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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 2317 by chrisfen, Wed Sep 21 17:20:14 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 1.48 2005-09-21 17:20:10 chrisfen Exp $, $Date: 2005-09-21 17:20:10 $, $Name: not supported by cvs2svn $, $Revision: 1.48 $
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    
140   contains
141  
142 <
152 <  subroutine createInteractionMap(status)
142 >  subroutine createInteractionHash(status)
143      integer :: nAtypes
144      integer, intent(out) :: status
145      integer :: i
146      integer :: j
147 <    integer :: ihash
158 <    real(kind=dp) :: myRcut
147 >    integer :: iHash
148      !! Test Types
149      logical :: i_is_LJ
150      logical :: i_is_Elect
# Line 171 | Line 160 | contains
160      logical :: j_is_GB
161      logical :: j_is_EAM
162      logical :: j_is_Shape
163 <    
163 >    real(kind=dp) :: myRcut
164 >
165      status = 0  
166  
167      if (.not. associated(atypes)) then
168 <       call handleError("atype", "atypes was not present before call of createDefaultInteractionMap!")
168 >       call handleError("atype", "atypes was not present before call of createInteractionHash!")
169         status = -1
170         return
171      endif
# Line 187 | Line 177 | contains
177         return
178      end if
179  
180 <    if (.not. allocated(InteractionMap)) then
181 <       allocate(InteractionMap(nAtypes,nAtypes))
180 >    if (.not. allocated(InteractionHash)) then
181 >       allocate(InteractionHash(nAtypes,nAtypes))
182      endif
183 +
184 +    if (.not. allocated(atypeMaxCutoff)) then
185 +       allocate(atypeMaxCutoff(nAtypes))
186 +    endif
187          
188      do i = 1, nAtypes
189         call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
# Line 242 | Line 236 | contains
236            if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
237  
238  
239 <          InteractionMap(i,j)%InteractionHash = iHash
240 <          InteractionMap(j,i)%InteractionHash = iHash
239 >          InteractionHash(i,j) = iHash
240 >          InteractionHash(j,i) = iHash
241  
242         end do
243  
244      end do
245  
246 <    haveInteractionMap = .true.
247 <  end subroutine createInteractionMap
246 >    haveInteractionHash = .true.
247 >  end subroutine createInteractionHash
248  
249 <  ! 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)
249 >  subroutine createGtypeCutoffMap(stat)
250  
251 <    real(kind=dp), intent(in), optional :: defaultRCut, defaultSkinThickness
252 <    integer :: iMap
253 <    integer :: map_i,map_j
254 <    real(kind=dp) :: thisRCut = 0.0_dp
255 <    real(kind=dp) :: actualCutoff = 0.0_dp
256 <    integer, intent(out) :: stat
257 <    integer :: nAtypes
258 <    integer :: myStatus
251 >    integer, intent(out), optional :: stat
252 >    logical :: i_is_LJ
253 >    logical :: i_is_Elect
254 >    logical :: i_is_Sticky
255 >    logical :: i_is_StickyP
256 >    logical :: i_is_GB
257 >    logical :: i_is_EAM
258 >    logical :: i_is_Shape
259 >    logical :: GtypeFound
260  
261 <    stat = 0
262 <    if (.not. haveInteractionMap) then
261 >    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
262 >    integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
263 >    integer :: nGroupsInRow
264 >    real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
265 >    real(kind=dp) :: biggestAtypeCutoff
266  
267 <       call createInteractionMap(myStatus)
268 <
267 >    stat = 0
268 >    if (.not. haveInteractionHash) then
269 >       call createInteractionHash(myStatus)      
270         if (myStatus .ne. 0) then
271 <          write(default_error, *) 'createInteractionMap failed in doForces!'
271 >          write(default_error, *) 'createInteractionHash failed in doForces!'
272            stat = -1
273            return
274         endif
275      endif
276 <
276 > #ifdef IS_MPI
277 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
278 > #endif
279      nAtypes = getSize(atypes)
280 <    !! If we pass a default rcut, set all atypes to that cutoff distance
281 <    if(present(defaultRList)) then
282 <       InteractionMap(:,:)%rCut = defaultRCut
283 <       InteractionMap(:,:)%rCutSq = defaultRCut*defaultRCut
284 <       InteractionMap(:,:)%rListSq = (defaultRCut+defaultSkinThickness)**2
285 <       haveRlist = .true.
286 <       return
287 <    end if
288 <
289 <    do map_i = 1,nAtypes
290 <       do map_j = map_i,nAtypes
295 <          iMap = InteractionMap(map_i, map_j)%InteractionHash
280 > ! Set all of the initial cutoffs to zero.
281 >    atypeMaxCutoff = 0.0_dp
282 >    do i = 1, nAtypes
283 >       if (SimHasAtype(i)) then    
284 >          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
285 >          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
286 >          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
287 >          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
288 >          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
289 >          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
290 >          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
291            
292 <          if ( iand(iMap, LJ_PAIR).ne.0 ) then
293 <             ! thisRCut = getLJCutOff(map_i,map_j)
294 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
292 >
293 >          if (haveDefaultCutoffs) then
294 >             atypeMaxCutoff(i) = defaultRcut
295 >          else
296 >             if (i_is_LJ) then          
297 >                thisRcut = getSigma(i) * 2.5_dp
298 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
299 >             endif
300 >             if (i_is_Elect) then
301 >                thisRcut = defaultRcut
302 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
303 >             endif
304 >             if (i_is_Sticky) then
305 >                thisRcut = getStickyCut(i)
306 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
307 >             endif
308 >             if (i_is_StickyP) then
309 >                thisRcut = getStickyPowerCut(i)
310 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
311 >             endif
312 >             if (i_is_GB) then
313 >                thisRcut = getGayBerneCut(i)
314 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
315 >             endif
316 >             if (i_is_EAM) then
317 >                thisRcut = getEAMCut(i)
318 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
319 >             endif
320 >             if (i_is_Shape) then
321 >                thisRcut = getShapeCut(i)
322 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
323 >             endif
324            endif
325            
302          if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
303             ! thisRCut = getElectrostaticCutOff(map_i,map_j)
304             if (thisRcut > actualCutoff) actualCutoff = thisRcut
305          endif
326            
327 <          if ( iand(iMap, STICKY_PAIR).ne.0 ) then
328 <             ! thisRCut = getStickyCutOff(map_i,map_j)
329 <              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
327 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
328 >             biggestAtypeCutoff = atypeMaxCutoff(i)
329 >          endif
330  
331 <           InteractionMap(map_j, map_i)%rCut = InteractionMap(map_i, map_j)%rCut
332 <           InteractionMap(map_j, map_i)%rCutSq = InteractionMap(map_i, map_j)%rCutSq
333 <           InteractionMap(map_j, map_i)%rListSq = InteractionMap(map_i, map_j)%rListSq
334 <        end do
335 <     end do
336 <     ! now the groups
331 >       endif
332 >    enddo
333 >  
334 >    nGroupTypes = 0
335 >    
336 >    istart = 1
337 > #ifdef IS_MPI
338 >    iend = nGroupsInRow
339 > #else
340 >    iend = nGroups
341 > #endif
342 >    
343 >    !! allocate the groupToGtype and gtypeMaxCutoff here.
344 >    if(.not.allocated(groupToGtype)) then
345 >       allocate(groupToGtype(iend))
346 >       allocate(groupMaxCutoff(iend))
347 >       allocate(gtypeMaxCutoff(iend))
348 >       groupMaxCutoff = 0.0_dp
349 >       gtypeMaxCutoff = 0.0_dp
350 >    endif
351 >    !! first we do a single loop over the cutoff groups to find the
352 >    !! largest cutoff for any atypes present in this group.  We also
353 >    !! create gtypes at this point.
354 >    
355 >    tol = 1.0d-6
356 >    
357 >    do i = istart, iend      
358 >       n_in_i = groupStartRow(i+1) - groupStartRow(i)
359 >       groupMaxCutoff(i) = 0.0_dp
360 >       do ia = groupStartRow(i), groupStartRow(i+1)-1
361 >          atom1 = groupListRow(ia)
362 > #ifdef IS_MPI
363 >          me_i = atid_row(atom1)
364 > #else
365 >          me_i = atid(atom1)
366 > #endif          
367 >          if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
368 >             groupMaxCutoff(i)=atypeMaxCutoff(me_i)
369 >          endif          
370 >       enddo
371  
372 <
373 <
374 <     haveRlist = .true.
375 <  end subroutine createRcuts
372 >       if (nGroupTypes.eq.0) then
373 >          nGroupTypes = nGroupTypes + 1
374 >          gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
375 >          groupToGtype(i) = nGroupTypes
376 >       else
377 >          GtypeFound = .false.
378 >          do g = 1, nGroupTypes
379 >             if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
380 >                groupToGtype(i) = g
381 >                GtypeFound = .true.
382 >             endif
383 >          enddo
384 >          if (.not.GtypeFound) then            
385 >             nGroupTypes = nGroupTypes + 1
386 >             gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
387 >             groupToGtype(i) = nGroupTypes
388 >          endif
389 >       endif
390 >    enddo    
391  
392 +    !! allocate the gtypeCutoffMap here.
393 +    allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
394 +    !! then we do a double loop over all the group TYPES to find the cutoff
395 +    !! map between groups of two types
396 +    
397 +    do i = 1, nGroupTypes
398 +       do j = 1, nGroupTypes
399 +      
400 +          select case(cutoffPolicy)
401 +          case(TRADITIONAL_CUTOFF_POLICY)
402 +             thisRcut = maxval(gtypeMaxCutoff)
403 +          case(MIX_CUTOFF_POLICY)
404 +             thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
405 +          case(MAX_CUTOFF_POLICY)
406 +             thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
407 +          case default
408 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
409 +             return
410 +          end select
411 +          gtypeCutoffMap(i,j)%rcut = thisRcut
412 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
413 +          skin = defaultRlist - defaultRcut
414 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
415  
416 < !!! 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
416 >          ! sanity check
417  
418 +          if (haveDefaultCutoffs) then
419 +             if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then
420 +                call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff")
421 +             endif
422 +          endif
423 +       enddo
424 +    enddo
425  
426 +    haveGtypeCutoffMap = .true.
427 +   end subroutine createGtypeCutoffMap
428 +
429 +   subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
430 +     real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
431 +     integer, intent(in) :: cutPolicy
432 +
433 +     defaultRcut = defRcut
434 +     defaultRsw = defRsw
435 +     defaultRlist = defRlist
436 +     cutoffPolicy = cutPolicy
437 +
438 +     haveDefaultCutoffs = .true.
439 +   end subroutine setDefaultCutoffs
440 +
441 +   subroutine setCutoffPolicy(cutPolicy)
442 +
443 +     integer, intent(in) :: cutPolicy
444 +     cutoffPolicy = cutPolicy
445 +     call createGtypeCutoffMap()
446 +   end subroutine setCutoffPolicy
447 +    
448 +    
449    subroutine setSimVariables()
450      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()
451      SIM_uses_EAM = SimUsesEAM()
381    SIM_uses_Shapes = SimUsesShapes()
382    SIM_uses_FLARB = SimUsesFLARB()
383    SIM_uses_RF = SimUsesRF()
452      SIM_requires_postpair_calc = SimRequiresPostpairCalc()
453      SIM_requires_prepair_calc = SimRequiresPrepairCalc()
454      SIM_uses_PBC = SimUsesPBC()
# Line 397 | Line 465 | contains
465  
466      error = 0
467  
468 <    if (.not. haveInteractionMap) then
401 <      
468 >    if (.not. haveInteractionHash) then      
469         myStatus = 0      
470 <       call createInteractionMap(myStatus)
404 <      
470 >       call createInteractionHash(myStatus)      
471         if (myStatus .ne. 0) then
472 <          write(default_error, *) 'createInteractionMap failed in doForces!'
472 >          write(default_error, *) 'createInteractionHash failed in doForces!'
473            error = -1
474            return
475         endif
476      endif
477  
478 +    if (.not. haveGtypeCutoffMap) then        
479 +       myStatus = 0      
480 +       call createGtypeCutoffMap(myStatus)      
481 +       if (myStatus .ne. 0) then
482 +          write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
483 +          error = -1
484 +          return
485 +       endif
486 +    endif
487 +
488      if (.not. haveSIMvariables) then
489         call setSimVariables()
490      endif
491  
492 <    if (.not. haveRlist) then
493 <       write(default_error, *) 'rList has not been set in doForces!'
494 <       error = -1
495 <       return
496 <    endif
492 >  !  if (.not. haveRlist) then
493 >  !     write(default_error, *) 'rList has not been set in doForces!'
494 >  !     error = -1
495 >  !     return
496 >  !  endif
497  
498      if (.not. haveNeighborList) then
499         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 442 | Line 518 | contains
518    end subroutine doReadyCheck
519  
520  
521 <  subroutine init_FF(use_RF_c, thisStat)
521 >  subroutine init_FF(thisESM, thisStat)
522  
523 <    logical, intent(in) :: use_RF_c
448 <
523 >    integer, intent(in) :: thisESM
524      integer, intent(out) :: thisStat  
525      integer :: my_status, nMatches
526      integer, pointer :: MatchList(:) => null()
# Line 454 | Line 529 | contains
529      !! assume things are copacetic, unless they aren't
530      thisStat = 0
531  
532 <    !! Fortran's version of a cast:
458 <    FF_uses_RF = use_RF_c
532 >    electrostaticSummationMethod = thisESM
533  
534      !! init_FF is called *after* all of the atom types have been
535      !! defined in atype_module using the new_atype subroutine.
# Line 464 | Line 538 | contains
538      !! interactions are used by the force field.    
539  
540      FF_uses_DirectionalAtoms = .false.
467    FF_uses_LennardJones = .false.
468    FF_uses_Electrostatics = .false.
469    FF_uses_Charges = .false.    
541      FF_uses_Dipoles = .false.
471    FF_uses_Sticky = .false.
472    FF_uses_StickyPower = .false.
542      FF_uses_GayBerne = .false.
543      FF_uses_EAM = .false.
475    FF_uses_Shapes = .false.
476    FF_uses_FLARB = .false.
544  
545      call getMatchingElementList(atypes, "is_Directional", .true., &
546           nMatches, MatchList)
547      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
548  
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
491
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
549      call getMatchingElementList(atypes, "is_Dipole", .true., &
550           nMatches, MatchList)
551 <    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
551 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
552      
553      call getMatchingElementList(atypes, "is_GayBerne", .true., &
554           nMatches, MatchList)
555 <    if (nMatches .gt. 0) then
532 <       FF_uses_GayBerne = .true.
533 <       FF_uses_DirectionalAtoms = .true.
534 <    endif
555 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
556  
557      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
558      if (nMatches .gt. 0) FF_uses_EAM = .true.
559  
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
560  
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)
561      haveSaneForceField = .true.
562  
563 <    !! check to make sure the FF_uses_RF setting makes sense
563 >    !! check to make sure the reaction field setting makes sense
564  
565 <    if (FF_uses_dipoles) then
566 <       if (FF_uses_RF) then
565 >    if (FF_uses_Dipoles) then
566 >       if (electrostaticSummationMethod == REACTION_FIELD) then
567            dielect = getDielect()
568            call initialize_rf(dielect)
569         endif
570      else
571 <       if (FF_uses_RF) then          
571 >       if (electrostaticSummationMethod == REACTION_FIELD) then
572            write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
573            thisStat = -1
574            haveSaneForceField = .false.
575            return
576         endif
577      endif
568
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  
579      if (FF_uses_EAM) then
580         call init_EAM_FF(my_status)
# Line 595 | Line 595 | contains
595         endif
596      endif
597  
598    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
599    endif
600
598      if (.not. haveNeighborList) then
599         !! Create neighbor lists
600         call expandNeighborList(nLocal, my_status)
# Line 661 | Line 658 | contains
658      integer :: localError
659      integer :: propPack_i, propPack_j
660      integer :: loopStart, loopEnd, loop
661 <    integer :: iMap
661 >    integer :: iHash
662      real(kind=dp) :: listSkin = 1.0  
663  
664      !! initialize local variables  
# Line 752 | Line 749 | contains
749         iend = nGroups - 1
750   #endif
751         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
752  
753            if (update_nlist) point(i) = nlist + 1
754  
# Line 793 | Line 784 | contains
784               me_j = atid(j)
785               call get_interatomic_vector(q_group(:,i), &
786                    q_group(:,j), d_grp, rgrpsq)
787 < #endif
787 > #endif      
788  
789 <             if (rgrpsq < InteractionMap(me_i,me_j)%rListsq) then
789 >             if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
790                  if (update_nlist) then
791                     nlist = nlist + 1
792  
# Line 995 | Line 986 | contains
986  
987      if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
988  
989 <       if (FF_uses_RF .and. SIM_uses_RF) then
989 >       if (electrostaticSummationMethod == REACTION_FIELD) then
990  
991   #ifdef IS_MPI
992            call scatter(rf_Row,rf,plan_atom_row_3d)
# Line 1013 | Line 1004 | contains
1004   #else
1005               me_i = atid(i)
1006   #endif
1007 <             iMap = InteractionMap(me_i, me_j)%InteractionHash
1007 >             iHash = InteractionHash(me_i,me_j)
1008              
1009 <             if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1009 >             if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1010  
1011                  mu_i = getDipoleMoment(me_i)
1012  
# Line 1079 | Line 1070 | contains
1070      real ( kind = dp ), intent(inout) :: rijsq
1071      real ( kind = dp )                :: r
1072      real ( kind = dp ), intent(inout) :: d(3)
1082    real ( kind = dp ) :: ebalance
1073      integer :: me_i, me_j
1074  
1075 <    integer :: iMap
1075 >    integer :: iHash
1076  
1077      r = sqrt(rijsq)
1078      vpair = 0.0d0
# Line 1096 | Line 1086 | contains
1086      me_j = atid(j)
1087   #endif
1088  
1089 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1089 >    iHash = InteractionHash(me_i, me_j)
1090  
1091 <    if ( iand(iMap, LJ_PAIR).ne.0 ) then
1091 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1092         call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1093      endif
1094  
1095 <    if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1095 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1096         call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1097              pot, eFrame, f, t, do_pot)
1098  
1099 <       if (FF_uses_RF .and. SIM_uses_RF) then
1099 >       if (electrostaticSummationMethod == REACTION_FIELD) then
1100  
1101            ! CHECK ME (RF needs to know about all electrostatic types)
1102            call accumulate_rf(i, j, r, eFrame, sw)
# Line 1115 | Line 1105 | contains
1105  
1106      endif
1107  
1108 <    if ( iand(iMap, STICKY_PAIR).ne.0 ) then
1108 >    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1109         call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1110              pot, A, f, t, do_pot)
1111      endif
1112  
1113 <    if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
1113 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1114         call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1115              pot, A, f, t, do_pot)
1116      endif
1117  
1118 <    if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
1118 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1119         call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1120              pot, A, f, t, do_pot)
1121      endif
1122      
1123 <    if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
1123 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1124   !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1125   !           pot, A, f, t, do_pot)
1126      endif
1127  
1128 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1128 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1129         call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1130              do_pot)
1131      endif
1132  
1133 <    if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
1133 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1134         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1135              pot, A, f, t, do_pot)
1136      endif
1137  
1138 <    if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
1138 >    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1139         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1140              pot, A, f, t, do_pot)
1141      endif
# Line 1167 | Line 1157 | contains
1157      real ( kind = dp )                :: r, rc
1158      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1159  
1160 <    integer :: me_i, me_j, iMap
1160 >    integer :: me_i, me_j, iHash
1161  
1162 +    r = sqrt(rijsq)
1163 +
1164   #ifdef IS_MPI  
1165      me_i = atid_row(i)
1166      me_j = atid_col(j)  
# Line 1177 | Line 1169 | contains
1169      me_j = atid(j)  
1170   #endif
1171  
1172 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1172 >    iHash = InteractionHash(me_i, me_j)
1173  
1174 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1174 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1175              call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1176      endif
1177      
# Line 1376 | Line 1368 | contains
1368  
1369    function FF_UsesDirectionalAtoms() result(doesit)
1370      logical :: doesit
1371 <    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
1371 >    doesit = FF_uses_DirectionalAtoms
1372    end function FF_UsesDirectionalAtoms
1373  
1374    function FF_RequiresPrepairCalc() result(doesit)
# Line 1388 | Line 1378 | contains
1378  
1379    function FF_RequiresPostpairCalc() result(doesit)
1380      logical :: doesit
1381 <    doesit = FF_uses_RF
1381 >    if (electrostaticSummationMethod == REACTION_FIELD) doesit = .true.
1382    end function FF_RequiresPostpairCalc
1383  
1384   #ifdef PROFILE

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