mirror of
https://github.com/LCPQ/quantum_package
synced 2024-12-23 04:43:50 +01:00
58 lines
1.3 KiB
Fortran
58 lines
1.3 KiB
Fortran
BEGIN_PROVIDER [ double precision, mo_coef_begin_iteration, (ao_num_align,mo_tot_num) ]
|
|
implicit none
|
|
BEGIN_DOC
|
|
! Alpha and beta one-body density matrix that will be used for the 1h1p approach
|
|
END_DOC
|
|
END_PROVIDER
|
|
|
|
subroutine initialize_mo_coef_begin_iteration
|
|
implicit none
|
|
mo_coef_begin_iteration = mo_coef
|
|
|
|
end
|
|
|
|
subroutine reorder_active_orb
|
|
implicit none
|
|
integer :: i,j,iorb
|
|
integer :: k,l
|
|
double precision, allocatable :: accu(:)
|
|
integer, allocatable :: index_active_orb(:),iorder(:)
|
|
double precision, allocatable :: mo_coef_tmp(:,:)
|
|
allocate(accu(mo_tot_num),index_active_orb(n_act_orb),iorder(mo_tot_num))
|
|
allocate(mo_coef_tmp(ao_num_align,mo_Tot_num))
|
|
|
|
|
|
do i = 1, n_act_orb
|
|
iorb = list_act(i)
|
|
do j = 1, mo_tot_num
|
|
accu(j) = 0.d0
|
|
iorder(j) = j
|
|
do k = 1, ao_num
|
|
do l = 1, ao_num
|
|
accu(j) += mo_coef_begin_iteration(k,iorb) * mo_coef(l,j) * ao_overlap(k,l)
|
|
enddo
|
|
enddo
|
|
accu(j) = -dabs(accu(j))
|
|
enddo
|
|
call dsort(accu,iorder,mo_tot_num)
|
|
index_active_orb(i) = iorder(1)
|
|
enddo
|
|
|
|
double precision :: x
|
|
integer :: i1,i2
|
|
print*, 'swapping the active MOs'
|
|
do j = 1, n_act_orb
|
|
i1 = list_act(j)
|
|
i2 = index_active_orb(j)
|
|
print*, i1,i2
|
|
do i=1,ao_num_align
|
|
x = mo_coef(i,i1)
|
|
mo_coef(i,i1) = mo_coef(i,i2)
|
|
mo_coef(i,i2) = x
|
|
enddo
|
|
enddo
|
|
|
|
deallocate(accu,index_active_orb, iorder)
|
|
end
|
|
|