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qp_plugins_scemama/devel/svdwf/SVD_rank.irp.f
2021-11-02 16:18:07 +01:00

63 lines
1.7 KiB
Fortran

program SVD_rank
BEGIN_DOC
! rank SVD
END_DOC
implicit none
read_wf = .True.
TOUCH read_wf
call run()
end
subroutine run
implicit none
integer :: mm, nn, mn, i_state, low_r
double precision, allocatable :: Uezf_FSVD(:,:,:), Dezf_FSVD(:,:), Vezf_FSVD(:,:,:)
double precision, allocatable :: Uezf_TSVD(:,:,:), Dezf_TSVD(:,:), Vezf_TSVD(:,:,:)
i_state = 1
mm = n_det_alpha_unique
nn = n_det_beta_unique
mn = min(mm,nn)
! read TSVD
allocate( Uezf_FSVD(mm,mm,1), Dezf_FSVD(mn,1), Vezf_FSVD(nn,nn,1) )
call ezfio_get_spindeterminants_psi_svd_alpha(Uezf_FSVD)
call ezfio_get_spindeterminants_psi_svd_beta (Vezf_FSVD)
call ezfio_get_spindeterminants_psi_svd_coefs(Dezf_FSVD)
! new TSVD
low_r = 100
call ezfio_set_spindeterminants_n_svd_coefs(low_r)
Dezf_TSVD( 1:low_r,1) = Dezf_FSVD( 1:low_r,1)
Uezf_TSVD(1:mm,1:low_r,1) = Uezf_FSVD(1:mm,1:low_r,1)
Vezf_TSVD(1:nn,1:low_r,1) = Vezf_FSVD(1:nn,1:low_r,1)
deallocate( Uezf_FSVD, Dezf_FSVD, Vezf_FSVD )
call ezfio_set_spindeterminants_psi_svd_alpha(Uezf_TSVD)
call ezfio_set_spindeterminants_psi_svd_beta (Vezf_TSVD)
call ezfio_set_spindeterminants_psi_svd_coefs(Dezf_TSVD)
deallocate( Uezf_TSVD, Dezf_TSVD, Vezf_TSVD )
!call ezfio_set_spindeterminants_n_det(N_det)
!call ezfio_set_spindeterminants_n_states(N_states)
!call ezfio_set_spindeterminants_n_det_alpha(n_det_alpha_unique)
!call ezfio_set_spindeterminants_n_det_beta(n_det_beta_unique)
!call ezfio_set_spindeterminants_psi_coef_matrix_rows(psi_bilinear_matrix_rows)
!call ezfio_set_spindeterminants_psi_coef_matrix_columns(psi_bilinear_matrix_columns)
!call ezfio_set_spindeterminants_psi_coef_matrix_values(psi_bilinear_matrix_values)
end