LCOV - code coverage report
Current view: top level - src - topology_psf.F (source / functions) Hit Total Coverage
Test: CP2K Regtests (git:4dc10b3) Lines: 508 540 94.1 %
Date: 2024-11-21 06:45:46 Functions: 4 4 100.0 %

          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 Functionality to read in PSF topologies and convert it into local
      10             : !>      data structures
      11             : !> \author ikuo
      12             : !>      tlaino 10.2006
      13             : ! **************************************************************************************************
      14             : MODULE topology_psf
      15             :    USE cp_log_handling,                 ONLY: cp_get_default_logger,&
      16             :                                               cp_logger_get_default_io_unit,&
      17             :                                               cp_logger_type,&
      18             :                                               cp_to_string
      19             :    USE cp_output_handling,              ONLY: cp_print_key_finished_output,&
      20             :                                               cp_print_key_generate_filename,&
      21             :                                               cp_print_key_unit_nr
      22             :    USE cp_parser_methods,               ONLY: parser_get_next_line,&
      23             :                                               parser_get_object,&
      24             :                                               parser_search_string,&
      25             :                                               parser_test_next_token
      26             :    USE cp_parser_types,                 ONLY: cp_parser_type,&
      27             :                                               parser_create,&
      28             :                                               parser_release
      29             :    USE force_fields_input,              ONLY: read_chrg_section
      30             :    USE input_constants,                 ONLY: do_conn_psf,&
      31             :                                               do_conn_psf_u
      32             :    USE input_section_types,             ONLY: section_vals_get,&
      33             :                                               section_vals_get_subs_vals,&
      34             :                                               section_vals_type,&
      35             :                                               section_vals_val_get
      36             :    USE kinds,                           ONLY: default_string_length,&
      37             :                                               dp
      38             :    USE memory_utilities,                ONLY: reallocate
      39             :    USE message_passing,                 ONLY: mp_para_env_type
      40             :    USE qmmm_ff_fist,                    ONLY: qmmm_ff_precond_only_qm
      41             :    USE string_table,                    ONLY: id2str,&
      42             :                                               s2s,&
      43             :                                               str2id
      44             :    USE string_utilities,                ONLY: uppercase
      45             :    USE topology_types,                  ONLY: atom_info_type,&
      46             :                                               connectivity_info_type,&
      47             :                                               topology_parameters_type
      48             :    USE topology_util,                   ONLY: array1_list_type,&
      49             :                                               reorder_structure,&
      50             :                                               tag_molecule
      51             :    USE util,                            ONLY: sort
      52             : #include "./base/base_uses.f90"
      53             : 
      54             :    IMPLICIT NONE
      55             : 
      56             :    CHARACTER(len=*), PARAMETER, PRIVATE :: moduleN = 'topology_psf'
      57             : 
      58             :    PRIVATE
      59             :    PUBLIC :: read_topology_psf, &
      60             :              write_topology_psf, &
      61             :              psf_post_process, &
      62             :              idm_psf
      63             : 
      64             : CONTAINS
      65             : 
      66             : ! **************************************************************************************************
      67             : !> \brief Read PSF topology file
      68             : !>      Teodoro Laino - Introduced CHARMM31 EXT PSF standard format
      69             : !> \param filename ...
      70             : !> \param topology ...
      71             : !> \param para_env ...
      72             : !> \param subsys_section ...
      73             : !> \param psf_type ...
      74             : !> \par History
      75             : !>      04-2007 Teodoro Laino - Zurich University [tlaino]
      76             : !>      This routine should contain only information read from the PSF format
      77             : !>      and all post_process should be performef in the psf_post_process
      78             : ! **************************************************************************************************
      79       24954 :    SUBROUTINE read_topology_psf(filename, topology, para_env, subsys_section, psf_type)
      80             :       CHARACTER(LEN=*), INTENT(IN)                       :: filename
      81             :       TYPE(topology_parameters_type), INTENT(INOUT)      :: topology
      82             :       TYPE(mp_para_env_type), POINTER                    :: para_env
      83             :       TYPE(section_vals_type), POINTER                   :: subsys_section
      84             :       INTEGER, INTENT(IN)                                :: psf_type
      85             : 
      86             :       CHARACTER(len=*), PARAMETER                        :: routineN = 'read_topology_psf'
      87             : 
      88             :       CHARACTER(LEN=2*default_string_length)             :: psf_format
      89             :       CHARACTER(LEN=3)                                   :: c_int
      90             :       CHARACTER(LEN=default_string_length)               :: dummy_field, field, label, strtmp1, &
      91             :                                                             strtmp2, strtmp3
      92             :       INTEGER :: handle, i, iatom, ibond, idum, index_now, iphi, itheta, iw, natom, natom_prev, &
      93             :          nbond, nbond_prev, nphi, nphi_prev, ntheta, ntheta_prev, output_unit
      94             :       LOGICAL                                            :: found
      95             :       TYPE(atom_info_type), POINTER                      :: atom_info
      96             :       TYPE(connectivity_info_type), POINTER              :: conn_info
      97             :       TYPE(cp_logger_type), POINTER                      :: logger
      98             :       TYPE(cp_parser_type)                               :: parser
      99             : 
     100        8318 :       NULLIFY (logger)
     101       16636 :       logger => cp_get_default_logger()
     102        8318 :       output_unit = cp_logger_get_default_io_unit(logger)
     103             :       iw = cp_print_key_unit_nr(logger, subsys_section, "PRINT%TOPOLOGY_INFO/PSF_INFO", &
     104        8318 :                                 extension=".subsysLog")
     105        8318 :       CALL timeset(routineN, handle)
     106        8318 :       CALL parser_create(parser, filename, para_env=para_env)
     107             : 
     108        8318 :       atom_info => topology%atom_info
     109        8318 :       conn_info => topology%conn_info
     110        8318 :       natom_prev = 0
     111        8318 :       IF (ASSOCIATED(atom_info%id_molname)) natom_prev = SIZE(atom_info%id_molname)
     112        8318 :       c_int = 'I8'
     113        8318 :       label = 'PSF'
     114        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     115        8318 :       IF (.NOT. found) THEN
     116           0 :          IF (output_unit > 0) THEN
     117           0 :             WRITE (output_unit, '(A)') "ERROR| Missing PSF specification line"
     118             :          END IF
     119           0 :          CPABORT("")
     120             :       END IF
     121       18628 :       DO WHILE (parser_test_next_token(parser) /= "EOL")
     122       10310 :          CALL parser_get_object(parser, field)
     123        8318 :          SELECT CASE (field(1:3))
     124             :          CASE ("PSF")
     125        8318 :             IF (psf_type == do_conn_psf) THEN
     126             :                ! X-PLOR PSF format "similar" to the plain CHARMM PSF format
     127        7974 :                psf_format = '(I8,1X,A4,I5,1X,A4,1X,A4,1X,A4,1X,2G14.6,I8)'
     128             :             END IF
     129             :          CASE ("EXT")
     130        1992 :             IF (psf_type == do_conn_psf) THEN
     131             :                ! EXTEnded CHARMM31 format
     132        1992 :                psf_format = '(I10,T12,A7,T21,I8,T30,A7,T39,A6,T47,A6,T53,F10.6,T69,F8.3,T88,I1)'
     133        1992 :                c_int = 'I10'
     134             :             ELSE
     135           0 :                CPABORT("PSF_INFO| "//field(1:3)//" :: not available for UPSF format!")
     136             :             END IF
     137             :          CASE DEFAULT
     138       10310 :             CPABORT("PSF_INFO| "//field(1:3)//" :: Unimplemented keyword in CP2K PSF/UPSF format!")
     139             :          END SELECT
     140             :       END DO
     141        8318 :       IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| Parsing the NATOM section'
     142             :       !
     143             :       ! ATOM section
     144             :       !
     145        8318 :       label = '!NATOM'
     146        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     147        8318 :       IF (.NOT. found) THEN
     148           0 :          IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| No NATOM section '
     149           0 :          natom = 0
     150             :       ELSE
     151        8318 :          CALL parser_get_object(parser, natom)
     152        8318 :          IF (natom_prev + natom > topology%natoms) &
     153             :             CALL cp_abort(__LOCATION__, &
     154             :                           "Number of atoms in connectivity control is larger than the "// &
     155             :                           "number of atoms in coordinate control. check coordinates and "// &
     156           0 :                           "connectivity. ")
     157        8318 :          IF (iw > 0) WRITE (iw, '(T2,A,'//TRIM(c_int)//')') 'PSF_INFO| NATOM = ', natom
     158             :          !malloc the memory that we need
     159        8318 :          CALL reallocate(atom_info%id_molname, 1, natom_prev + natom)
     160        8318 :          CALL reallocate(atom_info%resid, 1, natom_prev + natom)
     161        8318 :          CALL reallocate(atom_info%id_resname, 1, natom_prev + natom)
     162        8318 :          CALL reallocate(atom_info%id_atmname, 1, natom_prev + natom)
     163        8318 :          CALL reallocate(atom_info%atm_charge, 1, natom_prev + natom)
     164        8318 :          CALL reallocate(atom_info%atm_mass, 1, natom_prev + natom)
     165             :          !Read in the atom info
     166        8318 :          IF (psf_type == do_conn_psf_u) THEN
     167      194578 :             DO iatom = 1, natom
     168      194234 :                index_now = iatom + natom_prev
     169      194234 :                CALL parser_get_next_line(parser, 1)
     170      194234 :                READ (parser%input_line, FMT=*, ERR=9) i, &
     171      194234 :                   strtmp1, &
     172      194234 :                   atom_info%resid(index_now), &
     173      194234 :                   strtmp2, &
     174      194234 :                   dummy_field, &
     175      194234 :                   strtmp3, &
     176      194234 :                   atom_info%atm_charge(index_now), &
     177      388468 :                   atom_info%atm_mass(index_now)
     178      194234 :                atom_info%id_molname(index_now) = str2id(s2s(strtmp1))
     179      194234 :                atom_info%id_resname(index_now) = str2id(s2s(strtmp2))
     180      194578 :                atom_info%id_atmname(index_now) = str2id(s2s(strtmp3))
     181             :             END DO
     182             :          ELSE
     183      185051 :             DO iatom = 1, natom
     184      177077 :                index_now = iatom + natom_prev
     185      177077 :                CALL parser_get_next_line(parser, 1)
     186             :                READ (parser%input_line, FMT=psf_format) &
     187      177077 :                   i, &
     188      177077 :                   strtmp1, &
     189      177077 :                   atom_info%resid(index_now), &
     190      177077 :                   strtmp2, &
     191      177077 :                   dummy_field, &
     192      177077 :                   strtmp3, &
     193      177077 :                   atom_info%atm_charge(index_now), &
     194      177077 :                   atom_info%atm_mass(index_now), &
     195      354154 :                   idum
     196      177077 :                atom_info%id_molname(index_now) = str2id(s2s(strtmp1))
     197      177077 :                atom_info%id_resname(index_now) = str2id(s2s(strtmp2))
     198      185051 :                atom_info%id_atmname(index_now) = str2id(s2s(ADJUSTL(strtmp3)))
     199             :             END DO
     200             :          END IF
     201             :       END IF
     202             : 
     203             :       !
     204             :       ! BOND section
     205             :       !
     206        8318 :       nbond_prev = 0
     207        8318 :       IF (ASSOCIATED(conn_info%bond_a)) nbond_prev = SIZE(conn_info%bond_a)
     208             : 
     209        8318 :       IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| Parsing the NBOND section'
     210        8318 :       IF (iw > 0) WRITE (iw, '(T2,A,I8)') 'PSF_INFO| Previous number of allocated BOND: ', nbond_prev
     211        8318 :       label = '!NBOND'
     212        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     213        8318 :       IF (.NOT. found) THEN
     214           0 :          IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| No NBOND section '
     215           0 :          nbond = 0
     216             :       ELSE
     217        8318 :          CALL parser_get_object(parser, nbond)
     218        8318 :          IF (iw > 0) WRITE (iw, '(T2,A,'//TRIM(c_int)//')') 'PSF_INFO| NBOND = ', nbond
     219             :          !malloc the memory that we need
     220        8318 :          CALL reallocate(conn_info%bond_a, 1, nbond_prev + nbond)
     221        8318 :          CALL reallocate(conn_info%bond_b, 1, nbond_prev + nbond)
     222             :          !Read in the bond info
     223        8318 :          IF (psf_type == do_conn_psf_u) THEN
     224       44246 :             DO ibond = 1, nbond, 4
     225       43902 :                CALL parser_get_next_line(parser, 1)
     226       43902 :                index_now = nbond_prev + ibond - 1
     227      175462 :                READ (parser%input_line, FMT=*, ERR=9) (conn_info%bond_a(index_now + i), &
     228      219364 :                                                        conn_info%bond_b(index_now + i), &
     229      263610 :                                                        i=1, MIN(4, (nbond - ibond + 1)))
     230             :             END DO
     231             :          ELSE
     232        7974 :             DO ibond = 1, nbond, 4
     233       40818 :                CALL parser_get_next_line(parser, 1)
     234       40818 :                index_now = nbond_prev + ibond - 1
     235             :                READ (parser%input_line, FMT='(8'//TRIM(c_int)//')') &
     236      152917 :                   (conn_info%bond_a(index_now + i), &
     237      193735 :                    conn_info%bond_b(index_now + i), &
     238      237925 :                    i=1, MIN(4, (nbond - ibond + 1)))
     239             :             END DO
     240             :          END IF
     241             :          IF (ANY(conn_info%bond_a(nbond_prev + 1:) <= 0) .OR. &
     242             :              ANY(conn_info%bond_a(nbond_prev + 1:) > natom) .OR. &
     243     1330152 :              ANY(conn_info%bond_b(nbond_prev + 1:) <= 0) .OR. &
     244             :              ANY(conn_info%bond_b(nbond_prev + 1:) > natom)) THEN
     245           0 :             CPABORT("topology_read, invalid bond")
     246             :          END IF
     247      336697 :          conn_info%bond_a(nbond_prev + 1:) = conn_info%bond_a(nbond_prev + 1:) + natom_prev
     248      336697 :          conn_info%bond_b(nbond_prev + 1:) = conn_info%bond_b(nbond_prev + 1:) + natom_prev
     249             :       END IF
     250             :       !
     251             :       ! THETA section
     252             :       !
     253        8318 :       ntheta_prev = 0
     254        8318 :       IF (ASSOCIATED(conn_info%theta_a)) ntheta_prev = SIZE(conn_info%theta_a)
     255             : 
     256        8318 :       IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| Parsing the NTHETA section'
     257        8318 :       IF (iw > 0) WRITE (iw, '(T2,A,I8)') 'PSF_INFO| Previous number of allocated THETA: ', ntheta_prev
     258        8318 :       label = '!NTHETA'
     259        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     260        8318 :       IF (.NOT. found) THEN
     261           0 :          IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| No NTHETA section '
     262           0 :          ntheta = 0
     263             :       ELSE
     264        8318 :          CALL parser_get_object(parser, ntheta)
     265        8318 :          IF (iw > 0) WRITE (iw, '(T2,A,'//TRIM(c_int)//')') 'PSF_INFO| NTHETA = ', ntheta
     266             :          !malloc the memory that we need
     267        8318 :          CALL reallocate(conn_info%theta_a, 1, ntheta_prev + ntheta)
     268        8318 :          CALL reallocate(conn_info%theta_b, 1, ntheta_prev + ntheta)
     269        8318 :          CALL reallocate(conn_info%theta_c, 1, ntheta_prev + ntheta)
     270             :          !Read in the bend info
     271        8318 :          IF (psf_type == do_conn_psf_u) THEN
     272       28288 :             DO itheta = 1, ntheta, 3
     273       27944 :                CALL parser_get_next_line(parser, 1)
     274       27944 :                index_now = ntheta_prev + itheta - 1
     275       83772 :                READ (parser%input_line, FMT=*, ERR=9) (conn_info%theta_a(index_now + i), &
     276       83772 :                                                        conn_info%theta_b(index_now + i), &
     277      111716 :                                                        conn_info%theta_c(index_now + i), &
     278      140004 :                                                        i=1, MIN(3, (ntheta - itheta + 1)))
     279             :             END DO
     280             :          ELSE
     281        7974 :             DO itheta = 1, ntheta, 3
     282       17045 :                CALL parser_get_next_line(parser, 1)
     283       17045 :                index_now = ntheta_prev + itheta - 1
     284             :                READ (parser%input_line, FMT='(9'//TRIM(c_int)//')') &
     285       42711 :                   (conn_info%theta_a(index_now + i), &
     286       42711 :                    conn_info%theta_b(index_now + i), &
     287       59756 :                    conn_info%theta_c(index_now + i), &
     288       80195 :                    i=1, MIN(3, (ntheta - itheta + 1)))
     289             :             END DO
     290             :          END IF
     291      134801 :          conn_info%theta_a(ntheta_prev + 1:) = conn_info%theta_a(ntheta_prev + 1:) + natom_prev
     292      134801 :          conn_info%theta_b(ntheta_prev + 1:) = conn_info%theta_b(ntheta_prev + 1:) + natom_prev
     293      134801 :          conn_info%theta_c(ntheta_prev + 1:) = conn_info%theta_c(ntheta_prev + 1:) + natom_prev
     294             :       END IF
     295             :       !
     296             :       ! PHI section
     297             :       !
     298        8318 :       nphi_prev = 0
     299        8318 :       IF (ASSOCIATED(conn_info%phi_a)) nphi_prev = SIZE(conn_info%phi_a)
     300             : 
     301        8318 :       IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| Parsing the NPHI section'
     302        8318 :       IF (iw > 0) WRITE (iw, '(T2,A,I8)') 'PSF_INFO| Previous number of allocated PHI: ', nphi_prev
     303        8318 :       label = '!NPHI'
     304        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     305        8318 :       IF (.NOT. found) THEN
     306           0 :          IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| No NPHI section '
     307           0 :          nphi = 0
     308             :       ELSE
     309        8318 :          CALL parser_get_object(parser, nphi)
     310        8318 :          IF (iw > 0) WRITE (iw, '(T2,A,'//TRIM(c_int)//')') 'PSF_INFO| NPHI = ', nphi
     311             :          !malloc the memory that we need
     312        8318 :          CALL reallocate(conn_info%phi_a, 1, nphi_prev + nphi)
     313        8318 :          CALL reallocate(conn_info%phi_b, 1, nphi_prev + nphi)
     314        8318 :          CALL reallocate(conn_info%phi_c, 1, nphi_prev + nphi)
     315        8318 :          CALL reallocate(conn_info%phi_d, 1, nphi_prev + nphi)
     316             :          !Read in the torsion info
     317        8318 :          IF (psf_type == do_conn_psf_u) THEN
     318       23268 :             DO iphi = 1, nphi, 2
     319       22924 :                CALL parser_get_next_line(parser, 1)
     320       22924 :                index_now = nphi_prev + iphi - 1
     321       45832 :                READ (parser%input_line, FMT=*, ERR=9) (conn_info%phi_a(index_now + i), &
     322       45832 :                                                        conn_info%phi_b(index_now + i), &
     323       45832 :                                                        conn_info%phi_c(index_now + i), &
     324       68756 :                                                        conn_info%phi_d(index_now + i), &
     325       92024 :                                                        i=1, MIN(2, (nphi - iphi + 1)))
     326             :             END DO
     327             :          ELSE
     328        7974 :             DO iphi = 1, nphi, 2
     329       11187 :                CALL parser_get_next_line(parser, 1)
     330       11187 :                index_now = nphi_prev + iphi - 1
     331             :                READ (parser%input_line, FMT='(8'//TRIM(c_int)//')') &
     332       21209 :                   (conn_info%phi_a(index_now + i), &
     333       21209 :                    conn_info%phi_b(index_now + i), &
     334       21209 :                    conn_info%phi_c(index_now + i), &
     335       32396 :                    conn_info%phi_d(index_now + i), &
     336       50059 :                    i=1, MIN(2, (nphi - iphi + 1)))
     337             :             END DO
     338             :          END IF
     339       75359 :          conn_info%phi_a(nphi_prev + 1:) = conn_info%phi_a(nphi_prev + 1:) + natom_prev
     340       75359 :          conn_info%phi_b(nphi_prev + 1:) = conn_info%phi_b(nphi_prev + 1:) + natom_prev
     341       75359 :          conn_info%phi_c(nphi_prev + 1:) = conn_info%phi_c(nphi_prev + 1:) + natom_prev
     342       75359 :          conn_info%phi_d(nphi_prev + 1:) = conn_info%phi_d(nphi_prev + 1:) + natom_prev
     343             :       END IF
     344             :       !
     345             :       ! IMPHI section
     346             :       !
     347        8318 :       nphi_prev = 0
     348        8318 :       IF (ASSOCIATED(conn_info%impr_a)) nphi_prev = SIZE(conn_info%impr_a)
     349             : 
     350        8318 :       IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| Parsing the NIMPHI section'
     351        8318 :       IF (iw > 0) WRITE (iw, '(T2,A,I8)') 'PSF_INFO| Previous number of allocated IMPHI: ', nphi_prev
     352        8318 :       label = '!NIMPHI'
     353        8318 :       CALL parser_search_string(parser, label, .TRUE., found, begin_line=.TRUE.)
     354        8318 :       IF (.NOT. found) THEN
     355           0 :          IF (iw > 0) WRITE (iw, '(T2,A)') 'PSF_INFO| No NIMPHI section '
     356             :          nphi = 0
     357             :       ELSE
     358        8318 :          CALL parser_get_object(parser, nphi)
     359        8318 :          IF (iw > 0) WRITE (iw, '(T2,A,'//TRIM(c_int)//')') 'PSF_INFO| NIMPR = ', nphi
     360             :          !malloc the memory that we need
     361        8318 :          CALL reallocate(conn_info%impr_a, 1, nphi_prev + nphi)
     362        8318 :          CALL reallocate(conn_info%impr_b, 1, nphi_prev + nphi)
     363        8318 :          CALL reallocate(conn_info%impr_c, 1, nphi_prev + nphi)
     364        8318 :          CALL reallocate(conn_info%impr_d, 1, nphi_prev + nphi)
     365             :          !Read in the improper torsion info
     366        8318 :          IF (psf_type == do_conn_psf_u) THEN
     367        1672 :             DO iphi = 1, nphi, 2
     368        1328 :                CALL parser_get_next_line(parser, 1)
     369        1328 :                index_now = nphi_prev + iphi - 1
     370        2654 :                READ (parser%input_line, FMT=*, ERR=9) (conn_info%impr_a(index_now + i), &
     371        2654 :                                                        conn_info%impr_b(index_now + i), &
     372        2654 :                                                        conn_info%impr_c(index_now + i), &
     373        3982 :                                                        conn_info%impr_d(index_now + i), &
     374        5654 :                                                        i=1, MIN(2, (nphi - iphi + 1)))
     375             :             END DO
     376             :          ELSE
     377        7974 :             DO iphi = 1, nphi, 2
     378         430 :                CALL parser_get_next_line(parser, 1)
     379         430 :                index_now = nphi_prev + iphi - 1
     380             :                READ (parser%input_line, FMT='(8'//TRIM(c_int)//')') &
     381         850 :                   (conn_info%impr_a(index_now + i), &
     382         850 :                    conn_info%impr_b(index_now + i), &
     383         850 :                    conn_info%impr_c(index_now + i), &
     384        1280 :                    conn_info%impr_d(index_now + i), &
     385        9644 :                    i=1, MIN(2, (nphi - iphi + 1)))
     386             :             END DO
     387             :          END IF
     388       11822 :          conn_info%impr_a(nphi_prev + 1:) = conn_info%impr_a(nphi_prev + 1:) + natom_prev
     389       11822 :          conn_info%impr_b(nphi_prev + 1:) = conn_info%impr_b(nphi_prev + 1:) + natom_prev
     390       11822 :          conn_info%impr_c(nphi_prev + 1:) = conn_info%impr_c(nphi_prev + 1:) + natom_prev
     391       11822 :          conn_info%impr_d(nphi_prev + 1:) = conn_info%impr_d(nphi_prev + 1:) + natom_prev
     392             :       END IF
     393             : 
     394        8318 :       CALL parser_release(parser)
     395        8318 :       CALL timestop(handle)
     396             :       CALL cp_print_key_finished_output(iw, logger, subsys_section, &
     397        8318 :                                         "PRINT%TOPOLOGY_INFO/PSF_INFO")
     398        8318 :       RETURN
     399             : 9     CONTINUE
     400             :       ! Print error and exit
     401           0 :       IF (output_unit > 0) THEN
     402             :          WRITE (output_unit, '(T2,A)') &
     403           0 :             "PSF_INFO| Error while reading PSF using the unformatted PSF reading option!", &
     404           0 :             "PSF_INFO| Try using PSF instead of UPSF."
     405             :       END IF
     406             : 
     407           0 :       CPABORT("Error while reading PSF data!")
     408             : 
     409       24954 :    END SUBROUTINE read_topology_psf
     410             : 
     411             : ! **************************************************************************************************
     412             : !> \brief Post processing of PSF informations
     413             : !> \param topology ...
     414             : !> \param subsys_section ...
     415             : ! **************************************************************************************************
     416         781 :    SUBROUTINE psf_post_process(topology, subsys_section)
     417             :       TYPE(topology_parameters_type), INTENT(INOUT)      :: topology
     418             :       TYPE(section_vals_type), POINTER                   :: subsys_section
     419             : 
     420             :       CHARACTER(len=*), PARAMETER                        :: routineN = 'psf_post_process'
     421             : 
     422             :       INTEGER                                            :: handle, i, iatom, ibond, ionfo, iw, &
     423             :                                                             jatom, N, natom, nbond, nonfo, nphi, &
     424             :                                                             ntheta
     425         781 :       TYPE(array1_list_type), DIMENSION(:), POINTER      :: ex_bend_list, ex_bond_list
     426             :       TYPE(atom_info_type), POINTER                      :: atom_info
     427             :       TYPE(connectivity_info_type), POINTER              :: conn_info
     428             :       TYPE(cp_logger_type), POINTER                      :: logger
     429             : 
     430         781 :       NULLIFY (logger)
     431        1562 :       logger => cp_get_default_logger()
     432             :       iw = cp_print_key_unit_nr(logger, subsys_section, "PRINT%TOPOLOGY_INFO/PSF_INFO", &
     433         781 :                                 extension=".subsysLog")
     434         781 :       CALL timeset(routineN, handle)
     435         781 :       atom_info => topology%atom_info
     436         781 :       conn_info => topology%conn_info
     437             :       !
     438             :       ! PARA_RES structure
     439             :       !
     440         781 :       natom = 0
     441         781 :       nbond = 0
     442         781 :       i = 0
     443         781 :       IF (ASSOCIATED(atom_info%id_molname)) natom = SIZE(atom_info%id_molname)
     444         781 :       IF (ASSOCIATED(conn_info%bond_a)) nbond = SIZE(conn_info%bond_a)
     445         781 :       IF (ASSOCIATED(conn_info%c_bond_a)) i = SIZE(conn_info%c_bond_a)
     446      386344 :       DO ibond = 1, nbond
     447      385563 :          iatom = conn_info%bond_a(ibond)
     448      385563 :          jatom = conn_info%bond_b(ibond)
     449      386344 :          IF (topology%para_res) THEN
     450             :             IF ((atom_info%id_molname(iatom) /= atom_info%id_molname(jatom)) .OR. &
     451      385435 :                 (atom_info%resid(iatom) /= atom_info%resid(jatom)) .OR. &
     452             :                 (atom_info%id_resname(iatom) /= atom_info%id_resname(jatom))) THEN
     453        2397 :                IF (iw > 0) WRITE (iw, '(T2,A,2I6)') "PSF_INFO| PARA_RES, bond between molecules atom ", &
     454         306 :                   iatom, jatom
     455        2244 :                i = i + 1
     456        2244 :                CALL reallocate(conn_info%c_bond_a, 1, i)
     457        2244 :                CALL reallocate(conn_info%c_bond_b, 1, i)
     458        2244 :                conn_info%c_bond_a(i) = iatom
     459        2244 :                conn_info%c_bond_b(i) = jatom
     460             :             END IF
     461             :          ELSE
     462         128 :             IF (atom_info%id_molname(iatom) /= atom_info%id_molname(jatom)) THEN
     463           0 :                CPABORT("")
     464             :             END IF
     465             :          END IF
     466             :       END DO
     467             :       !
     468             :       ! UB structure
     469             :       !
     470         781 :       ntheta = 0
     471         781 :       IF (ASSOCIATED(conn_info%theta_a)) ntheta = SIZE(conn_info%theta_a)
     472         781 :       CALL reallocate(conn_info%ub_a, 1, ntheta)
     473         781 :       CALL reallocate(conn_info%ub_b, 1, ntheta)
     474         781 :       CALL reallocate(conn_info%ub_c, 1, ntheta)
     475      173284 :       conn_info%ub_a(:) = conn_info%theta_a(:)
     476      173284 :       conn_info%ub_b(:) = conn_info%theta_b(:)
     477      173284 :       conn_info%ub_c(:) = conn_info%theta_c(:)
     478             :       !
     479             :       ! ONFO structure
     480             :       !
     481         781 :       nphi = 0
     482         781 :       nonfo = 0
     483         781 :       IF (ASSOCIATED(conn_info%phi_a)) nphi = SIZE(conn_info%phi_a)
     484         781 :       CALL reallocate(conn_info%onfo_a, 1, nphi)
     485         781 :       CALL reallocate(conn_info%onfo_b, 1, nphi)
     486      105500 :       conn_info%onfo_a(1:) = conn_info%phi_a(1:)
     487      105500 :       conn_info%onfo_b(1:) = conn_info%phi_d(1:)
     488             :       ! Reorder bonds
     489      452492 :       ALLOCATE (ex_bond_list(natom))
     490      450930 :       DO I = 1, natom
     491      450930 :          ALLOCATE (ex_bond_list(I)%array1(0))
     492             :       END DO
     493         781 :       N = 0
     494         781 :       IF (ASSOCIATED(conn_info%bond_a)) N = SIZE(conn_info%bond_a)
     495         781 :       CALL reorder_structure(ex_bond_list, conn_info%bond_a, conn_info%bond_b, N)
     496             :       ! Reorder bends
     497      452492 :       ALLOCATE (ex_bend_list(natom))
     498      450930 :       DO I = 1, natom
     499      450930 :          ALLOCATE (ex_bend_list(I)%array1(0))
     500             :       END DO
     501         781 :       N = 0
     502         781 :       IF (ASSOCIATED(conn_info%theta_a)) N = SIZE(conn_info%theta_a)
     503         781 :       CALL reorder_structure(ex_bend_list, conn_info%theta_a, conn_info%theta_c, N)
     504      105500 :       DO ionfo = 1, nphi
     505             :          ! Check if the torsion is not shared between angles or bonds
     506      742483 :          IF (ANY(ex_bond_list(conn_info%onfo_a(ionfo))%array1 == conn_info%onfo_b(ionfo)) .OR. &
     507             :              ANY(ex_bend_list(conn_info%onfo_a(ionfo))%array1 == conn_info%onfo_b(ionfo))) CYCLE
     508       99201 :          nonfo = nonfo + 1
     509       99201 :          conn_info%onfo_a(nonfo) = conn_info%onfo_a(ionfo)
     510      105500 :          conn_info%onfo_b(nonfo) = conn_info%onfo_b(ionfo)
     511             :       END DO
     512             :       ! deallocate bends
     513      450930 :       DO I = 1, natom
     514      450930 :          DEALLOCATE (ex_bend_list(I)%array1)
     515             :       END DO
     516         781 :       DEALLOCATE (ex_bend_list)
     517             :       ! deallocate bonds
     518      450930 :       DO I = 1, natom
     519      450930 :          DEALLOCATE (ex_bond_list(I)%array1)
     520             :       END DO
     521         781 :       DEALLOCATE (ex_bond_list)
     522             :       ! Get unique onfo
     523      452492 :       ALLOCATE (ex_bond_list(natom))
     524      450930 :       DO I = 1, natom
     525      450930 :          ALLOCATE (ex_bond_list(I)%array1(0))
     526             :       END DO
     527         781 :       N = 0
     528         781 :       IF (ASSOCIATED(conn_info%onfo_a)) N = nonfo
     529         781 :       CALL reorder_structure(ex_bond_list, conn_info%onfo_a, conn_info%onfo_b, N)
     530         781 :       nonfo = 0
     531      450930 :       DO I = 1, natom
     532      649332 :          DO ionfo = 1, SIZE(ex_bond_list(I)%array1)
     533     1759707 :             IF (COUNT(ex_bond_list(I)%array1 == ex_bond_list(I)%array1(ionfo)) /= 1) THEN
     534        3240 :                ex_bond_list(I)%array1(ionfo) = 0
     535             :             ELSE
     536      195162 :                IF (ex_bond_list(I)%array1(ionfo) <= I) CYCLE
     537       97581 :                nonfo = nonfo + 1
     538       97581 :                conn_info%onfo_a(nonfo) = I
     539       97581 :                conn_info%onfo_b(nonfo) = ex_bond_list(I)%array1(ionfo)
     540             :             END IF
     541             :          END DO
     542             :       END DO
     543      450930 :       DO I = 1, natom
     544      450930 :          DEALLOCATE (ex_bond_list(I)%array1)
     545             :       END DO
     546         781 :       DEALLOCATE (ex_bond_list)
     547         781 :       CALL reallocate(conn_info%onfo_a, 1, nonfo)
     548         781 :       CALL reallocate(conn_info%onfo_b, 1, nonfo)
     549             : 
     550         781 :       CALL timestop(handle)
     551             :       CALL cp_print_key_finished_output(iw, logger, subsys_section, &
     552         781 :                                         "PRINT%TOPOLOGY_INFO/PSF_INFO")
     553        1562 :    END SUBROUTINE psf_post_process
     554             : 
     555             : ! **************************************************************************************************
     556             : !> \brief Input driven modification (IDM) of PSF defined structures
     557             : !> \param topology ...
     558             : !> \param section ...
     559             : !> \param subsys_section ...
     560             : !> \author Teodoro Laino - Zurich University 04.2007
     561             : ! **************************************************************************************************
     562         819 :    SUBROUTINE idm_psf(topology, section, subsys_section)
     563             :       TYPE(topology_parameters_type), INTENT(INOUT)      :: topology
     564             :       TYPE(section_vals_type), POINTER                   :: section, subsys_section
     565             : 
     566             :       CHARACTER(len=*), PARAMETER                        :: routineN = 'idm_psf'
     567             : 
     568             :       INTEGER                                            :: handle, i, iend, iend1, istart, istart1, &
     569             :                                                             item, iw, j, mol_id, n_rep, natom, &
     570             :                                                             nbond, nimpr, noe, nphi, ntheta
     571         273 :       INTEGER, DIMENSION(:), POINTER                     :: tag_mols, tmp, wrk
     572             :       LOGICAL                                            :: explicit
     573         273 :       TYPE(array1_list_type), DIMENSION(:), POINTER      :: ex_bond_list
     574             :       TYPE(atom_info_type), POINTER                      :: atom_info
     575             :       TYPE(connectivity_info_type), POINTER              :: conn_info
     576             :       TYPE(cp_logger_type), POINTER                      :: logger
     577             :       TYPE(section_vals_type), POINTER                   :: subsection
     578             : 
     579         273 :       NULLIFY (logger)
     580         546 :       logger => cp_get_default_logger()
     581             :       iw = cp_print_key_unit_nr(logger, subsys_section, "PRINT%TOPOLOGY_INFO/PSF_INFO", &
     582         273 :                                 extension=".subsysLog")
     583         273 :       CALL timeset(routineN, handle)
     584         273 :       CALL section_vals_get(section, explicit=explicit)
     585         273 :       IF (explicit) THEN
     586           2 :          atom_info => topology%atom_info
     587           2 :          conn_info => topology%conn_info
     588           2 :          natom = 0
     589           2 :          IF (ASSOCIATED(atom_info%id_molname)) natom = SIZE(atom_info%id_molname)
     590           2 :          nbond = 0
     591           2 :          IF (ASSOCIATED(conn_info%bond_a)) nbond = SIZE(conn_info%bond_a)
     592           2 :          ntheta = 0
     593           2 :          IF (ASSOCIATED(conn_info%theta_a)) ntheta = SIZE(conn_info%theta_a)
     594           2 :          nphi = 0
     595           2 :          IF (ASSOCIATED(conn_info%phi_a)) nphi = SIZE(conn_info%phi_a)
     596           2 :          nimpr = 0
     597           2 :          IF (ASSOCIATED(conn_info%impr_a)) nimpr = SIZE(conn_info%impr_a)
     598             :          ! Any new defined bond
     599           2 :          subsection => section_vals_get_subs_vals(section, "BONDS")
     600           2 :          CALL section_vals_get(subsection, explicit=explicit)
     601           2 :          IF (explicit) THEN
     602           2 :             CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", n_rep_val=n_rep)
     603           2 :             CALL reallocate(conn_info%bond_a, 1, n_rep + nbond)
     604           2 :             CALL reallocate(conn_info%bond_b, 1, n_rep + nbond)
     605           8 :             DO i = 1, n_rep
     606           6 :                CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", i_rep_val=i, i_vals=tmp)
     607           6 :                conn_info%bond_a(nbond + i) = tmp(1)
     608           8 :                conn_info%bond_b(nbond + i) = tmp(2)
     609             :             END DO
     610             :             ! And now modify the molecule name if two molecules have been bridged
     611        6712 :             ALLOCATE (ex_bond_list(natom))
     612           6 :             ALLOCATE (tag_mols(natom))
     613           6 :             ALLOCATE (wrk(natom))
     614        6708 :             DO j = 1, natom
     615        6708 :                ALLOCATE (ex_bond_list(j)%array1(0))
     616             :             END DO
     617           2 :             CALL reorder_structure(ex_bond_list, conn_info%bond_a, conn_info%bond_b, nbond + n_rep)
     618             :             ! Loop over atoms to possiblyt change molecule name
     619        6708 :             tag_mols = -1
     620           2 :             mol_id = 1
     621        6708 :             DO i = 1, natom
     622        6706 :                IF (tag_mols(i) /= -1) CYCLE
     623        1110 :                CALL tag_molecule(tag_mols, ex_bond_list, i, mol_id)
     624        6708 :                mol_id = mol_id + 1
     625             :             END DO
     626           2 :             mol_id = mol_id - 1
     627           2 :             IF (iw > 0) WRITE (iw, '(T2,A,I8)') 'PSF_INFO| Number of molecules detected after merging: ', mol_id
     628             :             ! Now simply check about the contiguousness of molecule definition
     629           2 :             CALL sort(tag_mols, natom, wrk)
     630           2 :             item = tag_mols(1)
     631           2 :             istart = 1
     632        6706 :             DO i = 2, natom
     633        6704 :                IF (tag_mols(i) == item) CYCLE
     634        1108 :                iend = i - 1
     635        1108 :                noe = iend - istart + 1
     636        7802 :                istart1 = MINVAL(wrk(istart:iend))
     637        7802 :                iend1 = MAXVAL(wrk(istart:iend))
     638        1108 :                CPASSERT(iend1 - istart1 + 1 == noe)
     639        7802 :                atom_info%id_molname(istart1:iend1) = str2id(s2s("MOL"//cp_to_string(item)))
     640        1108 :                item = tag_mols(i)
     641        6706 :                istart = i
     642             :             END DO
     643           2 :             iend = i - 1
     644           2 :             noe = iend - istart + 1
     645          14 :             istart1 = MINVAL(wrk(istart:iend))
     646          14 :             iend1 = MAXVAL(wrk(istart:iend))
     647           2 :             CPASSERT(iend1 - istart1 + 1 == noe)
     648          14 :             atom_info%id_molname(istart1:iend1) = str2id(s2s("MOL"//cp_to_string(item)))
     649             :             ! Deallocate bonds
     650        6708 :             DO i = 1, natom
     651        6708 :                DEALLOCATE (ex_bond_list(i)%array1)
     652             :             END DO
     653           2 :             DEALLOCATE (ex_bond_list)
     654           2 :             DEALLOCATE (tag_mols)
     655           4 :             DEALLOCATE (wrk)
     656             :          END IF
     657             :          ! Any new defined angle
     658           2 :          subsection => section_vals_get_subs_vals(section, "ANGLES")
     659           2 :          CALL section_vals_get(subsection, explicit=explicit)
     660           2 :          IF (explicit) THEN
     661           2 :             CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", n_rep_val=n_rep)
     662           2 :             CALL reallocate(conn_info%theta_a, 1, n_rep + ntheta)
     663           2 :             CALL reallocate(conn_info%theta_b, 1, n_rep + ntheta)
     664           2 :             CALL reallocate(conn_info%theta_c, 1, n_rep + ntheta)
     665          26 :             DO i = 1, n_rep
     666          24 :                CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", i_rep_val=i, i_vals=tmp)
     667          24 :                conn_info%theta_a(ntheta + i) = tmp(1)
     668          24 :                conn_info%theta_b(ntheta + i) = tmp(2)
     669          26 :                conn_info%theta_c(ntheta + i) = tmp(3)
     670             :             END DO
     671             :          END IF
     672             :          ! Any new defined torsion
     673           2 :          subsection => section_vals_get_subs_vals(section, "TORSIONS")
     674           2 :          CALL section_vals_get(subsection, explicit=explicit)
     675           2 :          IF (explicit) THEN
     676           2 :             CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", n_rep_val=n_rep)
     677           2 :             CALL reallocate(conn_info%phi_a, 1, n_rep + nphi)
     678           2 :             CALL reallocate(conn_info%phi_b, 1, n_rep + nphi)
     679           2 :             CALL reallocate(conn_info%phi_c, 1, n_rep + nphi)
     680           2 :             CALL reallocate(conn_info%phi_d, 1, n_rep + nphi)
     681          74 :             DO i = 1, n_rep
     682          72 :                CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", i_rep_val=i, i_vals=tmp)
     683          72 :                conn_info%phi_a(nphi + i) = tmp(1)
     684          72 :                conn_info%phi_b(nphi + i) = tmp(2)
     685          72 :                conn_info%phi_c(nphi + i) = tmp(3)
     686          74 :                conn_info%phi_d(nphi + i) = tmp(4)
     687             :             END DO
     688             :          END IF
     689             :          ! Any new defined improper
     690           2 :          subsection => section_vals_get_subs_vals(section, "IMPROPERS")
     691           2 :          CALL section_vals_get(subsection, explicit=explicit)
     692           2 :          IF (explicit) THEN
     693           0 :             CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", n_rep_val=n_rep)
     694           0 :             CALL reallocate(conn_info%impr_a, 1, n_rep + nimpr)
     695           0 :             CALL reallocate(conn_info%impr_b, 1, n_rep + nimpr)
     696           0 :             CALL reallocate(conn_info%impr_c, 1, n_rep + nimpr)
     697           0 :             CALL reallocate(conn_info%impr_d, 1, n_rep + nimpr)
     698           0 :             DO i = 1, n_rep
     699           0 :                CALL section_vals_val_get(subsection, "_DEFAULT_KEYWORD_", i_rep_val=i, i_vals=tmp)
     700           0 :                conn_info%impr_a(nimpr + i) = tmp(1)
     701           0 :                conn_info%impr_b(nimpr + i) = tmp(2)
     702           0 :                conn_info%impr_c(nimpr + i) = tmp(3)
     703           0 :                conn_info%impr_d(nimpr + i) = tmp(4)
     704             :             END DO
     705             :          END IF
     706             :       END IF
     707         273 :       CALL timestop(handle)
     708             :       CALL cp_print_key_finished_output(iw, logger, subsys_section, &
     709         273 :                                         "PRINT%TOPOLOGY_INFO/PSF_INFO")
     710             : 
     711         273 :    END SUBROUTINE idm_psf
     712             : 
     713             : ! **************************************************************************************************
     714             : !> \brief Teodoro Laino - 01.2006
     715             : !>      Write PSF topology file in the CHARMM31 EXT standard format
     716             : !> \param file_unit ...
     717             : !> \param topology ...
     718             : !> \param subsys_section ...
     719             : !> \param force_env_section ...
     720             : ! **************************************************************************************************
     721          55 :    SUBROUTINE write_topology_psf(file_unit, topology, subsys_section, force_env_section)
     722             :       INTEGER, INTENT(IN)                                :: file_unit
     723             :       TYPE(topology_parameters_type), INTENT(INOUT)      :: topology
     724             :       TYPE(section_vals_type), POINTER                   :: subsys_section, force_env_section
     725             : 
     726             :       CHARACTER(len=*), PARAMETER :: routineN = 'write_topology_psf'
     727             : 
     728             :       CHARACTER(LEN=2*default_string_length)             :: psf_format
     729             :       CHARACTER(LEN=default_string_length)               :: c_int, my_tag1, my_tag2, my_tag3, record
     730             :       CHARACTER(LEN=default_string_length), &
     731          55 :          DIMENSION(:), POINTER                           :: charge_atm
     732             :       INTEGER                                            :: handle, i, iw, j, my_index, nchg
     733             :       LOGICAL                                            :: explicit, ldum
     734          55 :       REAL(KIND=dp), DIMENSION(:), POINTER               :: charge_inp, charges
     735             :       TYPE(atom_info_type), POINTER                      :: atom_info
     736             :       TYPE(connectivity_info_type), POINTER              :: conn_info
     737             :       TYPE(cp_logger_type), POINTER                      :: logger
     738             :       TYPE(section_vals_type), POINTER                   :: print_key, tmp_section
     739             : 
     740          55 :       NULLIFY (logger)
     741         110 :       logger => cp_get_default_logger()
     742          55 :       print_key => section_vals_get_subs_vals(subsys_section, "TOPOLOGY%DUMP_PSF")
     743             :       iw = cp_print_key_unit_nr(logger, subsys_section, "PRINT%TOPOLOGY_INFO/PSF_INFO", &
     744          55 :                                 extension=".subsysLog")
     745          55 :       CALL timeset(routineN, handle)
     746             : 
     747          55 :       atom_info => topology%atom_info
     748          55 :       conn_info => topology%conn_info
     749             : 
     750             :       ! Check for charges.. (need to dump them in the PSF..)
     751         165 :       ALLOCATE (charges(topology%natoms))
     752       57851 :       charges = atom_info%atm_charge
     753             :       ! Collect charges from Input file..
     754          55 :       NULLIFY (tmp_section)
     755          55 :       tmp_section => section_vals_get_subs_vals(force_env_section, "MM%FORCEFIELD%CHARGE")
     756          55 :       CALL section_vals_get(tmp_section, explicit=explicit, n_repetition=nchg)
     757          55 :       IF (explicit) THEN
     758          63 :          ALLOCATE (charge_atm(nchg))
     759          63 :          ALLOCATE (charge_inp(nchg))
     760          21 :          CALL read_chrg_section(charge_atm, charge_inp, section=tmp_section, start=0)
     761        3672 :          DO j = 1, topology%natoms
     762        3651 :             record = id2str(atom_info%id_atmname(j))
     763        3651 :             ldum = qmmm_ff_precond_only_qm(record)
     764        3651 :             CALL uppercase(record)
     765        8882 :             DO i = 1, nchg
     766        8861 :                IF (record == charge_atm(i)) THEN
     767        3651 :                   charges(j) = charge_inp(i)
     768        3651 :                   EXIT
     769             :                END IF
     770             :             END DO
     771             :          END DO
     772          21 :          DEALLOCATE (charge_atm)
     773          21 :          DEALLOCATE (charge_inp)
     774             :       END IF
     775             :       ! fixup for topology output
     776       28953 :       DO j = 1, topology%natoms
     777       28953 :          IF (charges(j) .EQ. -HUGE(0.0_dp)) charges(j) = -99.0_dp
     778             :       END DO
     779             :       record = cp_print_key_generate_filename(logger, print_key, &
     780          55 :                                               extension=".psf", my_local=.FALSE.)
     781             :       ! build the EXT format
     782          55 :       c_int = "I10"
     783          55 :       psf_format = '(I10,T12,A,T21,I0,T30,A,T39,A,T47,A,T53,F10.6,T69,F8.3,T88,I1)'
     784          55 :       IF (iw > 0) WRITE (iw, '(T2,A)') &
     785           0 :          "PSF_WRITE| Writing out PSF file with CHARMM31 EXTErnal format: ", TRIM(record)
     786             : 
     787          55 :       WRITE (file_unit, FMT='(A)') "PSF EXT"
     788          55 :       WRITE (file_unit, FMT='(A)') ""
     789          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') 1, " !NTITLE"
     790          55 :       WRITE (file_unit, FMT='(A)') "   CP2K generated DUMP of connectivity"
     791          55 :       WRITE (file_unit, FMT='(A)') ""
     792             : 
     793          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') topology%natoms, " !NATOM"
     794          55 :       my_index = 1
     795          55 :       i = 1
     796          55 :       my_tag1 = id2str(atom_info%id_molname(i))
     797          55 :       my_tag2 = id2str(atom_info%id_resname(i))
     798          55 :       my_tag3 = id2str(atom_info%id_atmname(i))
     799          55 :       ldum = qmmm_ff_precond_only_qm(my_tag1)
     800          55 :       ldum = qmmm_ff_precond_only_qm(my_tag2)
     801          55 :       ldum = qmmm_ff_precond_only_qm(my_tag3)
     802             :       WRITE (file_unit, FMT=psf_format) &
     803          55 :          i, &
     804          55 :          TRIM(my_tag1), &
     805          55 :          my_index, &
     806          55 :          TRIM(my_tag2), &
     807          55 :          TRIM(my_tag3), &
     808          55 :          TRIM(my_tag3), &
     809          55 :          charges(i), &
     810          55 :          atom_info%atm_mass(i), &
     811         110 :          0
     812       28898 :       DO i = 2, topology%natoms
     813       28843 :          IF ((atom_info%map_mol_num(i) /= atom_info%map_mol_num(i - 1)) .OR. &
     814        8107 :              (atom_info%map_mol_res(i) /= atom_info%map_mol_res(i - 1))) my_index = my_index + 1
     815       28843 :          my_tag1 = id2str(atom_info%id_molname(i))
     816       28843 :          my_tag2 = id2str(atom_info%id_resname(i))
     817       28843 :          my_tag3 = id2str(atom_info%id_atmname(i))
     818       28843 :          ldum = qmmm_ff_precond_only_qm(my_tag1)
     819       28843 :          ldum = qmmm_ff_precond_only_qm(my_tag2)
     820       28843 :          ldum = qmmm_ff_precond_only_qm(my_tag3)
     821             :          WRITE (file_unit, FMT=psf_format) &
     822       28843 :             i, &
     823       28843 :             TRIM(my_tag1), &
     824       28843 :             my_index, &
     825       28843 :             TRIM(my_tag2), &
     826       28843 :             TRIM(my_tag3), &
     827       28843 :             TRIM(my_tag3), &
     828       28843 :             charges(i), &
     829       28843 :             atom_info%atm_mass(i), &
     830       57741 :             0
     831             :       END DO
     832          55 :       WRITE (file_unit, FMT='(/)')
     833          55 :       DEALLOCATE (charges)
     834             : 
     835          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') SIZE(conn_info%bond_a), " !NBOND"
     836        5250 :       DO i = 1, SIZE(conn_info%bond_a), 4
     837        5195 :          j = 0
     838       25927 :          DO WHILE ((j < 4) .AND. ((i + j) <= SIZE(conn_info%bond_a)))
     839             :             WRITE (file_unit, FMT='(2('//TRIM(c_int)//'))', ADVANCE="NO") &
     840       20732 :                conn_info%bond_a(i + j), conn_info%bond_b(i + j)
     841       20754 :             j = j + 1
     842             :          END DO
     843        5250 :          WRITE (file_unit, FMT='(/)', ADVANCE="NO")
     844             :       END DO
     845          55 :       WRITE (file_unit, FMT='(/)')
     846             : 
     847          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') SIZE(conn_info%theta_a), " !NTHETA"
     848        5503 :       DO i = 1, SIZE(conn_info%theta_a), 3
     849        5448 :          j = 0
     850       21757 :          DO WHILE ((j < 3) .AND. ((i + j) <= SIZE(conn_info%theta_a)))
     851             :             WRITE (file_unit, FMT='(3('//TRIM(c_int)//'))', ADVANCE="NO") &
     852       16309 :                conn_info%theta_a(i + j), conn_info%theta_b(i + j), &
     853       32618 :                conn_info%theta_c(i + j)
     854       16333 :             j = j + 1
     855             :          END DO
     856        5503 :          WRITE (file_unit, FMT='(/)', ADVANCE="NO")
     857             :       END DO
     858          55 :       WRITE (file_unit, FMT='(/)')
     859             : 
     860          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') SIZE(conn_info%phi_a), " !NPHI"
     861        4991 :       DO i = 1, SIZE(conn_info%phi_a), 2
     862        4936 :          j = 0
     863       14796 :          DO WHILE ((j < 2) .AND. ((i + j) <= SIZE(conn_info%phi_a)))
     864             :             WRITE (file_unit, FMT='(4('//TRIM(c_int)//'))', ADVANCE="NO") &
     865        9860 :                conn_info%phi_a(i + j), conn_info%phi_b(i + j), &
     866       19720 :                conn_info%phi_c(i + j), conn_info%phi_d(i + j)
     867        9872 :             j = j + 1
     868             :          END DO
     869        4991 :          WRITE (file_unit, FMT='(/)', ADVANCE="NO")
     870             :       END DO
     871          55 :       WRITE (file_unit, FMT='(/)')
     872             : 
     873          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') SIZE(conn_info%impr_a), " !NIMPHI"
     874         363 :       DO i = 1, SIZE(conn_info%impr_a), 2
     875         308 :          j = 0
     876         920 :          DO WHILE ((j < 2) .AND. ((i + j) <= SIZE(conn_info%impr_a)))
     877             :             WRITE (file_unit, FMT='(4('//TRIM(c_int)//'))', ADVANCE="NO") &
     878         612 :                conn_info%impr_a(i + j), conn_info%impr_b(i + j), &
     879        1224 :                conn_info%impr_c(i + j), conn_info%impr_d(i + j)
     880         616 :             j = j + 1
     881             :          END DO
     882         363 :          WRITE (file_unit, FMT='(/)', ADVANCE="NO")
     883             :       END DO
     884          55 :       WRITE (file_unit, FMT='(/)')
     885             : 
     886          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') 0, " !NDON"
     887          55 :       WRITE (file_unit, FMT='(/)')
     888          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') 0, " !NACC"
     889          55 :       WRITE (file_unit, FMT='(/)')
     890          55 :       WRITE (file_unit, FMT='('//TRIM(c_int)//',A)') 0, " !NNB"
     891          55 :       WRITE (file_unit, FMT='(/)')
     892             : 
     893             :       CALL cp_print_key_finished_output(iw, logger, subsys_section, &
     894          55 :                                         "PRINT%TOPOLOGY_INFO/PSF_INFO")
     895          55 :       CALL timestop(handle)
     896             : 
     897         165 :    END SUBROUTINE write_topology_psf
     898             : 
     899             : END MODULE topology_psf
     900             : 

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