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qp2/plugins/local/tc_bi_ortho/tc_bi_ortho.irp.f
2024-01-15 12:02:38 +01:00

112 lines
3.1 KiB
Fortran

program tc_bi_ortho
BEGIN_DOC
!
! TODO : Reads psi_det in the EZFIO folder and prints out the left- and right-eigenvectors together
! with the energy. Saves the left-right wave functions at the end.
!
END_DOC
my_grid_becke = .True.
PROVIDE tc_grid1_a tc_grid1_r
my_n_pt_r_grid = tc_grid1_r
my_n_pt_a_grid = tc_grid1_a
touch my_grid_becke my_n_pt_r_grid my_n_pt_a_grid
if(tc_integ_type .eq. "numeric") then
my_extra_grid_becke = .True.
PROVIDE tc_grid2_a tc_grid2_r
my_n_pt_r_extra_grid = tc_grid2_r
my_n_pt_a_extra_grid = tc_grid2_a
touch my_extra_grid_becke my_n_pt_r_extra_grid my_n_pt_a_extra_grid
call write_int(6, my_n_pt_r_extra_grid, 'radial internal grid over')
call write_int(6, my_n_pt_a_extra_grid, 'angular internal grid over')
endif
read_wf = .True.
touch read_wf
print*, ' nb of states = ', N_states
print*, ' nb of det = ', N_det
call routine_diag()
call write_tc_energy()
call save_tc_bi_ortho_wavefunction()
end
! ---
subroutine test()
use bitmasks
implicit none
integer :: i, j
double precision :: hmono, htwoe, hthree, htot
print*, 'reading the wave function '
do i = 1, N_det
call debug_det(psi_det(1,1,i), N_int)
print*, i, psi_l_coef_bi_ortho(i,1)*psi_r_coef_bi_ortho(i,1)
print*, i, psi_l_coef_bi_ortho(i,1),psi_r_coef_bi_ortho(i,1)
enddo
end
! ---
subroutine routine_diag()
implicit none
integer :: i, j, k
double precision :: dE
! provide eigval_right_tc_bi_orth
! provide overlap_bi_ortho
! provide htilde_matrix_elmt_bi_ortho
if(N_states .eq. 1) then
print*,'eigval_right_tc_bi_orth = ',eigval_right_tc_bi_orth(1)
print*,'e_tc_left_right = ',e_tc_left_right
print*,'e_tilde_bi_orth_00 = ',e_tilde_bi_orth_00
print*,'e_pt2_tc_bi_orth = ',e_pt2_tc_bi_orth
print*,'e_pt2_tc_bi_orth_single = ',e_pt2_tc_bi_orth_single
print*,'e_pt2_tc_bi_orth_double = ',e_pt2_tc_bi_orth_double
print*,'***'
print*,'e_corr_bi_orth = ',e_corr_bi_orth
print*,'e_corr_bi_orth_proj = ',e_corr_bi_orth_proj
print*,'e_corr_bi_orth_proj_abs = ',e_corr_bi_orth_proj_abs
print*,'e_corr_single_bi_orth = ',e_corr_single_bi_orth
print*,'e_corr_double_bi_orth = ',e_corr_double_bi_orth
print*,'e_corr_single_bi_orth_abs = ',e_corr_single_bi_orth_abs
print*,'e_corr_double_bi_orth_abs = ',e_corr_double_bi_orth_abs
print*,'Left/right eigenvectors'
do i = 1,N_det
write(*,'(I5,X,(100(F12.7,X)))')i,leigvec_tc_bi_orth(i,1),reigvec_tc_bi_orth(i,1),leigvec_tc_bi_orth(i,1)*reigvec_tc_bi_orth(i,1)
enddo
else
print*,'eigval_right_tc_bi_orth : '
do i = 1, N_states
print*, i, eigval_right_tc_bi_orth(i)
enddo
print*,''
print*,'******************************************************'
print*,'TC Excitation energies (au) (eV)'
do i = 2, N_states
dE = eigval_right_tc_bi_orth(i) - eigval_right_tc_bi_orth(1)
print*, i, dE, dE/0.0367502d0
enddo
print*,''
endif
end