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QuantumPackage/src/tc_scf/tc_petermann_factor.irp.f
2023-07-02 21:49:25 +02:00

78 lines
1.6 KiB
Fortran

! ---
program tc_petermann_factor
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
call main()
end
! ---
subroutine main()
implicit none
integer :: i, j
double precision :: Pf_diag_av
double precision, allocatable :: Sl(:,:), Sr(:,:), Pf(:,:)
allocate(Sl(mo_num,mo_num), Sr(mo_num,mo_num), Pf(mo_num,mo_num))
call dgemm( "T", "N", mo_num, mo_num, ao_num, 1.d0 &
, mo_l_coef, size(mo_l_coef, 1), mo_l_coef, size(mo_l_coef, 1) &
, 0.d0, Sl, size(Sl, 1) )
print *, ''
print *, ' left-orthog matrix:'
do i = 1, mo_num
write(*,'(100(F8.4,X))') Sl(:,i)
enddo
call dgemm( "T", "N", mo_num, mo_num, ao_num, 1.d0 &
, mo_r_coef, size(mo_r_coef, 1), mo_r_coef, size(mo_r_coef, 1) &
, 0.d0, Sr, size(Sr, 1) )
print *, ''
print *, ' right-orthog matrix:'
do i = 1, mo_num
write(*,'(100(F8.4,X))') Sr(:,i)
enddo
print *, ''
print *, ' Petermann matrix:'
do i = 1, mo_num
do j = 1, mo_num
Pf(j,i) = Sl(j,i) * Sr(j,i)
enddo
write(*,'(100(F8.4,X))') Pf(:,i)
enddo
Pf_diag_av = 0.d0
do i = 1, mo_num
Pf_diag_av = Pf_diag_av + Pf(i,i)
enddo
Pf_diag_av = Pf_diag_av / dble(mo_num)
print *, ''
print *, ' mean of the diagonal Petermann factor = ', Pf_diag_av
deallocate(Sl, Sr, Pf)
return
end subroutine
! ---