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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 2309 by chrisfen, Sun Sep 18 20:45:38 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 1.46 2005-09-18 20:45:38 chrisfen Exp $, $Date: 2005-09-18 20:45:38 $, $Name: not supported by cvs2svn $, $Revision: 1.46 $
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.
134 <     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 >  
138   contains
139  
140 <  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)
140 >  subroutine createInteractionHash(status)
141      integer :: nAtypes
142 <    integer :: status
142 >    integer, intent(out) :: status
143      integer :: i
144 <    logical :: thisProperty
145 <    real (kind=DP) :: thisDPproperty
144 >    integer :: j
145 >    integer :: iHash
146 >    !! Test Types
147 >    logical :: i_is_LJ
148 >    logical :: i_is_Elect
149 >    logical :: i_is_Sticky
150 >    logical :: i_is_StickyP
151 >    logical :: i_is_GB
152 >    logical :: i_is_EAM
153 >    logical :: i_is_Shape
154 >    logical :: j_is_LJ
155 >    logical :: j_is_Elect
156 >    logical :: j_is_Sticky
157 >    logical :: j_is_StickyP
158 >    logical :: j_is_GB
159 >    logical :: j_is_EAM
160 >    logical :: j_is_Shape
161 >    real(kind=dp) :: myRcut
162  
163 <    status = 0
163 >    status = 0  
164  
165 +    if (.not. associated(atypes)) then
166 +       call handleError("atype", "atypes was not present before call of createInteractionHash!")
167 +       status = -1
168 +       return
169 +    endif
170 +    
171      nAtypes = getSize(atypes)
172 <
172 >    
173      if (nAtypes == 0) then
174         status = -1
175         return
176      end if
177  
178 <    if (.not. allocated(PropertyMap)) then
179 <       allocate(PropertyMap(nAtypes))
178 >    if (.not. allocated(InteractionHash)) then
179 >       allocate(InteractionHash(nAtypes,nAtypes))
180      endif
181  
182 +    if (.not. allocated(atypeMaxCutoff)) then
183 +       allocate(atypeMaxCutoff(nAtypes))
184 +    endif
185 +        
186      do i = 1, nAtypes
187 <       call getElementProperty(atypes, i, "is_Directional", thisProperty)
188 <       PropertyMap(i)%is_Directional = thisProperty
187 >       call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
188 >       call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
189 >       call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
190 >       call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
191 >       call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
192 >       call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
193 >       call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
194  
195 <       call getElementProperty(atypes, i, "is_LennardJones", thisProperty)
186 <       PropertyMap(i)%is_LennardJones = thisProperty
195 >       do j = i, nAtypes
196  
197 <       call getElementProperty(atypes, i, "is_Electrostatic", thisProperty)
198 <       PropertyMap(i)%is_Electrostatic = thisProperty
197 >          iHash = 0
198 >          myRcut = 0.0_dp
199  
200 <       call getElementProperty(atypes, i, "is_Charge", thisProperty)
201 <       PropertyMap(i)%is_Charge = thisProperty
200 >          call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ)
201 >          call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect)
202 >          call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky)
203 >          call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP)
204 >          call getElementProperty(atypes, j, "is_GayBerne", j_is_GB)
205 >          call getElementProperty(atypes, j, "is_EAM", j_is_EAM)
206 >          call getElementProperty(atypes, j, "is_Shape", j_is_Shape)
207  
208 <       call getElementProperty(atypes, i, "is_Dipole", thisProperty)
209 <       PropertyMap(i)%is_Dipole = thisProperty
208 >          if (i_is_LJ .and. j_is_LJ) then
209 >             iHash = ior(iHash, LJ_PAIR)            
210 >          endif
211 >          
212 >          if (i_is_Elect .and. j_is_Elect) then
213 >             iHash = ior(iHash, ELECTROSTATIC_PAIR)
214 >          endif
215 >          
216 >          if (i_is_Sticky .and. j_is_Sticky) then
217 >             iHash = ior(iHash, STICKY_PAIR)
218 >          endif
219  
220 <       call getElementProperty(atypes, i, "is_Quadrupole", thisProperty)
221 <       PropertyMap(i)%is_Quadrupole = thisProperty
220 >          if (i_is_StickyP .and. j_is_StickyP) then
221 >             iHash = ior(iHash, STICKYPOWER_PAIR)
222 >          endif
223  
224 <       call getElementProperty(atypes, i, "is_Sticky", thisProperty)
225 <       PropertyMap(i)%is_Sticky = thisProperty
226 <      
203 <       call getElementProperty(atypes, i, "is_StickyPower", thisProperty)
204 <       PropertyMap(i)%is_StickyPower = thisProperty
224 >          if (i_is_EAM .and. j_is_EAM) then
225 >             iHash = ior(iHash, EAM_PAIR)
226 >          endif
227  
228 <       call getElementProperty(atypes, i, "is_GayBerne", thisProperty)
229 <       PropertyMap(i)%is_GayBerne = thisProperty
228 >          if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR)
229 >          if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ)
230 >          if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ)
231  
232 <       call getElementProperty(atypes, i, "is_EAM", thisProperty)
233 <       PropertyMap(i)%is_EAM = thisProperty
232 >          if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR)
233 >          if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ)
234 >          if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
235  
212       call getElementProperty(atypes, i, "is_Shape", thisProperty)
213       PropertyMap(i)%is_Shape = thisProperty
236  
237 <       call getElementProperty(atypes, i, "is_FLARB", thisProperty)
238 <       PropertyMap(i)%is_FLARB = thisProperty
237 >          InteractionHash(i,j) = iHash
238 >          InteractionHash(j,i) = iHash
239 >
240 >       end do
241 >
242      end do
243  
244 <    havePropertyMap = .true.
244 >    haveInteractionHash = .true.
245 >  end subroutine createInteractionHash
246  
247 <  end subroutine createPropertyMap
247 >  subroutine createGtypeCutoffMap(stat)
248  
249 +    integer, intent(out), optional :: stat
250 +    logical :: i_is_LJ
251 +    logical :: i_is_Elect
252 +    logical :: i_is_Sticky
253 +    logical :: i_is_StickyP
254 +    logical :: i_is_GB
255 +    logical :: i_is_EAM
256 +    logical :: i_is_Shape
257 +    logical :: GtypeFound
258 +
259 +    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
260 +    integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
261 +    integer :: nGroupsInRow
262 +    real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
263 +    real(kind=dp) :: biggestAtypeCutoff
264 +
265 +    stat = 0
266 +    if (.not. haveInteractionHash) then
267 +       call createInteractionHash(myStatus)      
268 +       if (myStatus .ne. 0) then
269 +          write(default_error, *) 'createInteractionHash failed in doForces!'
270 +          stat = -1
271 +          return
272 +       endif
273 +    endif
274 + #ifdef IS_MPI
275 +    nGroupsInRow = getNgroupsInRow(plan_group_row)
276 + #endif
277 +    nAtypes = getSize(atypes)
278 + ! Set all of the initial cutoffs to zero.
279 +    atypeMaxCutoff = 0.0_dp
280 +    do i = 1, nAtypes
281 +       if (SimHasAtype(i)) then    
282 +          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
283 +          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
284 +          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
285 +          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
286 +          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
287 +          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
288 +          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
289 +          
290 +
291 +          if (i_is_LJ) then
292 +             thisRcut = getSigma(i) * 2.5_dp
293 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
294 +          endif
295 +          if (i_is_Elect) then
296 +             thisRcut = defaultRcut
297 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
298 +          endif
299 +          if (i_is_Sticky) then
300 +             thisRcut = getStickyCut(i)
301 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
302 +          endif
303 +          if (i_is_StickyP) then
304 +             thisRcut = getStickyPowerCut(i)
305 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
306 +          endif
307 +          if (i_is_GB) then
308 +             thisRcut = getGayBerneCut(i)
309 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
310 +          endif
311 +          if (i_is_EAM) then
312 +             thisRcut = getEAMCut(i)
313 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
314 +          endif
315 +          if (i_is_Shape) then
316 +             thisRcut = getShapeCut(i)
317 +             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
318 +          endif
319 +          
320 +          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
321 +             biggestAtypeCutoff = atypeMaxCutoff(i)
322 +          endif
323 +       endif
324 +    enddo
325 +  
326 +    nGroupTypes = 0
327 +    
328 +    istart = 1
329 + #ifdef IS_MPI
330 +    iend = nGroupsInRow
331 + #else
332 +    iend = nGroups
333 + #endif
334 +    
335 +    !! allocate the groupToGtype and gtypeMaxCutoff here.
336 +    if(.not.allocated(groupToGtype)) then
337 +       allocate(groupToGtype(iend))
338 +       allocate(groupMaxCutoff(iend))
339 +       allocate(gtypeMaxCutoff(iend))
340 +       groupMaxCutoff = 0.0_dp
341 +       gtypeMaxCutoff = 0.0_dp
342 +    endif
343 +    !! first we do a single loop over the cutoff groups to find the
344 +    !! largest cutoff for any atypes present in this group.  We also
345 +    !! create gtypes at this point.
346 +    
347 +    tol = 1.0d-6
348 +    
349 +    do i = istart, iend      
350 +       n_in_i = groupStartRow(i+1) - groupStartRow(i)
351 +       groupMaxCutoff(i) = 0.0_dp
352 +       do ia = groupStartRow(i), groupStartRow(i+1)-1
353 +          atom1 = groupListRow(ia)
354 + #ifdef IS_MPI
355 +          me_i = atid_row(atom1)
356 + #else
357 +          me_i = atid(atom1)
358 + #endif          
359 +          if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
360 +             groupMaxCutoff(i)=atypeMaxCutoff(me_i)
361 +          endif          
362 +       enddo
363 +
364 +       if (nGroupTypes.eq.0) then
365 +          nGroupTypes = nGroupTypes + 1
366 +          gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
367 +          groupToGtype(i) = nGroupTypes
368 +       else
369 +          GtypeFound = .false.
370 +          do g = 1, nGroupTypes
371 +             if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
372 +                groupToGtype(i) = g
373 +                GtypeFound = .true.
374 +             endif
375 +          enddo
376 +          if (.not.GtypeFound) then            
377 +             nGroupTypes = nGroupTypes + 1
378 +             gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
379 +             groupToGtype(i) = nGroupTypes
380 +          endif
381 +       endif
382 +    enddo    
383 +
384 +    !! allocate the gtypeCutoffMap here.
385 +    allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
386 +    !! then we do a double loop over all the group TYPES to find the cutoff
387 +    !! map between groups of two types
388 +    
389 +    do i = 1, nGroupTypes
390 +       do j = 1, nGroupTypes
391 +      
392 +          select case(cutoffPolicy)
393 +          case(TRADITIONAL_CUTOFF_POLICY)
394 +             thisRcut = maxval(gtypeMaxCutoff)
395 +          case(MIX_CUTOFF_POLICY)
396 +             thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
397 +          case(MAX_CUTOFF_POLICY)
398 +             thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
399 +          case default
400 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
401 +             return
402 +          end select
403 +          gtypeCutoffMap(i,j)%rcut = thisRcut
404 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
405 +          skin = defaultRlist - defaultRcut
406 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
407 +
408 +       enddo
409 +    enddo
410 +    
411 +    haveGtypeCutoffMap = .true.
412 +   end subroutine createGtypeCutoffMap
413 +
414 +   subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
415 +     real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
416 +     integer, intent(in) :: cutPolicy
417 +
418 +     defaultRcut = defRcut
419 +     defaultRsw = defRsw
420 +     defaultRlist = defRlist
421 +     cutoffPolicy = cutPolicy
422 +   end subroutine setDefaultCutoffs
423 +
424 +   subroutine setCutoffPolicy(cutPolicy)
425 +
426 +     integer, intent(in) :: cutPolicy
427 +     cutoffPolicy = cutPolicy
428 +     call createGtypeCutoffMap()
429 +   end subroutine setCutoffPolicy
430 +    
431 +    
432    subroutine setSimVariables()
433      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()
434      SIM_uses_EAM = SimUsesEAM()
233    SIM_uses_Shapes = SimUsesShapes()
234    SIM_uses_FLARB = SimUsesFLARB()
235    SIM_uses_RF = SimUsesRF()
435      SIM_requires_postpair_calc = SimRequiresPostpairCalc()
436      SIM_requires_prepair_calc = SimRequiresPrepairCalc()
437      SIM_uses_PBC = SimUsesPBC()
# Line 249 | Line 448 | contains
448  
449      error = 0
450  
451 <    if (.not. havePropertyMap) then
451 >    if (.not. haveInteractionHash) then      
452 >       myStatus = 0      
453 >       call createInteractionHash(myStatus)      
454 >       if (myStatus .ne. 0) then
455 >          write(default_error, *) 'createInteractionHash failed in doForces!'
456 >          error = -1
457 >          return
458 >       endif
459 >    endif
460  
461 <       myStatus = 0
462 <
463 <       call createPropertyMap(myStatus)
257 <
461 >    if (.not. haveGtypeCutoffMap) then        
462 >       myStatus = 0      
463 >       call createGtypeCutoffMap(myStatus)      
464         if (myStatus .ne. 0) then
465 <          write(default_error, *) 'createPropertyMap failed in doForces!'
465 >          write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
466            error = -1
467            return
468         endif
# Line 266 | Line 472 | contains
472         call setSimVariables()
473      endif
474  
475 <    if (.not. haveRlist) then
476 <       write(default_error, *) 'rList has not been set in doForces!'
477 <       error = -1
478 <       return
479 <    endif
475 >  !  if (.not. haveRlist) then
476 >  !     write(default_error, *) 'rList has not been set in doForces!'
477 >  !     error = -1
478 >  !     return
479 >  !  endif
480  
481      if (.not. haveNeighborList) then
482         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 295 | Line 501 | contains
501    end subroutine doReadyCheck
502  
503  
504 <  subroutine init_FF(use_RF_c, thisStat)
504 >  subroutine init_FF(thisESM, thisStat)
505  
506 <    logical, intent(in) :: use_RF_c
507 <
506 >    integer, intent(in) :: thisESM
507 >    real(kind=dp), intent(in) :: dampingAlpha
508      integer, intent(out) :: thisStat  
509      integer :: my_status, nMatches
510      integer, pointer :: MatchList(:) => null()
# Line 307 | Line 513 | contains
513      !! assume things are copacetic, unless they aren't
514      thisStat = 0
515  
516 <    !! Fortran's version of a cast:
311 <    FF_uses_RF = use_RF_c
516 >    electrostaticSummationMethod = thisESM
517  
518      !! init_FF is called *after* all of the atom types have been
519      !! defined in atype_module using the new_atype subroutine.
# Line 317 | Line 522 | contains
522      !! interactions are used by the force field.    
523  
524      FF_uses_DirectionalAtoms = .false.
320    FF_uses_LennardJones = .false.
321    FF_uses_Electrostatics = .false.
322    FF_uses_Charges = .false.    
525      FF_uses_Dipoles = .false.
324    FF_uses_Sticky = .false.
325    FF_uses_StickyPower = .false.
526      FF_uses_GayBerne = .false.
527      FF_uses_EAM = .false.
328    FF_uses_Shapes = .false.
329    FF_uses_FLARB = .false.
528  
529      call getMatchingElementList(atypes, "is_Directional", .true., &
530           nMatches, MatchList)
531      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
532  
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
533      call getMatchingElementList(atypes, "is_Dipole", .true., &
534           nMatches, MatchList)
535 <    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
535 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
536      
537      call getMatchingElementList(atypes, "is_GayBerne", .true., &
538           nMatches, MatchList)
539 <    if (nMatches .gt. 0) then
385 <       FF_uses_GayBerne = .true.
386 <       FF_uses_DirectionalAtoms = .true.
387 <    endif
539 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
540  
541      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
542      if (nMatches .gt. 0) FF_uses_EAM = .true.
543  
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
544  
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)
545      haveSaneForceField = .true.
546  
547 <    !! check to make sure the FF_uses_RF setting makes sense
547 >    !! check to make sure the reaction field setting makes sense
548  
549 <    if (FF_uses_dipoles) then
550 <       if (FF_uses_RF) then
549 >    if (FF_uses_Dipoles) then
550 >       if (electrostaticSummationMethod == 3) then
551            dielect = getDielect()
552            call initialize_rf(dielect)
553         endif
554      else
555 <       if (FF_uses_RF) then          
555 >       if (electrostaticSummationMethod == 3) then
556            write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
557            thisStat = -1
558            haveSaneForceField = .false.
# Line 419 | Line 560 | contains
560         endif
561      endif
562  
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
563      if (FF_uses_EAM) then
564         call init_EAM_FF(my_status)
565         if (my_status /= 0) then
# Line 446 | Line 577 | contains
577            haveSaneForceField = .false.
578            return
579         endif
449    endif
450
451    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
580      endif
581  
582      if (.not. haveNeighborList) then
# Line 514 | Line 642 | contains
642      integer :: localError
643      integer :: propPack_i, propPack_j
644      integer :: loopStart, loopEnd, loop
645 <
645 >    integer :: iHash
646      real(kind=dp) :: listSkin = 1.0  
647  
648      !! initialize local variables  
# Line 633 | Line 761 | contains
761               endif
762  
763   #ifdef IS_MPI
764 +             me_j = atid_col(j)
765               call get_interatomic_vector(q_group_Row(:,i), &
766                    q_group_Col(:,j), d_grp, rgrpsq)
767   #else
768 +             me_j = atid(j)
769               call get_interatomic_vector(q_group(:,i), &
770                    q_group(:,j), d_grp, rgrpsq)
771   #endif
772  
773 <             if (rgrpsq < rlistsq) then
773 >             if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
774                  if (update_nlist) then
775                     nlist = nlist + 1
776  
# Line 840 | Line 970 | contains
970  
971      if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
972  
973 <       if (FF_uses_RF .and. SIM_uses_RF) then
973 >       if (electrostaticSummationMethod == 3) then
974  
975   #ifdef IS_MPI
976            call scatter(rf_Row,rf,plan_atom_row_3d)
# Line 858 | Line 988 | contains
988   #else
989               me_i = atid(i)
990   #endif
991 <
992 <             if (PropertyMap(me_i)%is_Dipole) then
991 >             iHash = InteractionHash(me_i,me_j)
992 >            
993 >             if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
994  
995                  mu_i = getDipoleMoment(me_i)
996  
# Line 923 | Line 1054 | contains
1054      real ( kind = dp ), intent(inout) :: rijsq
1055      real ( kind = dp )                :: r
1056      real ( kind = dp ), intent(inout) :: d(3)
926    real ( kind = dp ) :: ebalance
1057      integer :: me_i, me_j
1058  
1059 +    integer :: iHash
1060 +
1061      r = sqrt(rijsq)
1062      vpair = 0.0d0
1063      fpair(1:3) = 0.0d0
# Line 938 | Line 1070 | contains
1070      me_j = atid(j)
1071   #endif
1072  
1073 <    !    write(*,*) i, j, me_i, me_j
1073 >    iHash = InteractionHash(me_i, me_j)
1074  
1075 <    if (FF_uses_LennardJones .and. SIM_uses_LennardJones) then
1076 <
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 <
1075 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1076 >       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1077      endif
1078  
1079 <    if (FF_uses_Electrostatics .and. SIM_uses_Electrostatics) then
1079 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1080 >       call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1081 >            pot, eFrame, f, t, do_pot)
1082  
1083 <       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
1083 >       if (electrostaticSummationMethod == 3) then
1084  
1085 <       if (FF_uses_dipoles .and. SIM_uses_dipoles) then      
1086 <          if ( PropertyMap(me_i)%is_Dipole .and. &
1087 <               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
1085 >          ! CHECK ME (RF needs to know about all electrostatic types)
1086 >          call accumulate_rf(i, j, r, eFrame, sw)
1087 >          call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1088         endif
1089 +
1090      endif
1091  
1092 +    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1093 +       call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1094 +            pot, A, f, t, do_pot)
1095 +    endif
1096  
1097 <    if (FF_uses_Sticky .and. SIM_uses_sticky) then
1098 <
1099 <       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 <
1097 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1098 >       call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1099 >            pot, A, f, t, do_pot)
1100      endif
1101  
1102 <    if (FF_uses_StickyPower .and. SIM_uses_stickypower) then
1103 <       if ( PropertyMap(me_i)%is_StickyPower .and. &
1104 <            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
1102 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1103 >       call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1104 >            pot, A, f, t, do_pot)
1105      endif
1106      
1107 <    if (FF_uses_GayBerne .and. SIM_uses_GayBerne) then
1108 <
1109 <       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 <
1107 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1108 > !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1109 > !           pot, A, f, t, do_pot)
1110      endif
1111  
1112 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1113 <
1114 <       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 <
1112 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1113 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1114 >            do_pot)
1115      endif
1116  
1117 <
1118 <    !    write(*,*) PropertyMap(me_i)%is_Shape,PropertyMap(me_j)%is_Shape
1119 <
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
1117 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1118 >       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1119 >            pot, A, f, t, do_pot)
1120      endif
1121  
1122 +    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1123 +       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1124 +            pot, A, f, t, do_pot)
1125 +    endif
1126 +    
1127    end subroutine do_pair
1128  
1129    subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
# Line 1040 | Line 1141 | contains
1141      real ( kind = dp )                :: r, rc
1142      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1143  
1144 <    logical :: is_EAM_i, is_EAM_j
1144 >    integer :: me_i, me_j, iHash
1145  
1045    integer :: me_i, me_j
1046
1047
1146      r = sqrt(rijsq)
1049    if (SIM_uses_molecular_cutoffs) then
1050       rc = sqrt(rcijsq)
1051    else
1052       rc = r
1053    endif
1147  
1055
1148   #ifdef IS_MPI  
1149      me_i = atid_row(i)
1150      me_j = atid_col(j)  
# Line 1061 | Line 1153 | contains
1153      me_j = atid(j)  
1154   #endif
1155  
1156 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1156 >    iHash = InteractionHash(me_i, me_j)
1157  
1158 <       if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) &
1158 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1159              call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1068
1160      endif
1161 <
1161 >    
1162    end subroutine do_prepair
1163  
1164  
# Line 1261 | Line 1352 | contains
1352  
1353    function FF_UsesDirectionalAtoms() result(doesit)
1354      logical :: doesit
1355 <    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
1355 >    doesit = FF_uses_DirectionalAtoms
1356    end function FF_UsesDirectionalAtoms
1357  
1358    function FF_RequiresPrepairCalc() result(doesit)
# Line 1273 | Line 1362 | contains
1362  
1363    function FF_RequiresPostpairCalc() result(doesit)
1364      logical :: doesit
1365 <    doesit = FF_uses_RF
1365 >    if (electrostaticSummationMethod == 3) doesit = .true.
1366    end function FF_RequiresPostpairCalc
1367  
1368   #ifdef PROFILE

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