9
1
mirror of https://github.com/QuantumPackage/qp2.git synced 2024-12-22 03:23:29 +01:00
qp2/src/tc_scf/tc_scf.irp.f
2023-03-14 21:18:19 +01:00

97 lines
2.0 KiB
Fortran

! ---
program tc_scf
BEGIN_DOC
! TODO : Put the documentation of the program here
END_DOC
implicit none
print *, ' starting ...'
my_grid_becke = .True.
my_n_pt_r_grid = 30
my_n_pt_a_grid = 50
! my_n_pt_r_grid = 10 ! small grid for quick debug
! my_n_pt_a_grid = 26 ! small grid for quick debug
touch my_grid_becke my_n_pt_r_grid my_n_pt_a_grid
PROVIDE mu_erf
print *, ' mu = ', mu_erf
PROVIDE j1b_type
print *, ' j1b_type = ', j1b_type
print *, j1b_pen
!call create_guess()
!call orthonormalize_mos()
PROVIDE tcscf_algorithm
PROVIDE var_tc
if(var_tc) then
print *, ' VAR-TC'
if(tcscf_algorithm == 'DIIS') then
print*, ' NOT implemented yet'
elseif(tcscf_algorithm == 'Simple') then
call rh_vartcscf_simple()
else
print *, ' not implemented yet', tcscf_algorithm
stop
endif
else
if(tcscf_algorithm == 'DIIS') then
call rh_tcscf_diis()
elseif(tcscf_algorithm == 'Simple') then
call rh_tcscf_simple()
else
print *, ' not implemented yet', tcscf_algorithm
stop
endif
call minimize_tc_orb_angles()
call print_energy_and_mos()
endif
end
! ---
subroutine create_guess()
implicit none
logical :: exists
PROVIDE ezfio_filename
!call ezfio_has_mo_basis_mo_coef(exists)
exists = .false.
if(.not.exists) then
mo_label = 'Guess'
if(mo_guess_type == "HCore") then
mo_coef = ao_ortho_lowdin_coef
call restore_symmetry(ao_num, mo_num, mo_coef, size(mo_coef, 1), 1.d-10)
TOUCH mo_coef
call mo_as_eigvectors_of_mo_matrix(mo_one_e_integrals, size(mo_one_e_integrals, 1), size(mo_one_e_integrals, 2), mo_label, 1, .false.)
call restore_symmetry(ao_num, mo_num, mo_coef, size(mo_coef, 1), 1.d-10)
SOFT_TOUCH mo_coef
elseif (mo_guess_type == "Huckel") then
call huckel_guess
else
print *, 'Unrecognized MO guess type : '//mo_guess_type
stop 1
endif
SOFT_TOUCH mo_label
endif
end subroutine create_guess
! ---