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Comparing trunk/OOPSE-4/src/UseTheForce/doForces.F90 (file contents):
Revision 2268 by gezelter, Fri Jul 29 19:38:27 2005 UTC vs.
Revision 2342 by chrisfen, Tue Oct 4 19:32:58 2005 UTC

# Line 45 | Line 45
45  
46   !! @author Charles F. Vardeman II
47   !! @author Matthew Meineke
48 < !! @version $Id: doForces.F90,v 1.26 2005-07-29 19:38:27 gezelter Exp $, $Date: 2005-07-29 19:38:27 $, $Name: not supported by cvs2svn $, $Revision: 1.26 $
48 > !! @version $Id: doForces.F90,v 1.50 2005-10-04 19:32:58 chrisfen Exp $, $Date: 2005-10-04 19:32:58 $, $Name: not supported by cvs2svn $, $Revision: 1.50 $
49  
50  
51   module doForces
# Line 58 | Line 58 | module doForces
58    use lj
59    use sticky
60    use electrostatic_module
61 <  use reaction_field
61 >  use reaction_field_module
62    use gb_pair
63    use shapes
64    use vector_class
# Line 73 | Line 73 | module doForces
73  
74   #define __FORTRAN90
75   #include "UseTheForce/fSwitchingFunction.h"
76 + #include "UseTheForce/fCutoffPolicy.h"
77   #include "UseTheForce/DarkSide/fInteractionMap.h"
78 + #include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h"
79  
80 +
81    INTEGER, PARAMETER:: PREPAIR_LOOP = 1
82    INTEGER, PARAMETER:: PAIR_LOOP    = 2
83  
81  logical, save :: haveRlist = .false.
84    logical, save :: haveNeighborList = .false.
85    logical, save :: haveSIMvariables = .false.
86    logical, save :: haveSaneForceField = .false.
87 <  logical, save :: haveInteractionMap = .false.
87 >  logical, save :: haveInteractionHash = .false.
88 >  logical, save :: haveGtypeCutoffMap = .false.
89 >  logical, save :: haveDefaultCutoffs = .false.
90 >  logical, save :: haveRlist = .false.
91  
92    logical, save :: FF_uses_DirectionalAtoms
88  logical, save :: FF_uses_LennardJones
89  logical, save :: FF_uses_Electrostatics
90  logical, save :: FF_uses_Charges
93    logical, save :: FF_uses_Dipoles
92  logical, save :: FF_uses_Quadrupoles
93  logical, save :: FF_uses_Sticky
94  logical, save :: FF_uses_StickyPower
94    logical, save :: FF_uses_GayBerne
95    logical, save :: FF_uses_EAM
97  logical, save :: FF_uses_Shapes
98  logical, save :: FF_uses_FLARB
99  logical, save :: FF_uses_RF
96  
97    logical, save :: SIM_uses_DirectionalAtoms
102  logical, save :: SIM_uses_LennardJones
103  logical, save :: SIM_uses_Electrostatics
104  logical, save :: SIM_uses_Charges
105  logical, save :: SIM_uses_Dipoles
106  logical, save :: SIM_uses_Quadrupoles
107  logical, save :: SIM_uses_Sticky
108  logical, save :: SIM_uses_StickyPower
109  logical, save :: SIM_uses_GayBerne
98    logical, save :: SIM_uses_EAM
111  logical, save :: SIM_uses_Shapes
112  logical, save :: SIM_uses_FLARB
113  logical, save :: SIM_uses_RF
99    logical, save :: SIM_requires_postpair_calc
100    logical, save :: SIM_requires_prepair_calc
101    logical, save :: SIM_uses_PBC
117  logical, save :: SIM_uses_molecular_cutoffs
102  
103 <  !!!GO AWAY---------
120 <  !!!!!real(kind=dp), save :: rlist, rlistsq
103 >  integer, save :: electrostaticSummationMethod
104  
105    public :: init_FF
106 +  public :: setDefaultCutoffs
107    public :: do_force_loop
108 < !  public :: setRlistDF
109 <  !public :: addInteraction
110 <  !public :: setInteractionHash
111 <  !public :: getInteractionHash
112 <  public :: createInteractionMap
113 <  public :: createRcuts
108 >  public :: createInteractionHash
109 >  public :: createGtypeCutoffMap
110 >  public :: getStickyCut
111 >  public :: getStickyPowerCut
112 >  public :: getGayBerneCut
113 >  public :: getEAMCut
114 >  public :: getShapeCut
115  
116   #ifdef PROFILE
117    public :: getforcetime
# Line 134 | Line 119 | module doForces
119    real :: forceTimeInitial, forceTimeFinal
120    integer :: nLoops
121   #endif
137
138  type, public :: Interaction
139     integer :: InteractionHash
140     real(kind=dp) :: rCut = 0.0_dp
141     real(kind=dp) :: rCutSq = 0.0_dp    
142     real(kind=dp) :: rListSq = 0.0_dp
143  end type Interaction
122    
123 <  type(Interaction), dimension(:,:),allocatable :: InteractionMap
124 <  
123 >  !! Variables for cutoff mapping and interaction mapping
124 >  ! Bit hash to determine pair-pair interactions.
125 >  integer, dimension(:,:), allocatable :: InteractionHash
126 >  real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
127 >  real(kind=dp), dimension(:), allocatable :: groupMaxCutoff
128 >  integer, dimension(:), allocatable :: groupToGtype
129 >  real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff
130 >  type ::gtypeCutoffs
131 >     real(kind=dp) :: rcut
132 >     real(kind=dp) :: rcutsq
133 >     real(kind=dp) :: rlistsq
134 >  end type gtypeCutoffs
135 >  type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap
136  
137 +  integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY
138 +  real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist
139 +  real(kind=dp),save :: listSkin
140    
141   contains
142  
143 <
152 <  subroutine createInteractionMap(status)
143 >  subroutine createInteractionHash(status)
144      integer :: nAtypes
145      integer, intent(out) :: status
146      integer :: i
147      integer :: j
148 <    integer :: ihash
158 <    real(kind=dp) :: myRcut
148 >    integer :: iHash
149      !! Test Types
150      logical :: i_is_LJ
151      logical :: i_is_Elect
# Line 171 | Line 161 | contains
161      logical :: j_is_GB
162      logical :: j_is_EAM
163      logical :: j_is_Shape
164 <    
164 >    real(kind=dp) :: myRcut
165 >
166      status = 0  
167  
168      if (.not. associated(atypes)) then
169 <       call handleError("atype", "atypes was not present before call of createDefaultInteractionMap!")
169 >       call handleError("atype", "atypes was not present before call of createInteractionHash!")
170         status = -1
171         return
172      endif
# Line 187 | Line 178 | contains
178         return
179      end if
180  
181 <    if (.not. allocated(InteractionMap)) then
182 <       allocate(InteractionMap(nAtypes,nAtypes))
181 >    if (.not. allocated(InteractionHash)) then
182 >       allocate(InteractionHash(nAtypes,nAtypes))
183      endif
184 +
185 +    if (.not. allocated(atypeMaxCutoff)) then
186 +       allocate(atypeMaxCutoff(nAtypes))
187 +    endif
188          
189      do i = 1, nAtypes
190         call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
# Line 242 | Line 237 | contains
237            if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
238  
239  
240 <          InteractionMap(i,j)%InteractionHash = iHash
241 <          InteractionMap(j,i)%InteractionHash = iHash
240 >          InteractionHash(i,j) = iHash
241 >          InteractionHash(j,i) = iHash
242  
243         end do
244  
245      end do
246  
247 <    haveInteractionMap = .true.
248 <  end subroutine createInteractionMap
247 >    haveInteractionHash = .true.
248 >  end subroutine createInteractionHash
249  
250 <  ! Query each potential and return the cutoff for that potential. We
256 <  ! build the neighbor list based on the largest cutoff value for that
257 <  ! atype. Each potential can decide whether to calculate the force for
258 <  ! that atype based upon it's own cutoff.
259 <  
260 <  subroutine createRcuts(defaultRcut, defaultSkinThickness, stat)
250 >  subroutine createGtypeCutoffMap(stat)
251  
252 <    real(kind=dp), intent(in), optional :: defaultRCut, defaultSkinThickness
253 <    integer :: iMap
254 <    integer :: map_i,map_j
255 <    real(kind=dp) :: thisRCut = 0.0_dp
256 <    real(kind=dp) :: actualCutoff = 0.0_dp
257 <    integer, intent(out) :: stat
258 <    integer :: nAtypes
259 <    integer :: myStatus
252 >    integer, intent(out), optional :: stat
253 >    logical :: i_is_LJ
254 >    logical :: i_is_Elect
255 >    logical :: i_is_Sticky
256 >    logical :: i_is_StickyP
257 >    logical :: i_is_GB
258 >    logical :: i_is_EAM
259 >    logical :: i_is_Shape
260 >    logical :: GtypeFound
261  
262 <    stat = 0
263 <    if (.not. haveInteractionMap) then
262 >    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
263 >    integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
264 >    integer :: nGroupsInRow
265 >    real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
266 >    real(kind=dp) :: biggestAtypeCutoff
267  
268 <       call createInteractionMap(myStatus)
269 <
268 >    stat = 0
269 >    if (.not. haveInteractionHash) then
270 >       call createInteractionHash(myStatus)      
271         if (myStatus .ne. 0) then
272 <          write(default_error, *) 'createInteractionMap failed in doForces!'
272 >          write(default_error, *) 'createInteractionHash failed in doForces!'
273            stat = -1
274            return
275         endif
276      endif
277 <
277 > #ifdef IS_MPI
278 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
279 > #endif
280      nAtypes = getSize(atypes)
281 <    !! If we pass a default rcut, set all atypes to that cutoff distance
282 <    if(present(defaultRList)) then
283 <       InteractionMap(:,:)%rCut = defaultRCut
284 <       InteractionMap(:,:)%rCutSq = defaultRCut*defaultRCut
285 <       InteractionMap(:,:)%rListSq = (defaultRCut+defaultSkinThickness)**2
286 <       haveRlist = .true.
287 <       return
288 <    end if
289 <
290 <    do map_i = 1,nAtypes
291 <       do map_j = map_i,nAtypes
295 <          iMap = InteractionMap(map_i, map_j)%InteractionHash
281 > ! Set all of the initial cutoffs to zero.
282 >    atypeMaxCutoff = 0.0_dp
283 >    do i = 1, nAtypes
284 >       if (SimHasAtype(i)) then    
285 >          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
286 >          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
287 >          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
288 >          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
289 >          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
290 >          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
291 >          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
292            
293 <          if ( iand(iMap, LJ_PAIR).ne.0 ) then
294 <             ! thisRCut = getLJCutOff(map_i,map_j)
295 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
293 >
294 >          if (haveDefaultCutoffs) then
295 >             atypeMaxCutoff(i) = defaultRcut
296 >          else
297 >             if (i_is_LJ) then          
298 >                thisRcut = getSigma(i) * 2.5_dp
299 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
300 >             endif
301 >             if (i_is_Elect) then
302 >                thisRcut = defaultRcut
303 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
304 >             endif
305 >             if (i_is_Sticky) then
306 >                thisRcut = getStickyCut(i)
307 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
308 >             endif
309 >             if (i_is_StickyP) then
310 >                thisRcut = getStickyPowerCut(i)
311 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
312 >             endif
313 >             if (i_is_GB) then
314 >                thisRcut = getGayBerneCut(i)
315 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
316 >             endif
317 >             if (i_is_EAM) then
318 >                thisRcut = getEAMCut(i)
319 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
320 >             endif
321 >             if (i_is_Shape) then
322 >                thisRcut = getShapeCut(i)
323 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
324 >             endif
325            endif
326            
302          if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
303             ! thisRCut = getElectrostaticCutOff(map_i,map_j)
304             if (thisRcut > actualCutoff) actualCutoff = thisRcut
305          endif
327            
328 <          if ( iand(iMap, STICKY_PAIR).ne.0 ) then
329 <             ! thisRCut = getStickyCutOff(map_i,map_j)
330 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
310 <           endif
311 <          
312 <           if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
313 <              ! thisRCut = getStickyPowerCutOff(map_i,map_j)
314 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
315 <           endif
316 <          
317 <           if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
318 <              ! thisRCut = getGayberneCutOff(map_i,map_j)
319 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
320 <           endif
321 <          
322 <           if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
323 < !              thisRCut = getGaybrneLJCutOff(map_i,map_j)
324 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
325 <           endif
326 <          
327 <           if ( iand(iMap, EAM_PAIR).ne.0 ) then      
328 < !              thisRCut = getEAMCutOff(map_i,map_j)
329 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
330 <           endif
331 <          
332 <           if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
333 < !              thisRCut = getShapeCutOff(map_i,map_j)
334 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
335 <           endif
336 <          
337 <           if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
338 < !              thisRCut = getShapeLJCutOff(map_i,map_j)
339 <              if (thisRcut > actualCutoff) actualCutoff = thisRcut
340 <           endif
341 <           InteractionMap(map_i, map_j)%rCut = actualCutoff
342 <           InteractionMap(map_i, map_j)%rCutSq = actualCutoff * actualCutoff
343 <           InteractionMap(map_i, map_j)%rListSq = (actualCutoff + skinThickness)**2
328 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
329 >             biggestAtypeCutoff = atypeMaxCutoff(i)
330 >          endif
331  
332 <           InteractionMap(map_j, map_i)%rCut = InteractionMap(map_i, map_j)%rCut
333 <           InteractionMap(map_j, map_i)%rCutSq = InteractionMap(map_i, map_j)%rCutSq
334 <           InteractionMap(map_j, map_i)%rListSq = InteractionMap(map_i, map_j)%rListSq
335 <        end do
336 <     end do
337 <     ! now the groups
332 >       endif
333 >    enddo
334 >  
335 >    nGroupTypes = 0
336 >    
337 >    istart = 1
338 > #ifdef IS_MPI
339 >    iend = nGroupsInRow
340 > #else
341 >    iend = nGroups
342 > #endif
343 >    
344 >    !! allocate the groupToGtype and gtypeMaxCutoff here.
345 >    if(.not.allocated(groupToGtype)) then
346 >       allocate(groupToGtype(iend))
347 >       allocate(groupMaxCutoff(iend))
348 >       allocate(gtypeMaxCutoff(iend))
349 >       groupMaxCutoff = 0.0_dp
350 >       gtypeMaxCutoff = 0.0_dp
351 >    endif
352 >    !! first we do a single loop over the cutoff groups to find the
353 >    !! largest cutoff for any atypes present in this group.  We also
354 >    !! create gtypes at this point.
355 >    
356 >    tol = 1.0d-6
357 >    
358 >    do i = istart, iend      
359 >       n_in_i = groupStartRow(i+1) - groupStartRow(i)
360 >       groupMaxCutoff(i) = 0.0_dp
361 >       do ia = groupStartRow(i), groupStartRow(i+1)-1
362 >          atom1 = groupListRow(ia)
363 > #ifdef IS_MPI
364 >          me_i = atid_row(atom1)
365 > #else
366 >          me_i = atid(atom1)
367 > #endif          
368 >          if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
369 >             groupMaxCutoff(i)=atypeMaxCutoff(me_i)
370 >          endif          
371 >       enddo
372  
373 <
374 <
375 <     haveRlist = .true.
376 <  end subroutine createRcuts
373 >       if (nGroupTypes.eq.0) then
374 >          nGroupTypes = nGroupTypes + 1
375 >          gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
376 >          groupToGtype(i) = nGroupTypes
377 >       else
378 >          GtypeFound = .false.
379 >          do g = 1, nGroupTypes
380 >             if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
381 >                groupToGtype(i) = g
382 >                GtypeFound = .true.
383 >             endif
384 >          enddo
385 >          if (.not.GtypeFound) then            
386 >             nGroupTypes = nGroupTypes + 1
387 >             gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
388 >             groupToGtype(i) = nGroupTypes
389 >          endif
390 >       endif
391 >    enddo    
392  
393 +    !! allocate the gtypeCutoffMap here.
394 +    allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
395 +    !! then we do a double loop over all the group TYPES to find the cutoff
396 +    !! map between groups of two types
397 +    
398 +    do i = 1, nGroupTypes
399 +       do j = 1, nGroupTypes
400 +      
401 +          select case(cutoffPolicy)
402 +          case(TRADITIONAL_CUTOFF_POLICY)
403 +             thisRcut = maxval(gtypeMaxCutoff)
404 +          case(MIX_CUTOFF_POLICY)
405 +             thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
406 +          case(MAX_CUTOFF_POLICY)
407 +             thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
408 +          case default
409 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
410 +             return
411 +          end select
412 +          gtypeCutoffMap(i,j)%rcut = thisRcut
413 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
414 +          skin = defaultRlist - defaultRcut
415 +          listSkin = skin ! set neighbor list skin thickness
416 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
417  
418 < !!! THIS GOES AWAY FOR SIZE DEPENDENT CUTOFF
359 < !!$  subroutine setRlistDF( this_rlist )
360 < !!$
361 < !!$   real(kind=dp) :: this_rlist
362 < !!$
363 < !!$    rlist = this_rlist
364 < !!$    rlistsq = rlist * rlist
365 < !!$
366 < !!$    haveRlist = .true.
367 < !!$
368 < !!$  end subroutine setRlistDF
418 >          ! sanity check
419  
420 +          if (haveDefaultCutoffs) then
421 +             if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then
422 +                call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff")
423 +             endif
424 +          endif
425 +       enddo
426 +    enddo
427  
428 +    haveGtypeCutoffMap = .true.
429 +   end subroutine createGtypeCutoffMap
430 +
431 +   subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
432 +     real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
433 +     integer, intent(in) :: cutPolicy
434 +
435 +     defaultRcut = defRcut
436 +     defaultRsw = defRsw
437 +     defaultRlist = defRlist
438 +     cutoffPolicy = cutPolicy
439 +
440 +     haveDefaultCutoffs = .true.
441 +   end subroutine setDefaultCutoffs
442 +
443 +   subroutine setCutoffPolicy(cutPolicy)
444 +
445 +     integer, intent(in) :: cutPolicy
446 +     cutoffPolicy = cutPolicy
447 +     call createGtypeCutoffMap()
448 +   end subroutine setCutoffPolicy
449 +    
450 +    
451    subroutine setSimVariables()
452      SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
373    SIM_uses_LennardJones = SimUsesLennardJones()
374    SIM_uses_Electrostatics = SimUsesElectrostatics()
375    SIM_uses_Charges = SimUsesCharges()
376    SIM_uses_Dipoles = SimUsesDipoles()
377    SIM_uses_Sticky = SimUsesSticky()
378    SIM_uses_StickyPower = SimUsesStickyPower()
379    SIM_uses_GayBerne = SimUsesGayBerne()
453      SIM_uses_EAM = SimUsesEAM()
381    SIM_uses_Shapes = SimUsesShapes()
382    SIM_uses_FLARB = SimUsesFLARB()
383    SIM_uses_RF = SimUsesRF()
454      SIM_requires_postpair_calc = SimRequiresPostpairCalc()
455      SIM_requires_prepair_calc = SimRequiresPrepairCalc()
456      SIM_uses_PBC = SimUsesPBC()
# Line 397 | Line 467 | contains
467  
468      error = 0
469  
470 <    if (.not. haveInteractionMap) then
401 <      
470 >    if (.not. haveInteractionHash) then      
471         myStatus = 0      
472 <       call createInteractionMap(myStatus)
404 <      
472 >       call createInteractionHash(myStatus)      
473         if (myStatus .ne. 0) then
474 <          write(default_error, *) 'createInteractionMap failed in doForces!'
474 >          write(default_error, *) 'createInteractionHash failed in doForces!'
475            error = -1
476            return
477         endif
478      endif
479  
480 +    if (.not. haveGtypeCutoffMap) then        
481 +       myStatus = 0      
482 +       call createGtypeCutoffMap(myStatus)      
483 +       if (myStatus .ne. 0) then
484 +          write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
485 +          error = -1
486 +          return
487 +       endif
488 +    endif
489 +
490      if (.not. haveSIMvariables) then
491         call setSimVariables()
492      endif
493  
494 <    if (.not. haveRlist) then
495 <       write(default_error, *) 'rList has not been set in doForces!'
496 <       error = -1
497 <       return
498 <    endif
494 >  !  if (.not. haveRlist) then
495 >  !     write(default_error, *) 'rList has not been set in doForces!'
496 >  !     error = -1
497 >  !     return
498 >  !  endif
499  
500      if (.not. haveNeighborList) then
501         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 442 | Line 520 | contains
520    end subroutine doReadyCheck
521  
522  
523 <  subroutine init_FF(use_RF_c, thisStat)
523 >  subroutine init_FF(thisESM, thisStat)
524  
525 <    logical, intent(in) :: use_RF_c
448 <
525 >    integer, intent(in) :: thisESM
526      integer, intent(out) :: thisStat  
527      integer :: my_status, nMatches
528      integer, pointer :: MatchList(:) => null()
# Line 454 | Line 531 | contains
531      !! assume things are copacetic, unless they aren't
532      thisStat = 0
533  
534 <    !! Fortran's version of a cast:
458 <    FF_uses_RF = use_RF_c
534 >    electrostaticSummationMethod = thisESM
535  
536      !! init_FF is called *after* all of the atom types have been
537      !! defined in atype_module using the new_atype subroutine.
# Line 464 | Line 540 | contains
540      !! interactions are used by the force field.    
541  
542      FF_uses_DirectionalAtoms = .false.
467    FF_uses_LennardJones = .false.
468    FF_uses_Electrostatics = .false.
469    FF_uses_Charges = .false.    
543      FF_uses_Dipoles = .false.
471    FF_uses_Sticky = .false.
472    FF_uses_StickyPower = .false.
544      FF_uses_GayBerne = .false.
545      FF_uses_EAM = .false.
475    FF_uses_Shapes = .false.
476    FF_uses_FLARB = .false.
546  
547      call getMatchingElementList(atypes, "is_Directional", .true., &
548           nMatches, MatchList)
549      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
481
482    call getMatchingElementList(atypes, "is_LennardJones", .true., &
483         nMatches, MatchList)
484    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
485
486    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
487         nMatches, MatchList)
488    if (nMatches .gt. 0) then
489       FF_uses_Electrostatics = .true.
490    endif
550  
492    call getMatchingElementList(atypes, "is_Charge", .true., &
493         nMatches, MatchList)
494    if (nMatches .gt. 0) then
495       FF_uses_Charges = .true.  
496       FF_uses_Electrostatics = .true.
497    endif
498
551      call getMatchingElementList(atypes, "is_Dipole", .true., &
552           nMatches, MatchList)
553 <    if (nMatches .gt. 0) then
502 <       FF_uses_Dipoles = .true.
503 <       FF_uses_Electrostatics = .true.
504 <       FF_uses_DirectionalAtoms = .true.
505 <    endif
506 <
507 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
508 <         nMatches, MatchList)
509 <    if (nMatches .gt. 0) then
510 <       FF_uses_Quadrupoles = .true.
511 <       FF_uses_Electrostatics = .true.
512 <       FF_uses_DirectionalAtoms = .true.
513 <    endif
514 <
515 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
516 <         MatchList)
517 <    if (nMatches .gt. 0) then
518 <       FF_uses_Sticky = .true.
519 <       FF_uses_DirectionalAtoms = .true.
520 <    endif
521 <
522 <    call getMatchingElementList(atypes, "is_StickyPower", .true., nMatches, &
523 <         MatchList)
524 <    if (nMatches .gt. 0) then
525 <       FF_uses_StickyPower = .true.
526 <       FF_uses_DirectionalAtoms = .true.
527 <    endif
553 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
554      
555      call getMatchingElementList(atypes, "is_GayBerne", .true., &
556           nMatches, MatchList)
557 <    if (nMatches .gt. 0) then
532 <       FF_uses_GayBerne = .true.
533 <       FF_uses_DirectionalAtoms = .true.
534 <    endif
557 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
558  
559      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
560      if (nMatches .gt. 0) FF_uses_EAM = .true.
561  
539    call getMatchingElementList(atypes, "is_Shape", .true., &
540         nMatches, MatchList)
541    if (nMatches .gt. 0) then
542       FF_uses_Shapes = .true.
543       FF_uses_DirectionalAtoms = .true.
544    endif
562  
546    call getMatchingElementList(atypes, "is_FLARB", .true., &
547         nMatches, MatchList)
548    if (nMatches .gt. 0) FF_uses_FLARB = .true.
549
550    !! Assume sanity (for the sake of argument)
563      haveSaneForceField = .true.
564  
565 <    !! check to make sure the FF_uses_RF setting makes sense
565 >    !! check to make sure the reaction field setting makes sense
566  
567 <    if (FF_uses_dipoles) then
568 <       if (FF_uses_RF) then
567 >    if (FF_uses_Dipoles) then
568 >       if (electrostaticSummationMethod == REACTION_FIELD) then
569            dielect = getDielect()
570            call initialize_rf(dielect)
571         endif
572      else
573 <       if (FF_uses_RF) then          
573 >       if (electrostaticSummationMethod == REACTION_FIELD) then
574            write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
575            thisStat = -1
576            haveSaneForceField = .false.
# Line 566 | Line 578 | contains
578         endif
579      endif
580  
569    !sticky module does not contain check_sticky_FF anymore
570    !if (FF_uses_sticky) then
571    !   call check_sticky_FF(my_status)
572    !   if (my_status /= 0) then
573    !      thisStat = -1
574    !      haveSaneForceField = .false.
575    !      return
576    !   end if
577    !endif
578
581      if (FF_uses_EAM) then
582         call init_EAM_FF(my_status)
583         if (my_status /= 0) then
# Line 595 | Line 597 | contains
597         endif
598      endif
599  
598    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
599    endif
600
600      if (.not. haveNeighborList) then
601         !! Create neighbor lists
602         call expandNeighborList(nLocal, my_status)
# Line 661 | Line 660 | contains
660      integer :: localError
661      integer :: propPack_i, propPack_j
662      integer :: loopStart, loopEnd, loop
663 <    integer :: iMap
664 <    real(kind=dp) :: listSkin = 1.0  
663 >    integer :: iHash
664 >  
665  
666      !! initialize local variables  
667  
# Line 752 | Line 751 | contains
751         iend = nGroups - 1
752   #endif
753         outer: do i = istart, iend
755
756 #ifdef IS_MPI
757             me_i = atid_row(i)
758 #else
759             me_i = atid(i)
760 #endif
754  
755            if (update_nlist) point(i) = nlist + 1
756  
# Line 793 | Line 786 | contains
786               me_j = atid(j)
787               call get_interatomic_vector(q_group(:,i), &
788                    q_group(:,j), d_grp, rgrpsq)
789 < #endif
789 > #endif      
790  
791 <             if (rgrpsq < InteractionMap(me_i,me_j)%rListsq) then
791 >             if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
792                  if (update_nlist) then
793                     nlist = nlist + 1
794  
# Line 916 | Line 909 | contains
909                  endif
910               end if
911            enddo
912 +
913         enddo outer
914  
915         if (update_nlist) then
# Line 995 | Line 989 | contains
989  
990      if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
991  
992 <       if (FF_uses_RF .and. SIM_uses_RF) then
992 >       if (electrostaticSummationMethod == REACTION_FIELD) then
993  
994   #ifdef IS_MPI
995            call scatter(rf_Row,rf,plan_atom_row_3d)
# Line 1013 | Line 1007 | contains
1007   #else
1008               me_i = atid(i)
1009   #endif
1010 <             iMap = InteractionMap(me_i, me_j)%InteractionHash
1010 >             iHash = InteractionHash(me_i,me_j)
1011              
1012 <             if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1012 >             if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1013  
1014                  mu_i = getDipoleMoment(me_i)
1015  
# Line 1079 | Line 1073 | contains
1073      real ( kind = dp ), intent(inout) :: rijsq
1074      real ( kind = dp )                :: r
1075      real ( kind = dp ), intent(inout) :: d(3)
1082    real ( kind = dp ) :: ebalance
1076      integer :: me_i, me_j
1077  
1078 <    integer :: iMap
1078 >    integer :: iHash
1079  
1080      r = sqrt(rijsq)
1081      vpair = 0.0d0
# Line 1096 | Line 1089 | contains
1089      me_j = atid(j)
1090   #endif
1091  
1092 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1092 >    iHash = InteractionHash(me_i, me_j)
1093  
1094 <    if ( iand(iMap, LJ_PAIR).ne.0 ) then
1094 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1095         call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1096      endif
1097  
1098 <    if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1098 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1099         call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1100              pot, eFrame, f, t, do_pot)
1101  
1102 <       if (FF_uses_RF .and. SIM_uses_RF) then
1102 >       if (electrostaticSummationMethod == REACTION_FIELD) then
1103  
1104            ! CHECK ME (RF needs to know about all electrostatic types)
1105            call accumulate_rf(i, j, r, eFrame, sw)
# Line 1115 | Line 1108 | contains
1108  
1109      endif
1110  
1111 <    if ( iand(iMap, STICKY_PAIR).ne.0 ) then
1111 >    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1112         call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1113              pot, A, f, t, do_pot)
1114      endif
1115  
1116 <    if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
1116 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1117         call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1118              pot, A, f, t, do_pot)
1119      endif
1120  
1121 <    if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
1121 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1122         call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1123              pot, A, f, t, do_pot)
1124      endif
1125      
1126 <    if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
1126 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1127   !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1128   !           pot, A, f, t, do_pot)
1129      endif
1130  
1131 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1131 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1132         call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1133              do_pot)
1134      endif
1135  
1136 <    if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
1136 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1137         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1138              pot, A, f, t, do_pot)
1139      endif
1140  
1141 <    if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
1141 >    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1142         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1143              pot, A, f, t, do_pot)
1144      endif
# Line 1167 | Line 1160 | contains
1160      real ( kind = dp )                :: r, rc
1161      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1162  
1163 <    integer :: me_i, me_j, iMap
1163 >    integer :: me_i, me_j, iHash
1164  
1165 +    r = sqrt(rijsq)
1166 +
1167   #ifdef IS_MPI  
1168      me_i = atid_row(i)
1169      me_j = atid_col(j)  
# Line 1177 | Line 1172 | contains
1172      me_j = atid(j)  
1173   #endif
1174  
1175 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1175 >    iHash = InteractionHash(me_i, me_j)
1176  
1177 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1177 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1178              call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1179      endif
1180      
# Line 1376 | Line 1371 | contains
1371  
1372    function FF_UsesDirectionalAtoms() result(doesit)
1373      logical :: doesit
1374 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1380 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1381 <         FF_uses_StickyPower .or. FF_uses_GayBerne .or. FF_uses_Shapes
1374 >    doesit = FF_uses_DirectionalAtoms
1375    end function FF_UsesDirectionalAtoms
1376  
1377    function FF_RequiresPrepairCalc() result(doesit)
# Line 1388 | Line 1381 | contains
1381  
1382    function FF_RequiresPostpairCalc() result(doesit)
1383      logical :: doesit
1384 <    doesit = FF_uses_RF
1384 >    if (electrostaticSummationMethod == REACTION_FIELD) doesit = .true.
1385    end function FF_RequiresPostpairCalc
1386  
1387   #ifdef PROFILE

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