LCOV - code coverage report
Current view: top level - src/subsys - external_potential_types.F (source / functions) Hit Total Coverage
Test: CP2K Regtests (git:2fce0f8) Lines: 1113 1363 81.7 %
Date: 2024-12-21 06:28:57 Functions: 34 45 75.6 %

          Line data    Source code
       1             : !--------------------------------------------------------------------------------------------------!
       2             : !   CP2K: A general program to perform molecular dynamics simulations                              !
       3             : !   Copyright 2000-2024 CP2K developers group <https://cp2k.org>                                   !
       4             : !                                                                                                  !
       5             : !   SPDX-License-Identifier: GPL-2.0-or-later                                                      !
       6             : !--------------------------------------------------------------------------------------------------!
       7             : 
       8             : ! **************************************************************************************************
       9             : !> \brief Definition of the atomic potential types.
      10             : !> \par History
      11             : !>      GT, 22.09.2002: added elp_potential_types
      12             : !> \author Matthias Krack (04.07.2000)
      13             : ! **************************************************************************************************
      14             : MODULE external_potential_types
      15             : 
      16             :    USE ao_util,                         ONLY: exp_radius
      17             :    USE bibliography,                    ONLY: Goedecker1996,&
      18             :                                               Hartwigsen1998,&
      19             :                                               Krack2000,&
      20             :                                               Krack2005,&
      21             :                                               cite_reference
      22             :    USE cp_linked_list_input,            ONLY: cp_sll_val_next,&
      23             :                                               cp_sll_val_type
      24             :    USE cp_parser_methods,               ONLY: parser_get_next_line,&
      25             :                                               parser_get_object,&
      26             :                                               parser_search_string,&
      27             :                                               parser_test_next_token
      28             :    USE cp_parser_types,                 ONLY: cp_parser_type,&
      29             :                                               parser_create,&
      30             :                                               parser_release
      31             :    USE input_section_types,             ONLY: section_vals_get,&
      32             :                                               section_vals_list_get,&
      33             :                                               section_vals_type,&
      34             :                                               section_vals_val_set
      35             :    USE input_val_types,                 ONLY: val_get,&
      36             :                                               val_type
      37             :    USE kinds,                           ONLY: default_path_length,&
      38             :                                               default_string_length,&
      39             :                                               dp
      40             :    USE mathconstants,                   ONLY: dfac,&
      41             :                                               fac,&
      42             :                                               pi,&
      43             :                                               rootpi
      44             :    USE mathlib,                         ONLY: symmetrize_matrix
      45             :    USE memory_utilities,                ONLY: reallocate
      46             :    USE message_passing,                 ONLY: mp_para_env_type
      47             :    USE orbital_pointers,                ONLY: co,&
      48             :                                               coset,&
      49             :                                               init_orbital_pointers,&
      50             :                                               nco,&
      51             :                                               ncoset,&
      52             :                                               nso
      53             :    USE orbital_transformation_matrices, ONLY: orbtramat
      54             :    USE periodic_table,                  ONLY: ptable
      55             :    USE string_utilities,                ONLY: remove_word,&
      56             :                                               uppercase
      57             : #include "../base/base_uses.f90"
      58             : 
      59             :    IMPLICIT NONE
      60             : 
      61             :    PRIVATE
      62             : 
      63             :    ! Global parameters
      64             : 
      65             :    CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'external_potential_types'
      66             : 
      67             :    ! Define the all-electron potential type
      68             :    ! Literature: M. Krack and M. Parrinello,
      69             :    !             Phys. Chem. Chem. Phys. 2, 2105 (2000)
      70             :    TYPE all_potential_type
      71             :       !MK PRIVATE
      72             :       CHARACTER(LEN=default_string_length)   :: name = ""
      73             :       CHARACTER(LEN=default_string_length), &
      74             :          DIMENSION(2)                        :: description = ["All-electron potential                ", &
      75             :                                                                "Krack, Parrinello, PCCP 2, 2105 (2000)"]
      76             :       REAL(KIND=dp)                          :: alpha_core_charge = 0.0_dp, &
      77             :                                                 ccore_charge = 0.0_dp, &
      78             :                                                 core_charge_radius = 0.0_dp, &
      79             :                                                 zeff = 0.0_dp, zeff_correction = 0.0_dp
      80             :       INTEGER                                :: z = 0
      81             :       INTEGER, DIMENSION(:), POINTER         :: elec_conf => NULL()
      82             :    END TYPE all_potential_type
      83             : 
      84             :    ! Define the effective charge & inducible dipole potential type (for Fist)
      85             :    TYPE fist_potential_type
      86             :       PRIVATE
      87             :       CHARACTER(LEN=default_string_length)     :: name = ""
      88             :       CHARACTER(LEN=default_string_length), &
      89             :          DIMENSION(1)                        :: description = "Effective charge and inducible dipole potential"
      90             :       REAL(KIND=dp)                          :: apol = 0.0_dp, cpol = 0.0_dp, mm_radius = 0.0_dp, qeff = 0.0_dp, &
      91             :                                                 qmmm_corr_radius = 0.0_dp, qmmm_radius = 0.0_dp
      92             : 
      93             :    END TYPE fist_potential_type
      94             : 
      95             :    ! Local potential type
      96             :    ! V(r) = SUM_i exp(0.5*(r/rci)**2) * ( C1i + C2i (r/rci)**2 + C3i (r/rci)**4 ...)
      97             :    ! alpha = 0.5/rci**2
      98             :    TYPE local_potential_type
      99             :       !PRIVATE
     100             :       CHARACTER(LEN=default_string_length)       :: name = ""
     101             :       CHARACTER(LEN=default_string_length), &
     102             :          DIMENSION(4)                          :: description = "Local short-range pseudopotential"
     103             :       INTEGER                                  :: ngau = 0, npol = 0
     104             :       REAL(KIND=dp)                            :: radius = 0.0_dp
     105             :       REAL(KIND=dp), DIMENSION(:), POINTER     :: alpha => NULL()
     106             :       REAL(KIND=dp), DIMENSION(:, :), POINTER   :: cval => NULL()
     107             :    END TYPE local_potential_type
     108             : 
     109             :    ! Define the GTH potential type
     110             :    ! Literature: - S. Goedecker, M. Teter and J. Hutter,
     111             :    !               Phys. Rev. B 54, 1703 (1996)
     112             :    !             - C. Hartwigsen, S. Goedecker and J. Hutter,
     113             :    !               Phys. Rev. B 58, 3641 (1998)
     114             :    !             - M. Krack,
     115             :    !               Theor. Chem. Acc. 114, 145 (2005)
     116             :    TYPE gth_potential_type
     117             :       CHARACTER(LEN=default_string_length)       :: name = ""
     118             :       CHARACTER(LEN=default_string_length)       :: aliases = ""
     119             :       CHARACTER(LEN=default_string_length), &
     120             :          DIMENSION(4)                            :: description = ["Goedecker-Teter-Hutter pseudopotential", &
     121             :                                                                    "Goedecker et al., PRB 54, 1703 (1996) ", &
     122             :                                                                    "Hartwigsen et al., PRB 58, 3641 (1998)", &
     123             :                                                                    "Krack, TCA 114, 145 (2005)            "]
     124             :       REAL(KIND=dp)                              :: alpha_core_charge = 0.0_dp, &
     125             :                                                     alpha_ppl = 0.0_dp, &
     126             :                                                     ccore_charge = 0.0_dp, &
     127             :                                                     cerf_ppl = 0.0_dp, &
     128             :                                                     zeff = 0.0_dp, &
     129             :                                                     core_charge_radius = 0.0_dp, &
     130             :                                                     ppl_radius = 0.0_dp, &
     131             :                                                     ppnl_radius = 0.0_dp, &
     132             :                                                     zeff_correction = 0.0_dp
     133             :       INTEGER                                    :: lppnl = 0, &
     134             :                                                     lprj_ppnl_max = 0, &
     135             :                                                     nexp_ppl = 0, &
     136             :                                                     nppnl = 0, &
     137             :                                                     nprj_ppnl_max = 0, z = 0
     138             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: alpha_ppnl => NULL(), &
     139             :                                                     cexp_ppl => NULL()
     140             :       INTEGER, DIMENSION(:), POINTER             :: elec_conf => NULL()
     141             :       ! Non-local projectors
     142             :       INTEGER, DIMENSION(:), POINTER             :: nprj_ppnl => NULL()
     143             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: cprj => NULL(), &
     144             :                                                     cprj_ppnl => NULL(), &
     145             :                                                     vprj_ppnl => NULL(), &
     146             :                                                     wprj_ppnl => NULL()
     147             :       REAL(KIND=dp), DIMENSION(:, :, :), POINTER :: hprj_ppnl => NULL(), &
     148             :                                                     kprj_ppnl => NULL()
     149             :       ! Type extensions
     150             :       ! Spin-orbit coupling (SOC) parameters
     151             :       LOGICAL                                    :: soc = .FALSE.
     152             :       ! NLCC
     153             :       LOGICAL                                    :: nlcc = .FALSE.
     154             :       INTEGER                                    :: nexp_nlcc = 0
     155             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: alpha_nlcc => NULL()
     156             :       INTEGER, DIMENSION(:), POINTER             :: nct_nlcc => NULL()
     157             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: cval_nlcc => NULL()
     158             :       ! LSD potential
     159             :       LOGICAL                                    :: lsdpot = .FALSE.
     160             :       INTEGER                                    :: nexp_lsd = 0
     161             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: alpha_lsd => NULL()
     162             :       INTEGER, DIMENSION(:), POINTER             :: nct_lsd => NULL()
     163             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: cval_lsd => NULL()
     164             :       ! Extended local potential
     165             :       LOGICAL                                    :: lpotextended = .FALSE.
     166             :       INTEGER                                    :: nexp_lpot = 0
     167             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: alpha_lpot => NULL()
     168             :       INTEGER, DIMENSION(:), POINTER             :: nct_lpot => NULL()
     169             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: cval_lpot => NULL()
     170             :    END TYPE gth_potential_type
     171             : 
     172             :    TYPE sgp_potential_type
     173             :       CHARACTER(LEN=default_string_length)       :: name = ""
     174             :       CHARACTER(LEN=default_string_length)       :: aliases = ""
     175             :       CHARACTER(LEN=default_string_length), &
     176             :          DIMENSION(4)                            :: description = ["Separable Gaussian pseudopotential                      ", &
     177             :                                                                    "M. Pelissier, N. Komiha, J.P. Daudey, JCC, 9, 298 (1988)", &
     178             :                                                                    "create from                                             ", &
     179             :                                                                    "                                                        "]
     180             :       ! CHARGE
     181             :       INTEGER                                    :: z = 0
     182             :       REAL(KIND=dp)                              :: zeff = 0.0_dp, &
     183             :                                                     zeff_correction = 0.0_dp
     184             :       REAL(KIND=dp)                              :: alpha_core_charge = 0.0_dp, &
     185             :                                                     ccore_charge = 0.0_dp, &
     186             :                                                     core_charge_radius = 0.0_dp
     187             :       REAL(KIND=dp)                              :: ppl_radius = 0.0_dp, ppnl_radius = 0.0_dp
     188             :       INTEGER, DIMENSION(:), POINTER             :: elec_conf => NULL()
     189             :       ! LOCAL
     190             :       LOGICAL                                    :: ecp_local = .FALSE.
     191             :       INTEGER                                    :: n_local = 0
     192             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: a_local => Null()
     193             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: c_local => Null()
     194             :       ! ECP local
     195             :       INTEGER                                    :: nloc = 0 ! # terms
     196             :       INTEGER, DIMENSION(1:10)                   :: nrloc = 0 ! r**(n-2)
     197             :       REAL(dp), DIMENSION(1:10)                  :: aloc = 0.0_dp ! coefficient
     198             :       REAL(dp), DIMENSION(1:10)                  :: bloc = 0.0_dp ! exponent
     199             :       ! ECP semi-local
     200             :       LOGICAL                                    :: ecp_semi_local = .FALSE.
     201             :       INTEGER                                    :: sl_lmax = 0
     202             :       INTEGER, DIMENSION(0:10)                   :: npot = 0 ! # terms
     203             :       INTEGER, DIMENSION(1:15, 0:10)             :: nrpot = 0 ! r**(n-2)
     204             :       REAL(dp), DIMENSION(1:15, 0:10)            :: apot = 0.0_dp ! coefficient
     205             :       REAL(dp), DIMENSION(1:15, 0:10)            :: bpot = 0.0_dp ! exponent
     206             :       ! NON-LOCAL
     207             :       INTEGER                                    :: n_nonlocal = 0
     208             :       INTEGER                                    :: nppnl = 0
     209             :       INTEGER                                    :: lmax = -1
     210             :       LOGICAL, DIMENSION(0:5)                    :: is_nonlocal = .FALSE.
     211             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: a_nonlocal => Null()
     212             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: h_nonlocal => Null()
     213             :       REAL(KIND=dp), DIMENSION(:, :, :), POINTER :: c_nonlocal => Null()
     214             :       REAL(KIND=dp), DIMENSION(:, :), POINTER    :: cprj_ppnl => NULL()
     215             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: vprj_ppnl => NULL()
     216             :       ! NLCC
     217             :       LOGICAL                                    :: has_nlcc = .FALSE.
     218             :       INTEGER                                    :: n_nlcc = 0
     219             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: a_nlcc => Null()
     220             :       REAL(KIND=dp), DIMENSION(:), POINTER       :: c_nlcc => Null()
     221             :    END TYPE sgp_potential_type
     222             : 
     223             :    TYPE all_potential_p_type
     224             :       TYPE(all_potential_type), POINTER          :: all_potential => NULL()
     225             :    END TYPE all_potential_p_type
     226             : 
     227             :    TYPE gth_potential_p_type
     228             :       TYPE(gth_potential_type), POINTER          :: gth_potential => NULL()
     229             :    END TYPE gth_potential_p_type
     230             : 
     231             :    TYPE local_potential_p_type
     232             :       TYPE(local_potential_type), POINTER        :: local_potential => NULL()
     233             :    END TYPE local_potential_p_type
     234             : 
     235             :    TYPE sgp_potential_p_type
     236             :       TYPE(sgp_potential_type), POINTER          :: sgp_potential => NULL()
     237             :    END TYPE sgp_potential_p_type
     238             : 
     239             :    ! Public subroutines
     240             :    PUBLIC :: allocate_potential, &
     241             :              deallocate_potential, &
     242             :              get_potential, &
     243             :              init_potential, &
     244             :              read_potential, &
     245             :              set_potential, &
     246             :              set_default_all_potential, &
     247             :              write_potential, &
     248             :              copy_potential
     249             : 
     250             :    ! Public data types
     251             : 
     252             :    PUBLIC :: all_potential_type, &
     253             :              fist_potential_type, &
     254             :              local_potential_type, &
     255             :              gth_potential_type, &
     256             :              sgp_potential_type
     257             :    PUBLIC :: gth_potential_p_type, &
     258             :              sgp_potential_p_type
     259             : 
     260             :    INTERFACE allocate_potential
     261             :       MODULE PROCEDURE allocate_all_potential, &
     262             :          allocate_fist_potential, &
     263             :          allocate_local_potential, &
     264             :          allocate_gth_potential, &
     265             :          allocate_sgp_potential
     266             :    END INTERFACE
     267             : 
     268             :    INTERFACE deallocate_potential
     269             :       MODULE PROCEDURE deallocate_all_potential, &
     270             :          deallocate_fist_potential, &
     271             :          deallocate_local_potential, &
     272             :          deallocate_sgp_potential, &
     273             :          deallocate_gth_potential
     274             :    END INTERFACE
     275             : 
     276             :    INTERFACE get_potential
     277             :       MODULE PROCEDURE get_all_potential, &
     278             :          get_fist_potential, &
     279             :          get_local_potential, &
     280             :          get_gth_potential, &
     281             :          get_sgp_potential
     282             :    END INTERFACE
     283             : 
     284             :    INTERFACE init_potential
     285             :       MODULE PROCEDURE init_all_potential, &
     286             :          init_gth_potential, &
     287             :          init_sgp_potential
     288             :    END INTERFACE
     289             : 
     290             :    INTERFACE read_potential
     291             :       MODULE PROCEDURE read_all_potential, &
     292             :          read_local_potential, &
     293             :          read_gth_potential
     294             :    END INTERFACE
     295             : 
     296             :    INTERFACE set_potential
     297             :       MODULE PROCEDURE set_all_potential, &
     298             :          set_fist_potential, &
     299             :          set_local_potential, &
     300             :          set_gth_potential, &
     301             :          set_sgp_potential
     302             :    END INTERFACE
     303             : 
     304             :    INTERFACE write_potential
     305             :       MODULE PROCEDURE write_all_potential, &
     306             :          write_local_potential, &
     307             :          write_gth_potential, &
     308             :          write_sgp_potential
     309             :    END INTERFACE
     310             : 
     311             :    INTERFACE copy_potential
     312             :       MODULE PROCEDURE copy_all_potential, &
     313             :          copy_gth_potential, &
     314             :          copy_sgp_potential
     315             :    END INTERFACE
     316             : 
     317             : CONTAINS
     318             : 
     319             : ! **************************************************************************************************
     320             : !> \brief   Allocate an atomic all-electron potential data set.
     321             : !> \param potential ...
     322             : !> \date    25.07.2000,
     323             : !> \author  MK
     324             : !> \version 1.0
     325             : ! **************************************************************************************************
     326        5780 :    SUBROUTINE allocate_all_potential(potential)
     327             :       TYPE(all_potential_type), INTENT(INOUT), POINTER   :: potential
     328             : 
     329        5780 :       IF (ASSOCIATED(potential)) CALL deallocate_potential(potential)
     330             : 
     331       17340 :       ALLOCATE (potential)
     332             : 
     333        5780 :    END SUBROUTINE allocate_all_potential
     334             : 
     335             : ! **************************************************************************************************
     336             : !> \brief   Allocate an effective charge and inducible dipole potential data set.
     337             : !> \param potential ...
     338             : !> \date    05.03.2010
     339             : !> \author  Toon.Verstraelen@gmail.com
     340             : ! **************************************************************************************************
     341       11270 :    SUBROUTINE allocate_fist_potential(potential)
     342             :       TYPE(fist_potential_type), INTENT(INOUT), POINTER  :: potential
     343             : 
     344       11270 :       IF (ASSOCIATED(potential)) CALL deallocate_potential(potential)
     345             : 
     346       22540 :       ALLOCATE (potential)
     347             : 
     348       11270 :    END SUBROUTINE allocate_fist_potential
     349             : 
     350             : ! **************************************************************************************************
     351             : !> \brief   Allocate an atomic local potential data set.
     352             : !> \param potential ...
     353             : !> \date    24.01.2014
     354             : !> \author  JGH
     355             : !> \version 1.0
     356             : ! **************************************************************************************************
     357          20 :    SUBROUTINE allocate_local_potential(potential)
     358             :       TYPE(local_potential_type), INTENT(INOUT), POINTER :: potential
     359             : 
     360          20 :       IF (ASSOCIATED(potential)) CALL deallocate_potential(potential)
     361             : 
     362         100 :       ALLOCATE (potential)
     363             : 
     364          20 :    END SUBROUTINE allocate_local_potential
     365             : 
     366             : ! **************************************************************************************************
     367             : !> \brief   Allocate an atomic GTH potential data set.
     368             : !> \param potential ...
     369             : !> \date    25.07.2000
     370             : !> \author  MK
     371             : !> \version 1.0
     372             : ! **************************************************************************************************
     373        8361 :    SUBROUTINE allocate_gth_potential(potential)
     374             :       TYPE(gth_potential_type), INTENT(INOUT), POINTER   :: potential
     375             : 
     376        8361 :       IF (ASSOCIATED(potential)) CALL deallocate_potential(potential)
     377             : 
     378       41805 :       ALLOCATE (potential)
     379             : 
     380        8361 :    END SUBROUTINE allocate_gth_potential
     381             : 
     382             : ! **************************************************************************************************
     383             : !> \brief   Allocate an atomic SGP potential data set.
     384             : !> \param potential ...
     385             : !> \version 1.0
     386             : ! **************************************************************************************************
     387          28 :    SUBROUTINE allocate_sgp_potential(potential)
     388             :       TYPE(sgp_potential_type), INTENT(INOUT), POINTER   :: potential
     389             : 
     390          28 :       IF (ASSOCIATED(potential)) CALL deallocate_potential(potential)
     391             : 
     392       16380 :       ALLOCATE (potential)
     393             : 
     394          28 :    END SUBROUTINE allocate_sgp_potential
     395             : ! **************************************************************************************************
     396             : !> \brief   Deallocate an atomic all-electron potential data set.
     397             : !> \param potential ...
     398             : !> \date    03.11.2000
     399             : !> \author  MK
     400             : !> \version 1.0
     401             : ! **************************************************************************************************
     402        5778 :    SUBROUTINE deallocate_all_potential(potential)
     403             :       TYPE(all_potential_type), POINTER                  :: potential
     404             : 
     405        5778 :       IF (.NOT. ASSOCIATED(potential)) THEN
     406           0 :          CPABORT("The pointer potential is not associated.")
     407             :       END IF
     408             : 
     409        5778 :       DEALLOCATE (potential%elec_conf)
     410        5778 :       DEALLOCATE (potential)
     411             : 
     412        5778 :    END SUBROUTINE deallocate_all_potential
     413             : 
     414             : ! **************************************************************************************************
     415             : !> \brief   Deallocate an effective charge and inducible dipole potential data set.
     416             : !> \param potential ...
     417             : !> \date    05.03.2010
     418             : !> \author  Toon.Verstraelen@gmail.com
     419             : ! **************************************************************************************************
     420       11270 :    SUBROUTINE deallocate_fist_potential(potential)
     421             :       TYPE(fist_potential_type), POINTER                 :: potential
     422             : 
     423       11270 :       IF (.NOT. ASSOCIATED(potential)) THEN
     424           0 :          CPABORT("The pointer potential is not associated.")
     425             :       END IF
     426             : 
     427             :       ! Nothing exciting here yet.
     428       11270 :       DEALLOCATE (potential)
     429             : 
     430       11270 :    END SUBROUTINE deallocate_fist_potential
     431             : 
     432             : ! **************************************************************************************************
     433             : !> \brief   Deallocate an atomic local potential data set.
     434             : !> \param potential ...
     435             : !> \date    24.01.2014
     436             : !> \author  JGH
     437             : !> \version 1.0
     438             : ! **************************************************************************************************
     439          20 :    SUBROUTINE deallocate_local_potential(potential)
     440             :       TYPE(local_potential_type), POINTER                :: potential
     441             : 
     442          20 :       IF (.NOT. ASSOCIATED(potential)) THEN
     443           0 :          CPABORT("The pointer potential is not associated.")
     444             :       END IF
     445             : 
     446          20 :       IF (ASSOCIATED(potential%alpha)) THEN
     447          20 :          DEALLOCATE (potential%alpha)
     448             :       END IF
     449          20 :       IF (ASSOCIATED(potential%cval)) THEN
     450          20 :          DEALLOCATE (potential%cval)
     451             :       END IF
     452             : 
     453          20 :       DEALLOCATE (potential)
     454             : 
     455          20 :    END SUBROUTINE deallocate_local_potential
     456             : 
     457             : ! **************************************************************************************************
     458             : !> \brief   Deallocate an atomic GTH potential data set.
     459             : !> \param potential ...
     460             : !> \date    03.11.2000
     461             : !> \author  MK
     462             : !> \version 1.0
     463             : ! **************************************************************************************************
     464        8361 :    SUBROUTINE deallocate_gth_potential(potential)
     465             :       TYPE(gth_potential_type), POINTER                  :: potential
     466             : 
     467        8361 :       IF (.NOT. ASSOCIATED(potential)) THEN
     468           0 :          CPABORT("The pointer potential is not associated.")
     469             :       END IF
     470             : 
     471        8361 :       DEALLOCATE (potential%elec_conf)
     472             :       ! Deallocate the parameters of the local part
     473             : 
     474        8361 :       IF (ASSOCIATED(potential%cexp_ppl)) THEN
     475        8361 :          DEALLOCATE (potential%cexp_ppl)
     476             :       END IF
     477             : 
     478             :       ! Deallocate the parameters of the non-local part
     479        8361 :       IF (ASSOCIATED(potential%alpha_ppnl)) THEN
     480        4219 :          DEALLOCATE (potential%alpha_ppnl)
     481        4219 :          DEALLOCATE (potential%cprj)
     482        4219 :          DEALLOCATE (potential%cprj_ppnl)
     483        4219 :          DEALLOCATE (potential%hprj_ppnl)
     484        4219 :          DEALLOCATE (potential%kprj_ppnl)
     485        4219 :          DEALLOCATE (potential%nprj_ppnl)
     486        4219 :          DEALLOCATE (potential%vprj_ppnl)
     487        4219 :          DEALLOCATE (potential%wprj_ppnl)
     488             :       END IF
     489             : 
     490        8361 :       IF (ASSOCIATED(potential%alpha_lpot)) THEN
     491           8 :          DEALLOCATE (potential%alpha_lpot)
     492           8 :          DEALLOCATE (potential%nct_lpot)
     493           8 :          DEALLOCATE (potential%cval_lpot)
     494             :       END IF
     495             : 
     496        8361 :       IF (ASSOCIATED(potential%alpha_lsd)) THEN
     497           0 :          DEALLOCATE (potential%alpha_lsd)
     498           0 :          DEALLOCATE (potential%nct_lsd)
     499           0 :          DEALLOCATE (potential%cval_lsd)
     500             :       END IF
     501             : 
     502        8361 :       IF (ASSOCIATED(potential%alpha_nlcc)) THEN
     503          18 :          DEALLOCATE (potential%alpha_nlcc)
     504          18 :          DEALLOCATE (potential%nct_nlcc)
     505          18 :          DEALLOCATE (potential%cval_nlcc)
     506             :       END IF
     507             : 
     508        8361 :       DEALLOCATE (potential)
     509             : 
     510        8361 :    END SUBROUTINE deallocate_gth_potential
     511             : 
     512             : ! **************************************************************************************************
     513             : !> \brief   Deallocate an atomic SGP potential data set.
     514             : !> \param potential ...
     515             : ! **************************************************************************************************
     516          28 :    SUBROUTINE deallocate_sgp_potential(potential)
     517             :       TYPE(sgp_potential_type), POINTER                  :: potential
     518             : 
     519          28 :       IF (.NOT. ASSOCIATED(potential)) THEN
     520           0 :          CPABORT("The pointer potential is not associated.")
     521             :       END IF
     522             : 
     523          28 :       IF (ASSOCIATED(potential%elec_conf)) THEN
     524          28 :          DEALLOCATE (potential%elec_conf)
     525             :       END IF
     526          28 :       IF (ASSOCIATED(potential%a_local)) THEN
     527          12 :          DEALLOCATE (potential%a_local)
     528             :       END IF
     529          28 :       IF (ASSOCIATED(potential%c_local)) THEN
     530          12 :          DEALLOCATE (potential%c_local)
     531             :       END IF
     532             : 
     533          28 :       IF (ASSOCIATED(potential%a_nonlocal)) THEN
     534           6 :          DEALLOCATE (potential%a_nonlocal)
     535             :       END IF
     536          28 :       IF (ASSOCIATED(potential%h_nonlocal)) THEN
     537           6 :          DEALLOCATE (potential%h_nonlocal)
     538             :       END IF
     539          28 :       IF (ASSOCIATED(potential%c_nonlocal)) THEN
     540           6 :          DEALLOCATE (potential%c_nonlocal)
     541             :       END IF
     542          28 :       IF (ASSOCIATED(potential%cprj_ppnl)) THEN
     543           6 :          DEALLOCATE (potential%cprj_ppnl)
     544             :       END IF
     545          28 :       IF (ASSOCIATED(potential%vprj_ppnl)) THEN
     546           6 :          DEALLOCATE (potential%vprj_ppnl)
     547             :       END IF
     548             : 
     549          28 :       IF (ASSOCIATED(potential%a_nlcc)) THEN
     550           0 :          DEALLOCATE (potential%a_nlcc)
     551             :       END IF
     552          28 :       IF (ASSOCIATED(potential%c_nlcc)) THEN
     553           0 :          DEALLOCATE (potential%c_nlcc)
     554             :       END IF
     555             : 
     556          28 :       DEALLOCATE (potential)
     557             : 
     558          28 :    END SUBROUTINE deallocate_sgp_potential
     559             : 
     560             : ! **************************************************************************************************
     561             : !> \brief   Get attributes of an all-electron potential data set.
     562             : !> \param potential ...
     563             : !> \param name ...
     564             : !> \param alpha_core_charge ...
     565             : !> \param ccore_charge ...
     566             : !> \param core_charge_radius ...
     567             : !> \param z ...
     568             : !> \param zeff ...
     569             : !> \param zeff_correction ...
     570             : !> \param elec_conf ...
     571             : !> \date    11.01.2002
     572             : !> \author  MK
     573             : !> \version 1.0
     574             : ! **************************************************************************************************
     575      309793 :    SUBROUTINE get_all_potential(potential, name, alpha_core_charge, &
     576             :                                 ccore_charge, core_charge_radius, z, zeff, &
     577             :                                 zeff_correction, elec_conf)
     578             :       TYPE(all_potential_type), INTENT(IN)               :: potential
     579             :       CHARACTER(LEN=default_string_length), &
     580             :          INTENT(OUT), OPTIONAL                           :: name
     581             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: alpha_core_charge, ccore_charge, &
     582             :                                                             core_charge_radius
     583             :       INTEGER, INTENT(OUT), OPTIONAL                     :: z
     584             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: zeff, zeff_correction
     585             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf
     586             : 
     587      309793 :       IF (PRESENT(name)) name = potential%name
     588      309793 :       IF (PRESENT(alpha_core_charge)) &
     589      132914 :          alpha_core_charge = potential%alpha_core_charge
     590      309793 :       IF (PRESENT(ccore_charge)) ccore_charge = potential%ccore_charge
     591      309793 :       IF (PRESENT(core_charge_radius)) &
     592      143186 :          core_charge_radius = potential%core_charge_radius
     593      309793 :       IF (PRESENT(z)) z = potential%z
     594      309793 :       IF (PRESENT(zeff)) zeff = potential%zeff
     595      309793 :       IF (PRESENT(zeff_correction)) zeff_correction = potential%zeff_correction
     596      309793 :       IF (PRESENT(elec_conf)) elec_conf => potential%elec_conf
     597             : 
     598      309793 :    END SUBROUTINE get_all_potential
     599             : 
     600             : ! **************************************************************************************************
     601             : !> \brief   Get attributes of an effective point charge and inducible dipole
     602             : !>          potential.
     603             : !> \param potential ...
     604             : !> \param name ...
     605             : !> \param apol ...
     606             : !> \param cpol ...
     607             : !> \param mm_radius ...
     608             : !> \param qeff ...
     609             : !> \param qmmm_corr_radius ...
     610             : !> \param qmmm_radius ...
     611             : !> \date    05.03-2010
     612             : !> \author  Toon.Verstraelen@UGent.be
     613             : ! **************************************************************************************************
     614    55593447 :    ELEMENTAL SUBROUTINE get_fist_potential(potential, name, apol, cpol, mm_radius, qeff, &
     615             :                                            qmmm_corr_radius, qmmm_radius)
     616             :       TYPE(fist_potential_type), INTENT(IN)              :: potential
     617             :       CHARACTER(LEN=default_string_length), &
     618             :          INTENT(OUT), OPTIONAL                           :: name
     619             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: apol, cpol, mm_radius, qeff, &
     620             :                                                             qmmm_corr_radius, qmmm_radius
     621             : 
     622    55593447 :       IF (PRESENT(name)) name = potential%name
     623    55593447 :       IF (PRESENT(apol)) apol = potential%apol
     624    55593447 :       IF (PRESENT(cpol)) cpol = potential%cpol
     625    55593447 :       IF (PRESENT(mm_radius)) mm_radius = potential%mm_radius
     626    55593447 :       IF (PRESENT(qeff)) qeff = potential%qeff
     627    55593447 :       IF (PRESENT(qmmm_corr_radius)) qmmm_corr_radius = potential%qmmm_corr_radius
     628    55593447 :       IF (PRESENT(qmmm_radius)) qmmm_radius = potential%qmmm_radius
     629             : 
     630    55593447 :    END SUBROUTINE get_fist_potential
     631             : 
     632             : ! **************************************************************************************************
     633             : !> \brief   Get attributes of an atomic local potential data set.
     634             : !> \param potential ...
     635             : !> \param name ...
     636             : !> \param ngau ...
     637             : !> \param npol ...
     638             : !> \param alpha ...
     639             : !> \param cval ...
     640             : !> \param radius ...
     641             : !> \date    24.01.2014
     642             : !> \author  JGH
     643             : !> \version 1.0
     644             : ! **************************************************************************************************
     645         397 :    SUBROUTINE get_local_potential(potential, name, ngau, npol, alpha, cval, radius)
     646             :       TYPE(local_potential_type), INTENT(IN)             :: potential
     647             :       CHARACTER(LEN=default_string_length), &
     648             :          INTENT(OUT), OPTIONAL                           :: name
     649             :       INTEGER, INTENT(OUT), OPTIONAL                     :: ngau, npol
     650             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha
     651             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cval
     652             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: radius
     653             : 
     654         397 :       IF (PRESENT(name)) name = potential%name
     655         397 :       IF (PRESENT(ngau)) ngau = potential%ngau
     656         397 :       IF (PRESENT(npol)) npol = potential%npol
     657         397 :       IF (PRESENT(alpha)) alpha => potential%alpha
     658         397 :       IF (PRESENT(cval)) cval => potential%cval
     659         397 :       IF (PRESENT(radius)) radius = potential%radius
     660             : 
     661         397 :    END SUBROUTINE get_local_potential
     662             : 
     663             : ! **************************************************************************************************
     664             : !> \brief   Get attributes of a GTH potential data set.
     665             : !> \param potential ...
     666             : !> \param name ...
     667             : !> \param aliases ...
     668             : !> \param alpha_core_charge ...
     669             : !> \param alpha_ppl ...
     670             : !> \param ccore_charge ...
     671             : !> \param cerf_ppl ...
     672             : !> \param core_charge_radius ...
     673             : !> \param ppl_radius ...
     674             : !> \param ppnl_radius ...
     675             : !> \param lppnl ...
     676             : !> \param lprj_ppnl_max ...
     677             : !> \param nexp_ppl ...
     678             : !> \param nppnl ...
     679             : !> \param nprj_ppnl_max ...
     680             : !> \param z ...
     681             : !> \param zeff ...
     682             : !> \param zeff_correction ...
     683             : !> \param ppl_present ...
     684             : !> \param ppnl_present ...
     685             : !> \param alpha_ppnl ...
     686             : !> \param cexp_ppl ...
     687             : !> \param elec_conf ...
     688             : !> \param nprj_ppnl ...
     689             : !> \param cprj ...
     690             : !> \param cprj_ppnl ...
     691             : !> \param vprj_ppnl ...
     692             : !> \param wprj_ppnl ...
     693             : !> \param hprj_ppnl ...
     694             : !> \param kprj_ppnl ...
     695             : !> \param lpot_present ...
     696             : !> \param nexp_lpot ...
     697             : !> \param alpha_lpot ...
     698             : !> \param nct_lpot ...
     699             : !> \param cval_lpot ...
     700             : !> \param lsd_present ...
     701             : !> \param nexp_lsd ...
     702             : !> \param alpha_lsd ...
     703             : !> \param nct_lsd ...
     704             : !> \param cval_lsd ...
     705             : !> \param nlcc_present ...
     706             : !> \param nexp_nlcc ...
     707             : !> \param alpha_nlcc ...
     708             : !> \param nct_nlcc ...
     709             : !> \param cval_nlcc ...
     710             : !> \date    11.01.2002
     711             : !> \author  MK
     712             : !> \version 1.0
     713             : ! **************************************************************************************************
     714     4008349 :    SUBROUTINE get_gth_potential(potential, name, aliases, alpha_core_charge, &
     715             :                                 alpha_ppl, ccore_charge, cerf_ppl, &
     716             :                                 core_charge_radius, ppl_radius, ppnl_radius, &
     717             :                                 lppnl, lprj_ppnl_max, nexp_ppl, nppnl, &
     718             :                                 nprj_ppnl_max, z, zeff, zeff_correction, &
     719             :                                 ppl_present, ppnl_present, &
     720             :                                 alpha_ppnl, cexp_ppl, elec_conf, nprj_ppnl, cprj, &
     721             :                                 cprj_ppnl, vprj_ppnl, wprj_ppnl, hprj_ppnl, kprj_ppnl, &
     722             :                                 lpot_present, nexp_lpot, alpha_lpot, nct_lpot, cval_lpot, &
     723             :                                 lsd_present, nexp_lsd, alpha_lsd, nct_lsd, cval_lsd, &
     724             :                                 nlcc_present, nexp_nlcc, alpha_nlcc, nct_nlcc, cval_nlcc)
     725             : 
     726             :       TYPE(gth_potential_type), INTENT(IN)               :: potential
     727             :       CHARACTER(LEN=default_string_length), &
     728             :          INTENT(OUT), OPTIONAL                           :: name, aliases
     729             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: alpha_core_charge, alpha_ppl, &
     730             :                                                             ccore_charge, cerf_ppl, &
     731             :                                                             core_charge_radius, ppl_radius, &
     732             :                                                             ppnl_radius
     733             :       INTEGER, INTENT(OUT), OPTIONAL                     :: lppnl, lprj_ppnl_max, nexp_ppl, nppnl, &
     734             :                                                             nprj_ppnl_max, z
     735             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: zeff, zeff_correction
     736             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: ppl_present, ppnl_present
     737             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha_ppnl, cexp_ppl
     738             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf, nprj_ppnl
     739             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cprj, cprj_ppnl, vprj_ppnl, wprj_ppnl
     740             :       REAL(KIND=dp), DIMENSION(:, :, :), OPTIONAL, &
     741             :          POINTER                                         :: hprj_ppnl, kprj_ppnl
     742             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: lpot_present
     743             :       INTEGER, INTENT(OUT), OPTIONAL                     :: nexp_lpot
     744             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha_lpot
     745             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: nct_lpot
     746             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cval_lpot
     747             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: lsd_present
     748             :       INTEGER, INTENT(OUT), OPTIONAL                     :: nexp_lsd
     749             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha_lsd
     750             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: nct_lsd
     751             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cval_lsd
     752             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: nlcc_present
     753             :       INTEGER, INTENT(OUT), OPTIONAL                     :: nexp_nlcc
     754             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha_nlcc
     755             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: nct_nlcc
     756             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cval_nlcc
     757             : 
     758     4008349 :       IF (PRESENT(name)) name = potential%name
     759     4008349 :       IF (PRESENT(aliases)) aliases = potential%aliases
     760     4008349 :       IF (PRESENT(alpha_core_charge)) &
     761      170211 :          alpha_core_charge = potential%alpha_core_charge
     762     4008349 :       IF (PRESENT(alpha_ppl)) alpha_ppl = potential%alpha_ppl
     763     4008349 :       IF (PRESENT(ccore_charge)) ccore_charge = potential%ccore_charge
     764     4008349 :       IF (PRESENT(cerf_ppl)) cerf_ppl = potential%cerf_ppl
     765     4008349 :       IF (PRESENT(core_charge_radius)) &
     766       47517 :          core_charge_radius = potential%core_charge_radius
     767     4008349 :       IF (PRESENT(ppl_radius)) ppl_radius = potential%ppl_radius
     768     4008349 :       IF (PRESENT(ppnl_radius)) ppnl_radius = potential%ppnl_radius
     769     4008349 :       IF (PRESENT(lppnl)) lppnl = potential%lppnl
     770     4008349 :       IF (PRESENT(lprj_ppnl_max)) lprj_ppnl_max = potential%lprj_ppnl_max
     771     4008349 :       IF (PRESENT(nexp_ppl)) nexp_ppl = potential%nexp_ppl
     772     4008349 :       IF (PRESENT(nppnl)) nppnl = potential%nppnl
     773     4008349 :       IF (PRESENT(nprj_ppnl_max)) nprj_ppnl_max = potential%nprj_ppnl_max
     774     4008349 :       IF (PRESENT(z)) z = potential%z
     775     4008349 :       IF (PRESENT(zeff)) zeff = potential%zeff
     776     4008349 :       IF (PRESENT(zeff_correction)) zeff_correction = potential%zeff_correction
     777     4008349 :       IF (PRESENT(ppl_present)) ppl_present = (potential%nexp_ppl > 0)
     778     4008349 :       IF (PRESENT(ppnl_present)) ppnl_present = (potential%nppnl > 0)
     779     4008349 :       IF (PRESENT(alpha_ppnl)) alpha_ppnl => potential%alpha_ppnl
     780     4008349 :       IF (PRESENT(cexp_ppl)) cexp_ppl => potential%cexp_ppl
     781     4008349 :       IF (PRESENT(elec_conf)) elec_conf => potential%elec_conf
     782     4008349 :       IF (PRESENT(nprj_ppnl)) nprj_ppnl => potential%nprj_ppnl
     783     4008349 :       IF (PRESENT(cprj)) cprj => potential%cprj
     784     4008349 :       IF (PRESENT(cprj_ppnl)) cprj_ppnl => potential%cprj_ppnl
     785     4008349 :       IF (PRESENT(hprj_ppnl)) hprj_ppnl => potential%hprj_ppnl
     786     4008349 :       IF (PRESENT(kprj_ppnl)) kprj_ppnl => potential%kprj_ppnl
     787     4008349 :       IF (PRESENT(vprj_ppnl)) vprj_ppnl => potential%vprj_ppnl
     788     4008349 :       IF (PRESENT(wprj_ppnl)) wprj_ppnl => potential%wprj_ppnl
     789             : 
     790     4008349 :       IF (PRESENT(lpot_present)) lpot_present = potential%lpotextended
     791     4008349 :       IF (PRESENT(nexp_lpot)) nexp_lpot = potential%nexp_lpot
     792     4008349 :       IF (PRESENT(alpha_lpot)) alpha_lpot => potential%alpha_lpot
     793     4008349 :       IF (PRESENT(nct_lpot)) nct_lpot => potential%nct_lpot
     794     4008349 :       IF (PRESENT(cval_lpot)) cval_lpot => potential%cval_lpot
     795             : 
     796     4008349 :       IF (PRESENT(lsd_present)) lsd_present = potential%lsdpot
     797     4008349 :       IF (PRESENT(nexp_lsd)) nexp_lsd = potential%nexp_lsd
     798     4008349 :       IF (PRESENT(alpha_lsd)) alpha_lsd => potential%alpha_lsd
     799     4008349 :       IF (PRESENT(nct_lsd)) nct_lsd => potential%nct_lsd
     800     4008349 :       IF (PRESENT(cval_lsd)) cval_lsd => potential%cval_lsd
     801             : 
     802     4008349 :       IF (PRESENT(nlcc_present)) nlcc_present = potential%nlcc
     803     4008349 :       IF (PRESENT(nexp_nlcc)) nexp_nlcc = potential%nexp_nlcc
     804     4008349 :       IF (PRESENT(alpha_nlcc)) alpha_nlcc => potential%alpha_nlcc
     805     4008349 :       IF (PRESENT(nct_nlcc)) nct_nlcc => potential%nct_nlcc
     806     4008349 :       IF (PRESENT(cval_nlcc)) cval_nlcc => potential%cval_nlcc
     807             : 
     808     4008349 :    END SUBROUTINE get_gth_potential
     809             : 
     810             : ! **************************************************************************************************
     811             : !> \brief ...
     812             : !> \param potential ...
     813             : !> \param name ...
     814             : !> \param description ...
     815             : !> \param aliases ...
     816             : !> \param elec_conf ...
     817             : !> \param z ...
     818             : !> \param zeff ...
     819             : !> \param zeff_correction ...
     820             : !> \param alpha_core_charge ...
     821             : !> \param ccore_charge ...
     822             : !> \param core_charge_radius ...
     823             : !> \param ppl_radius ...
     824             : !> \param ppnl_radius ...
     825             : !> \param ppl_present ...
     826             : !> \param ppnl_present ...
     827             : !> \param ppsl_present ...
     828             : !> \param ecp_local ...
     829             : !> \param n_local ...
     830             : !> \param a_local ...
     831             : !> \param c_local ...
     832             : !> \param nloc ...
     833             : !> \param nrloc ...
     834             : !> \param aloc ...
     835             : !> \param bloc ...
     836             : !> \param ecp_semi_local ...
     837             : !> \param sl_lmax ...
     838             : !> \param npot ...
     839             : !> \param nrpot ...
     840             : !> \param apot ...
     841             : !> \param bpot ...
     842             : !> \param n_nonlocal ...
     843             : !> \param nppnl ...
     844             : !> \param lmax ...
     845             : !> \param is_nonlocal ...
     846             : !> \param a_nonlocal ...
     847             : !> \param h_nonlocal ...
     848             : !> \param c_nonlocal ...
     849             : !> \param cprj_ppnl ...
     850             : !> \param vprj_ppnl ...
     851             : !> \param has_nlcc ...
     852             : !> \param n_nlcc ...
     853             : !> \param a_nlcc ...
     854             : !> \param c_nlcc ...
     855             : ! **************************************************************************************************
     856       10943 :    SUBROUTINE get_sgp_potential(potential, name, description, aliases, elec_conf, &
     857             :                                 z, zeff, zeff_correction, alpha_core_charge, &
     858             :                                 ccore_charge, core_charge_radius, &
     859             :                                 ppl_radius, ppnl_radius, ppl_present, ppnl_present, ppsl_present, &
     860             :                                 ecp_local, n_local, a_local, c_local, &
     861             :                                 nloc, nrloc, aloc, bloc, &
     862             :                                 ecp_semi_local, sl_lmax, npot, nrpot, apot, bpot, &
     863             :                                 n_nonlocal, nppnl, lmax, is_nonlocal, a_nonlocal, h_nonlocal, c_nonlocal, &
     864             :                                 cprj_ppnl, vprj_ppnl, has_nlcc, n_nlcc, a_nlcc, c_nlcc)
     865             : 
     866             :       TYPE(sgp_potential_type), INTENT(IN)               :: potential
     867             :       CHARACTER(LEN=default_string_length), &
     868             :          INTENT(OUT), OPTIONAL                           :: name
     869             :       CHARACTER(LEN=default_string_length), &
     870             :          DIMENSION(4), INTENT(OUT), OPTIONAL             :: description
     871             :       CHARACTER(LEN=default_string_length), &
     872             :          INTENT(OUT), OPTIONAL                           :: aliases
     873             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf
     874             :       INTEGER, INTENT(OUT), OPTIONAL                     :: z
     875             :       REAL(KIND=dp), INTENT(OUT), OPTIONAL               :: zeff, zeff_correction, &
     876             :                                                             alpha_core_charge, ccore_charge, &
     877             :                                                             core_charge_radius, ppl_radius, &
     878             :                                                             ppnl_radius
     879             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: ppl_present, ppnl_present, ppsl_present, &
     880             :                                                             ecp_local
     881             :       INTEGER, INTENT(OUT), OPTIONAL                     :: n_local
     882             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_local, c_local
     883             :       INTEGER, INTENT(OUT), OPTIONAL                     :: nloc
     884             :       INTEGER, DIMENSION(1:10), INTENT(OUT), OPTIONAL    :: nrloc
     885             :       REAL(dp), DIMENSION(1:10), INTENT(OUT), OPTIONAL   :: aloc, bloc
     886             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: ecp_semi_local
     887             :       INTEGER, INTENT(OUT), OPTIONAL                     :: sl_lmax
     888             :       INTEGER, DIMENSION(0:10), OPTIONAL                 :: npot
     889             :       INTEGER, DIMENSION(1:15, 0:10), OPTIONAL           :: nrpot
     890             :       REAL(dp), DIMENSION(1:15, 0:10), OPTIONAL          :: apot, bpot
     891             :       INTEGER, INTENT(OUT), OPTIONAL                     :: n_nonlocal, nppnl, lmax
     892             :       LOGICAL, DIMENSION(0:5), OPTIONAL                  :: is_nonlocal
     893             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_nonlocal
     894             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: h_nonlocal
     895             :       REAL(KIND=dp), DIMENSION(:, :, :), OPTIONAL, &
     896             :          POINTER                                         :: c_nonlocal
     897             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cprj_ppnl
     898             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: vprj_ppnl
     899             :       LOGICAL, INTENT(OUT), OPTIONAL                     :: has_nlcc
     900             :       INTEGER, INTENT(OUT), OPTIONAL                     :: n_nlcc
     901             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_nlcc, c_nlcc
     902             : 
     903       10943 :       IF (PRESENT(name)) name = potential%name
     904       10943 :       IF (PRESENT(aliases)) aliases = potential%aliases
     905       11083 :       IF (PRESENT(description)) description = potential%description
     906             : 
     907       10943 :       IF (PRESENT(elec_conf)) elec_conf => potential%elec_conf
     908             : 
     909       10943 :       IF (PRESENT(z)) z = potential%z
     910       10943 :       IF (PRESENT(zeff)) zeff = potential%zeff
     911       10943 :       IF (PRESENT(zeff_correction)) zeff_correction = potential%zeff_correction
     912       10943 :       IF (PRESENT(alpha_core_charge)) alpha_core_charge = potential%alpha_core_charge
     913       10943 :       IF (PRESENT(ccore_charge)) ccore_charge = potential%ccore_charge
     914       10943 :       IF (PRESENT(core_charge_radius)) core_charge_radius = potential%core_charge_radius
     915             : 
     916       10943 :       IF (PRESENT(ppl_radius)) ppl_radius = potential%ppl_radius
     917       10943 :       IF (PRESENT(ppnl_radius)) ppnl_radius = potential%ppnl_radius
     918       10943 :       IF (PRESENT(ppl_present)) THEN
     919          36 :          ppl_present = (potential%nloc > 0 .OR. potential%n_local > 0)
     920             :       END IF
     921       10943 :       IF (PRESENT(ppnl_present)) THEN
     922         216 :          ppnl_present = ANY(potential%is_nonlocal)
     923             :       END IF
     924       10943 :       IF (PRESENT(ppsl_present)) THEN
     925           0 :          ppsl_present = potential%ecp_semi_local
     926             :       END IF
     927             : 
     928       10943 :       IF (PRESENT(ecp_local)) ecp_local = potential%ecp_local
     929       10943 :       IF (PRESENT(n_local)) n_local = potential%n_local
     930       10943 :       IF (PRESENT(a_local)) a_local => potential%a_local
     931       10943 :       IF (PRESENT(c_local)) c_local => potential%c_local
     932             : 
     933       10943 :       IF (PRESENT(nloc)) nloc = potential%nloc
     934       14595 :       IF (PRESENT(nrloc)) nrloc = potential%nrloc
     935       13671 :       IF (PRESENT(aloc)) aloc = potential%aloc
     936       13671 :       IF (PRESENT(bloc)) bloc = potential%bloc
     937             : 
     938       10943 :       IF (PRESENT(ecp_semi_local)) ecp_semi_local = potential%ecp_semi_local
     939       10943 :       IF (PRESENT(sl_lmax)) sl_lmax = potential%sl_lmax
     940       13967 :       IF (PRESENT(npot)) npot = potential%npot
     941       64397 :       IF (PRESENT(nrpot)) nrpot = potential%nrpot
     942       54839 :       IF (PRESENT(apot)) apot = potential%apot
     943       54839 :       IF (PRESENT(bpot)) bpot = potential%bpot
     944             : 
     945       10943 :       IF (PRESENT(n_nonlocal)) n_nonlocal = potential%n_nonlocal
     946       10943 :       IF (PRESENT(nppnl)) nppnl = potential%nppnl
     947       10943 :       IF (PRESENT(lmax)) lmax = potential%lmax
     948       11223 :       IF (PRESENT(is_nonlocal)) is_nonlocal(:) = potential%is_nonlocal(:)
     949       10943 :       IF (PRESENT(a_nonlocal)) a_nonlocal => potential%a_nonlocal
     950       10943 :       IF (PRESENT(c_nonlocal)) c_nonlocal => potential%c_nonlocal
     951       10943 :       IF (PRESENT(h_nonlocal)) h_nonlocal => potential%h_nonlocal
     952       10943 :       IF (PRESENT(cprj_ppnl)) cprj_ppnl => potential%cprj_ppnl
     953       10943 :       IF (PRESENT(vprj_ppnl)) vprj_ppnl => potential%vprj_ppnl
     954             : 
     955       10943 :       IF (PRESENT(has_nlcc)) has_nlcc = potential%has_nlcc
     956       10943 :       IF (PRESENT(n_nlcc)) n_nlcc = potential%n_nlcc
     957       10943 :       IF (PRESENT(a_nlcc)) a_nlcc => potential%a_nlcc
     958       10943 :       IF (PRESENT(c_nlcc)) c_nlcc => potential%c_nlcc
     959             : 
     960       10943 :    END SUBROUTINE get_sgp_potential
     961             : 
     962             : ! **************************************************************************************************
     963             : !> \brief   Initialise the coefficients of the projectors of the non-local
     964             : !>          part of the GTH pseudopotential and the transformation matrices
     965             : !>          for Cartesian overlap integrals between the orbital basis
     966             : !>          functions and the projector functions.
     967             : !> \param potential ...
     968             : !> \date    16.10.2000
     969             : !> \author  MK
     970             : !> \version 1.0
     971             : ! **************************************************************************************************
     972        4147 :    ELEMENTAL SUBROUTINE init_cprj_ppnl(potential)
     973             : 
     974             :       TYPE(gth_potential_type), INTENT(INOUT)            :: potential
     975             : 
     976             :       INTEGER                                            :: cpx, cpy, cpz, cx, cy, cz, ico, iprj, &
     977             :                                                             iprj_ppnl, l, lp, lprj_ppnl, nprj, px, &
     978             :                                                             py, pz
     979             :       REAL(KIND=dp)                                      :: alpha_ppnl, cp
     980             : 
     981        4147 :       nprj = 0
     982             : 
     983       12197 :       DO l = 0, potential%lppnl
     984        8050 :          alpha_ppnl = potential%alpha_ppnl(l)
     985       17730 :          DO iprj_ppnl = 1, potential%nprj_ppnl(l)
     986        5533 :             lp = iprj_ppnl - 1
     987        5533 :             lprj_ppnl = l + 2*lp
     988             :             cp = SQRT(2.0_dp**(2.0_dp*REAL(lprj_ppnl, dp) + 3.5_dp)* &
     989             :                       alpha_ppnl**(REAL(lprj_ppnl, dp) + 1.5_dp)/ &
     990        5533 :                       (rootpi*dfac(2*lprj_ppnl + 1)))
     991        5533 :             potential%cprj_ppnl(iprj_ppnl, l) = cp
     992       12004 :             DO cx = 0, l
     993       19563 :                DO cy = 0, l - cx
     994        7559 :                   cz = l - cx - cy
     995        7559 :                   iprj = nprj + co(cx, cy, cz)
     996       22907 :                   DO px = 0, lp
     997       26721 :                      DO py = 0, lp - px
     998       10285 :                         pz = lp - px - py
     999       10285 :                         cpx = cx + 2*px
    1000       10285 :                         cpy = cy + 2*py
    1001       10285 :                         cpz = cz + 2*pz
    1002       10285 :                         ico = coset(cpx, cpy, cpz)
    1003       19162 :                         potential%cprj(ico, iprj) = cp*fac(lp)/(fac(px)*fac(py)*fac(pz))
    1004             :                      END DO
    1005             :                   END DO
    1006             :                END DO
    1007             :             END DO
    1008       13583 :             nprj = nprj + nco(l)
    1009             :          END DO
    1010             :       END DO
    1011             : 
    1012        4147 :    END SUBROUTINE init_cprj_ppnl
    1013             : 
    1014             : ! **************************************************************************************************
    1015             : !> \brief   Initialise a GTH potential data set structure.
    1016             : !> \param potential ...
    1017             : !> \date    27.10.2000
    1018             : !> \author  MK
    1019             : !> \version 1.0
    1020             : ! **************************************************************************************************
    1021        8173 :    SUBROUTINE init_gth_potential(potential)
    1022             : 
    1023             :       TYPE(gth_potential_type), INTENT(IN), POINTER      :: potential
    1024             : 
    1025        8173 :       IF (.NOT. ASSOCIATED(potential)) RETURN
    1026             : 
    1027        8173 :       IF (potential%nppnl > 0) THEN
    1028             : 
    1029             :          ! Initialise the projector coefficients of the non-local part of the GTH pseudopotential
    1030             :          ! and the transformation matrices "pgf" -> "prj_ppnl"
    1031        4147 :          CALL init_cprj_ppnl(potential)
    1032             : 
    1033             :          ! Initialise the h(i,j) projector coefficients of the non-local part of the
    1034             :          ! GTH pseudopotential
    1035        4147 :          CALL init_vprj_ppnl(potential)
    1036             : 
    1037             :       END IF
    1038             : 
    1039             :    END SUBROUTINE init_gth_potential
    1040             : 
    1041             : ! **************************************************************************************************
    1042             : !> \brief   Initialise the h(i,j) projector coefficients of the non-local part
    1043             : !>          of the GTH pseudopotential (and k(i,j) for SOC, see Hartwigsen, Goedecker, Hutter, PRB 1998).
    1044             : !> \param potential ...
    1045             : !> \date    24.10.2000
    1046             : !> \author  MK
    1047             : !> \version 1.0
    1048             : ! **************************************************************************************************
    1049        4147 :    ELEMENTAL SUBROUTINE init_vprj_ppnl(potential)
    1050             : 
    1051             :       TYPE(gth_potential_type), INTENT(INOUT)            :: potential
    1052             : 
    1053             :       INTEGER                                            :: i, ico, iprj, iprj_ppnl, iso, j, jco, &
    1054             :                                                             jprj, jprj_ppnl, l, nprj
    1055             : 
    1056        4147 :       nprj = 0
    1057             : 
    1058       12197 :       DO l = 0, potential%lppnl
    1059       13583 :          DO iprj_ppnl = 1, potential%nprj_ppnl(l)
    1060        5533 :             iprj = nprj + (iprj_ppnl - 1)*nco(l)
    1061       20792 :             DO jprj_ppnl = 1, potential%nprj_ppnl(l)
    1062        7209 :                jprj = nprj + (jprj_ppnl - 1)*nco(l)
    1063       22937 :                DO ico = 1, nco(l)
    1064       10195 :                   i = iprj + ico
    1065       40367 :                   DO jco = 1, nco(l)
    1066       22963 :                      j = jprj + jco
    1067      108141 :                      DO iso = 1, nso(l)
    1068             :                         potential%vprj_ppnl(i, j) = potential%vprj_ppnl(i, j) + &
    1069             :                                                     orbtramat(l)%slm(iso, ico)* &
    1070             :                                                     potential%hprj_ppnl(iprj_ppnl, &
    1071             :                                                                         jprj_ppnl, l)* &
    1072       74983 :                                                     orbtramat(l)%slm(iso, jco)
    1073       97946 :                         IF (potential%soc) THEN
    1074             :                            ! Transform spin-orbit part
    1075             :                            potential%wprj_ppnl(i, j) = potential%wprj_ppnl(i, j) + &
    1076             :                                                        orbtramat(l)%slm(iso, ico)* &
    1077             :                                                        potential%kprj_ppnl(iprj_ppnl, &
    1078             :                                                                            jprj_ppnl, l)* &
    1079        6058 :                                                        orbtramat(l)%slm(iso, jco)
    1080             :                         END IF
    1081             :                      END DO
    1082             :                   END DO
    1083             :                END DO
    1084             :             END DO
    1085             :          END DO
    1086       12197 :          nprj = nprj + potential%nprj_ppnl(l)*nco(l)
    1087             :       END DO
    1088             : 
    1089        4147 :    END SUBROUTINE init_vprj_ppnl
    1090             : 
    1091             : ! **************************************************************************************************
    1092             : !> \brief ...
    1093             : !> \param potential ...
    1094             : !> \param itype ...
    1095             : !> \param zeff ...
    1096             : !> \param zeff_correction ...
    1097             : ! **************************************************************************************************
    1098        4238 :    PURE SUBROUTINE init_all_potential(potential, itype, zeff, zeff_correction)
    1099             : 
    1100             :       TYPE(all_potential_type), INTENT(INOUT), POINTER   :: potential
    1101             :       CHARACTER(LEN=*), INTENT(IN), OPTIONAL             :: itype
    1102             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: zeff, zeff_correction
    1103             : 
    1104             :       INTEGER                                            :: dz
    1105             : 
    1106        4238 :       IF (.NOT. ASSOCIATED(potential)) RETURN
    1107             : 
    1108        4238 :       IF (PRESENT(zeff)) potential%zeff = zeff
    1109        4238 :       IF (PRESENT(zeff_correction)) potential%zeff_correction = zeff_correction
    1110        4238 :       dz = potential%z - INT(potential%zeff - potential%zeff_correction)
    1111        1684 :       SELECT CASE (dz)
    1112             :       CASE DEFAULT
    1113             :       CASE (2)
    1114        1684 :          potential%elec_conf(0) = potential%elec_conf(0) - 2
    1115             :       CASE (10)
    1116         504 :          potential%elec_conf(0) = potential%elec_conf(0) - 4
    1117         504 :          potential%elec_conf(1) = potential%elec_conf(1) - 6
    1118             :       CASE (18)
    1119         434 :          potential%elec_conf(0) = potential%elec_conf(0) - 6
    1120         434 :          potential%elec_conf(1) = potential%elec_conf(1) - 12
    1121             :       CASE (28)
    1122         168 :          potential%elec_conf(0) = potential%elec_conf(0) - 6
    1123         168 :          potential%elec_conf(1) = potential%elec_conf(1) - 12
    1124         168 :          potential%elec_conf(2) = potential%elec_conf(2) - 10
    1125             :       CASE (30)
    1126           0 :          potential%elec_conf(0) = potential%elec_conf(0) - 8
    1127           0 :          potential%elec_conf(1) = potential%elec_conf(1) - 12
    1128           0 :          potential%elec_conf(2) = potential%elec_conf(2) - 10
    1129             :       CASE (36)
    1130         170 :          potential%elec_conf(0) = potential%elec_conf(0) - 8
    1131         170 :          potential%elec_conf(1) = potential%elec_conf(1) - 18
    1132         170 :          potential%elec_conf(2) = potential%elec_conf(2) - 10
    1133             :       CASE (46)
    1134         146 :          potential%elec_conf(0) = potential%elec_conf(0) - 8
    1135         146 :          potential%elec_conf(1) = potential%elec_conf(1) - 18
    1136         146 :          potential%elec_conf(2) = potential%elec_conf(2) - 20
    1137             :       CASE (48)
    1138           0 :          potential%elec_conf(0) = potential%elec_conf(0) - 10
    1139           0 :          potential%elec_conf(1) = potential%elec_conf(1) - 18
    1140           0 :          potential%elec_conf(2) = potential%elec_conf(2) - 20
    1141             :       CASE (54)
    1142          34 :          potential%elec_conf(0) = potential%elec_conf(0) - 10
    1143          34 :          potential%elec_conf(1) = potential%elec_conf(1) - 24
    1144          34 :          potential%elec_conf(2) = potential%elec_conf(2) - 20
    1145             :       CASE (68)
    1146         122 :          potential%elec_conf(0) = potential%elec_conf(0) - 10
    1147         122 :          potential%elec_conf(1) = potential%elec_conf(1) - 24
    1148         122 :          potential%elec_conf(2) = potential%elec_conf(2) - 20
    1149         122 :          potential%elec_conf(3) = potential%elec_conf(3) - 14
    1150             :       CASE (78)
    1151          66 :          potential%elec_conf(0) = potential%elec_conf(0) - 10
    1152          66 :          potential%elec_conf(1) = potential%elec_conf(1) - 24
    1153          66 :          potential%elec_conf(2) = potential%elec_conf(2) - 30
    1154          66 :          potential%elec_conf(3) = potential%elec_conf(3) - 14
    1155             :       CASE (80)
    1156           0 :          potential%elec_conf(0) = potential%elec_conf(0) - 12
    1157           0 :          potential%elec_conf(1) = potential%elec_conf(1) - 24
    1158           0 :          potential%elec_conf(2) = potential%elec_conf(2) - 30
    1159           0 :          potential%elec_conf(3) = potential%elec_conf(3) - 14
    1160             :       CASE (86)
    1161           0 :          potential%elec_conf(0) = potential%elec_conf(0) - 12
    1162           0 :          potential%elec_conf(1) = potential%elec_conf(1) - 30
    1163           0 :          potential%elec_conf(2) = potential%elec_conf(2) - 30
    1164           0 :          potential%elec_conf(3) = potential%elec_conf(3) - 14
    1165             :       CASE (100)
    1166           0 :          potential%elec_conf(0) = potential%elec_conf(0) - 12
    1167           0 :          potential%elec_conf(1) = potential%elec_conf(1) - 30
    1168           0 :          potential%elec_conf(2) = potential%elec_conf(2) - 30
    1169        4238 :          potential%elec_conf(3) = potential%elec_conf(3) - 28
    1170             :       END SELECT
    1171             : 
    1172        4238 :       IF (PRESENT(itype)) THEN
    1173        4238 :          IF (itype == "BARE") THEN
    1174        4238 :             potential%description(1) = "Bare Coulomb Potential"
    1175        4238 :             IF (dz > 0) THEN
    1176        3334 :                potential%description(2) = "Valence charge only"
    1177             :             ELSE
    1178         904 :                potential%description(2) = "Full atomic charge"
    1179             :             END IF
    1180             :          END IF
    1181             :       END IF
    1182             : 
    1183             :    END SUBROUTINE init_all_potential
    1184             : ! **************************************************************************************************
    1185             : !> \brief   Initialise a SGP potential data set structure.
    1186             : !> \param potential ...
    1187             : !> \version 1.0
    1188             : ! **************************************************************************************************
    1189          28 :    SUBROUTINE init_sgp_potential(potential)
    1190             :       TYPE(sgp_potential_type), INTENT(IN), POINTER      :: potential
    1191             : 
    1192             :       INTEGER                                            :: i1, i2, j1, j2, l, la, lb, n1, n2, nnl, &
    1193             :                                                             nprj
    1194          28 :       INTEGER, ALLOCATABLE, DIMENSION(:, :)              :: ind1, ind2
    1195          28 :       REAL(KIND=dp), DIMENSION(:, :), POINTER            :: cprj, hnl
    1196          28 :       REAL(KIND=dp), DIMENSION(:, :, :), POINTER         :: cn
    1197             : 
    1198          28 :       IF (ASSOCIATED(potential)) THEN
    1199          28 :          IF (potential%nppnl > 0) THEN
    1200             :             !
    1201           6 :             IF (ASSOCIATED(potential%cprj_ppnl)) THEN
    1202           0 :                DEALLOCATE (potential%cprj_ppnl)
    1203             :             END IF
    1204           6 :             nnl = potential%n_nonlocal
    1205           6 :             nprj = 0
    1206          12 :             DO l = 0, potential%lmax
    1207          12 :                nprj = nprj + nnl*nso(l)
    1208             :             END DO
    1209          24 :             ALLOCATE (potential%cprj_ppnl(potential%nppnl, nprj))
    1210           6 :             cprj => potential%cprj_ppnl
    1211         438 :             cprj = 0.0_dp
    1212           6 :             cn => potential%c_nonlocal
    1213             :             !
    1214          18 :             ALLOCATE (ind1(potential%nppnl, 3))
    1215          54 :             n1 = 0
    1216          54 :             DO i1 = 1, nnl
    1217         102 :                DO la = 0, potential%lmax
    1218         144 :                   DO j1 = 1, nco(la)
    1219          48 :                      n1 = n1 + 1
    1220          48 :                      ind1(n1, 1) = la
    1221          48 :                      ind1(n1, 2) = j1
    1222          96 :                      ind1(n1, 3) = i1
    1223             :                   END DO
    1224             :                END DO
    1225             :             END DO
    1226             :             !
    1227          18 :             ALLOCATE (ind2(nprj, 3))
    1228          54 :             n2 = 0
    1229          54 :             DO i2 = 1, nnl
    1230         102 :                DO lb = 0, potential%lmax
    1231         144 :                   DO j2 = 1, nso(lb)
    1232          48 :                      n2 = n2 + 1
    1233          48 :                      ind2(n2, 1) = lb
    1234          48 :                      ind2(n2, 2) = j2
    1235          96 :                      ind2(n2, 3) = i2
    1236             :                   END DO
    1237             :                END DO
    1238             :             END DO
    1239             :             !
    1240          54 :             DO n1 = 1, SIZE(ind1, 1)
    1241          48 :                la = ind1(n1, 1)
    1242          48 :                j1 = ind1(n1, 2)
    1243          48 :                i1 = ind1(n1, 3)
    1244         438 :                DO n2 = 1, SIZE(ind2, 1)
    1245         384 :                   lb = ind2(n2, 1)
    1246         384 :                   IF (la /= lb) CYCLE
    1247         384 :                   j2 = ind2(n2, 2)
    1248         384 :                   i2 = ind2(n2, 3)
    1249         432 :                   cprj(n1, n2) = orbtramat(la)%c2s(j2, j1)*cn(i1, i2, la)
    1250             :                END DO
    1251             :             END DO
    1252             :             !
    1253           6 :             hnl => potential%h_nonlocal
    1254           6 :             IF (ASSOCIATED(potential%vprj_ppnl)) THEN
    1255           0 :                DEALLOCATE (potential%vprj_ppnl)
    1256             :             END IF
    1257          18 :             ALLOCATE (potential%vprj_ppnl(nprj))
    1258          54 :             potential%vprj_ppnl = 0.0_dp
    1259          54 :             DO n2 = 1, SIZE(ind2, 1)
    1260          48 :                lb = ind2(n2, 1)
    1261          48 :                i2 = ind2(n2, 3)
    1262          54 :                potential%vprj_ppnl(n2) = hnl(i2, lb)
    1263             :             END DO
    1264             :             !
    1265           6 :             DEALLOCATE (ind1, ind2)
    1266             :          END IF
    1267             :       END IF
    1268             : 
    1269          28 :    END SUBROUTINE init_sgp_potential
    1270             : 
    1271             : ! **************************************************************************************************
    1272             : !> \brief   Read an atomic all-electron potential data set.
    1273             : !> \param element_symbol ...
    1274             : !> \param potential_name ...
    1275             : !> \param potential ...
    1276             : !> \param zeff_correction ...
    1277             : !> \param para_env ...
    1278             : !> \param potential_file_name ...
    1279             : !> \param potential_section ...
    1280             : !> \param update_input ...
    1281             : !> \date    14.05.2000
    1282             : !> \author  MK
    1283             : !> \version 1.0
    1284             : ! **************************************************************************************************
    1285        2056 :    SUBROUTINE read_all_potential(element_symbol, potential_name, potential, zeff_correction, &
    1286             :                                  para_env, potential_file_name, potential_section, update_input)
    1287             : 
    1288             :       CHARACTER(LEN=*), INTENT(IN)                       :: element_symbol, potential_name
    1289             :       TYPE(all_potential_type), INTENT(INOUT)            :: potential
    1290             :       REAL(KIND=dp), INTENT(IN)                          :: zeff_correction
    1291             :       TYPE(mp_para_env_type), INTENT(IN), POINTER        :: para_env
    1292             :       CHARACTER(len=default_path_length), INTENT(IN)     :: potential_file_name
    1293             :       TYPE(section_vals_type), INTENT(IN), POINTER       :: potential_section
    1294             :       LOGICAL, INTENT(IN)                                :: update_input
    1295             : 
    1296             :       CHARACTER(LEN=240)                                 :: line
    1297             :       CHARACTER(LEN=242)                                 :: line2
    1298             :       CHARACTER(len=5*default_string_length)             :: line_att
    1299        1028 :       CHARACTER(LEN=LEN(element_symbol))                 :: symbol
    1300        1028 :       CHARACTER(LEN=LEN(element_symbol)+2)               :: symbol2
    1301        1028 :       CHARACTER(LEN=LEN(potential_name))                 :: apname
    1302        1028 :       CHARACTER(LEN=LEN(potential_name)+2)               :: apname2
    1303             :       INTEGER                                            :: irep, l, strlen1, strlen2
    1304        1028 :       INTEGER, DIMENSION(:), POINTER                     :: elec_conf
    1305             :       LOGICAL                                            :: found, is_ok, match, read_from_input
    1306             :       REAL(KIND=dp)                                      :: alpha, r
    1307             :       TYPE(cp_parser_type), POINTER                      :: parser
    1308             :       TYPE(cp_sll_val_type), POINTER                     :: list
    1309             :       TYPE(val_type), POINTER                            :: val
    1310             : 
    1311        1028 :       line2 = ""
    1312        1028 :       symbol2 = ""
    1313        1028 :       apname2 = ""
    1314        1028 :       NULLIFY (parser)
    1315        1028 :       CALL cite_reference(Krack2000)
    1316             : 
    1317        1028 :       potential%name = potential_name
    1318             :       read_from_input = .FALSE.
    1319        1028 :       CALL section_vals_get(potential_section, explicit=read_from_input)
    1320        1028 :       IF (.NOT. read_from_input) THEN
    1321        3042 :          ALLOCATE (parser)
    1322        1014 :          CALL parser_create(parser, potential_file_name, para_env=para_env)
    1323             :       END IF
    1324             : 
    1325             :       ! Search for the requested potential in the potential file
    1326             :       ! until the potential is found or the end of file is reached
    1327             : 
    1328        1028 :       apname = potential_name
    1329        1028 :       symbol = element_symbol
    1330        1028 :       irep = 0
    1331             :       search_loop: DO
    1332        4830 :          IF (read_from_input) THEN
    1333          14 :             NULLIFY (list, val)
    1334          14 :             found = .TRUE.
    1335          14 :             CALL section_vals_list_get(potential_section, "_DEFAULT_KEYWORD_", list=list)
    1336             :          ELSE
    1337        4816 :             CALL parser_search_string(parser, TRIM(apname), .TRUE., found, line)
    1338             :          END IF
    1339        4830 :          IF (found) THEN
    1340        4830 :             CALL uppercase(symbol)
    1341        4830 :             CALL uppercase(apname)
    1342             : 
    1343        4830 :             IF (read_from_input) THEN
    1344             :                match = .TRUE.
    1345             :             ELSE
    1346             :                ! Check both the element symbol and the atomic potential name
    1347        4816 :                match = .FALSE.
    1348        4816 :                CALL uppercase(line)
    1349        4816 :                line2 = " "//line//" "
    1350        4816 :                symbol2 = " "//TRIM(symbol)//" "
    1351        4816 :                apname2 = " "//TRIM(apname)//" "
    1352        4816 :                strlen1 = LEN_TRIM(symbol2) + 1
    1353        4816 :                strlen2 = LEN_TRIM(apname2) + 1
    1354             : 
    1355        4816 :                IF ((INDEX(line2, symbol2(:strlen1)) > 0) .AND. &
    1356        1014 :                    (INDEX(line2, apname2(:strlen2)) > 0)) match = .TRUE.
    1357             :             END IF
    1358        4830 :             IF (match) THEN
    1359             :                ! Read the electronic configuration
    1360        1028 :                NULLIFY (elec_conf)
    1361        1028 :                l = 0
    1362        1028 :                CALL reallocate(elec_conf, 0, l)
    1363        1028 :                IF (read_from_input) THEN
    1364          14 :                   is_ok = cp_sll_val_next(list, val)
    1365          14 :                   IF (.NOT. is_ok) &
    1366             :                      CALL cp_abort(__LOCATION__, &
    1367           0 :                                    "Error reading the Potential from input file!")
    1368          14 :                   CALL val_get(val, c_val=line_att)
    1369          14 :                   READ (line_att, *) elec_conf(l)
    1370          14 :                   CALL remove_word(line_att)
    1371          44 :                   DO WHILE (LEN_TRIM(line_att) /= 0)
    1372          30 :                      l = l + 1
    1373          30 :                      CALL reallocate(elec_conf, 0, l)
    1374          30 :                      READ (line_att, *) elec_conf(l)
    1375          44 :                      CALL remove_word(line_att)
    1376             :                   END DO
    1377             :                ELSE
    1378        1014 :                   CALL parser_get_object(parser, elec_conf(l), newline=.TRUE.)
    1379        3042 :                   DO WHILE (parser_test_next_token(parser) == "INT")
    1380        2028 :                      l = l + 1
    1381        2028 :                      CALL reallocate(elec_conf, 0, l)
    1382        2028 :                      CALL parser_get_object(parser, elec_conf(l))
    1383             :                   END DO
    1384        1014 :                   irep = irep + 1
    1385        1014 :                   IF (update_input) THEN
    1386        1008 :                      WRITE (UNIT=line_att, FMT="(T8,*(1X,I0))") elec_conf(:)
    1387             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1388        1008 :                                                c_val=TRIM(line_att))
    1389             :                   END IF
    1390             :                END IF
    1391             : 
    1392        1028 :                CALL reallocate(potential%elec_conf, 0, l)
    1393        4114 :                potential%elec_conf(:) = elec_conf(:)
    1394             : 
    1395        1028 :                potential%zeff_correction = zeff_correction
    1396        4114 :                potential%zeff = REAL(SUM(elec_conf), dp) + zeff_correction
    1397             : 
    1398        1028 :                DEALLOCATE (elec_conf)
    1399             : 
    1400             :                ! Read r(loc) to define the exponent of the core charge
    1401             :                ! distribution and calculate the corresponding coefficient
    1402             : 
    1403        1028 :                IF (read_from_input) THEN
    1404          14 :                   is_ok = cp_sll_val_next(list, val)
    1405          14 :                   IF (.NOT. is_ok) &
    1406             :                      CALL cp_abort(__LOCATION__, &
    1407           0 :                                    "Error reading the Potential from input file!")
    1408          14 :                   CALL val_get(val, c_val=line_att)
    1409          14 :                   READ (line_att, *) r
    1410             :                ELSE
    1411        1014 :                   CALL parser_get_object(parser, r, newline=.TRUE.)
    1412        1014 :                   irep = irep + 1
    1413        1014 :                   IF (update_input) THEN
    1414        1008 :                      WRITE (UNIT=line_att, FMT="(T9,ES25.16E3)") r
    1415             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1416        1008 :                                                c_val=TRIM(line_att))
    1417             :                   END IF
    1418             :                END IF
    1419        1028 :                alpha = 1.0_dp/(2.0_dp*r**2)
    1420             : 
    1421        1028 :                potential%alpha_core_charge = alpha
    1422        1028 :                potential%ccore_charge = potential%zeff*SQRT((alpha/pi)**3)
    1423             : 
    1424             :                EXIT search_loop
    1425             :             END IF
    1426             :          ELSE
    1427             :             ! Stop program, if the end of file is reached
    1428             :             CALL cp_abort(__LOCATION__, &
    1429             :                           "The requested atomic potential <"// &
    1430             :                           TRIM(potential_name)// &
    1431             :                           "> for element <"// &
    1432             :                           TRIM(symbol)// &
    1433             :                           "> was not found in the potential file <"// &
    1434           0 :                           TRIM(potential_file_name)//">")
    1435             :          END IF
    1436             :       END DO search_loop
    1437             : 
    1438        1028 :       IF (.NOT. read_from_input) THEN
    1439             :          ! Dump the potential info in the potential section
    1440        1014 :          IF (match .AND. update_input) THEN
    1441        1008 :             irep = irep + 1
    1442             :             WRITE (UNIT=line_att, FMT="(T9,A)") &
    1443             :                "# Potential name: "//TRIM(ADJUSTL(apname2(:strlen2)))// &
    1444        1008 :                " for element symbol: "//TRIM(ADJUSTL(symbol2(:strlen1)))
    1445             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1446        1008 :                                       c_val=TRIM(line_att))
    1447        1008 :             irep = irep + 1
    1448             :             WRITE (UNIT=line_att, FMT="(T9,A)") &
    1449        1008 :                "# Potential read from the potential filename: "//TRIM(ADJUSTL(potential_file_name))
    1450             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1451        1008 :                                       c_val=TRIM(line_att))
    1452             :          END IF
    1453        1014 :          CALL parser_release(parser)
    1454        1014 :          DEALLOCATE (parser)
    1455             :       END IF
    1456             : 
    1457        1028 :    END SUBROUTINE read_all_potential
    1458             : 
    1459             : ! **************************************************************************************************
    1460             : !> \brief   Read an atomic local potential data set.
    1461             : !> \param element_symbol ...
    1462             : !> \param potential_name ...
    1463             : !> \param potential ...
    1464             : !> \param para_env ...
    1465             : !> \param potential_file_name ...
    1466             : !> \param potential_section ...
    1467             : !> \param update_input ...
    1468             : !> \date    24.12.2014
    1469             : !> \author  JGH
    1470             : !> \version 1.0
    1471             : ! **************************************************************************************************
    1472          40 :    SUBROUTINE read_local_potential(element_symbol, potential_name, potential, &
    1473             :                                    para_env, potential_file_name, potential_section, update_input)
    1474             : 
    1475             :       CHARACTER(LEN=*), INTENT(IN)                       :: element_symbol, potential_name
    1476             :       TYPE(local_potential_type), INTENT(INOUT)          :: potential
    1477             :       TYPE(mp_para_env_type), INTENT(IN), POINTER        :: para_env
    1478             :       CHARACTER(len=default_path_length), INTENT(IN)     :: potential_file_name
    1479             :       TYPE(section_vals_type), INTENT(IN), POINTER       :: potential_section
    1480             :       LOGICAL, INTENT(IN)                                :: update_input
    1481             : 
    1482             :       REAL(KIND=dp), PARAMETER                           :: eps_tpot = 1.0E-10_dp
    1483             : 
    1484             :       CHARACTER(LEN=240)                                 :: line
    1485             :       CHARACTER(LEN=242)                                 :: line2
    1486             :       CHARACTER(len=5*default_string_length)             :: line_att
    1487          20 :       CHARACTER(LEN=LEN(element_symbol))                 :: symbol
    1488          20 :       CHARACTER(LEN=LEN(element_symbol)+2)               :: symbol2
    1489          20 :       CHARACTER(LEN=LEN(potential_name))                 :: apname
    1490          20 :       CHARACTER(LEN=LEN(potential_name)+2)               :: apname2
    1491             :       INTEGER                                            :: igau, ipol, irep, l, ngau, npol, &
    1492             :                                                             strlen1, strlen2
    1493             :       LOGICAL                                            :: found, is_ok, match, read_from_input
    1494          20 :       REAL(KIND=dp), DIMENSION(:), POINTER               :: alpha
    1495          20 :       REAL(KIND=dp), DIMENSION(:, :), POINTER            :: cval
    1496             :       TYPE(cp_parser_type), POINTER                      :: parser
    1497             :       TYPE(cp_sll_val_type), POINTER                     :: list
    1498             :       TYPE(val_type), POINTER                            :: val
    1499             : 
    1500          20 :       line2 = ""
    1501          20 :       symbol2 = ""
    1502          20 :       apname2 = ""
    1503          20 :       NULLIFY (parser, alpha, cval)
    1504             : 
    1505          20 :       potential%name = potential_name
    1506             :       read_from_input = .FALSE.
    1507          20 :       CALL section_vals_get(potential_section, explicit=read_from_input)
    1508          20 :       IF (.NOT. read_from_input) THEN
    1509          60 :          ALLOCATE (parser)
    1510          20 :          CALL parser_create(parser, potential_file_name, para_env=para_env)
    1511             :       END IF
    1512             : 
    1513             :       ! Search for the requested potential in the potential file
    1514             :       ! until the potential is found or the end of file is reached
    1515             : 
    1516          20 :       apname = potential_name
    1517          20 :       symbol = element_symbol
    1518          20 :       irep = 0
    1519             :       search_loop: DO
    1520          28 :          IF (read_from_input) THEN
    1521           0 :             NULLIFY (list, val)
    1522           0 :             found = .TRUE.
    1523           0 :             CALL section_vals_list_get(potential_section, "_DEFAULT_KEYWORD_", list=list)
    1524             :          ELSE
    1525          28 :             CALL parser_search_string(parser, TRIM(apname), .TRUE., found, line)
    1526             :          END IF
    1527          28 :          IF (found) THEN
    1528          28 :             CALL uppercase(symbol)
    1529          28 :             CALL uppercase(apname)
    1530             : 
    1531          28 :             IF (read_from_input) THEN
    1532             :                match = .TRUE.
    1533             :             ELSE
    1534             :                ! Check both the element symbol and the atomic potential name
    1535          28 :                match = .FALSE.
    1536          28 :                CALL uppercase(line)
    1537          28 :                line2 = " "//line//" "
    1538          28 :                symbol2 = " "//TRIM(symbol)//" "
    1539          28 :                apname2 = " "//TRIM(apname)//" "
    1540          28 :                strlen1 = LEN_TRIM(symbol2) + 1
    1541          28 :                strlen2 = LEN_TRIM(apname2) + 1
    1542             : 
    1543          28 :                IF ((INDEX(line2, symbol2(:strlen1)) > 0) .AND. &
    1544          20 :                    (INDEX(line2, apname2(:strlen2)) > 0)) match = .TRUE.
    1545             :             END IF
    1546          28 :             IF (match) THEN
    1547             : 
    1548             :                ! Read ngau and npol
    1549          20 :                IF (read_from_input) THEN
    1550           0 :                   is_ok = cp_sll_val_next(list, val)
    1551           0 :                   IF (.NOT. is_ok) &
    1552             :                      CALL cp_abort(__LOCATION__, &
    1553           0 :                                    "Error reading the Potential from input file!")
    1554           0 :                   CALL val_get(val, c_val=line_att)
    1555           0 :                   READ (line_att, *) ngau, npol
    1556           0 :                   CALL remove_word(line_att)
    1557             :                ELSE
    1558          20 :                   CALL parser_get_object(parser, ngau, newline=.TRUE.)
    1559          20 :                   CALL parser_get_object(parser, npol)
    1560          20 :                   irep = irep + 1
    1561          20 :                   IF (update_input) THEN
    1562          20 :                      WRITE (UNIT=line_att, FMT="(2(1X,I0))") ngau, npol
    1563             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1564          20 :                                                c_val=TRIM(line_att))
    1565             :                   END IF
    1566             :                END IF
    1567             : 
    1568          20 :                CALL reallocate(alpha, 1, ngau)
    1569          20 :                CALL reallocate(cval, 1, ngau, 1, npol)
    1570          68 :                DO igau = 1, ngau
    1571          68 :                   IF (read_from_input) THEN
    1572           0 :                      is_ok = cp_sll_val_next(list, val)
    1573           0 :                      IF (.NOT. is_ok) &
    1574             :                         CALL cp_abort(__LOCATION__, &
    1575           0 :                                       "Error reading the Potential from input file!")
    1576           0 :                      CALL val_get(val, c_val=line_att)
    1577           0 :                      READ (line_att, *) alpha(igau), (cval(igau, ipol), ipol=1, npol)
    1578             :                   ELSE
    1579          48 :                      CALL parser_get_object(parser, alpha(igau), newline=.TRUE.)
    1580         120 :                      DO ipol = 1, npol
    1581         120 :                         CALL parser_get_object(parser, cval(igau, ipol), newline=.FALSE.)
    1582             :                      END DO
    1583          48 :                      irep = irep + 1
    1584          48 :                      IF (update_input) THEN
    1585          48 :                         WRITE (UNIT=line_att, FMT="(*(ES25.16E3))") alpha(igau), (cval(igau, ipol), ipol=1, npol)
    1586             :                         CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1587          48 :                                                   c_val=TRIM(line_att))
    1588             :                      END IF
    1589             :                   END IF
    1590             :                END DO
    1591          68 :                alpha = 1.0_dp/(2.0_dp*alpha**2)
    1592             : 
    1593          20 :                potential%ngau = ngau
    1594          20 :                potential%npol = npol
    1595             : 
    1596          20 :                potential%alpha => alpha
    1597          20 :                potential%cval => cval
    1598             : 
    1599          20 :                potential%radius = 0.0_dp
    1600          68 :                DO igau = 1, ngau
    1601         140 :                   DO ipol = 1, npol
    1602          72 :                      l = 2*(ipol - 1)
    1603             :                      potential%radius = MAX(potential%radius, &
    1604             :                                             exp_radius(l, alpha(igau), eps_tpot, cval(igau, ipol), &
    1605         120 :                                                        rlow=potential%radius))
    1606             :                   END DO
    1607             :                END DO
    1608             : 
    1609             :                EXIT search_loop
    1610             :             END IF
    1611             :          ELSE
    1612             :             ! Stop program, if the end of file is reached
    1613             :             CALL cp_abort(__LOCATION__, &
    1614             :                           "The requested local atomic potential <"// &
    1615             :                           TRIM(potential_name)// &
    1616             :                           "> for element <"// &
    1617             :                           TRIM(symbol)// &
    1618             :                           "> was not found in the potential file <"// &
    1619           0 :                           TRIM(potential_file_name)//">")
    1620             :          END IF
    1621             :       END DO search_loop
    1622             : 
    1623          20 :       IF (.NOT. read_from_input) THEN
    1624             :          ! Dump the potential info in the potential section
    1625          20 :          IF (match .AND. update_input) THEN
    1626          20 :             irep = irep + 1
    1627             :             WRITE (UNIT=line_att, FMT="(A)") &
    1628             :                "# Potential name: "//TRIM(ADJUSTL(apname2(:strlen2)))// &
    1629          20 :                " for element symbol: "//TRIM(ADJUSTL(symbol2(:strlen1)))
    1630             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1631          20 :                                       c_val=TRIM(line_att))
    1632          20 :             irep = irep + 1
    1633             :             WRITE (UNIT=line_att, FMT="(A)") &
    1634          20 :                "# Potential read from the potential filename: "//TRIM(ADJUSTL(potential_file_name))
    1635             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1636          20 :                                       c_val=TRIM(line_att))
    1637             :          END IF
    1638          20 :          CALL parser_release(parser)
    1639          20 :          DEALLOCATE (parser)
    1640             :       END IF
    1641             : 
    1642          20 :    END SUBROUTINE read_local_potential
    1643             : 
    1644             : ! **************************************************************************************************
    1645             : !> \brief Read an atomic GTH potential data set.
    1646             : !> \param element_symbol ...
    1647             : !> \param potential_name ...
    1648             : !> \param potential ...
    1649             : !> \param zeff_correction ...
    1650             : !> \param para_env ...
    1651             : !> \param potential_file_name ...
    1652             : !> \param potential_section ...
    1653             : !> \param update_input ...
    1654             : !> \date    14.05.2000
    1655             : !> \par  Literature
    1656             : !>         - S. Goedecker, M. Teter and J. Hutter,
    1657             : !>                Phys. Rev. B 54, 1703 (1996)
    1658             : !>         - C. Hartwigsen, S. Goedecker and J. Hutter,
    1659             : !>                Phys. Rev. B 58, 3641 (1998)
    1660             : !> \par  History
    1661             : !>       - Add SOC key (27.06.2023, MK)
    1662             : !> \author  MK
    1663             : !> \version 1.0
    1664             : ! **************************************************************************************************
    1665       16462 :    SUBROUTINE read_gth_potential(element_symbol, potential_name, potential, zeff_correction, &
    1666             :                                  para_env, potential_file_name, potential_section, update_input)
    1667             : 
    1668             :       CHARACTER(LEN=*), INTENT(IN)                       :: element_symbol, potential_name
    1669             :       TYPE(gth_potential_type), INTENT(INOUT)            :: potential
    1670             :       REAL(KIND=dp), INTENT(IN)                          :: zeff_correction
    1671             :       TYPE(mp_para_env_type), INTENT(IN), POINTER        :: para_env
    1672             :       CHARACTER(len=default_path_length), INTENT(IN)     :: potential_file_name
    1673             :       TYPE(section_vals_type), INTENT(IN), POINTER       :: potential_section
    1674             :       LOGICAL, INTENT(IN)                                :: update_input
    1675             : 
    1676             :       CHARACTER(LEN=240)                                 :: line
    1677             :       CHARACTER(LEN=242)                                 :: line2
    1678             :       CHARACTER(len=5*default_string_length)             :: line_att
    1679        8231 :       CHARACTER(LEN=LEN(element_symbol))                 :: symbol
    1680        8231 :       CHARACTER(LEN=LEN(element_symbol)+2)               :: symbol2
    1681        8231 :       CHARACTER(LEN=LEN(potential_name))                 :: apname
    1682        8231 :       CHARACTER(LEN=LEN(potential_name)+2)               :: apname2
    1683             :       INTEGER                                            :: i, ic, ipot, irep, istr, j, l, lppnl, &
    1684             :                                                             lprj_ppnl_max, maxlppl, n, nppnl, &
    1685             :                                                             nprj_ppnl, nprj_ppnl_max, strlen1, &
    1686             :                                                             strlen2
    1687        8231 :       INTEGER, DIMENSION(:), POINTER                     :: elec_conf
    1688             :       LOGICAL                                            :: found, is_ok, match, read_from_input
    1689             :       REAL(KIND=dp)                                      :: alpha, ci, r, rc2
    1690        8231 :       REAL(KIND=dp), DIMENSION(:), POINTER               :: tmp_vals
    1691        8231 :       REAL(KIND=dp), DIMENSION(:, :, :), POINTER         :: hprj_ppnl, kprj_ppnl
    1692             :       TYPE(cp_parser_type), POINTER                      :: parser
    1693             :       TYPE(cp_sll_val_type), POINTER                     :: list
    1694             :       TYPE(val_type), POINTER                            :: val
    1695             : 
    1696        8231 :       line2 = ""
    1697        8231 :       symbol2 = ""
    1698        8231 :       apname2 = ""
    1699        8231 :       NULLIFY (parser, tmp_vals)
    1700        8231 :       CALL cite_reference(Goedecker1996)
    1701        8231 :       CALL cite_reference(Hartwigsen1998)
    1702        8231 :       CALL cite_reference(Krack2005)
    1703             : 
    1704        8231 :       potential%name = potential_name
    1705        8231 :       potential%aliases = potential_name
    1706             :       read_from_input = .FALSE.
    1707        8231 :       CALL section_vals_get(potential_section, explicit=read_from_input)
    1708        8231 :       IF (.NOT. read_from_input) THEN
    1709       22653 :          ALLOCATE (parser)
    1710        7551 :          CALL parser_create(parser, potential_file_name, para_env=para_env)
    1711             :       END IF
    1712             : 
    1713             :       ! Initialize extended form
    1714        8231 :       potential%lpotextended = .FALSE.
    1715        8231 :       potential%nexp_lpot = 0
    1716        8231 :       potential%lsdpot = .FALSE.
    1717        8231 :       potential%nexp_lsd = 0
    1718        8231 :       potential%nlcc = .FALSE.
    1719        8231 :       potential%nexp_nlcc = 0
    1720             : 
    1721             :       ! Search for the requested potential in the potential file
    1722             :       ! until the potential is found or the end of file is reached
    1723        8231 :       apname = potential_name
    1724        8231 :       symbol = element_symbol
    1725        8231 :       irep = 0
    1726             :       search_loop: DO
    1727       10689 :          IF (read_from_input) THEN
    1728         680 :             NULLIFY (list, val)
    1729         680 :             found = .TRUE.
    1730         680 :             CALL section_vals_list_get(potential_section, "_DEFAULT_KEYWORD_", list=list)
    1731             :          ELSE
    1732       10009 :             CALL parser_search_string(parser, TRIM(apname), .TRUE., found, line)
    1733             :          END IF
    1734       10689 :          IF (found) THEN
    1735       10689 :             CALL uppercase(symbol)
    1736       10689 :             CALL uppercase(apname)
    1737       10689 :             IF (read_from_input) THEN
    1738             :                match = .TRUE.
    1739             :             ELSE
    1740             :                ! Check both the element symbol and the atomic potential name
    1741       10009 :                match = .FALSE.
    1742       10009 :                CALL uppercase(line)
    1743       10009 :                line2 = " "//line//" "
    1744       10009 :                symbol2 = " "//TRIM(symbol)//" "
    1745       10009 :                apname2 = " "//TRIM(apname)//" "
    1746       10009 :                strlen1 = LEN_TRIM(symbol2) + 1
    1747       10009 :                strlen2 = LEN_TRIM(apname2) + 1
    1748       10009 :                i = INDEX(line2, symbol2(:strlen1))
    1749       10009 :                j = INDEX(line2, apname2(:strlen2))
    1750       10009 :                IF (i > 0 .AND. j > 0) THEN
    1751        7551 :                   match = .TRUE.
    1752        7551 :                   i = i + 1 + INDEX(line2(i + 1:), " ")
    1753        7551 :                   potential%aliases = line2(i:) ! copy all names into aliases field
    1754             :                END IF
    1755             :             END IF
    1756       10689 :             IF (match) THEN
    1757             :                ! Read the electronic configuration
    1758        8231 :                NULLIFY (elec_conf)
    1759        8231 :                l = 0
    1760        8231 :                CALL reallocate(elec_conf, 0, l)
    1761        8231 :                IF (read_from_input) THEN
    1762         680 :                   is_ok = cp_sll_val_next(list, val)
    1763         680 :                   IF (.NOT. is_ok) &
    1764             :                      CALL cp_abort(__LOCATION__, &
    1765           0 :                                    "Error while reading GTH potential from input file")
    1766         680 :                   CALL val_get(val, c_val=line_att)
    1767         680 :                   READ (line_att, *) elec_conf(l)
    1768         680 :                   CALL remove_word(line_att)
    1769        1016 :                   DO WHILE (LEN_TRIM(line_att) /= 0)
    1770         336 :                      l = l + 1
    1771         336 :                      CALL reallocate(elec_conf, 0, l)
    1772         336 :                      READ (line_att, *) elec_conf(l)
    1773        1016 :                      CALL remove_word(line_att)
    1774             :                   END DO
    1775             :                ELSE
    1776        7551 :                   CALL parser_get_object(parser, elec_conf(l), newline=.TRUE.)
    1777       13458 :                   DO WHILE (parser_test_next_token(parser) == "INT")
    1778        5907 :                      l = l + 1
    1779        5907 :                      CALL reallocate(elec_conf, 0, l)
    1780        5907 :                      CALL parser_get_object(parser, elec_conf(l))
    1781             :                   END DO
    1782        7551 :                   irep = irep + 1
    1783        7551 :                   IF (update_input) THEN
    1784        7505 :                      WRITE (UNIT=line_att, FMT="(T8,*(1X,I0))") elec_conf(:)
    1785             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1786        7505 :                                                c_val=TRIM(line_att))
    1787             :                   END IF
    1788             :                END IF
    1789             : 
    1790        8231 :                CALL reallocate(potential%elec_conf, 0, l)
    1791       22705 :                potential%elec_conf(:) = elec_conf(:)
    1792             : 
    1793        8231 :                potential%zeff_correction = zeff_correction
    1794       22705 :                potential%zeff = REAL(SUM(elec_conf), dp) + zeff_correction
    1795             : 
    1796        8231 :                DEALLOCATE (elec_conf)
    1797             : 
    1798             :                ! Read r(loc) to define the exponent of the core charge
    1799             :                ! distribution and calculate the corresponding coefficient
    1800        8231 :                IF (read_from_input) THEN
    1801         680 :                   is_ok = cp_sll_val_next(list, val)
    1802         680 :                   IF (.NOT. is_ok) &
    1803             :                      CALL cp_abort(__LOCATION__, &
    1804           0 :                                    "Error while reading GTH potential from input file")
    1805         680 :                   CALL val_get(val, c_val=line_att)
    1806         680 :                   READ (line_att, *) r
    1807         680 :                   CALL remove_word(line_att)
    1808             :                ELSE
    1809        7551 :                   line_att = ""
    1810        7551 :                   CALL parser_get_object(parser, r, newline=.TRUE.)
    1811        7551 :                   istr = LEN_TRIM(line_att) + 1
    1812        7551 :                   WRITE (UNIT=line_att(istr:), FMT="(T9,ES25.16E3)") r
    1813             :                END IF
    1814        8231 :                alpha = 1.0_dp/(2.0_dp*r**2)
    1815             : 
    1816        8231 :                potential%alpha_core_charge = alpha
    1817        8231 :                potential%ccore_charge = potential%zeff*SQRT((alpha/pi)**3)
    1818             : 
    1819        8231 :                potential%alpha_ppl = alpha
    1820        8231 :                potential%cerf_ppl = potential%zeff*SQRT((alpha/pi)**3)
    1821             : 
    1822             :                ! Read the parameters for the local part of the GTH pseudopotential (ppl)
    1823        8231 :                IF (read_from_input) THEN
    1824         680 :                   READ (line_att, *) n
    1825         680 :                   CALL remove_word(line_att)
    1826             :                ELSE
    1827        7551 :                   CALL parser_get_object(parser, n)
    1828        7551 :                   istr = LEN_TRIM(line_att) + 1
    1829        7551 :                   WRITE (UNIT=line_att(istr:), FMT="(1X,I0)") n
    1830             :                END IF
    1831        8231 :                potential%nexp_ppl = n
    1832        8231 :                CALL reallocate(potential%cexp_ppl, 1, n)
    1833             : 
    1834       24305 :                DO i = 1, n
    1835       16074 :                   IF (read_from_input) THEN
    1836        1330 :                      READ (line_att, *) ci
    1837        1330 :                      CALL remove_word(line_att)
    1838             :                   ELSE
    1839       14744 :                      CALL parser_get_object(parser, ci)
    1840       14744 :                      istr = LEN_TRIM(line_att) + 1
    1841       14744 :                      WRITE (UNIT=line_att(istr:), FMT="(ES25.16E3)") ci
    1842             :                   END IF
    1843       16074 :                   rc2 = (2.0_dp*potential%alpha_ppl)
    1844       24305 :                   potential%cexp_ppl(i) = rc2**(i - 1)*ci
    1845             :                END DO
    1846             : 
    1847        8231 :                IF (.NOT. read_from_input) THEN
    1848        7551 :                   irep = irep + 1
    1849        7551 :                   IF (update_input) THEN
    1850             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1851        7505 :                                                c_val=TRIM(line_att))
    1852             :                   END IF
    1853        7551 :                   line_att = ""
    1854             :                ELSE
    1855         680 :                   IF (LEN_TRIM(line_att) /= 0) THEN
    1856             :                      CALL cp_abort(__LOCATION__, &
    1857           0 :                                    "Error while reading GTH potential from input file")
    1858             :                   END IF
    1859             :                END IF
    1860        8231 :                maxlppl = 2*(n - 1)
    1861             : 
    1862        8231 :                IF (maxlppl > -1) CALL init_orbital_pointers(maxlppl)
    1863             : 
    1864             :                ! Read extended form of GTH pseudopotential
    1865             :                ! local potential, NLCC, LSD potential, spin-orbit coupling (SOC)
    1866        8231 :                IF (read_from_input) THEN
    1867             :                   read_keywords_from_input: DO
    1868         686 :                      is_ok = cp_sll_val_next(list, val)
    1869         686 :                      CPASSERT(is_ok)
    1870         686 :                      CALL val_get(val, c_val=line_att)
    1871        1366 :                      IF (INDEX(line_att, "LPOT") /= 0) THEN
    1872           0 :                         potential%lpotextended = .TRUE.
    1873           0 :                         CALL remove_word(line_att)
    1874           0 :                         READ (line_att, *) potential%nexp_lpot
    1875           0 :                         n = potential%nexp_lpot
    1876           0 :                         maxlppl = 2*(n - 1)
    1877           0 :                         IF (maxlppl > -1) CALL init_orbital_pointers(maxlppl)
    1878           0 :                         NULLIFY (potential%alpha_lpot, potential%nct_lpot, potential%cval_lpot)
    1879           0 :                         CALL reallocate(potential%alpha_lpot, 1, n)
    1880           0 :                         CALL reallocate(potential%nct_lpot, 1, n)
    1881           0 :                         CALL reallocate(potential%cval_lpot, 1, 4, 1, n)
    1882           0 :                         DO ipot = 1, potential%nexp_lpot
    1883           0 :                            is_ok = cp_sll_val_next(list, val)
    1884           0 :                            CPASSERT(is_ok)
    1885           0 :                            CALL val_get(val, c_val=line_att)
    1886           0 :                            READ (line_att, *) r
    1887           0 :                            potential%alpha_lpot(ipot) = 0.5_dp/(r*r)
    1888           0 :                            CALL remove_word(line_att)
    1889           0 :                            READ (line_att, *) potential%nct_lpot(ipot)
    1890           0 :                            CALL remove_word(line_att)
    1891           0 :                            DO ic = 1, potential%nct_lpot(ipot)
    1892           0 :                               READ (line_att, *) ci
    1893           0 :                               rc2 = (2._dp*potential%alpha_lpot(ipot))**(ic - 1)
    1894           0 :                               potential%cval_lpot(ic, ipot) = ci*rc2
    1895           0 :                               CALL remove_word(line_att)
    1896             :                            END DO
    1897             :                         END DO
    1898         686 :                      ELSE IF (INDEX(line_att, "NLCC") /= 0) THEN
    1899           6 :                         potential%nlcc = .TRUE.
    1900           6 :                         CALL remove_word(line_att)
    1901           6 :                         READ (line_att, *) potential%nexp_nlcc
    1902           6 :                         n = potential%nexp_nlcc
    1903           6 :                         NULLIFY (potential%alpha_nlcc, potential%nct_nlcc, potential%cval_nlcc)
    1904           6 :                         CALL reallocate(potential%alpha_nlcc, 1, n)
    1905           6 :                         CALL reallocate(potential%nct_nlcc, 1, n)
    1906           6 :                         CALL reallocate(potential%cval_nlcc, 1, 4, 1, n)
    1907          12 :                         DO ipot = 1, potential%nexp_nlcc
    1908           6 :                            is_ok = cp_sll_val_next(list, val)
    1909           6 :                            CPASSERT(is_ok)
    1910           6 :                            CALL val_get(val, c_val=line_att)
    1911           6 :                            READ (line_att, *) potential%alpha_nlcc(ipot)
    1912           6 :                            CALL remove_word(line_att)
    1913           6 :                            READ (line_att, *) potential%nct_nlcc(ipot)
    1914           6 :                            CALL remove_word(line_att)
    1915          22 :                            DO ic = 1, potential%nct_nlcc(ipot)
    1916          10 :                               READ (line_att, *) potential%cval_nlcc(ic, ipot)
    1917             :                               ! Make it compatible with BigDFT style
    1918          10 :                               potential%cval_nlcc(ic, ipot) = potential%cval_nlcc(ic, ipot)/(4.0_dp*pi)
    1919          16 :                               CALL remove_word(line_att)
    1920             :                            END DO
    1921             :                         END DO
    1922         680 :                      ELSE IF (INDEX(line_att, "LSD") /= 0) THEN
    1923           0 :                         potential%lsdpot = .TRUE.
    1924           0 :                         CALL remove_word(line_att)
    1925           0 :                         READ (line_att, *) potential%nexp_lsd
    1926           0 :                         n = potential%nexp_lsd
    1927           0 :                         NULLIFY (potential%alpha_lsd, potential%nct_lsd, potential%cval_lsd)
    1928           0 :                         CALL reallocate(potential%alpha_lsd, 1, n)
    1929           0 :                         CALL reallocate(potential%nct_lsd, 1, n)
    1930           0 :                         CALL reallocate(potential%cval_lsd, 1, 4, 1, n)
    1931           0 :                         DO ipot = 1, potential%nexp_lsd
    1932           0 :                            is_ok = cp_sll_val_next(list, val)
    1933           0 :                            CPASSERT(is_ok)
    1934           0 :                            CALL val_get(val, c_val=line_att)
    1935           0 :                            READ (line_att, *) r
    1936           0 :                            potential%alpha_lsd(ipot) = 0.5_dp/(r*r)
    1937           0 :                            CALL remove_word(line_att)
    1938           0 :                            READ (line_att, *) potential%nct_lsd(ipot)
    1939           0 :                            CALL remove_word(line_att)
    1940           0 :                            DO ic = 1, potential%nct_lsd(ipot)
    1941           0 :                               READ (line_att, *) ci
    1942           0 :                               rc2 = (2._dp*potential%alpha_lsd(ipot))**(ic - 1)
    1943           0 :                               potential%cval_lsd(ic, ipot) = ci*rc2
    1944           0 :                               CALL remove_word(line_att)
    1945             :                            END DO
    1946             :                         END DO
    1947             :                      ELSE
    1948             :                         EXIT read_keywords_from_input
    1949             :                      END IF
    1950             :                   END DO read_keywords_from_input
    1951             :                ELSE
    1952             :                   read_keywords: DO
    1953        7571 :                      CALL parser_get_next_line(parser, 1)
    1954        7571 :                      IF (parser_test_next_token(parser) == "INT") THEN
    1955             :                         EXIT read_keywords
    1956        7591 :                      ELSE IF (parser_test_next_token(parser) == "STR") THEN
    1957          20 :                         CALL parser_get_object(parser, line)
    1958          20 :                         IF (INDEX(line, "LPOT") /= 0) THEN
    1959             :                            ! Local potential
    1960           8 :                            potential%lpotextended = .TRUE.
    1961           8 :                            CALL parser_get_object(parser, potential%nexp_lpot)
    1962           8 :                            n = potential%nexp_lpot
    1963           8 :                            NULLIFY (potential%alpha_lpot, potential%nct_lpot, potential%cval_lpot)
    1964           8 :                            CALL reallocate(potential%alpha_lpot, 1, n)
    1965           8 :                            CALL reallocate(potential%nct_lpot, 1, n)
    1966           8 :                            CALL reallocate(potential%cval_lpot, 1, 4, 1, n)
    1967             :                            ! Add to input section
    1968           8 :                            irep = irep + 1
    1969           8 :                            IF (update_input) THEN
    1970           8 :                               WRITE (UNIT=line_att, FMT="(T9,A,1X,I0)") "LPOT", n
    1971             :                               CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1972           8 :                                                         c_val=TRIM(line_att))
    1973             :                            END IF
    1974          20 :                            DO ipot = 1, potential%nexp_lpot
    1975          12 :                               CALL parser_get_object(parser, r, newline=.TRUE.)
    1976          12 :                               potential%alpha_lpot(ipot) = 0.5_dp/(r*r)
    1977          12 :                               CALL parser_get_object(parser, potential%nct_lpot(ipot))
    1978          12 :                               CALL reallocate(tmp_vals, 1, potential%nct_lpot(ipot))
    1979          38 :                               DO ic = 1, potential%nct_lpot(ipot)
    1980          26 :                                  CALL parser_get_object(parser, ci)
    1981          26 :                                  tmp_vals(ic) = ci
    1982          26 :                                  rc2 = (2._dp*potential%alpha_lpot(ipot))**(ic - 1)
    1983          38 :                                  potential%cval_lpot(ic, ipot) = ci*rc2
    1984             :                               END DO
    1985             :                               ! Add to input section
    1986          12 :                               irep = irep + 1
    1987          20 :                               IF (update_input) THEN
    1988             :                                  WRITE (UNIT=line_att, FMT="(T9,ES25.16E3,1X,I0,*(ES25.16E3))") &
    1989          12 :                                     r, potential%nct_lpot(ipot), tmp_vals(1:potential%nct_lpot(ipot))
    1990             :                                  CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    1991          12 :                                                            c_val=TRIM(line_att))
    1992             :                               END IF
    1993             :                            END DO
    1994          12 :                         ELSE IF (INDEX(line, "NLCC") /= 0) THEN
    1995             :                            ! NLCC
    1996          12 :                            potential%nlcc = .TRUE.
    1997          12 :                            CALL parser_get_object(parser, potential%nexp_nlcc)
    1998          12 :                            n = potential%nexp_nlcc
    1999          12 :                            NULLIFY (potential%alpha_nlcc, potential%nct_nlcc, potential%cval_nlcc)
    2000          12 :                            CALL reallocate(potential%alpha_nlcc, 1, n)
    2001          12 :                            CALL reallocate(potential%nct_nlcc, 1, n)
    2002          12 :                            CALL reallocate(potential%cval_nlcc, 1, 4, 1, n)
    2003             :                            ! Add to input section
    2004          12 :                            WRITE (UNIT=line_att, FMT="(T9,A,1X,I0)") "NLCC", n
    2005          12 :                            irep = irep + 1
    2006             :                            CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2007          12 :                                                      c_val=TRIM(line_att))
    2008          24 :                            DO ipot = 1, potential%nexp_nlcc
    2009          12 :                               CALL parser_get_object(parser, potential%alpha_nlcc(ipot), newline=.TRUE.)
    2010          12 :                               CALL parser_get_object(parser, potential%nct_nlcc(ipot))
    2011          12 :                               CALL reallocate(tmp_vals, 1, potential%nct_nlcc(ipot))
    2012          24 :                               DO ic = 1, potential%nct_nlcc(ipot)
    2013          12 :                                  CALL parser_get_object(parser, potential%cval_nlcc(ic, ipot))
    2014          12 :                                  tmp_vals(ic) = potential%cval_nlcc(ic, ipot)
    2015             :                                  ! Make it compatible with BigDFT style
    2016          24 :                                  potential%cval_nlcc(ic, ipot) = potential%cval_nlcc(ic, ipot)/(4.0_dp*pi)
    2017             :                               END DO
    2018             :                               ! Add to input section
    2019          12 :                               irep = irep + 1
    2020          24 :                               IF (update_input) THEN
    2021             :                                  WRITE (UNIT=line_att, FMT="(T9,ES25.16E3,1X,I0,*(ES25.16E3))") &
    2022          12 :                                     potential%alpha_nlcc(ipot), potential%nct_nlcc(ipot), &
    2023          24 :                                     tmp_vals(1:potential%nct_nlcc(ipot))
    2024             :                                  CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2025          12 :                                                            c_val=TRIM(line_att))
    2026             :                               END IF
    2027             :                            END DO
    2028           0 :                         ELSE IF (INDEX(line, "LSD") /= 0) THEN
    2029             :                            ! LSD potential
    2030           0 :                            potential%lsdpot = .TRUE.
    2031           0 :                            CALL parser_get_object(parser, potential%nexp_lsd)
    2032           0 :                            n = potential%nexp_lsd
    2033           0 :                            NULLIFY (potential%alpha_lsd, potential%nct_lsd, potential%cval_lsd)
    2034           0 :                            CALL reallocate(potential%alpha_lsd, 1, n)
    2035           0 :                            CALL reallocate(potential%nct_lsd, 1, n)
    2036           0 :                            CALL reallocate(potential%cval_lsd, 1, 4, 1, n)
    2037             :                            ! Add to input section
    2038           0 :                            irep = irep + 1
    2039           0 :                            IF (update_input) THEN
    2040           0 :                               WRITE (UNIT=line_att, FMT="(T9,A,1X,I0)") "LSD", n
    2041             :                               CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2042           0 :                                                         c_val=TRIM(line_att))
    2043             :                            END IF
    2044           0 :                            DO ipot = 1, potential%nexp_lsd
    2045           0 :                               CALL parser_get_object(parser, r, newline=.TRUE.)
    2046           0 :                               potential%alpha_lsd(ipot) = 0.5_dp/(r*r)
    2047           0 :                               CALL parser_get_object(parser, potential%nct_lsd(ipot))
    2048           0 :                               CALL reallocate(tmp_vals, 1, potential%nct_lsd(ipot))
    2049           0 :                               DO ic = 1, potential%nct_lsd(ipot)
    2050           0 :                                  CALL parser_get_object(parser, ci)
    2051           0 :                                  tmp_vals(ic) = ci
    2052           0 :                                  rc2 = (2._dp*potential%alpha_lsd(ipot))**(ic - 1)
    2053           0 :                                  potential%cval_lsd(ic, ipot) = ci*rc2
    2054             :                               END DO
    2055             :                               ! Add to input section
    2056           0 :                               irep = irep + 1
    2057           0 :                               IF (update_input) THEN
    2058           0 :                                  WRITE (UNIT=line_att, FMT="(T9,ES25.16E3,1X,I0,*(ES25.16E3))") r, potential%nct_lsd(ipot), &
    2059           0 :                                     tmp_vals(1:potential%nct_lsd(ipot))
    2060             :                                  CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2061           0 :                                                            c_val=TRIM(line_att))
    2062             :                               END IF
    2063             :                            END DO
    2064             :                         ELSE
    2065             :                            CALL cp_abort(__LOCATION__, &
    2066             :                                          "Syntax error for <"// &
    2067             :                                          TRIM(element_symbol)// &
    2068             :                                          "> in the atomic potential <"// &
    2069             :                                          TRIM(potential_name)// &
    2070             :                                          "> potential file <"// &
    2071             :                                          TRIM(potential_file_name)//">: "// &
    2072             :                                          "Expected LPOT/NLCC/LSD keyword, got: <"// &
    2073           0 :                                          TRIM(line)//">")
    2074             :                         END IF
    2075             :                      ELSE
    2076           0 :                         CALL parser_get_object(parser, line)
    2077             :                         CALL cp_abort(__LOCATION__, &
    2078             :                                       "Syntax error for <"// &
    2079             :                                       TRIM(element_symbol)// &
    2080             :                                       "> in the atomic potential <"// &
    2081             :                                       TRIM(potential_name)// &
    2082             :                                       "> potential file <"// &
    2083             :                                       TRIM(potential_file_name)//">: "// &
    2084             :                                       "Expected LPOT/NLCC/LSD keyword or INTEGER, got: <"// &
    2085          20 :                                       TRIM(line)//">")
    2086             :                      END IF
    2087             :                   END DO read_keywords
    2088             :                END IF
    2089             : 
    2090             :                ! Read the parameters for the non-local part of the GTH pseudopotential (ppnl)
    2091        8231 :                IF (read_from_input) THEN
    2092         680 :                   READ (line_att, *) n
    2093         680 :                   CALL remove_word(line_att)
    2094         680 :                   IF (INDEX(line_att, "SOC") /= 0) THEN
    2095           0 :                      potential%soc = .TRUE.
    2096           0 :                      CALL remove_word(line_att)
    2097             :                   END IF
    2098             :                ELSE
    2099        7551 :                   CALL parser_get_object(parser, n)
    2100        7551 :                   IF (parser_test_next_token(parser) == "STR") THEN
    2101          46 :                      CALL parser_get_object(parser, line)
    2102        7597 :                      IF (INDEX(line, "SOC") /= 0) potential%soc = .TRUE.
    2103             :                   END IF
    2104        7551 :                   irep = irep + 1
    2105        7551 :                   IF (update_input) THEN
    2106        7505 :                      IF (potential%soc) THEN
    2107          46 :                         WRITE (UNIT=line_att, FMT="(T9,I0,2X,A)") n, "SOC"
    2108             :                      ELSE
    2109        7459 :                         WRITE (UNIT=line_att, FMT="(T9,I0)") n
    2110             :                      END IF
    2111             :                      CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2112        7505 :                                                c_val=TRIM(line_att))
    2113             :                   END IF
    2114             :                END IF
    2115        8231 :                potential%lppnl = n - 1
    2116        8231 :                potential%nppnl = 0
    2117             : 
    2118        8231 :                potential%lprj_ppnl_max = n - 1
    2119        8231 :                potential%nprj_ppnl_max = 0
    2120             : 
    2121        8231 :                IF (n > 0) THEN
    2122             : 
    2123        4149 :                   lppnl = potential%lppnl
    2124        4149 :                   nppnl = potential%nppnl
    2125             : 
    2126        4149 :                   CALL init_orbital_pointers(lppnl)
    2127             : 
    2128        4149 :                   NULLIFY (hprj_ppnl, kprj_ppnl)
    2129             : 
    2130             :                   ! Load the parameter for n non-local projectors
    2131             : 
    2132        4149 :                   CALL reallocate(potential%alpha_ppnl, 0, lppnl)
    2133        4149 :                   CALL reallocate(potential%nprj_ppnl, 0, lppnl)
    2134             : 
    2135        4149 :                   lprj_ppnl_max = -1
    2136        4149 :                   nprj_ppnl_max = 0
    2137             : 
    2138       12203 :                   DO l = 0, lppnl
    2139        8054 :                      IF (read_from_input) THEN
    2140         508 :                         is_ok = cp_sll_val_next(list, val)
    2141         508 :                         IF (.NOT. is_ok) &
    2142             :                            CALL cp_abort(__LOCATION__, &
    2143           0 :                                          "Error while reading GTH potential from input file")
    2144         508 :                         CALL val_get(val, c_val=line_att)
    2145         508 :                         READ (line_att, *) r
    2146         508 :                         CALL remove_word(line_att)
    2147         508 :                         READ (line_att, *) nprj_ppnl
    2148         508 :                         CALL remove_word(line_att)
    2149             :                      ELSE
    2150        7546 :                         line_att = ""
    2151        7546 :                         CALL parser_get_object(parser, r, newline=.TRUE.)
    2152        7546 :                         CALL parser_get_object(parser, nprj_ppnl)
    2153        7546 :                         istr = LEN_TRIM(line_att) + 1
    2154        7546 :                         WRITE (UNIT=line_att(istr:), FMT="(T9,ES25.16E3,1X,I0)") r, nprj_ppnl
    2155             :                      END IF
    2156        8054 :                      IF (r == 0.0_dp .AND. nprj_ppnl /= 0) THEN
    2157             :                         CALL cp_abort(__LOCATION__, &
    2158             :                                       "An error was detected in the atomic potential <"// &
    2159             :                                       TRIM(potential_name)// &
    2160             :                                       "> potential file <"// &
    2161           0 :                                       TRIM(potential_file_name)//">")
    2162             :                      END IF
    2163        8054 :                      potential%alpha_ppnl(l) = 0.0_dp
    2164        8054 :                      IF (r /= 0.0_dp .AND. n /= 0) potential%alpha_ppnl(l) = 1.0_dp/(2.0_dp*r**2)
    2165        8054 :                      potential%nprj_ppnl(l) = nprj_ppnl
    2166        8054 :                      nppnl = nppnl + nprj_ppnl*nco(l)
    2167        8054 :                      IF (nprj_ppnl > nprj_ppnl_max) THEN
    2168        4149 :                         nprj_ppnl_max = nprj_ppnl
    2169             :                         CALL reallocate(hprj_ppnl, 1, nprj_ppnl_max, &
    2170             :                                         1, nprj_ppnl_max, &
    2171        4149 :                                         0, lppnl)
    2172             :                         CALL reallocate(kprj_ppnl, 1, nprj_ppnl_max, &
    2173             :                                         1, nprj_ppnl_max, &
    2174        4149 :                                         0, lppnl)
    2175             :                      END IF
    2176       13589 :                      DO i = 1, nprj_ppnl
    2177        5535 :                         IF (i == 1) THEN
    2178        4779 :                            IF (read_from_input) THEN
    2179         298 :                               READ (line_att, *) hprj_ppnl(i, i, l)
    2180         298 :                               CALL remove_word(line_att)
    2181             :                            ELSE
    2182        4481 :                               CALL parser_get_object(parser, hprj_ppnl(i, i, l))
    2183        4481 :                               istr = LEN_TRIM(line_att) + 1
    2184        4481 :                               WRITE (UNIT=line_att(istr:), FMT="(ES25.16E3)") hprj_ppnl(i, i, l)
    2185             :                            END IF
    2186             :                         ELSE
    2187         756 :                            IF (read_from_input) THEN
    2188          48 :                               IF (LEN_TRIM(line_att) /= 0) &
    2189             :                                  CALL cp_abort(__LOCATION__, &
    2190           0 :                                                "Error while reading GTH potential from input file")
    2191          48 :                               is_ok = cp_sll_val_next(list, val)
    2192          48 :                               IF (.NOT. is_ok) &
    2193             :                                  CALL cp_abort(__LOCATION__, &
    2194           0 :                                                "Error while reading GTH potential from input file")
    2195          48 :                               CALL val_get(val, c_val=line_att)
    2196          48 :                               READ (line_att, *) hprj_ppnl(i, i, l)
    2197          48 :                               CALL remove_word(line_att)
    2198             :                            ELSE
    2199         708 :                               IF (update_input) THEN
    2200         708 :                                  irep = irep + 1
    2201             :                                  CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2202         708 :                                                            c_val=TRIM(line_att))
    2203             :                               END IF
    2204         708 :                               line_att = ""
    2205         708 :                               CALL parser_get_object(parser, hprj_ppnl(i, i, l), newline=.TRUE.)
    2206         708 :                               istr = LEN_TRIM(line_att) + 1
    2207           0 :                               WRITE (UNIT=line_att(istr:), FMT="(T36,A,ES25.16E3)") &
    2208       20358 :                                  REPEAT(" ", 25*(i - 1)), hprj_ppnl(i, i, l)
    2209             :                            END IF
    2210             :                         END IF
    2211       14427 :                         DO j = i + 1, nprj_ppnl
    2212        6373 :                            IF (read_from_input) THEN
    2213          52 :                               READ (line_att, *) hprj_ppnl(i, j, l)
    2214          52 :                               CALL remove_word(line_att)
    2215             :                            ELSE
    2216         786 :                               CALL parser_get_object(parser, hprj_ppnl(i, j, l))
    2217         786 :                               istr = LEN_TRIM(line_att) + 1
    2218         786 :                               WRITE (UNIT=line_att(istr:), FMT="(ES25.16E3)") hprj_ppnl(i, j, l)
    2219             :                            END IF
    2220             :                         END DO
    2221             :                      END DO
    2222        8054 :                      IF (.NOT. read_from_input) THEN
    2223        7546 :                         IF (update_input) THEN
    2224        7498 :                            irep = irep + 1
    2225             :                            CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2226        7498 :                                                      c_val=TRIM(line_att))
    2227             :                         END IF
    2228        7546 :                         line_att = ""
    2229             :                      ELSE
    2230         508 :                         IF (LEN_TRIM(line_att) /= 0) THEN
    2231             :                            CALL cp_abort(__LOCATION__, &
    2232           0 :                                          "Error while reading GTH potential from input file")
    2233             :                         END IF
    2234             :                      END IF
    2235        8054 :                      IF (nprj_ppnl > 1) THEN
    2236         674 :                         CALL symmetrize_matrix(hprj_ppnl(:, :, l), "upper_to_lower")
    2237             :                      END IF
    2238        8054 :                      IF (potential%soc .AND. (l > 0)) THEN
    2239             :                         ! Read non-local parameters for spin-orbit coupling
    2240         108 :                         DO i = 1, nprj_ppnl
    2241          64 :                            IF (read_from_input) THEN
    2242           0 :                               IF (LEN_TRIM(line_att) /= 0) &
    2243             :                                  CALL cp_abort(__LOCATION__, &
    2244           0 :                                                "Error while reading GTH potential from input file")
    2245           0 :                               is_ok = cp_sll_val_next(list, val)
    2246           0 :                               IF (.NOT. is_ok) &
    2247             :                                  CALL cp_abort(__LOCATION__, &
    2248           0 :                                                "Error while reading GTH potential from input file")
    2249           0 :                               CALL val_get(val, c_val=line_att)
    2250           0 :                               READ (line_att, *) kprj_ppnl(i, i, l)
    2251           0 :                               CALL remove_word(line_att)
    2252             :                            ELSE
    2253          64 :                               IF (i > 1 .AND. update_input) THEN
    2254          20 :                                  irep = irep + 1
    2255             :                                  CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2256          20 :                                                            c_val=TRIM(line_att))
    2257             :                               END IF
    2258          64 :                               line_att = ""
    2259          64 :                               CALL parser_get_object(parser, kprj_ppnl(i, i, l), newline=.TRUE.)
    2260          64 :                               istr = LEN_TRIM(line_att) + 1
    2261           0 :                               WRITE (UNIT=line_att(istr:), FMT="(T36,A,ES25.16E3)") &
    2262         564 :                                  REPEAT(" ", 25*(i - 1)), kprj_ppnl(i, i, l)
    2263             :                            END IF
    2264         128 :                            DO j = i + 1, nprj_ppnl
    2265          84 :                               IF (read_from_input) THEN
    2266           0 :                                  READ (line_att, *) kprj_ppnl(i, j, l)
    2267           0 :                                  CALL remove_word(line_att)
    2268             :                               ELSE
    2269          20 :                                  CALL parser_get_object(parser, kprj_ppnl(i, j, l))
    2270          20 :                                  istr = LEN_TRIM(line_att) + 1
    2271          20 :                                  WRITE (UNIT=line_att(istr:), FMT="(ES25.16E3)") kprj_ppnl(i, j, l)
    2272             :                               END IF
    2273             :                            END DO
    2274             :                         END DO
    2275          44 :                         IF (read_from_input) THEN
    2276           0 :                            IF (LEN_TRIM(line_att) /= 0) THEN
    2277             :                               CALL cp_abort(__LOCATION__, &
    2278           0 :                                             "Error while reading GTH potential from input file")
    2279             :                            END IF
    2280             :                         ELSE
    2281          44 :                            IF (update_input) THEN
    2282          44 :                               irep = irep + 1
    2283             :                               CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2284          44 :                                                         c_val=TRIM(line_att))
    2285             :                            END IF
    2286          44 :                            line_att = ""
    2287             :                         END IF
    2288          44 :                         IF (nprj_ppnl > 1) THEN
    2289          20 :                            CALL symmetrize_matrix(kprj_ppnl(:, :, l), "upper_to_lower")
    2290             :                         END IF
    2291             :                      END IF ! SOC
    2292       12203 :                      lprj_ppnl_max = MAX(lprj_ppnl_max, l + 2*(nprj_ppnl - 1))
    2293             :                   END DO ! lppnl
    2294             : 
    2295        4149 :                   potential%nppnl = nppnl
    2296        4149 :                   CALL init_orbital_pointers(lprj_ppnl_max)
    2297             : 
    2298        4149 :                   potential%lprj_ppnl_max = lprj_ppnl_max
    2299        4149 :                   potential%nprj_ppnl_max = nprj_ppnl_max
    2300             :                   CALL reallocate(potential%hprj_ppnl, 1, nprj_ppnl_max, &
    2301             :                                   1, nprj_ppnl_max, &
    2302        4149 :                                   0, lppnl)
    2303       34267 :                   potential%hprj_ppnl(:, :, :) = hprj_ppnl(:, :, :)
    2304             :                   CALL reallocate(potential%kprj_ppnl, 1, nprj_ppnl_max, &
    2305             :                                   1, nprj_ppnl_max, &
    2306        4149 :                                   0, lppnl)
    2307       34267 :                   potential%kprj_ppnl(:, :, :) = kprj_ppnl(:, :, :)
    2308             : 
    2309        4149 :                   CALL reallocate(potential%cprj, 1, ncoset(lprj_ppnl_max), 1, nppnl)
    2310        4149 :                   CALL reallocate(potential%cprj_ppnl, 1, nprj_ppnl_max, 0, lppnl)
    2311        4149 :                   CALL reallocate(potential%vprj_ppnl, 1, nppnl, 1, nppnl)
    2312        4149 :                   CALL reallocate(potential%wprj_ppnl, 1, nppnl, 1, nppnl)
    2313             : 
    2314        4149 :                   DEALLOCATE (hprj_ppnl, kprj_ppnl)
    2315             :                END IF
    2316             :                EXIT search_loop
    2317             :             END IF
    2318             :          ELSE
    2319             :             ! Stop program, if the end of file is reached
    2320             :             CALL cp_abort(__LOCATION__, &
    2321             :                           "The requested atomic potential <"// &
    2322             :                           TRIM(potential_name)// &
    2323             :                           "> for element <"// &
    2324             :                           TRIM(symbol)// &
    2325             :                           "> was not found in the potential file <"// &
    2326           0 :                           TRIM(potential_file_name)//">")
    2327             :          END IF
    2328             :       END DO search_loop
    2329             : 
    2330        8231 :       IF (.NOT. read_from_input) THEN
    2331             :          ! Dump the potential info in the potential section
    2332        7551 :          IF (match .AND. update_input) THEN
    2333        7505 :             irep = irep + 1
    2334             :             WRITE (UNIT=line_att, FMT="(T9,A)") &
    2335             :                "# Potential name: "//TRIM(ADJUSTL(apname2(:strlen2)))// &
    2336        7505 :                " for element symbol: "//TRIM(ADJUSTL(symbol2(:strlen1)))
    2337             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2338        7505 :                                       c_val=TRIM(line_att))
    2339        7505 :             irep = irep + 1
    2340             :             WRITE (UNIT=line_att, FMT="(T9,A)") &
    2341        7505 :                "# Potential read from the potential filename: "//TRIM(ADJUSTL(potential_file_name))
    2342             :             CALL section_vals_val_set(potential_section, "_DEFAULT_KEYWORD_", i_rep_val=irep, &
    2343        7505 :                                       c_val=TRIM(line_att))
    2344             :          END IF
    2345        7551 :          CALL parser_release(parser)
    2346        7551 :          DEALLOCATE (parser)
    2347             :       END IF
    2348             : 
    2349        8231 :       IF (ASSOCIATED(tmp_vals)) DEALLOCATE (tmp_vals)
    2350             : 
    2351        8231 :    END SUBROUTINE read_gth_potential
    2352             : 
    2353             : ! **************************************************************************************************
    2354             : !> \brief ...
    2355             : !> \param potential ...
    2356             : !> \param z ...
    2357             : !> \param zeff_correction ...
    2358             : ! **************************************************************************************************
    2359        4720 :    SUBROUTINE set_default_all_potential(potential, z, zeff_correction)
    2360             : 
    2361             :       TYPE(all_potential_type), INTENT(INOUT)            :: potential
    2362             :       INTEGER, INTENT(IN)                                :: z
    2363             :       REAL(KIND=dp), INTENT(IN)                          :: zeff_correction
    2364             : 
    2365             :       CHARACTER(LEN=default_string_length)               :: name
    2366             :       INTEGER, DIMENSION(:), POINTER                     :: elec_conf
    2367             :       REAL(KIND=dp)                                      :: alpha, alpha_core_charge, ccore_charge, &
    2368             :                                                             core_charge_radius, r, zeff
    2369             : 
    2370           0 :       ALLOCATE (elec_conf(0:3))
    2371       23600 :       elec_conf(0:3) = ptable(z)%e_conv(0:3)
    2372       23600 :       zeff = REAL(SUM(elec_conf), dp) + zeff_correction
    2373        4720 :       name = ptable(z)%name
    2374             : 
    2375        4720 :       r = ptable(z)%covalent_radius*0.5_dp
    2376        4720 :       r = MAX(r, 0.2_dp)
    2377        4720 :       r = MIN(r, 1.0_dp)
    2378        4720 :       alpha = 1.0_dp/(2.0_dp*r**2)
    2379             : 
    2380        4720 :       core_charge_radius = r
    2381        4720 :       alpha_core_charge = alpha
    2382        4720 :       ccore_charge = zeff*SQRT((alpha/pi)**3)
    2383             : 
    2384             :       CALL set_all_potential(potential, &
    2385             :                              name=name, &
    2386             :                              alpha_core_charge=alpha_core_charge, &
    2387             :                              ccore_charge=ccore_charge, &
    2388             :                              core_charge_radius=core_charge_radius, &
    2389             :                              z=z, &
    2390             :                              zeff=zeff, &
    2391             :                              zeff_correction=zeff_correction, &
    2392        4720 :                              elec_conf=elec_conf)
    2393             : 
    2394        4720 :       DEALLOCATE (elec_conf)
    2395             : 
    2396        4720 :    END SUBROUTINE set_default_all_potential
    2397             : 
    2398             : ! **************************************************************************************************
    2399             : !> \brief   Set the attributes of an all-electron potential data set.
    2400             : !> \param potential ...
    2401             : !> \param name ...
    2402             : !> \param alpha_core_charge ...
    2403             : !> \param ccore_charge ...
    2404             : !> \param core_charge_radius ...
    2405             : !> \param z ...
    2406             : !> \param zeff ...
    2407             : !> \param zeff_correction ...
    2408             : !> \param elec_conf ...
    2409             : !> \date    11.01.2002
    2410             : !> \author  MK
    2411             : !> \version 1.0
    2412             : ! **************************************************************************************************
    2413       14004 :    SUBROUTINE set_all_potential(potential, name, alpha_core_charge, &
    2414             :                                 ccore_charge, core_charge_radius, z, zeff, &
    2415             :                                 zeff_correction, elec_conf)
    2416             : 
    2417             :       TYPE(all_potential_type), INTENT(INOUT)            :: potential
    2418             :       CHARACTER(LEN=default_string_length), INTENT(IN), &
    2419             :          OPTIONAL                                        :: name
    2420             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: alpha_core_charge, ccore_charge, &
    2421             :                                                             core_charge_radius
    2422             :       INTEGER, INTENT(IN), OPTIONAL                      :: z
    2423             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: zeff, zeff_correction
    2424             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf
    2425             : 
    2426       14004 :       IF (PRESENT(name)) potential%name = name
    2427       14004 :       IF (PRESENT(alpha_core_charge)) &
    2428        4720 :          potential%alpha_core_charge = alpha_core_charge
    2429       14004 :       IF (PRESENT(ccore_charge)) potential%ccore_charge = ccore_charge
    2430       14004 :       IF (PRESENT(core_charge_radius)) &
    2431       10498 :          potential%core_charge_radius = core_charge_radius
    2432       14004 :       IF (PRESENT(z)) potential%z = z
    2433       14004 :       IF (PRESENT(zeff)) potential%zeff = zeff
    2434       14004 :       IF (PRESENT(zeff_correction)) potential%zeff_correction = zeff_correction
    2435       14004 :       IF (PRESENT(elec_conf)) THEN
    2436        4720 :          IF (.NOT. ASSOCIATED(potential%elec_conf)) THEN
    2437        4720 :             CALL reallocate(potential%elec_conf, 0, SIZE(elec_conf) - 1)
    2438             :          END IF
    2439       23600 :          potential%elec_conf(:) = elec_conf(:)
    2440             :       END IF
    2441             : 
    2442       14004 :    END SUBROUTINE set_all_potential
    2443             : 
    2444             : ! **************************************************************************************************
    2445             : !> \brief   Set the attributes of an atomic local potential data set.
    2446             : !> \param potential ...
    2447             : !> \param name ...
    2448             : !> \param alpha ...
    2449             : !> \param cval ...
    2450             : !> \param radius ...
    2451             : !> \date    24.01.2014
    2452             : !> \author  JGH
    2453             : !> \version 1.0
    2454             : ! **************************************************************************************************
    2455           0 :    SUBROUTINE set_local_potential(potential, name, alpha, cval, radius)
    2456             : 
    2457             :       TYPE(local_potential_type), INTENT(INOUT)          :: potential
    2458             :       CHARACTER(LEN=default_string_length), INTENT(IN), &
    2459             :          OPTIONAL                                        :: name
    2460             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha
    2461             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cval
    2462             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: radius
    2463             : 
    2464           0 :       IF (PRESENT(name)) potential%name = name
    2465           0 :       IF (PRESENT(alpha)) potential%alpha => alpha
    2466           0 :       IF (PRESENT(cval)) potential%cval => cval
    2467           0 :       IF (PRESENT(radius)) potential%radius = radius
    2468             : 
    2469           0 :    END SUBROUTINE set_local_potential
    2470             : 
    2471             : ! **************************************************************************************************
    2472             : !> \brief   Set the attributes of an effective charge and inducible point
    2473             : !>          dipole potential data set.
    2474             : !> \param potential ...
    2475             : !> \param apol ...
    2476             : !> \param cpol ...
    2477             : !> \param qeff ...
    2478             : !> \param mm_radius ...
    2479             : !> \param qmmm_corr_radius ...
    2480             : !> \param qmmm_radius ...
    2481             : !> \date    05.03.2010
    2482             : !> \author  Toon.Verstraelen@gmail.com
    2483             : ! **************************************************************************************************
    2484       53261 :    SUBROUTINE set_fist_potential(potential, apol, cpol, qeff, mm_radius, &
    2485             :                                  qmmm_corr_radius, qmmm_radius)
    2486             : 
    2487             :       TYPE(fist_potential_type), INTENT(INOUT)           :: potential
    2488             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: apol, cpol, qeff, mm_radius, &
    2489             :                                                             qmmm_corr_radius, qmmm_radius
    2490             : 
    2491       53261 :       IF (PRESENT(apol)) potential%apol = apol
    2492       53261 :       IF (PRESENT(cpol)) potential%cpol = cpol
    2493       53261 :       IF (PRESENT(mm_radius)) potential%mm_radius = mm_radius
    2494       53261 :       IF (PRESENT(qeff)) potential%qeff = qeff
    2495       53261 :       IF (PRESENT(qmmm_corr_radius)) potential%qmmm_corr_radius = qmmm_corr_radius
    2496       53261 :       IF (PRESENT(qmmm_radius)) potential%qmmm_radius = qmmm_radius
    2497             : 
    2498       53261 :    END SUBROUTINE set_fist_potential
    2499             : 
    2500             : ! **************************************************************************************************
    2501             : !> \brief Set the attributes of a GTH potential data set.
    2502             : !> \param potential ...
    2503             : !> \param name ...
    2504             : !> \param alpha_core_charge ...
    2505             : !> \param alpha_ppl ...
    2506             : !> \param ccore_charge ...
    2507             : !> \param cerf_ppl ...
    2508             : !> \param core_charge_radius ...
    2509             : !> \param ppl_radius ...
    2510             : !> \param ppnl_radius ...
    2511             : !> \param lppnl ...
    2512             : !> \param lprj_ppnl_max ...
    2513             : !> \param nexp_ppl ...
    2514             : !> \param nppnl ...
    2515             : !> \param nprj_ppnl_max ...
    2516             : !> \param z ...
    2517             : !> \param zeff ...
    2518             : !> \param zeff_correction ...
    2519             : !> \param alpha_ppnl ...
    2520             : !> \param cexp_ppl ...
    2521             : !> \param elec_conf ...
    2522             : !> \param nprj_ppnl ...
    2523             : !> \param cprj ...
    2524             : !> \param cprj_ppnl ...
    2525             : !> \param vprj_ppnl ...
    2526             : !> \param wprj_ppnl ...
    2527             : !> \param hprj_ppnl ...
    2528             : !> \param kprj_ppnl ...
    2529             : !> \date    11.01.2002
    2530             : !> \author  MK
    2531             : !> \version 1.0
    2532             : ! **************************************************************************************************
    2533       20371 :    SUBROUTINE set_gth_potential(potential, name, alpha_core_charge, alpha_ppl, &
    2534             :                                 ccore_charge, cerf_ppl, core_charge_radius, &
    2535             :                                 ppl_radius, ppnl_radius, lppnl, lprj_ppnl_max, &
    2536             :                                 nexp_ppl, nppnl, nprj_ppnl_max, z, zeff, zeff_correction, &
    2537             :                                 alpha_ppnl, cexp_ppl, elec_conf, nprj_ppnl, cprj, cprj_ppnl, &
    2538             :                                 vprj_ppnl, wprj_ppnl, hprj_ppnl, kprj_ppnl)
    2539             : 
    2540             :       TYPE(gth_potential_type), INTENT(INOUT)            :: potential
    2541             :       CHARACTER(LEN=default_string_length), INTENT(IN), &
    2542             :          OPTIONAL                                        :: name
    2543             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: alpha_core_charge, alpha_ppl, &
    2544             :                                                             ccore_charge, cerf_ppl, &
    2545             :                                                             core_charge_radius, ppl_radius, &
    2546             :                                                             ppnl_radius
    2547             :       INTEGER, INTENT(IN), OPTIONAL                      :: lppnl, lprj_ppnl_max, nexp_ppl, nppnl, &
    2548             :                                                             nprj_ppnl_max, z
    2549             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: zeff, zeff_correction
    2550             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: alpha_ppnl, cexp_ppl
    2551             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf, nprj_ppnl
    2552             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: cprj, cprj_ppnl, vprj_ppnl, wprj_ppnl
    2553             :       REAL(KIND=dp), DIMENSION(:, :, :), OPTIONAL, &
    2554             :          POINTER                                         :: hprj_ppnl, kprj_ppnl
    2555             : 
    2556       20371 :       IF (PRESENT(name)) potential%name = name
    2557       20371 :       IF (PRESENT(alpha_core_charge)) &
    2558           0 :          potential%alpha_core_charge = alpha_core_charge
    2559       20371 :       IF (PRESENT(alpha_ppl)) potential%alpha_ppl = alpha_ppl
    2560       20371 :       IF (PRESENT(ccore_charge)) potential%ccore_charge = ccore_charge
    2561       20371 :       IF (PRESENT(cerf_ppl)) potential%cerf_ppl = cerf_ppl
    2562       20371 :       IF (PRESENT(core_charge_radius)) &
    2563       12136 :          potential%core_charge_radius = core_charge_radius
    2564       20371 :       IF (PRESENT(ppl_radius)) potential%ppl_radius = ppl_radius
    2565       20371 :       IF (PRESENT(ppnl_radius)) potential%ppnl_radius = ppnl_radius
    2566       20371 :       IF (PRESENT(lppnl)) potential%lppnl = lppnl
    2567       20371 :       IF (PRESENT(lprj_ppnl_max)) potential%lprj_ppnl_max = lprj_ppnl_max
    2568       20371 :       IF (PRESENT(nexp_ppl)) potential%nexp_ppl = nexp_ppl
    2569       20371 :       IF (PRESENT(nppnl)) potential%nppnl = nppnl
    2570       20371 :       IF (PRESENT(nprj_ppnl_max)) potential%nprj_ppnl_max = nprj_ppnl_max
    2571       20371 :       IF (PRESENT(z)) potential%z = z
    2572       20371 :       IF (PRESENT(zeff)) potential%zeff = zeff
    2573       20371 :       IF (PRESENT(zeff_correction)) potential%zeff_correction = zeff_correction
    2574       20371 :       IF (PRESENT(alpha_ppnl)) potential%alpha_ppnl => alpha_ppnl
    2575       20371 :       IF (PRESENT(cexp_ppl)) potential%cexp_ppl => cexp_ppl
    2576       20371 :       IF (PRESENT(elec_conf)) THEN
    2577           4 :          IF (ASSOCIATED(potential%elec_conf)) THEN
    2578           4 :             DEALLOCATE (potential%elec_conf)
    2579             :          END IF
    2580          12 :          ALLOCATE (potential%elec_conf(0:SIZE(elec_conf) - 1))
    2581          10 :          potential%elec_conf(:) = elec_conf(:)
    2582             :       END IF
    2583       20371 :       IF (PRESENT(nprj_ppnl)) potential%nprj_ppnl => nprj_ppnl
    2584       20371 :       IF (PRESENT(cprj)) potential%cprj => cprj
    2585       20371 :       IF (PRESENT(cprj_ppnl)) potential%cprj_ppnl => cprj_ppnl
    2586       20371 :       IF (PRESENT(hprj_ppnl)) potential%hprj_ppnl => hprj_ppnl
    2587       20371 :       IF (PRESENT(kprj_ppnl)) potential%kprj_ppnl => kprj_ppnl
    2588       20371 :       IF (PRESENT(vprj_ppnl)) potential%vprj_ppnl => vprj_ppnl
    2589       20371 :       IF (PRESENT(wprj_ppnl)) potential%wprj_ppnl => wprj_ppnl
    2590             : 
    2591       20371 :    END SUBROUTINE set_gth_potential
    2592             : 
    2593             : ! **************************************************************************************************
    2594             : !> \brief ...
    2595             : !> \param potential ...
    2596             : !> \param name ...
    2597             : !> \param description ...
    2598             : !> \param aliases ...
    2599             : !> \param elec_conf ...
    2600             : !> \param z ...
    2601             : !> \param zeff ...
    2602             : !> \param zeff_correction ...
    2603             : !> \param alpha_core_charge ...
    2604             : !> \param ccore_charge ...
    2605             : !> \param core_charge_radius ...
    2606             : !> \param ppl_radius ...
    2607             : !> \param ppnl_radius ...
    2608             : !> \param ecp_local ...
    2609             : !> \param n_local ...
    2610             : !> \param a_local ...
    2611             : !> \param c_local ...
    2612             : !> \param nloc ...
    2613             : !> \param nrloc ...
    2614             : !> \param aloc ...
    2615             : !> \param bloc ...
    2616             : !> \param ecp_semi_local ...
    2617             : !> \param sl_lmax ...
    2618             : !> \param npot ...
    2619             : !> \param nrpot ...
    2620             : !> \param apot ...
    2621             : !> \param bpot ...
    2622             : !> \param n_nonlocal ...
    2623             : !> \param nppnl ...
    2624             : !> \param lmax ...
    2625             : !> \param is_nonlocal ...
    2626             : !> \param a_nonlocal ...
    2627             : !> \param h_nonlocal ...
    2628             : !> \param c_nonlocal ...
    2629             : !> \param has_nlcc ...
    2630             : !> \param n_nlcc ...
    2631             : !> \param a_nlcc ...
    2632             : !> \param c_nlcc ...
    2633             : ! **************************************************************************************************
    2634         208 :    SUBROUTINE set_sgp_potential(potential, name, description, aliases, elec_conf, &
    2635             :                                 z, zeff, zeff_correction, alpha_core_charge, &
    2636             :                                 ccore_charge, core_charge_radius, &
    2637             :                                 ppl_radius, ppnl_radius, &
    2638             :                                 ecp_local, n_local, a_local, c_local, &
    2639             :                                 nloc, nrloc, aloc, bloc, &
    2640             :                                 ecp_semi_local, sl_lmax, npot, nrpot, apot, bpot, &
    2641             :                                 n_nonlocal, nppnl, lmax, is_nonlocal, a_nonlocal, h_nonlocal, c_nonlocal, &
    2642             :                                 has_nlcc, n_nlcc, a_nlcc, c_nlcc)
    2643             : 
    2644             :       TYPE(sgp_potential_type), INTENT(INOUT)            :: potential
    2645             :       CHARACTER(LEN=default_string_length), INTENT(IN), &
    2646             :          OPTIONAL                                        :: name
    2647             :       CHARACTER(LEN=default_string_length), &
    2648             :          DIMENSION(4), INTENT(IN), OPTIONAL              :: description
    2649             :       CHARACTER(LEN=default_string_length), INTENT(IN), &
    2650             :          OPTIONAL                                        :: aliases
    2651             :       INTEGER, DIMENSION(:), OPTIONAL, POINTER           :: elec_conf
    2652             :       INTEGER, INTENT(IN), OPTIONAL                      :: z
    2653             :       REAL(KIND=dp), INTENT(IN), OPTIONAL                :: zeff, zeff_correction, &
    2654             :                                                             alpha_core_charge, ccore_charge, &
    2655             :                                                             core_charge_radius, ppl_radius, &
    2656             :                                                             ppnl_radius
    2657             :       LOGICAL, INTENT(IN), OPTIONAL                      :: ecp_local
    2658             :       INTEGER, INTENT(IN), OPTIONAL                      :: n_local
    2659             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_local, c_local
    2660             :       INTEGER, INTENT(IN), OPTIONAL                      :: nloc
    2661             :       INTEGER, DIMENSION(1:10), INTENT(IN), OPTIONAL     :: nrloc
    2662             :       REAL(dp), DIMENSION(1:10), INTENT(IN), OPTIONAL    :: aloc, bloc
    2663             :       LOGICAL, INTENT(IN), OPTIONAL                      :: ecp_semi_local
    2664             :       INTEGER, INTENT(IN), OPTIONAL                      :: sl_lmax
    2665             :       INTEGER, DIMENSION(0:10), OPTIONAL                 :: npot
    2666             :       INTEGER, DIMENSION(1:15, 0:10), OPTIONAL           :: nrpot
    2667             :       REAL(dp), DIMENSION(1:15, 0:10), OPTIONAL          :: apot, bpot
    2668             :       INTEGER, INTENT(IN), OPTIONAL                      :: n_nonlocal, nppnl, lmax
    2669             :       LOGICAL, DIMENSION(0:5), INTENT(IN), OPTIONAL      :: is_nonlocal
    2670             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_nonlocal
    2671             :       REAL(KIND=dp), DIMENSION(:, :), OPTIONAL, POINTER  :: h_nonlocal
    2672             :       REAL(KIND=dp), DIMENSION(:, :, :), OPTIONAL, &
    2673             :          POINTER                                         :: c_nonlocal
    2674             :       LOGICAL, INTENT(IN), OPTIONAL                      :: has_nlcc
    2675             :       INTEGER, INTENT(IN), OPTIONAL                      :: n_nlcc
    2676             :       REAL(KIND=dp), DIMENSION(:), OPTIONAL, POINTER     :: a_nlcc, c_nlcc
    2677             : 
    2678         208 :       IF (PRESENT(name)) potential%name = name
    2679         208 :       IF (PRESENT(aliases)) potential%aliases = aliases
    2680         348 :       IF (PRESENT(description)) potential%description = description
    2681             : 
    2682         208 :       IF (PRESENT(elec_conf)) THEN
    2683          28 :          IF (ASSOCIATED(potential%elec_conf)) THEN
    2684           0 :             DEALLOCATE (potential%elec_conf)
    2685             :          END IF
    2686          84 :          ALLOCATE (potential%elec_conf(0:SIZE(elec_conf) - 1))
    2687         172 :          potential%elec_conf(:) = elec_conf(:)
    2688             :       END IF
    2689             : 
    2690         208 :       IF (PRESENT(z)) potential%z = z
    2691         208 :       IF (PRESENT(zeff)) potential%zeff = zeff
    2692         208 :       IF (PRESENT(zeff_correction)) potential%zeff_correction = zeff_correction
    2693         208 :       IF (PRESENT(alpha_core_charge)) potential%alpha_core_charge = alpha_core_charge
    2694         208 :       IF (PRESENT(ccore_charge)) potential%ccore_charge = ccore_charge
    2695         208 :       IF (PRESENT(core_charge_radius)) potential%core_charge_radius = core_charge_radius
    2696             : 
    2697         208 :       IF (PRESENT(ppl_radius)) potential%ppl_radius = ppl_radius
    2698         208 :       IF (PRESENT(ppnl_radius)) potential%ppnl_radius = ppnl_radius
    2699             : 
    2700         208 :       IF (PRESENT(ecp_local)) potential%ecp_local = ecp_local
    2701         208 :       IF (PRESENT(n_local)) potential%n_local = n_local
    2702         208 :       IF (PRESENT(a_local)) potential%a_local => a_local
    2703         208 :       IF (PRESENT(c_local)) potential%c_local => c_local
    2704             : 
    2705         208 :       IF (PRESENT(nloc)) potential%nloc = nloc
    2706         384 :       IF (PRESENT(nrloc)) potential%nrloc = nrloc
    2707         384 :       IF (PRESENT(aloc)) potential%aloc = aloc
    2708         384 :       IF (PRESENT(bloc)) potential%bloc = bloc
    2709             : 
    2710         208 :       IF (PRESENT(ecp_semi_local)) potential%ecp_semi_local = ecp_semi_local
    2711         208 :       IF (PRESENT(sl_lmax)) potential%sl_lmax = sl_lmax
    2712         400 :       IF (PRESENT(npot)) potential%npot = npot
    2713        3040 :       IF (PRESENT(nrpot)) potential%nrpot = nrpot
    2714        3040 :       IF (PRESENT(apot)) potential%apot = apot
    2715        3040 :       IF (PRESENT(bpot)) potential%bpot = bpot
    2716             : 
    2717         208 :       IF (PRESENT(n_nonlocal)) potential%n_nonlocal = n_nonlocal
    2718         208 :       IF (PRESENT(nppnl)) potential%nppnl = nppnl
    2719         208 :       IF (PRESENT(lmax)) potential%lmax = lmax
    2720         404 :       IF (PRESENT(is_nonlocal)) potential%is_nonlocal(:) = is_nonlocal(:)
    2721         208 :       IF (PRESENT(a_nonlocal)) potential%a_nonlocal => a_nonlocal
    2722         208 :       IF (PRESENT(c_nonlocal)) potential%c_nonlocal => c_nonlocal
    2723         208 :       IF (PRESENT(h_nonlocal)) potential%h_nonlocal => h_nonlocal
    2724             : 
    2725         208 :       IF (PRESENT(has_nlcc)) potential%has_nlcc = has_nlcc
    2726         208 :       IF (PRESENT(n_nlcc)) potential%n_nlcc = n_nlcc
    2727         208 :       IF (PRESENT(a_nlcc)) potential%a_nlcc => a_nlcc
    2728         208 :       IF (PRESENT(c_nlcc)) potential%c_nlcc => c_nlcc
    2729             : 
    2730         208 :    END SUBROUTINE set_sgp_potential
    2731             : 
    2732             : ! **************************************************************************************************
    2733             : !> \brief Write an atomic all-electron potential data set to the output unit
    2734             : !> \param potential ...
    2735             : !> \param output_unit ...
    2736             : !> \par History
    2737             : !>      - Creation (09.02.2002, MK)
    2738             : ! **************************************************************************************************
    2739        1465 :    SUBROUTINE write_all_potential(potential, output_unit)
    2740             : 
    2741             :       TYPE(all_potential_type), INTENT(IN)               :: potential
    2742             :       INTEGER, INTENT(in)                                :: output_unit
    2743             : 
    2744             :       CHARACTER(LEN=20)                                  :: string
    2745             : 
    2746        1465 :       IF (output_unit > 0) THEN
    2747             :          WRITE (UNIT=output_unit, FMT="(/,T6,A,T41,A40,/)") &
    2748        1465 :             "AE Potential information for", ADJUSTR(TRIM(potential%name))
    2749             :          WRITE (UNIT=output_unit, FMT="(T8,A,T41,A40)") &
    2750        1465 :             "Description: ", TRIM(potential%description(1)), &
    2751        2930 :             "             ", TRIM(potential%description(2))
    2752             :          WRITE (UNIT=output_unit, FMT="(/,T8,A,T69,F12.6)") &
    2753        1465 :             "Gaussian exponent of the core charge distribution: ", &
    2754        2930 :             potential%alpha_core_charge
    2755        7042 :          WRITE (UNIT=string, FMT="(5I4)") potential%elec_conf
    2756             :          WRITE (UNIT=output_unit, FMT="(T8,A,T61,A20)") &
    2757        1465 :             "Electronic configuration (s p d ...):", &
    2758        2930 :             ADJUSTR(TRIM(string))
    2759             :       END IF
    2760             : 
    2761        1465 :    END SUBROUTINE write_all_potential
    2762             : 
    2763             : ! **************************************************************************************************
    2764             : !> \brief Write an atomic local potential data set to the output unit
    2765             : !> \param potential ...
    2766             : !> \param output_unit ...
    2767             : !> \par History
    2768             : !>      - Creation (24.01.2014, JGH)
    2769             : ! **************************************************************************************************
    2770           2 :    SUBROUTINE write_local_potential(potential, output_unit)
    2771             : 
    2772             :       TYPE(local_potential_type), INTENT(IN)             :: potential
    2773             :       INTEGER, INTENT(in)                                :: output_unit
    2774             : 
    2775             :       INTEGER                                            :: igau, ipol
    2776             : 
    2777           2 :       IF (output_unit > 0) THEN
    2778             :          WRITE (UNIT=output_unit, FMT="(/,T6,A,T41,A40)") &
    2779           2 :             "Local Potential information for", ADJUSTR(TRIM(potential%name))
    2780             :          WRITE (UNIT=output_unit, FMT="(T8,A,T41,A40)") &
    2781           2 :             "Description: ", TRIM(potential%description(1))
    2782           6 :          DO igau = 1, potential%ngau
    2783             :             WRITE (UNIT=output_unit, FMT="(T8,A,F12.6,T50,A,4(T68,I2,F10.4))") &
    2784           4 :                "Exponent: ", potential%alpha(igau), &
    2785          14 :                "Coefficients: ", (2*ipol - 2, potential%cval(igau, ipol), ipol=1, potential%npol)
    2786             :          END DO
    2787             :       END IF
    2788             : 
    2789           2 :    END SUBROUTINE write_local_potential
    2790             : 
    2791             : ! **************************************************************************************************
    2792             : !> \brief Write an atomic GTH potential data set to the output unit
    2793             : !> \param potential ...
    2794             : !> \param output_unit ...
    2795             : !> \par History
    2796             : !>      - Creation (09.02.2002, MK)
    2797             : ! **************************************************************************************************
    2798        2078 :    SUBROUTINE write_gth_potential(potential, output_unit)
    2799             : 
    2800             :       TYPE(gth_potential_type), INTENT(IN)               :: potential
    2801             :       INTEGER, INTENT(in)                                :: output_unit
    2802             : 
    2803             :       CHARACTER(LEN=20)                                  :: string
    2804             :       INTEGER                                            :: i, j, l
    2805             :       REAL(KIND=dp)                                      :: r
    2806             : 
    2807        2078 :       IF (output_unit > 0) THEN
    2808             :          WRITE (UNIT=output_unit, FMT="(/,T6,A,T41,A40,/)") &
    2809        2078 :             "GTH Potential information for", ADJUSTR(TRIM(potential%name))
    2810             :          WRITE (UNIT=output_unit, FMT="(T8,A,T41,A40)") &
    2811        2078 :             "Description: ", ADJUSTR(TRIM(potential%description(1))), &
    2812        2078 :             "             ", ADJUSTR(TRIM(potential%description(2))), &
    2813        2078 :             "             ", ADJUSTR(TRIM(potential%description(3))), &
    2814        4156 :             "             ", ADJUSTR(TRIM(potential%description(4)))
    2815             :          WRITE (UNIT=output_unit, FMT="(/,T8,A,T69,F12.6)") &
    2816        2078 :             "Gaussian exponent of the core charge distribution: ", &
    2817        4156 :             potential%alpha_core_charge
    2818        5683 :          WRITE (UNIT=string, FMT="(5I4)") potential%elec_conf
    2819             :          WRITE (UNIT=output_unit, FMT="(T8,A,T61,A20)") &
    2820        2078 :             "Electronic configuration (s p d ...):", &
    2821        4156 :             ADJUSTR(TRIM(string))
    2822             : 
    2823        2078 :          r = 1.0_dp/SQRT(2.0_dp*potential%alpha_ppl)
    2824             : 
    2825             :          WRITE (UNIT=output_unit, FMT="(/,T8,A,/,/,T27,A,/,T21,5F12.6)") &
    2826        2078 :             "Parameters of the local part of the GTH pseudopotential:", &
    2827        2078 :             "rloc        C1          C2          C3          C4", &
    2828        8151 :             r, (potential%cexp_ppl(i)*r**(2*(i - 1)), i=1, potential%nexp_ppl)
    2829             : 
    2830        2078 :          IF (potential%lppnl > -1) THEN
    2831         935 :             IF (potential%soc) THEN
    2832             :                WRITE (UNIT=output_unit, FMT="(/,T8,A,/,/,(T20,A))") &
    2833           6 :                   "Parameters of the non-local part of the GTH (SOC) pseudopotential:", &
    2834           6 :                   "l      r(l)      h(i,j,l)", &
    2835          12 :                   "                 k(i,j,l)"
    2836             :             ELSE
    2837             :                WRITE (UNIT=output_unit, FMT="(/,T8,A,/,/,T20,A,/)") &
    2838         929 :                   "Parameters of the non-local part of the GTH pseudopotential:", &
    2839        1858 :                   "l      r(l)      h(i,j,l)"
    2840             :             END IF
    2841        2726 :             DO l = 0, potential%lppnl
    2842        1791 :                r = SQRT(0.5_dp/potential%alpha_ppnl(l))
    2843             :                WRITE (UNIT=output_unit, FMT="(T19,I2,5F12.6)") &
    2844        3183 :                   l, r, (potential%hprj_ppnl(1, j, l), j=1, potential%nprj_ppnl(l))
    2845        2031 :                DO i = 2, potential%nprj_ppnl(l)
    2846             :                   WRITE (UNIT=output_unit, FMT="(T33,4F12.6)") &
    2847        2547 :                      (potential%hprj_ppnl(i, j, l), j=1, potential%nprj_ppnl(l))
    2848             :                END DO
    2849        2726 :                IF (potential%soc .AND. (l > 0)) THEN
    2850          27 :                   DO i = 1, potential%nprj_ppnl(l)
    2851             :                      WRITE (UNIT=output_unit, FMT="(T33,4F12.6)") &
    2852          53 :                         (potential%kprj_ppnl(i, j, l), j=1, potential%nprj_ppnl(l))
    2853             :                   END DO
    2854             :                END IF
    2855             :             END DO
    2856             :          END IF
    2857             :       END IF
    2858             : 
    2859        2078 :    END SUBROUTINE write_gth_potential
    2860             : 
    2861             : ! **************************************************************************************************
    2862             : !> \brief ...
    2863             : !> \param potential ...
    2864             : !> \param output_unit ...
    2865             : ! **************************************************************************************************
    2866           6 :    SUBROUTINE write_sgp_potential(potential, output_unit)
    2867             : 
    2868             :       TYPE(sgp_potential_type), INTENT(IN)               :: potential
    2869             :       INTEGER, INTENT(in)                                :: output_unit
    2870             : 
    2871             :       CHARACTER(LEN=40)                                  :: string
    2872             :       INTEGER                                            :: i, l
    2873             :       CHARACTER(LEN=1), DIMENSION(0:10), PARAMETER :: &
    2874             :          slqval = ["s", "p", "d", "f", "g", "h", "j", "k", "l", "m", "n"]
    2875             : 
    2876           6 :       IF (output_unit > 0) THEN
    2877             :          WRITE (UNIT=output_unit, FMT="(/,T6,A,T41,A40,/)") &
    2878           6 :             "SGP Potential information for", ADJUSTR(TRIM(potential%name))
    2879             :          WRITE (UNIT=output_unit, FMT="(T8,A,T25,A56)") &
    2880           6 :             "Description: ", ADJUSTR(TRIM(potential%description(1))), &
    2881           6 :             "             ", ADJUSTR(TRIM(potential%description(2))), &
    2882           6 :             "             ", ADJUSTR(TRIM(potential%description(3))), &
    2883          12 :             "             ", ADJUSTR(TRIM(potential%description(4)))
    2884             :          WRITE (UNIT=output_unit, FMT="(/,T8,A,T69,F12.6)") &
    2885           6 :             "Gaussian exponent of the core charge distribution: ", &
    2886          12 :             potential%alpha_core_charge
    2887          42 :          WRITE (UNIT=string, FMT="(10I4)") potential%elec_conf
    2888             :          WRITE (UNIT=output_unit, FMT="(T8,A,T61,A20)") &
    2889           6 :             "Electronic configuration (s p d ...):", &
    2890          12 :             ADJUSTR(TRIM(string))
    2891           6 :          IF (potential%ecp_local) THEN
    2892           6 :             IF (potential%nloc > 0) THEN
    2893           6 :                WRITE (UNIT=output_unit, FMT="(/,T8,'Local pseudopotential')")
    2894           6 :                WRITE (UNIT=output_unit, FMT="(T20,'r**(n-2)',T50,'Coefficient',T73,'Exponent')")
    2895          28 :                DO i = 1, potential%nloc
    2896             :                   WRITE (UNIT=output_unit, FMT="(T20,I5,T47,F14.8,T69,F12.6)") &
    2897          28 :                      potential%nrloc(i), potential%aloc(i), potential%bloc(i)
    2898             :                END DO
    2899             :             END IF
    2900             :          ELSE
    2901           0 :             IF (potential%n_local > 0) THEN
    2902           0 :                WRITE (UNIT=output_unit, FMT="(/,T8,'Local pseudopotential')")
    2903             :                WRITE (UNIT=output_unit, FMT="(T8,A,10(T21,6F10.4,/))") &
    2904           0 :                   'Exponents:', potential%a_local(1:potential%n_local)
    2905             :                WRITE (UNIT=output_unit, FMT="(T8,A,10(T21,6F10.4,/))") &
    2906           0 :                   'Coefficients:', potential%c_local(1:potential%n_local)
    2907             :             END IF
    2908             :          END IF
    2909           6 :          IF (potential%ecp_semi_local) THEN
    2910           6 :             WRITE (UNIT=output_unit, FMT="(/,T8,'Semi-local pseudopotential')")
    2911          26 :             DO l = 0, potential%sl_lmax
    2912          20 :                WRITE (UNIT=output_unit, FMT="(T8,A,A)") 'l-value: ', slqval(l)
    2913          96 :                DO i = 1, potential%npot(l)
    2914             :                   WRITE (UNIT=output_unit, FMT="(T21,I5,2F20.8)") &
    2915          90 :                      potential%nrpot(i, l), potential%bpot(i, l), potential%apot(i, l)
    2916             :                END DO
    2917             :             END DO
    2918             :          END IF
    2919             :          ! nonlocal PP
    2920           6 :          IF (potential%n_nonlocal > 0) THEN
    2921           0 :             WRITE (UNIT=output_unit, FMT="(/,T8,'Nonlocal pseudopotential')")
    2922           0 :             WRITE (UNIT=output_unit, FMT="(T8,A,T71,I10)") 'Total number of projectors:', potential%nppnl
    2923             :             WRITE (UNIT=output_unit, FMT="(T8,A,10(T21,6F10.4,/))") &
    2924           0 :                'Exponents:', potential%a_nonlocal(1:potential%n_nonlocal)
    2925           0 :             DO l = 0, potential%lmax
    2926           0 :                WRITE (UNIT=output_unit, FMT="(T8,'Coupling for l=',I4)") l
    2927             :                WRITE (UNIT=output_unit, FMT="(10(T21,6F10.4,/))") &
    2928           0 :                   potential%h_nonlocal(1:potential%n_nonlocal, l)
    2929             :             END DO
    2930             :          END IF
    2931             :          !
    2932           6 :          IF (potential%has_nlcc) THEN
    2933           0 :             WRITE (UNIT=output_unit, FMT="(/,T8,'Nonlinear Core Correction')")
    2934             :             WRITE (UNIT=output_unit, FMT="(T8,A,10(T21,6F10.4,/))") &
    2935           0 :                'Exponents:', potential%a_nlcc(1:potential%n_nlcc)
    2936             :             WRITE (UNIT=output_unit, FMT="(T8,A,10(T21,6F10.4,/))") &
    2937           0 :                'Coefficients:', potential%c_nlcc(1:potential%n_nlcc)
    2938             :          END IF
    2939             :       END IF
    2940             : 
    2941           6 :    END SUBROUTINE write_sgp_potential
    2942             : 
    2943             : ! **************************************************************************************************
    2944             : !> \brief Copy an all_potential_type to a new, unallocated variable
    2945             : !> \param pot_in the input potential to copy
    2946             : !> \param pot_out the newly copied and allocated potential
    2947             : !> \par History
    2948             : !>      - Creation (12.2019, A. Bussy)
    2949             : ! **************************************************************************************************
    2950          32 :    SUBROUTINE copy_all_potential(pot_in, pot_out)
    2951             : 
    2952             :       TYPE(all_potential_type), INTENT(IN)               :: pot_in
    2953             :       TYPE(all_potential_type), INTENT(INOUT), POINTER   :: pot_out
    2954             : 
    2955          32 :       CALL allocate_all_potential(pot_out)
    2956             : 
    2957          32 :       pot_out%name = pot_in%name
    2958          32 :       pot_out%alpha_core_charge = pot_in%alpha_core_charge
    2959          32 :       pot_out%ccore_charge = pot_in%ccore_charge
    2960          32 :       pot_out%core_charge_radius = pot_in%core_charge_radius
    2961          32 :       pot_out%zeff = pot_in%zeff
    2962          32 :       pot_out%zeff_correction = pot_in%zeff_correction
    2963          32 :       pot_out%z = pot_in%z
    2964             : 
    2965          32 :       IF (ASSOCIATED(pot_in%elec_conf)) THEN
    2966         128 :          ALLOCATE (pot_out%elec_conf(LBOUND(pot_in%elec_conf, 1):UBOUND(pot_in%elec_conf, 1)))
    2967         128 :          pot_out%elec_conf(:) = pot_in%elec_conf(:)
    2968             :       END IF
    2969             : 
    2970          32 :    END SUBROUTINE copy_all_potential
    2971             : 
    2972             : ! **************************************************************************************************
    2973             : !> \brief Copy a gth_potential_type to a new, unallocated variable
    2974             : !> \param pot_in the input potential to copy
    2975             : !> \param pot_out the newly copied and allocated potential
    2976             : !> \par History
    2977             : !>      - Creation (12.2019, A. Bussy)
    2978             : ! **************************************************************************************************
    2979         130 :    SUBROUTINE copy_gth_potential(pot_in, pot_out)
    2980             : 
    2981             :       TYPE(gth_potential_type), INTENT(IN)               :: pot_in
    2982             :       TYPE(gth_potential_type), INTENT(INOUT), POINTER   :: pot_out
    2983             : 
    2984         130 :       CALL allocate_gth_potential(pot_out)
    2985             : 
    2986         130 :       pot_out%name = pot_in%name
    2987         130 :       pot_out%aliases = pot_in%aliases
    2988         130 :       pot_out%alpha_core_charge = pot_in%alpha_core_charge
    2989         130 :       pot_out%alpha_ppl = pot_in%alpha_ppl
    2990         130 :       pot_out%ccore_charge = pot_in%ccore_charge
    2991         130 :       pot_out%cerf_ppl = pot_in%cerf_ppl
    2992         130 :       pot_out%zeff = pot_in%zeff
    2993         130 :       pot_out%core_charge_radius = pot_in%core_charge_radius
    2994         130 :       pot_out%ppl_radius = pot_in%ppl_radius
    2995         130 :       pot_out%ppnl_radius = pot_in%ppnl_radius
    2996         130 :       pot_out%zeff_correction = pot_in%zeff_correction
    2997         130 :       pot_out%lppnl = pot_in%lppnl
    2998         130 :       pot_out%lprj_ppnl_max = pot_in%lprj_ppnl_max
    2999         130 :       pot_out%nexp_ppl = pot_in%nexp_ppl
    3000         130 :       pot_out%nppnl = pot_in%nppnl
    3001         130 :       pot_out%nprj_ppnl_max = pot_in%nprj_ppnl_max
    3002         130 :       pot_out%z = pot_in%z
    3003         130 :       pot_out%nlcc = pot_in%nlcc
    3004         130 :       pot_out%nexp_nlcc = pot_in%nexp_nlcc
    3005         130 :       pot_out%lsdpot = pot_in%lsdpot
    3006         130 :       pot_out%nexp_lsd = pot_in%nexp_lsd
    3007         130 :       pot_out%lpotextended = pot_in%lpotextended
    3008         130 :       pot_out%nexp_lpot = pot_in%nexp_lpot
    3009             : 
    3010         130 :       IF (ASSOCIATED(pot_in%alpha_ppnl)) THEN
    3011         280 :          ALLOCATE (pot_out%alpha_ppnl(LBOUND(pot_in%alpha_ppnl, 1):UBOUND(pot_in%alpha_ppnl, 1)))
    3012         200 :          pot_out%alpha_ppnl(:) = pot_in%alpha_ppnl(:)
    3013             :       END IF
    3014         130 :       IF (ASSOCIATED(pot_in%cexp_ppl)) THEN
    3015         520 :          ALLOCATE (pot_out%cexp_ppl(LBOUND(pot_in%cexp_ppl, 1):UBOUND(pot_in%cexp_ppl, 1)))
    3016         390 :          pot_out%cexp_ppl(:) = pot_in%cexp_ppl(:)
    3017             :       END IF
    3018         130 :       IF (ASSOCIATED(pot_in%elec_conf)) THEN
    3019         520 :          ALLOCATE (pot_out%elec_conf(LBOUND(pot_in%elec_conf, 1):UBOUND(pot_in%elec_conf, 1)))
    3020         368 :          pot_out%elec_conf(:) = pot_in%elec_conf(:)
    3021             :       END IF
    3022         130 :       IF (ASSOCIATED(pot_in%nprj_ppnl)) THEN
    3023         280 :          ALLOCATE (pot_out%nprj_ppnl(LBOUND(pot_in%nprj_ppnl, 1):UBOUND(pot_in%nprj_ppnl, 1)))
    3024         200 :          pot_out%nprj_ppnl(:) = pot_in%nprj_ppnl(:)
    3025             :       END IF
    3026         130 :       IF (ASSOCIATED(pot_in%cprj)) THEN
    3027             :          ALLOCATE (pot_out%cprj(LBOUND(pot_in%cprj, 1):UBOUND(pot_in%cprj, 1), &
    3028         560 :                                 LBOUND(pot_in%cprj, 2):UBOUND(pot_in%cprj, 2)))
    3029         210 :          pot_out%cprj(:, :) = pot_in%cprj(:, :)
    3030             :       END IF
    3031         130 :       IF (ASSOCIATED(pot_in%cprj_ppnl)) THEN
    3032             :          ALLOCATE (pot_out%cprj_ppnl(LBOUND(pot_in%cprj_ppnl, 1):UBOUND(pot_in%cprj_ppnl, 1), &
    3033         560 :                                      LBOUND(pot_in%cprj_ppnl, 2):UBOUND(pot_in%cprj_ppnl, 2)))
    3034         330 :          pot_out%cprj_ppnl(:, :) = pot_in%cprj_ppnl(:, :)
    3035             :       END IF
    3036         130 :       IF (ASSOCIATED(pot_in%hprj_ppnl)) THEN
    3037             :          ALLOCATE (pot_out%hprj_ppnl(LBOUND(pot_in%hprj_ppnl, 1):UBOUND(pot_in%hprj_ppnl, 1), &
    3038             :                                      LBOUND(pot_in%hprj_ppnl, 2):UBOUND(pot_in%hprj_ppnl, 2), &
    3039         840 :                                      LBOUND(pot_in%hprj_ppnl, 3):UBOUND(pot_in%hprj_ppnl, 3)))
    3040         460 :          pot_out%hprj_ppnl(:, :, :) = pot_in%hprj_ppnl(:, :, :)
    3041             :       END IF
    3042         130 :       IF (ASSOCIATED(pot_in%kprj_ppnl)) THEN
    3043             :          ALLOCATE (pot_out%kprj_ppnl(LBOUND(pot_in%kprj_ppnl, 1):UBOUND(pot_in%kprj_ppnl, 1), &
    3044             :                                      LBOUND(pot_in%kprj_ppnl, 2):UBOUND(pot_in%kprj_ppnl, 2), &
    3045         840 :                                      LBOUND(pot_in%kprj_ppnl, 3):UBOUND(pot_in%kprj_ppnl, 3)))
    3046         460 :          pot_out%kprj_ppnl(:, :, :) = pot_in%kprj_ppnl(:, :, :)
    3047             :       END IF
    3048         130 :       IF (ASSOCIATED(pot_in%vprj_ppnl)) THEN
    3049             :          ALLOCATE (pot_out%vprj_ppnl(LBOUND(pot_in%vprj_ppnl, 1):UBOUND(pot_in%vprj_ppnl, 1), &
    3050         560 :                                      LBOUND(pot_in%vprj_ppnl, 2):UBOUND(pot_in%vprj_ppnl, 2)))
    3051         210 :          pot_out%vprj_ppnl(:, :) = pot_in%vprj_ppnl(:, :)
    3052             :       END IF
    3053         130 :       IF (ASSOCIATED(pot_in%wprj_ppnl)) THEN
    3054             :          ALLOCATE (pot_out%wprj_ppnl(LBOUND(pot_in%wprj_ppnl, 1):UBOUND(pot_in%wprj_ppnl, 1), &
    3055         560 :                                      LBOUND(pot_in%wprj_ppnl, 2):UBOUND(pot_in%wprj_ppnl, 2)))
    3056         210 :          pot_out%wprj_ppnl(:, :) = pot_in%wprj_ppnl(:, :)
    3057             :       END IF
    3058         130 :       IF (ASSOCIATED(pot_in%alpha_nlcc)) THEN
    3059           0 :          ALLOCATE (pot_out%alpha_nlcc(LBOUND(pot_in%alpha_nlcc, 1):UBOUND(pot_in%alpha_nlcc, 1)))
    3060           0 :          pot_out%alpha_nlcc(:) = pot_in%alpha_nlcc(:)
    3061             :       END IF
    3062         130 :       IF (ASSOCIATED(pot_in%nct_nlcc)) THEN
    3063           0 :          ALLOCATE (pot_out%nct_nlcc(LBOUND(pot_in%nct_nlcc, 1):UBOUND(pot_in%nct_nlcc, 1)))
    3064           0 :          pot_out%nct_nlcc(:) = pot_in%nct_nlcc(:)
    3065             :       END IF
    3066         130 :       IF (ASSOCIATED(pot_in%cval_nlcc)) THEN
    3067             :          ALLOCATE (pot_out%cval_nlcc(LBOUND(pot_in%cval_nlcc, 1):UBOUND(pot_in%cval_nlcc, 1), &
    3068           0 :                                      LBOUND(pot_in%cval_nlcc, 2):UBOUND(pot_in%cval_nlcc, 2)))
    3069           0 :          pot_out%cval_nlcc(:, :) = pot_in%cval_nlcc(:, :)
    3070             :       END IF
    3071         130 :       IF (ASSOCIATED(pot_in%alpha_lsd)) THEN
    3072           0 :          ALLOCATE (pot_out%alpha_lsd(LBOUND(pot_in%alpha_lsd, 1):UBOUND(pot_in%alpha_lsd, 1)))
    3073           0 :          pot_out%alpha_lsd(:) = pot_in%alpha_lsd(:)
    3074             :       END IF
    3075         130 :       IF (ASSOCIATED(pot_in%nct_lsd)) THEN
    3076           0 :          ALLOCATE (pot_out%nct_lsd(LBOUND(pot_in%nct_lsd, 1):UBOUND(pot_in%nct_lsd, 1)))
    3077           0 :          pot_out%nct_lsd(:) = pot_in%nct_lsd(:)
    3078             :       END IF
    3079         130 :       IF (ASSOCIATED(pot_in%cval_lsd)) THEN
    3080             :          ALLOCATE (pot_out%cval_lsd(LBOUND(pot_in%cval_lsd, 1):UBOUND(pot_in%cval_lsd, 1), &
    3081           0 :                                     LBOUND(pot_in%cval_lsd, 2):UBOUND(pot_in%cval_lsd, 2)))
    3082           0 :          pot_out%cval_lsd(:, :) = pot_in%cval_lsd(:, :)
    3083             :       END IF
    3084         130 :       IF (ASSOCIATED(pot_in%alpha_lpot)) THEN
    3085           0 :          ALLOCATE (pot_out%alpha_lpot(LBOUND(pot_in%alpha_lpot, 1):UBOUND(pot_in%alpha_lpot, 1)))
    3086           0 :          pot_out%alpha_lpot(:) = pot_in%alpha_lpot(:)
    3087             :       END IF
    3088         130 :       IF (ASSOCIATED(pot_in%nct_lpot)) THEN
    3089           0 :          ALLOCATE (pot_out%nct_lpot(LBOUND(pot_in%nct_lpot, 1):UBOUND(pot_in%nct_lpot, 1)))
    3090           0 :          pot_out%nct_lpot(:) = pot_in%nct_lpot(:)
    3091             :       END IF
    3092         130 :       IF (ASSOCIATED(pot_in%cval_lpot)) THEN
    3093             :          ALLOCATE (pot_out%cval_lpot(LBOUND(pot_in%cval_lpot, 1):UBOUND(pot_in%cval_lpot, 1), &
    3094           0 :                                      LBOUND(pot_in%cval_lpot, 2):UBOUND(pot_in%cval_lpot, 2)))
    3095           0 :          pot_out%cval_lpot(:, :) = pot_in%cval_lpot(:, :)
    3096             :       END IF
    3097             : 
    3098         130 :    END SUBROUTINE copy_gth_potential
    3099             : 
    3100             : ! **************************************************************************************************
    3101             : !> \brief Copy a sgp_potential_type to a new, unallocated variable
    3102             : !> \param pot_in the input potential to copy
    3103             : !> \param pot_out the newly copied and allocated potential
    3104             : !> \par History
    3105             : !>      - Creation (12.2019, A. Bussy)
    3106             : ! **************************************************************************************************
    3107           0 :    SUBROUTINE copy_sgp_potential(pot_in, pot_out)
    3108             : 
    3109             :       TYPE(sgp_potential_type), INTENT(IN)               :: pot_in
    3110             :       TYPE(sgp_potential_type), INTENT(INOUT), POINTER   :: pot_out
    3111             : 
    3112           0 :       CALL allocate_sgp_potential(pot_out)
    3113             : 
    3114           0 :       pot_out%name = pot_in%name
    3115           0 :       pot_out%aliases = pot_in%aliases
    3116           0 :       pot_out%z = pot_in%z
    3117           0 :       pot_out%zeff = pot_in%zeff
    3118           0 :       pot_out%zeff_correction = pot_in%zeff_correction
    3119           0 :       pot_out%alpha_core_charge = pot_in%alpha_core_charge
    3120           0 :       pot_out%ccore_charge = pot_in%ccore_charge
    3121           0 :       pot_out%core_charge_radius = pot_in%core_charge_radius
    3122           0 :       pot_out%ppl_radius = pot_in%ppl_radius
    3123           0 :       pot_out%ppnl_radius = pot_in%ppnl_radius
    3124           0 :       pot_out%ecp_local = pot_in%ecp_local
    3125           0 :       pot_out%n_local = pot_in%n_local
    3126           0 :       pot_out%nloc = pot_in%nloc
    3127           0 :       pot_out%nrloc = pot_in%nrloc
    3128           0 :       pot_out%aloc = pot_in%aloc
    3129           0 :       pot_out%bloc = pot_in%bloc
    3130           0 :       pot_out%ecp_semi_local = pot_in%ecp_semi_local
    3131           0 :       pot_out%sl_lmax = pot_in%sl_lmax
    3132           0 :       pot_out%npot = pot_in%npot
    3133           0 :       pot_out%nrpot = pot_in%nrpot
    3134           0 :       pot_out%apot = pot_in%apot
    3135           0 :       pot_out%bpot = pot_in%bpot
    3136           0 :       pot_out%n_nonlocal = pot_in%n_nonlocal
    3137           0 :       pot_out%nppnl = pot_in%nppnl
    3138           0 :       pot_out%lmax = pot_in%lmax
    3139           0 :       pot_out%is_nonlocal = pot_in%is_nonlocal
    3140           0 :       pot_out%has_nlcc = pot_in%has_nlcc
    3141           0 :       pot_out%n_nlcc = pot_in%n_nlcc
    3142             : 
    3143           0 :       IF (ASSOCIATED(pot_in%elec_conf)) THEN
    3144           0 :          ALLOCATE (pot_out%elec_conf(LBOUND(pot_in%elec_conf, 1):UBOUND(pot_in%elec_conf, 1)))
    3145           0 :          pot_out%elec_conf(:) = pot_in%elec_conf(:)
    3146             :       END IF
    3147           0 :       IF (ASSOCIATED(pot_in%a_local)) THEN
    3148           0 :          ALLOCATE (pot_out%a_local(LBOUND(pot_in%a_local, 1):UBOUND(pot_in%a_local, 1)))
    3149           0 :          pot_out%a_local(:) = pot_in%a_local(:)
    3150             :       END IF
    3151           0 :       IF (ASSOCIATED(pot_in%c_local)) THEN
    3152           0 :          ALLOCATE (pot_out%c_local(LBOUND(pot_in%c_local, 1):UBOUND(pot_in%c_local, 1)))
    3153           0 :          pot_out%c_local(:) = pot_in%c_local(:)
    3154             :       END IF
    3155           0 :       IF (ASSOCIATED(pot_in%a_nonlocal)) THEN
    3156           0 :          ALLOCATE (pot_out%a_nonlocal(LBOUND(pot_in%a_nonlocal, 1):UBOUND(pot_in%a_nonlocal, 1)))
    3157           0 :          pot_out%a_nonlocal(:) = pot_in%a_nonlocal(:)
    3158             :       END IF
    3159           0 :       IF (ASSOCIATED(pot_in%h_nonlocal)) THEN
    3160             :          ALLOCATE (pot_out%h_nonlocal(LBOUND(pot_in%h_nonlocal, 1):UBOUND(pot_in%h_nonlocal, 1), &
    3161           0 :                                       LBOUND(pot_in%h_nonlocal, 2):UBOUND(pot_in%h_nonlocal, 2)))
    3162           0 :          pot_out%h_nonlocal(:, :) = pot_in%h_nonlocal(:, :)
    3163             :       END IF
    3164           0 :       IF (ASSOCIATED(pot_in%c_nonlocal)) THEN
    3165             :          ALLOCATE (pot_out%c_nonlocal(LBOUND(pot_in%c_nonlocal, 1):UBOUND(pot_in%c_nonlocal, 1), &
    3166             :                                       LBOUND(pot_in%c_nonlocal, 2):UBOUND(pot_in%c_nonlocal, 2), &
    3167           0 :                                       LBOUND(pot_in%c_nonlocal, 3):UBOUND(pot_in%c_nonlocal, 3)))
    3168           0 :          pot_out%c_nonlocal(:, :, :) = pot_in%c_nonlocal(:, :, :)
    3169             :       END IF
    3170           0 :       IF (ASSOCIATED(pot_in%cprj_ppnl)) THEN
    3171             :          ALLOCATE (pot_out%cprj_ppnl(LBOUND(pot_in%cprj_ppnl, 1):UBOUND(pot_in%cprj_ppnl, 1), &
    3172           0 :                                      LBOUND(pot_in%cprj_ppnl, 2):UBOUND(pot_in%cprj_ppnl, 2)))
    3173           0 :          pot_out%cprj_ppnl(:, :) = pot_in%cprj_ppnl(:, :)
    3174             :       END IF
    3175           0 :       IF (ASSOCIATED(pot_in%vprj_ppnl)) THEN
    3176           0 :          ALLOCATE (pot_out%vprj_ppnl(LBOUND(pot_in%vprj_ppnl, 1):UBOUND(pot_in%vprj_ppnl, 1)))
    3177           0 :          pot_out%vprj_ppnl(:) = pot_in%vprj_ppnl(:)
    3178             :       END IF
    3179           0 :       IF (ASSOCIATED(pot_in%a_nlcc)) THEN
    3180           0 :          ALLOCATE (pot_out%a_nlcc(LBOUND(pot_in%a_nlcc, 1):UBOUND(pot_in%a_nlcc, 1)))
    3181           0 :          pot_out%a_nlcc(:) = pot_in%a_nlcc(:)
    3182             :       END IF
    3183           0 :       IF (ASSOCIATED(pot_in%c_nlcc)) THEN
    3184           0 :          ALLOCATE (pot_out%c_nlcc(LBOUND(pot_in%c_nlcc, 1):UBOUND(pot_in%c_nlcc, 1)))
    3185           0 :          pot_out%c_nlcc(:) = pot_in%c_nlcc(:)
    3186             :       END IF
    3187             : 
    3188           0 :    END SUBROUTINE copy_sgp_potential
    3189             : 
    3190           0 : END MODULE external_potential_types

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