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Comparing trunk/OOPSE-4/src/UseTheForce/doForces.F90 (file contents):
Revision 2250 by chrisfen, Sun May 29 21:15:52 2005 UTC vs.
Revision 2306 by chrisfen, Fri Sep 16 20:37:05 2005 UTC

# Line 45 | Line 45
45  
46   !! @author Charles F. Vardeman II
47   !! @author Matthew Meineke
48 < !! @version $Id: doForces.F90,v 1.19 2005-05-29 21:15:52 chrisfen Exp $, $Date: 2005-05-29 21:15:52 $, $Name: not supported by cvs2svn $, $Revision: 1.19 $
48 > !! @version $Id: doForces.F90,v 1.45 2005-09-16 20:36:55 chrisfen Exp $, $Date: 2005-09-16 20:36:55 $, $Name: not supported by cvs2svn $, $Revision: 1.45 $
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  
79 +
80    INTEGER, PARAMETER:: PREPAIR_LOOP = 1
81    INTEGER, PARAMETER:: PAIR_LOOP    = 2
82  
80  logical, save :: haveRlist = .false.
83    logical, save :: haveNeighborList = .false.
84    logical, save :: haveSIMvariables = .false.
83  logical, save :: havePropertyMap = .false.
85    logical, save :: haveSaneForceField = .false.
86 +  logical, save :: haveInteractionHash = .false.
87 +  logical, save :: haveGtypeCutoffMap = .false.
88 +  logical, save :: haveRlist = .false.
89  
90    logical, save :: FF_uses_DirectionalAtoms
87  logical, save :: FF_uses_LennardJones
88  logical, save :: FF_uses_Electrostatics
89  logical, save :: FF_uses_Charges
91    logical, save :: FF_uses_Dipoles
91  logical, save :: FF_uses_Quadrupoles
92  logical, save :: FF_uses_Sticky
93  logical, save :: FF_uses_StickyPower
92    logical, save :: FF_uses_GayBerne
93    logical, save :: FF_uses_EAM
96  logical, save :: FF_uses_Shapes
97  logical, save :: FF_uses_FLARB
98  logical, save :: FF_uses_RF
94  
95    logical, save :: SIM_uses_DirectionalAtoms
101  logical, save :: SIM_uses_LennardJones
102  logical, save :: SIM_uses_Electrostatics
103  logical, save :: SIM_uses_Charges
104  logical, save :: SIM_uses_Dipoles
105  logical, save :: SIM_uses_Quadrupoles
106  logical, save :: SIM_uses_Sticky
107  logical, save :: SIM_uses_StickyPower
108  logical, save :: SIM_uses_GayBerne
96    logical, save :: SIM_uses_EAM
110  logical, save :: SIM_uses_Shapes
111  logical, save :: SIM_uses_FLARB
112  logical, save :: SIM_uses_RF
97    logical, save :: SIM_requires_postpair_calc
98    logical, save :: SIM_requires_prepair_calc
99    logical, save :: SIM_uses_PBC
116  logical, save :: SIM_uses_molecular_cutoffs
100  
101 <  real(kind=dp), save :: rlist, rlistsq
101 >  integer, save :: electrostaticSummationMethod
102  
103    public :: init_FF
104 +  public :: setDefaultCutoffs
105    public :: do_force_loop
106 <  public :: setRlistDF
106 >  public :: createInteractionHash
107 >  public :: createGtypeCutoffMap
108 >  public :: getStickyCut
109 >  public :: getStickyPowerCut
110 >  public :: getGayBerneCut
111 >  public :: getEAMCut
112 >  public :: getShapeCut
113  
114   #ifdef PROFILE
115    public :: getforcetime
# Line 127 | Line 117 | module doForces
117    real :: forceTimeInitial, forceTimeFinal
118    integer :: nLoops
119   #endif
120 +  
121 +  !! Variables for cutoff mapping and interaction mapping
122 +  ! Bit hash to determine pair-pair interactions.
123 +  integer, dimension(:,:), allocatable :: InteractionHash
124 +  real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
125 +  real(kind=dp), dimension(:), allocatable :: groupMaxCutoff
126 +  integer, dimension(:), allocatable :: groupToGtype
127 +  real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff
128 +  type ::gtypeCutoffs
129 +     real(kind=dp) :: rcut
130 +     real(kind=dp) :: rcutsq
131 +     real(kind=dp) :: rlistsq
132 +  end type gtypeCutoffs
133 +  type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap
134  
135 <  type :: Properties
136 <     logical :: is_Directional   = .false.
137 <     logical :: is_LennardJones  = .false.
138 <     logical :: is_Electrostatic = .false.
135 <     logical :: is_Charge        = .false.
136 <     logical :: is_Dipole        = .false.
137 <     logical :: is_Quadrupole    = .false.
138 <     logical :: is_Sticky        = .false.
139 <     logical :: is_StickyPower   = .false.
140 <     logical :: is_GayBerne      = .false.
141 <     logical :: is_EAM           = .false.
142 <     logical :: is_Shape         = .false.
143 <     logical :: is_FLARB         = .false.
144 <  end type Properties
145 <
146 <  type(Properties), dimension(:),allocatable :: PropertyMap
147 <
135 >  integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY
136 >  real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist
137 >  real(kind=dp),save :: rcuti
138 >  
139   contains
140  
141 <  subroutine setRlistDF( this_rlist )
151 <
152 <    real(kind=dp) :: this_rlist
153 <
154 <    rlist = this_rlist
155 <    rlistsq = rlist * rlist
156 <
157 <    haveRlist = .true.
158 <
159 <  end subroutine setRlistDF
160 <
161 <  subroutine createPropertyMap(status)
141 >  subroutine createInteractionHash(status)
142      integer :: nAtypes
143 <    integer :: status
143 >    integer, intent(out) :: status
144      integer :: i
145 <    logical :: thisProperty
146 <    real (kind=DP) :: thisDPproperty
145 >    integer :: j
146 >    integer :: iHash
147 >    !! Test Types
148 >    logical :: i_is_LJ
149 >    logical :: i_is_Elect
150 >    logical :: i_is_Sticky
151 >    logical :: i_is_StickyP
152 >    logical :: i_is_GB
153 >    logical :: i_is_EAM
154 >    logical :: i_is_Shape
155 >    logical :: j_is_LJ
156 >    logical :: j_is_Elect
157 >    logical :: j_is_Sticky
158 >    logical :: j_is_StickyP
159 >    logical :: j_is_GB
160 >    logical :: j_is_EAM
161 >    logical :: j_is_Shape
162 >    real(kind=dp) :: myRcut
163  
164 <    status = 0
164 >    status = 0  
165  
166 +    if (.not. associated(atypes)) then
167 +       call handleError("atype", "atypes was not present before call of createInteractionHash!")
168 +       status = -1
169 +       return
170 +    endif
171 +    
172      nAtypes = getSize(atypes)
173 <
173 >    
174      if (nAtypes == 0) then
175         status = -1
176         return
177      end if
178  
179 <    if (.not. allocated(PropertyMap)) then
180 <       allocate(PropertyMap(nAtypes))
179 >    if (.not. allocated(InteractionHash)) then
180 >       allocate(InteractionHash(nAtypes,nAtypes))
181      endif
182  
183 +    if (.not. allocated(atypeMaxCutoff)) then
184 +       allocate(atypeMaxCutoff(nAtypes))
185 +    endif
186 +        
187      do i = 1, nAtypes
188 <       call getElementProperty(atypes, i, "is_Directional", thisProperty)
189 <       PropertyMap(i)%is_Directional = thisProperty
188 >       call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
189 >       call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
190 >       call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
191 >       call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
192 >       call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
193 >       call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
194 >       call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
195  
196 <       call getElementProperty(atypes, i, "is_LennardJones", thisProperty)
186 <       PropertyMap(i)%is_LennardJones = thisProperty
196 >       do j = i, nAtypes
197  
198 <       call getElementProperty(atypes, i, "is_Electrostatic", thisProperty)
199 <       PropertyMap(i)%is_Electrostatic = thisProperty
198 >          iHash = 0
199 >          myRcut = 0.0_dp
200  
201 <       call getElementProperty(atypes, i, "is_Charge", thisProperty)
202 <       PropertyMap(i)%is_Charge = thisProperty
201 >          call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ)
202 >          call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect)
203 >          call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky)
204 >          call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP)
205 >          call getElementProperty(atypes, j, "is_GayBerne", j_is_GB)
206 >          call getElementProperty(atypes, j, "is_EAM", j_is_EAM)
207 >          call getElementProperty(atypes, j, "is_Shape", j_is_Shape)
208  
209 <       call getElementProperty(atypes, i, "is_Dipole", thisProperty)
210 <       PropertyMap(i)%is_Dipole = thisProperty
209 >          if (i_is_LJ .and. j_is_LJ) then
210 >             iHash = ior(iHash, LJ_PAIR)            
211 >          endif
212 >          
213 >          if (i_is_Elect .and. j_is_Elect) then
214 >             iHash = ior(iHash, ELECTROSTATIC_PAIR)
215 >          endif
216 >          
217 >          if (i_is_Sticky .and. j_is_Sticky) then
218 >             iHash = ior(iHash, STICKY_PAIR)
219 >          endif
220  
221 <       call getElementProperty(atypes, i, "is_Quadrupole", thisProperty)
222 <       PropertyMap(i)%is_Quadrupole = thisProperty
221 >          if (i_is_StickyP .and. j_is_StickyP) then
222 >             iHash = ior(iHash, STICKYPOWER_PAIR)
223 >          endif
224  
225 <       call getElementProperty(atypes, i, "is_Sticky", thisProperty)
226 <       PropertyMap(i)%is_Sticky = thisProperty
227 <      
203 <       call getElementProperty(atypes, i, "is_StickyPower", thisProperty)
204 <       PropertyMap(i)%is_StickyPower = thisProperty
225 >          if (i_is_EAM .and. j_is_EAM) then
226 >             iHash = ior(iHash, EAM_PAIR)
227 >          endif
228  
229 <       call getElementProperty(atypes, i, "is_GayBerne", thisProperty)
230 <       PropertyMap(i)%is_GayBerne = thisProperty
229 >          if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR)
230 >          if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ)
231 >          if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ)
232  
233 <       call getElementProperty(atypes, i, "is_EAM", thisProperty)
234 <       PropertyMap(i)%is_EAM = thisProperty
233 >          if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR)
234 >          if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ)
235 >          if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
236  
212       call getElementProperty(atypes, i, "is_Shape", thisProperty)
213       PropertyMap(i)%is_Shape = thisProperty
237  
238 <       call getElementProperty(atypes, i, "is_FLARB", thisProperty)
239 <       PropertyMap(i)%is_FLARB = thisProperty
238 >          InteractionHash(i,j) = iHash
239 >          InteractionHash(j,i) = iHash
240 >
241 >       end do
242 >
243      end do
244  
245 <    havePropertyMap = .true.
245 >    haveInteractionHash = .true.
246 >  end subroutine createInteractionHash
247  
248 <  end subroutine createPropertyMap
248 >  subroutine createGtypeCutoffMap(stat)
249  
250 +    integer, intent(out), optional :: stat
251 +    logical :: i_is_LJ
252 +    logical :: i_is_Elect
253 +    logical :: i_is_Sticky
254 +    logical :: i_is_StickyP
255 +    logical :: i_is_GB
256 +    logical :: i_is_EAM
257 +    logical :: i_is_Shape
258 +    logical :: GtypeFound
259 +
260 +    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
261 +    integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
262 +    integer :: nGroupsInRow
263 +    real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
264 +    real(kind=dp) :: biggestAtypeCutoff
265 +
266 +    stat = 0
267 +    if (.not. haveInteractionHash) then
268 +       call createInteractionHash(myStatus)      
269 +       if (myStatus .ne. 0) then
270 +          write(default_error, *) 'createInteractionHash failed in doForces!'
271 +          stat = -1
272 +          return
273 +       endif
274 +    endif
275 + #ifdef IS_MPI
276 +    nGroupsInRow = getNgroupsInRow(plan_group_row)
277 + #endif
278 +    nAtypes = getSize(atypes)
279 + ! Set all of the initial cutoffs to zero.
280 +    atypeMaxCutoff = 0.0_dp
281 +    do i = 1, nAtypes
282 +       if (SimHasAtype(i)) then    
283 +          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
284 +          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
285 +          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
286 +          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
287 +          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
288 +          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
289 +          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
290 +          
291 +
292 +          if (i_is_LJ) then
293 +             thisRcut = getSigma(i) * 2.5_dp
294 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
295 +          endif
296 +          if (i_is_Elect) then
297 +             thisRcut = defaultRcut
298 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
299 +          endif
300 +          if (i_is_Sticky) then
301 +             thisRcut = getStickyCut(i)
302 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
303 +          endif
304 +          if (i_is_StickyP) then
305 +             thisRcut = getStickyPowerCut(i)
306 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
307 +          endif
308 +          if (i_is_GB) then
309 +             thisRcut = getGayBerneCut(i)
310 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
311 +          endif
312 +          if (i_is_EAM) then
313 +             thisRcut = getEAMCut(i)
314 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
315 +          endif
316 +          if (i_is_Shape) then
317 +             thisRcut = getShapeCut(i)
318 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
319 +          endif
320 +          
321 +          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
322 +             biggestAtypeCutoff = atypeMaxCutoff(i)
323 +          endif
324 +       endif
325 +    enddo
326 +  
327 +    nGroupTypes = 0
328 +    
329 +    istart = 1
330 + #ifdef IS_MPI
331 +    iend = nGroupsInRow
332 + #else
333 +    iend = nGroups
334 + #endif
335 +    
336 +    !! allocate the groupToGtype and gtypeMaxCutoff here.
337 +    if(.not.allocated(groupToGtype)) then
338 +       allocate(groupToGtype(iend))
339 +       allocate(groupMaxCutoff(iend))
340 +       allocate(gtypeMaxCutoff(iend))
341 +       groupMaxCutoff = 0.0_dp
342 +       gtypeMaxCutoff = 0.0_dp
343 +    endif
344 +    !! first we do a single loop over the cutoff groups to find the
345 +    !! largest cutoff for any atypes present in this group.  We also
346 +    !! create gtypes at this point.
347 +    
348 +    tol = 1.0d-6
349 +    
350 +    do i = istart, iend      
351 +       n_in_i = groupStartRow(i+1) - groupStartRow(i)
352 +       groupMaxCutoff(i) = 0.0_dp
353 +       do ia = groupStartRow(i), groupStartRow(i+1)-1
354 +          atom1 = groupListRow(ia)
355 + #ifdef IS_MPI
356 +          me_i = atid_row(atom1)
357 + #else
358 +          me_i = atid(atom1)
359 + #endif          
360 +          if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
361 +             groupMaxCutoff(i)=atypeMaxCutoff(me_i)
362 +          endif          
363 +       enddo
364 +
365 +       if (nGroupTypes.eq.0) then
366 +          nGroupTypes = nGroupTypes + 1
367 +          gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
368 +          groupToGtype(i) = nGroupTypes
369 +       else
370 +          GtypeFound = .false.
371 +          do g = 1, nGroupTypes
372 +             if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
373 +                groupToGtype(i) = g
374 +                GtypeFound = .true.
375 +             endif
376 +          enddo
377 +          if (.not.GtypeFound) then            
378 +             nGroupTypes = nGroupTypes + 1
379 +             gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
380 +             groupToGtype(i) = nGroupTypes
381 +          endif
382 +       endif
383 +    enddo    
384 +
385 +    !! allocate the gtypeCutoffMap here.
386 +    allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
387 +    !! then we do a double loop over all the group TYPES to find the cutoff
388 +    !! map between groups of two types
389 +    
390 +    do i = 1, nGroupTypes
391 +       do j = 1, nGroupTypes
392 +      
393 +          select case(cutoffPolicy)
394 +          case(TRADITIONAL_CUTOFF_POLICY)
395 +             thisRcut = maxval(gtypeMaxCutoff)
396 +          case(MIX_CUTOFF_POLICY)
397 +             thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
398 +          case(MAX_CUTOFF_POLICY)
399 +             thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
400 +          case default
401 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
402 +             return
403 +          end select
404 +          gtypeCutoffMap(i,j)%rcut = thisRcut
405 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
406 +          skin = defaultRlist - defaultRcut
407 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
408 +
409 +       enddo
410 +    enddo
411 +    
412 +    haveGtypeCutoffMap = .true.
413 +   end subroutine createGtypeCutoffMap
414 +
415 +   subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
416 +     real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
417 +     integer, intent(in) :: cutPolicy
418 +
419 +     defaultRcut = defRcut
420 +     defaultRsw = defRsw
421 +     defaultRlist = defRlist
422 +     cutoffPolicy = cutPolicy
423 +     rcuti = 1.0_dp / defaultRcut
424 +   end subroutine setDefaultCutoffs
425 +
426 +   subroutine setCutoffPolicy(cutPolicy)
427 +
428 +     integer, intent(in) :: cutPolicy
429 +     cutoffPolicy = cutPolicy
430 +     call createGtypeCutoffMap()
431 +   end subroutine setCutoffPolicy
432 +    
433 +    
434    subroutine setSimVariables()
435      SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
225    SIM_uses_LennardJones = SimUsesLennardJones()
226    SIM_uses_Electrostatics = SimUsesElectrostatics()
227    SIM_uses_Charges = SimUsesCharges()
228    SIM_uses_Dipoles = SimUsesDipoles()
229    SIM_uses_Sticky = SimUsesSticky()
230    SIM_uses_StickyPower = SimUsesStickyPower()
231    SIM_uses_GayBerne = SimUsesGayBerne()
436      SIM_uses_EAM = SimUsesEAM()
233    SIM_uses_Shapes = SimUsesShapes()
234    SIM_uses_FLARB = SimUsesFLARB()
235    SIM_uses_RF = SimUsesRF()
437      SIM_requires_postpair_calc = SimRequiresPostpairCalc()
438      SIM_requires_prepair_calc = SimRequiresPrepairCalc()
439      SIM_uses_PBC = SimUsesPBC()
# Line 249 | Line 450 | contains
450  
451      error = 0
452  
453 <    if (.not. havePropertyMap) then
453 >    if (.not. haveInteractionHash) then      
454 >       myStatus = 0      
455 >       call createInteractionHash(myStatus)      
456 >       if (myStatus .ne. 0) then
457 >          write(default_error, *) 'createInteractionHash failed in doForces!'
458 >          error = -1
459 >          return
460 >       endif
461 >    endif
462  
463 <       myStatus = 0
464 <
465 <       call createPropertyMap(myStatus)
257 <
463 >    if (.not. haveGtypeCutoffMap) then        
464 >       myStatus = 0      
465 >       call createGtypeCutoffMap(myStatus)      
466         if (myStatus .ne. 0) then
467 <          write(default_error, *) 'createPropertyMap failed in doForces!'
467 >          write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
468            error = -1
469            return
470         endif
# Line 266 | Line 474 | contains
474         call setSimVariables()
475      endif
476  
477 <    if (.not. haveRlist) then
478 <       write(default_error, *) 'rList has not been set in doForces!'
479 <       error = -1
480 <       return
481 <    endif
477 >  !  if (.not. haveRlist) then
478 >  !     write(default_error, *) 'rList has not been set in doForces!'
479 >  !     error = -1
480 >  !     return
481 >  !  endif
482  
483      if (.not. haveNeighborList) then
484         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 295 | Line 503 | contains
503    end subroutine doReadyCheck
504  
505  
506 <  subroutine init_FF(use_RF_c, thisStat)
506 >  subroutine init_FF(thisESM, dampingAlpha, thisStat)
507  
508 <    logical, intent(in) :: use_RF_c
509 <
508 >    integer, intent(in) :: thisESM
509 >    real(kind=dp), intent(in) :: dampingAlpha
510      integer, intent(out) :: thisStat  
511      integer :: my_status, nMatches
512      integer, pointer :: MatchList(:) => null()
# Line 307 | Line 515 | contains
515      !! assume things are copacetic, unless they aren't
516      thisStat = 0
517  
518 <    !! Fortran's version of a cast:
311 <    FF_uses_RF = use_RF_c
518 >    electrostaticSummationMethod = thisESM
519  
520      !! init_FF is called *after* all of the atom types have been
521      !! defined in atype_module using the new_atype subroutine.
# Line 317 | Line 524 | contains
524      !! interactions are used by the force field.    
525  
526      FF_uses_DirectionalAtoms = .false.
320    FF_uses_LennardJones = .false.
321    FF_uses_Electrostatics = .false.
322    FF_uses_Charges = .false.    
527      FF_uses_Dipoles = .false.
324    FF_uses_Sticky = .false.
325    FF_uses_StickyPower = .false.
528      FF_uses_GayBerne = .false.
529      FF_uses_EAM = .false.
328    FF_uses_Shapes = .false.
329    FF_uses_FLARB = .false.
530  
531      call getMatchingElementList(atypes, "is_Directional", .true., &
532           nMatches, MatchList)
533      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
534  
335    call getMatchingElementList(atypes, "is_LennardJones", .true., &
336         nMatches, MatchList)
337    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
338
339    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
340         nMatches, MatchList)
341    if (nMatches .gt. 0) then
342       FF_uses_Electrostatics = .true.
343    endif
344
345    call getMatchingElementList(atypes, "is_Charge", .true., &
346         nMatches, MatchList)
347    if (nMatches .gt. 0) then
348       FF_uses_Charges = .true.  
349       FF_uses_Electrostatics = .true.
350    endif
351
535      call getMatchingElementList(atypes, "is_Dipole", .true., &
536           nMatches, MatchList)
537 <    if (nMatches .gt. 0) then
355 <       FF_uses_Dipoles = .true.
356 <       FF_uses_Electrostatics = .true.
357 <       FF_uses_DirectionalAtoms = .true.
358 <    endif
359 <
360 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
361 <         nMatches, MatchList)
362 <    if (nMatches .gt. 0) then
363 <       FF_uses_Quadrupoles = .true.
364 <       FF_uses_Electrostatics = .true.
365 <       FF_uses_DirectionalAtoms = .true.
366 <    endif
367 <
368 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
369 <         MatchList)
370 <    if (nMatches .gt. 0) then
371 <       FF_uses_Sticky = .true.
372 <       FF_uses_DirectionalAtoms = .true.
373 <    endif
374 <
375 <    call getMatchingElementList(atypes, "is_StickyPower", .true., nMatches, &
376 <         MatchList)
377 <    if (nMatches .gt. 0) then
378 <       FF_uses_StickyPower = .true.
379 <       FF_uses_DirectionalAtoms = .true.
380 <    endif
537 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
538      
539      call getMatchingElementList(atypes, "is_GayBerne", .true., &
540           nMatches, MatchList)
541 <    if (nMatches .gt. 0) then
385 <       FF_uses_GayBerne = .true.
386 <       FF_uses_DirectionalAtoms = .true.
387 <    endif
541 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
542  
543      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
544      if (nMatches .gt. 0) FF_uses_EAM = .true.
545  
392    call getMatchingElementList(atypes, "is_Shape", .true., &
393         nMatches, MatchList)
394    if (nMatches .gt. 0) then
395       FF_uses_Shapes = .true.
396       FF_uses_DirectionalAtoms = .true.
397    endif
546  
399    call getMatchingElementList(atypes, "is_FLARB", .true., &
400         nMatches, MatchList)
401    if (nMatches .gt. 0) FF_uses_FLARB = .true.
402
403    !! Assume sanity (for the sake of argument)
547      haveSaneForceField = .true.
548  
549 <    !! check to make sure the FF_uses_RF setting makes sense
549 >    !! check to make sure the reaction field setting makes sense
550  
551 <    if (FF_uses_dipoles) then
552 <       if (FF_uses_RF) then
551 >    if (FF_uses_Dipoles) then
552 >       if (electrostaticSummationMethod == 3) then
553            dielect = getDielect()
554            call initialize_rf(dielect)
555         endif
556      else
557 <       if (FF_uses_RF) then          
557 >       if (electrostaticSummationMethod == 3) then
558            write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
559            thisStat = -1
560            haveSaneForceField = .false.
# Line 419 | Line 562 | contains
562         endif
563      endif
564  
422    !sticky module does not contain check_sticky_FF anymore
423    !if (FF_uses_sticky) then
424    !   call check_sticky_FF(my_status)
425    !   if (my_status /= 0) then
426    !      thisStat = -1
427    !      haveSaneForceField = .false.
428    !      return
429    !   end if
430    !endif
431
565      if (FF_uses_EAM) then
566         call init_EAM_FF(my_status)
567         if (my_status /= 0) then
# Line 448 | Line 581 | contains
581         endif
582      endif
583  
451    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
452    endif
453
584      if (.not. haveNeighborList) then
585         !! Create neighbor lists
586         call expandNeighborList(nLocal, my_status)
# Line 514 | Line 644 | contains
644      integer :: localError
645      integer :: propPack_i, propPack_j
646      integer :: loopStart, loopEnd, loop
647 <
647 >    integer :: iHash
648      real(kind=dp) :: listSkin = 1.0  
649  
650      !! initialize local variables  
# Line 633 | Line 763 | contains
763               endif
764  
765   #ifdef IS_MPI
766 +             me_j = atid_col(j)
767               call get_interatomic_vector(q_group_Row(:,i), &
768                    q_group_Col(:,j), d_grp, rgrpsq)
769   #else
770 +             me_j = atid(j)
771               call get_interatomic_vector(q_group(:,i), &
772                    q_group(:,j), d_grp, rgrpsq)
773   #endif
774  
775 <             if (rgrpsq < rlistsq) then
775 >             if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
776                  if (update_nlist) then
777                     nlist = nlist + 1
778  
# Line 840 | Line 972 | contains
972  
973      if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
974  
975 <       if (FF_uses_RF .and. SIM_uses_RF) then
975 >       if (electrostaticSummationMethod == 3) then
976  
977   #ifdef IS_MPI
978            call scatter(rf_Row,rf,plan_atom_row_3d)
# Line 858 | Line 990 | contains
990   #else
991               me_i = atid(i)
992   #endif
993 <
994 <             if (PropertyMap(me_i)%is_Dipole) then
993 >             iHash = InteractionHash(me_i,me_j)
994 >            
995 >             if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
996  
997                  mu_i = getDipoleMoment(me_i)
998  
# Line 923 | Line 1056 | contains
1056      real ( kind = dp ), intent(inout) :: rijsq
1057      real ( kind = dp )                :: r
1058      real ( kind = dp ), intent(inout) :: d(3)
926    real ( kind = dp ) :: ebalance
1059      integer :: me_i, me_j
1060  
1061 +    integer :: iHash
1062 +
1063      r = sqrt(rijsq)
1064      vpair = 0.0d0
1065      fpair(1:3) = 0.0d0
# Line 938 | Line 1072 | contains
1072      me_j = atid(j)
1073   #endif
1074  
1075 <    !    write(*,*) i, j, me_i, me_j
1075 >    iHash = InteractionHash(me_i, me_j)
1076  
1077 <    if (FF_uses_LennardJones .and. SIM_uses_LennardJones) then
1078 <
945 <       if ( PropertyMap(me_i)%is_LennardJones .and. &
946 <            PropertyMap(me_j)%is_LennardJones ) then
947 <          call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
948 <       endif
949 <
1077 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1078 >       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1079      endif
1080  
1081 <    if (FF_uses_Electrostatics .and. SIM_uses_Electrostatics) then
1081 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1082 >       call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1083 >            pot, eFrame, f, t, do_pot)
1084  
1085 <       if (PropertyMap(me_i)%is_Electrostatic .and. &
955 <            PropertyMap(me_j)%is_Electrostatic) then
956 <          call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
957 <               pot, eFrame, f, t, do_pot)
958 <       endif
1085 >       if (electrostaticSummationMethod == 3) then
1086  
1087 <       if (FF_uses_dipoles .and. SIM_uses_dipoles) then      
1088 <          if ( PropertyMap(me_i)%is_Dipole .and. &
1089 <               PropertyMap(me_j)%is_Dipole) then
963 <             if (FF_uses_RF .and. SIM_uses_RF) then
964 <                call accumulate_rf(i, j, r, eFrame, sw)
965 <                call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
966 <             endif
967 <          endif
1087 >          ! CHECK ME (RF needs to know about all electrostatic types)
1088 >          call accumulate_rf(i, j, r, eFrame, sw)
1089 >          call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1090         endif
1091 +
1092      endif
1093  
1094 +    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1095 +       call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1096 +            pot, A, f, t, do_pot)
1097 +    endif
1098  
1099 <    if (FF_uses_Sticky .and. SIM_uses_sticky) then
1100 <
1101 <       if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then
975 <          call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
976 <               pot, A, f, t, do_pot)
977 <       endif
978 <
1099 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1100 >       call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1101 >            pot, A, f, t, do_pot)
1102      endif
1103  
1104 <    if (FF_uses_StickyPower .and. SIM_uses_stickypower) then
1105 <       if ( PropertyMap(me_i)%is_StickyPower .and. &
1106 <            PropertyMap(me_j)%is_StickyPower) then
984 <          call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
985 <               pot, A, f, t, do_pot)
986 <       endif
1104 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1105 >       call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1106 >            pot, A, f, t, do_pot)
1107      endif
1108      
1109 <    if (FF_uses_GayBerne .and. SIM_uses_GayBerne) then
1110 <
1111 <       if ( PropertyMap(me_i)%is_GayBerne .and. &
992 <            PropertyMap(me_j)%is_GayBerne) then
993 <          call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
994 <               pot, A, f, t, do_pot)
995 <       endif
996 <
1109 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1110 > !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1111 > !           pot, A, f, t, do_pot)
1112      endif
1113  
1114 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1115 <
1116 <       if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then
1002 <          call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1003 <               do_pot)
1004 <       endif
1005 <
1114 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1115 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1116 >            do_pot)
1117      endif
1118  
1119 <
1120 <    !    write(*,*) PropertyMap(me_i)%is_Shape,PropertyMap(me_j)%is_Shape
1121 <
1011 <    if (FF_uses_Shapes .and. SIM_uses_Shapes) then
1012 <       if ( PropertyMap(me_i)%is_Shape .and. &
1013 <            PropertyMap(me_j)%is_Shape ) then
1014 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1015 <               pot, A, f, t, do_pot)
1016 <       endif
1017 <       if ( (PropertyMap(me_i)%is_Shape .and. &
1018 <            PropertyMap(me_j)%is_LennardJones) .or. &
1019 <            (PropertyMap(me_i)%is_LennardJones .and. &
1020 <            PropertyMap(me_j)%is_Shape) ) then
1021 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1022 <               pot, A, f, t, do_pot)
1023 <       endif
1119 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1120 >       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1121 >            pot, A, f, t, do_pot)
1122      endif
1123  
1124 +    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1125 +       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1126 +            pot, A, f, t, do_pot)
1127 +    endif
1128 +    
1129    end subroutine do_pair
1130  
1131    subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
# Line 1040 | Line 1143 | contains
1143      real ( kind = dp )                :: r, rc
1144      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1145  
1146 <    logical :: is_EAM_i, is_EAM_j
1146 >    integer :: me_i, me_j, iHash
1147  
1045    integer :: me_i, me_j
1046
1047
1148      r = sqrt(rijsq)
1049    if (SIM_uses_molecular_cutoffs) then
1050       rc = sqrt(rcijsq)
1051    else
1052       rc = r
1053    endif
1149  
1055
1150   #ifdef IS_MPI  
1151      me_i = atid_row(i)
1152      me_j = atid_col(j)  
# Line 1061 | Line 1155 | contains
1155      me_j = atid(j)  
1156   #endif
1157  
1158 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1158 >    iHash = InteractionHash(me_i, me_j)
1159  
1160 <       if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) &
1160 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1161              call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1068
1162      endif
1163 <
1163 >    
1164    end subroutine do_prepair
1165  
1166  
# Line 1261 | Line 1354 | contains
1354  
1355    function FF_UsesDirectionalAtoms() result(doesit)
1356      logical :: doesit
1357 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1265 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1266 <         FF_uses_StickyPower .or. FF_uses_GayBerne .or. FF_uses_Shapes
1357 >    doesit = FF_uses_DirectionalAtoms
1358    end function FF_UsesDirectionalAtoms
1359  
1360    function FF_RequiresPrepairCalc() result(doesit)
# Line 1273 | Line 1364 | contains
1364  
1365    function FF_RequiresPostpairCalc() result(doesit)
1366      logical :: doesit
1367 <    doesit = FF_uses_RF
1367 >    if (electrostaticSummationMethod == 3) doesit = .true.
1368    end function FF_RequiresPostpairCalc
1369  
1370   #ifdef PROFILE

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