,i) = psi_r_coef_sorted_bi_ortho(i,k)
psi_selectors_lcoef_bi_orth_transp(k,i) = psi_l_coef_sorted_bi_ortho(i,k)
enddo
enddo
END_PROVIDER
BEGIN_PROVIDER [ integer, psi_selectors_size ]
implicit none
psi_selectors_size = psi_det_size
END_PROVIDER