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qp2/plugins/local/tc_scf/combine_lr_tcscf.irp.f

76 lines
1.4 KiB
Fortran

! ---
program combine_lr_tcscf
BEGIN_DOC
! TODO : Put the documentation of the program here
END_DOC
implicit none
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
bi_ortho = .True.
touch bi_ortho
call comb_orbitals()
end
! ---
subroutine comb_orbitals()
implicit none
integer :: i, m, n, nn, mm
double precision :: accu_d, accu_nd
double precision, allocatable :: R(:,:), L(:,:), Rnew(:,:), tmp(:,:), S(:,:)
n = ao_num
m = mo_num
nn = elec_alpha_num
mm = m - nn
allocate(L(n,m), R(n,m), Rnew(n,m), S(m,m))
L = mo_l_coef
R = mo_r_coef
call check_weighted_biorthog(n, m, ao_overlap, L, R, accu_d, accu_nd, S, .true.)
allocate(tmp(n,nn))
do i = 1, nn
tmp(1:n,i) = R(1:n,i)
enddo
call impose_weighted_orthog_svd(n, nn, ao_overlap, tmp)
do i = 1, nn
Rnew(1:n,i) = tmp(1:n,i)
enddo
deallocate(tmp)
allocate(tmp(n,mm))
do i = 1, mm
tmp(1:n,i) = L(1:n,i+nn)
enddo
call impose_weighted_orthog_svd(n, mm, ao_overlap, tmp)
do i = 1, mm
Rnew(1:n,i+nn) = tmp(1:n,i)
enddo
deallocate(tmp)
call check_weighted_biorthog(n, m, ao_overlap, Rnew, Rnew, accu_d, accu_nd, S, .true.)
mo_r_coef = Rnew
call ezfio_set_bi_ortho_mos_mo_r_coef(mo_r_coef)
deallocate(L, R, Rnew, S)
end subroutine comb_orbitals
! ---