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qp2/plugins/local/tc_bi_ortho/test_tc_fock.irp.f
2024-05-01 23:10:18 +02:00

172 lines
3.8 KiB
Fortran

! ---
program test_tc_fock
BEGIN_DOC
! TODO : Put the documentation of the program here
END_DOC
implicit none
print *, 'Hello world'
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
read_wf = .True.
touch read_wf
!call routine_1
!call routine_2
! call routine_3()
call routine_tot
end
! ---
subroutine routine_3()
use bitmasks ! you need to include the bitmasks_module.f90 features
implicit none
integer :: i, a, i_ok, s1
double precision :: hmono, htwoe, hthree, htilde_ij
double precision :: err_ai, err_tot, ref, new
integer(bit_kind), allocatable :: det_i(:,:)
allocate(det_i(N_int,2))
err_tot = 0.d0
do s1 = 1, 2
det_i = ref_bitmask
call debug_det(det_i, N_int)
print*, ' HF det'
call debug_det(det_i, N_int)
do i = 1, elec_num_tab(s1)
do a = elec_num_tab(s1)+1, mo_num ! virtual
det_i = ref_bitmask
call do_single_excitation(det_i, i, a, s1, i_ok)
if(i_ok == -1) then
print*, 'PB !!'
print*, i, a
stop
endif
print*, ' excited det'
call debug_det(det_i, N_int)
call htilde_mu_mat_bi_ortho_slow(det_i, ref_bitmask, N_int, hmono, htwoe, hthree, htilde_ij)
if(dabs(hthree).lt.1.d-10)cycle
ref = hthree
if(s1 == 1)then
new = fock_a_tot_3e_bi_orth(a,i)
else if(s1 == 2)then
new = fock_b_tot_3e_bi_orth(a,i)
endif
err_ai = dabs(dabs(ref) - dabs(new))
if(err_ai .gt. 1d-7) then
print*,'s1 = ',s1
print*, ' warning on', i, a
print*, ref,new,err_ai
endif
print*, ref,new,err_ai
err_tot += err_ai
write(22, *) htilde_ij
enddo
enddo
enddo
print *, ' err_tot = ', err_tot
deallocate(det_i)
end subroutine routine_3
! ---
subroutine routine_tot()
use bitmasks ! you need to include the bitmasks_module.f90 features
implicit none
integer :: i, a, i_ok, s1,other_spin(2)
double precision :: hmono, htwoe, hthree, htilde_ij
double precision :: err_ai, err_tot, ref, new
integer(bit_kind), allocatable :: det_i(:,:)
allocate(det_i(N_int,2))
other_spin(1) = 2
other_spin(2) = 1
err_tot = 0.d0
! do s1 = 1, 2
s1 = 2
det_i = ref_bitmask
call debug_det(det_i, N_int)
print*, ' HF det'
call debug_det(det_i, N_int)
! do i = 1, elec_num_tab(s1)
! do a = elec_num_tab(s1)+1, mo_num ! virtual
do i = 1, elec_beta_num
do a = elec_beta_num+1, mo_num! virtual
print*,i,a
det_i = ref_bitmask
call do_single_excitation(det_i, i, a, s1, i_ok)
if(i_ok == -1) then
print*, 'PB !!'
print*, i, a
stop
endif
call htilde_mu_mat_bi_ortho_slow(det_i, ref_bitmask, N_int, hmono, htwoe, hthree, htilde_ij)
print*,htilde_ij
! if(dabs(htilde_ij).lt.1.d-10)cycle
print*, ' excited det'
call debug_det(det_i, N_int)
if(s1 == 1)then
new = Fock_matrix_tc_mo_alpha(a,i)
else
new = Fock_matrix_tc_mo_beta(a,i)
endif
ref = htilde_ij
! if(s1 == 1)then
! new = fock_a_tot_3e_bi_orth(a,i)
! else if(s1 == 2)then
! new = fock_b_tot_3e_bi_orth(a,i)
! endif
err_ai = dabs(dabs(ref) - dabs(new))
if(err_ai .gt. 1d-7) then
print*,'---------'
print*,'s1 = ',s1
print*, ' warning on', i, a
print*, ref,new,err_ai
print*,hmono, htwoe, hthree
print*,'---------'
endif
print*, ref,new,err_ai
err_tot += err_ai
write(22, *) htilde_ij
enddo
enddo
! enddo
print *, ' err_tot = ', err_tot
deallocate(det_i)
end subroutine routine_3