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Comparing trunk/OOPSE-4/src/UseTheForce/doForces.F90 (file contents):
Revision 2269 by chuckv, Tue Aug 9 19:40:56 2005 UTC vs.
Revision 2461 by gezelter, Mon Nov 21 22:59:02 2005 UTC

# Line 45 | Line 45
45  
46   !! @author Charles F. Vardeman II
47   !! @author Matthew Meineke
48 < !! @version $Id: doForces.F90,v 1.27 2005-08-09 19:40:56 chuckv Exp $, $Date: 2005-08-09 19:40:56 $, $Name: not supported by cvs2svn $, $Revision: 1.27 $
48 > !! @version $Id: doForces.F90,v 1.69 2005-11-21 22:58:35 gezelter Exp $, $Date: 2005-11-21 22:58:35 $, $Name: not supported by cvs2svn $, $Revision: 1.69 $
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
62 <  use gb_pair
61 >  use gayberne
62    use shapes
63    use vector_class
64    use eam
65 +  use suttonchen
66    use status
67   #ifdef IS_MPI
68    use mpiSimulation
# 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 :: haveSkinThickness = .false.
91 >  logical, save :: haveElectrostaticSummationMethod = .false.
92 >  logical, save :: haveCutoffPolicy = .false.
93 >  logical, save :: VisitCutoffsAfterComputing = .false.
94  
95    logical, save :: FF_uses_DirectionalAtoms
88  logical, save :: FF_uses_LennardJones
89  logical, save :: FF_uses_Electrostatics
90  logical, save :: FF_uses_Charges
96    logical, save :: FF_uses_Dipoles
92  logical, save :: FF_uses_Quadrupoles
93  logical, save :: FF_uses_Sticky
94  logical, save :: FF_uses_StickyPower
97    logical, save :: FF_uses_GayBerne
98    logical, save :: FF_uses_EAM
99 <  logical, save :: FF_uses_Shapes
100 <  logical, save :: FF_uses_FLARB
101 <  logical, save :: FF_uses_RF
99 >  logical, save :: FF_uses_SC
100 >  logical, save :: FF_uses_MEAM
101 >
102  
103    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
104    logical, save :: SIM_uses_EAM
105 <  logical, save :: SIM_uses_Shapes
106 <  logical, save :: SIM_uses_FLARB
113 <  logical, save :: SIM_uses_RF
105 >  logical, save :: SIM_uses_SC
106 >  logical, save :: SIM_uses_MEAM
107    logical, save :: SIM_requires_postpair_calc
108    logical, save :: SIM_requires_prepair_calc
109    logical, save :: SIM_uses_PBC
117  logical, save :: SIM_uses_molecular_cutoffs
110  
111 +  integer, save :: electrostaticSummationMethod
112 +  integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY
113  
114 +  real(kind=dp), save :: defaultRcut, defaultRsw, largestRcut
115 +  real(kind=dp), save :: skinThickness
116 +  logical, save :: defaultDoShift
117 +
118    public :: init_FF
119 +  public :: setCutoffs
120 +  public :: cWasLame
121 +  public :: setElectrostaticMethod
122 +  public :: setCutoffPolicy
123 +  public :: setSkinThickness
124    public :: do_force_loop
122 !  public :: setRlistDF
123  !public :: addInteraction
124  !public :: setInteractionHash
125  !public :: getInteractionHash
126  public :: createInteractionMap
127  public :: createGroupCutoffs
125  
126   #ifdef PROFILE
127    public :: getforcetime
# Line 133 | Line 130 | module doForces
130    integer :: nLoops
131   #endif
132    
133 < !! Variables for cutoff mapping and interaction mapping
134 < ! Bit hash to determine pair-pair interactions.
135 <  integer, dimension(:,:),allocatable :: InteractionHash
136 < !! Cuttoffs in OOPSE are handled on a Group-Group pair basis.
137 < ! Largest cutoff for atypes for all potentials
138 <  real(kind=dp), dimension(:), allocatable :: atypeMaxCuttoff
142 < ! Largest cutoff for groups
143 <  real(kind=dp), dimension(:), allocatable :: groupMaxCutoff
144 < ! Group to Gtype transformation Map
145 <  integer,dimension(:), allocatable :: groupToGtype
146 < ! Group Type Max Cutoff
147 <  real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff
148 < ! GroupType definition
149 <  type ::gtype
150 <     real(kind=dp) :: rcut ! Group Cutoff
151 <     real(kind=dp) :: rcutsq ! Group Cutoff Squared
152 <     real(kind=dp) :: rlistsq ! List cutoff Squared    
153 <  end type gtype
133 >  !! Variables for cutoff mapping and interaction mapping
134 >  ! Bit hash to determine pair-pair interactions.
135 >  integer, dimension(:,:), allocatable :: InteractionHash
136 >  real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
137 >  real(kind=dp), dimension(:), allocatable, target :: groupMaxCutoffRow
138 >  real(kind=dp), dimension(:), pointer :: groupMaxCutoffCol
139  
140 <  type(gtype), dimension(:,:), allocatable :: gtypeCutoffMap
141 <  
140 >  integer, dimension(:), allocatable, target :: groupToGtypeRow
141 >  integer, dimension(:), pointer :: groupToGtypeCol => null()
142 >
143 >  real(kind=dp), dimension(:), allocatable,target :: gtypeMaxCutoffRow
144 >  real(kind=dp), dimension(:), pointer :: gtypeMaxCutoffCol
145 >  type ::gtypeCutoffs
146 >     real(kind=dp) :: rcut
147 >     real(kind=dp) :: rcutsq
148 >     real(kind=dp) :: rlistsq
149 >  end type gtypeCutoffs
150 >  type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap
151 >
152   contains
153  
154 <
160 <  subroutine createInteractionMap(status)
154 >  subroutine createInteractionHash()
155      integer :: nAtypes
162    integer, intent(out) :: status
156      integer :: i
157      integer :: j
158 <    integer :: ihash
166 <    real(kind=dp) :: myRcut
158 >    integer :: iHash
159      !! Test Types
160      logical :: i_is_LJ
161      logical :: i_is_Elect
# Line 172 | Line 164 | contains
164      logical :: i_is_GB
165      logical :: i_is_EAM
166      logical :: i_is_Shape
167 +    logical :: i_is_SC
168 +    logical :: i_is_MEAM
169      logical :: j_is_LJ
170      logical :: j_is_Elect
171      logical :: j_is_Sticky
# Line 179 | Line 173 | contains
173      logical :: j_is_GB
174      logical :: j_is_EAM
175      logical :: j_is_Shape
176 <    
177 <    status = 0  
176 >    logical :: j_is_SC
177 >    logical :: j_is_MEAM
178 >    real(kind=dp) :: myRcut
179  
180      if (.not. associated(atypes)) then
181 <       call handleError("atype", "atypes was not present before call of createDefaultInteractionHash!")
187 <       status = -1
181 >       call handleError("doForces", "atypes was not present before call of createInteractionHash!")
182         return
183      endif
184      
185      nAtypes = getSize(atypes)
186      
187      if (nAtypes == 0) then
188 <       status = -1
188 >       call handleError("doForces", "nAtypes was zero during call of createInteractionHash!")
189         return
190      end if
191  
192      if (.not. allocated(InteractionHash)) then
193         allocate(InteractionHash(nAtypes,nAtypes))
194 +    else
195 +       deallocate(InteractionHash)
196 +       allocate(InteractionHash(nAtypes,nAtypes))
197      endif
198 +
199 +    if (.not. allocated(atypeMaxCutoff)) then
200 +       allocate(atypeMaxCutoff(nAtypes))
201 +    else
202 +       deallocate(atypeMaxCutoff)
203 +       allocate(atypeMaxCutoff(nAtypes))
204 +    endif
205          
206      do i = 1, nAtypes
207         call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
# Line 207 | Line 211 | contains
211         call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
212         call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
213         call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
214 +       call getElementProperty(atypes, i, "is_SC", i_is_SC)
215 +       call getElementProperty(atypes, i, "is_MEAM", i_is_MEAM)
216  
217         do j = i, nAtypes
218  
# Line 220 | Line 226 | contains
226            call getElementProperty(atypes, j, "is_GayBerne", j_is_GB)
227            call getElementProperty(atypes, j, "is_EAM", j_is_EAM)
228            call getElementProperty(atypes, j, "is_Shape", j_is_Shape)
229 +          call getElementProperty(atypes, j, "is_SC", j_is_SC)
230 +          call getElementProperty(atypes, j, "is_MEAM", j_is_MEAM)
231  
232            if (i_is_LJ .and. j_is_LJ) then
233               iHash = ior(iHash, LJ_PAIR)            
# Line 241 | Line 249 | contains
249               iHash = ior(iHash, EAM_PAIR)
250            endif
251  
252 +          if (i_is_SC .and. j_is_SC) then
253 +             iHash = ior(iHash, SC_PAIR)
254 +          endif
255 +
256            if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR)
257            if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ)
258            if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ)
# Line 257 | Line 269 | contains
269  
270      end do
271  
272 <    haveInteractionMap = .true.
273 <  end subroutine createInteractionMap
272 >    haveInteractionHash = .true.
273 >  end subroutine createInteractionHash
274  
275 <  subroutine createGroupCutoffs(skinThickness,defaultrList,stat)
264 <    real(kind=dp), intent(in), optional :: defaultRList
265 <    real(kind-dp), intent(in), :: skinThickenss
266 <  ! Query each potential and return the cutoff for that potential. We
267 <  ! build the neighbor list based on the largest cutoff value for that
268 <  ! atype. Each potential can decide whether to calculate the force for
269 <  ! that atype based upon it's own cutoff.
270 <  
275 >  subroutine createGtypeCutoffMap()
276  
277 <    real(kind=dp), intent(in), optional :: defaultRCut, defaultSkinThickness
277 >    logical :: i_is_LJ
278 >    logical :: i_is_Elect
279 >    logical :: i_is_Sticky
280 >    logical :: i_is_StickyP
281 >    logical :: i_is_GB
282 >    logical :: i_is_EAM
283 >    logical :: i_is_Shape
284 >    logical :: GtypeFound
285  
286 <    integer :: iMap
287 <    integer :: map_i,map_j
288 <    real(kind=dp) :: thisRCut = 0.0_dp
289 <    real(kind=dp) :: actualCutoff = 0.0_dp
290 <    integer, intent(out) :: stat
291 <    integer :: nAtypes
292 <    integer :: myStatus
286 >    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
287 >    integer :: n_in_i, me_i, ia, g, atom1, ja, n_in_j,me_j
288 >    integer :: nGroupsInRow
289 >    integer :: nGroupsInCol
290 >    integer :: nGroupTypesRow,nGroupTypesCol
291 >    real(kind=dp):: thisSigma, bigSigma, thisRcut, tradRcut, tol
292 >    real(kind=dp) :: biggestAtypeCutoff
293  
294 <    stat = 0
295 <    if (.not. haveInteractionMap) then
284 <
285 <       call createInteractionMap(myStatus)
286 <
287 <       if (myStatus .ne. 0) then
288 <          write(default_error, *) 'createInteractionMap failed in doForces!'
289 <          stat = -1
290 <          return
291 <       endif
294 >    if (.not. haveInteractionHash) then
295 >       call createInteractionHash()      
296      endif
297 <
297 > #ifdef IS_MPI
298 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
299 >    nGroupsInCol = getNgroupsInCol(plan_group_col)
300 > #endif
301      nAtypes = getSize(atypes)
302 <    !! If we pass a default rcut, set all atypes to that cutoff distance
303 <    if(present(defaultRList)) then
304 <       InteractionMap(:,:)%rCut = defaultRCut
305 <       InteractionMap(:,:)%rCutSq = defaultRCut*defaultRCut
306 <       InteractionMap(:,:)%rListSq = (defaultRCut+defaultSkinThickness)**2
307 <       haveRlist = .true.
308 <       return
309 <    end if
310 <
311 <    do map_i = 1,nAtypes
312 <       do map_j = map_i,nAtypes
306 <          iMap = InteractionMap(map_i, map_j)%InteractionHash
302 > ! Set all of the initial cutoffs to zero.
303 >    atypeMaxCutoff = 0.0_dp
304 >    do i = 1, nAtypes
305 >       if (SimHasAtype(i)) then    
306 >          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
307 >          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
308 >          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
309 >          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
310 >          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
311 >          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
312 >          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
313            
314 <          if ( iand(iMap, LJ_PAIR).ne.0 ) then
315 <             ! thisRCut = getLJCutOff(map_i,map_j)
316 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
314 >
315 >          if (haveDefaultCutoffs) then
316 >             atypeMaxCutoff(i) = defaultRcut
317 >          else
318 >             if (i_is_LJ) then          
319 >                thisRcut = getSigma(i) * 2.5_dp
320 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
321 >             endif
322 >             if (i_is_Elect) then
323 >                thisRcut = defaultRcut
324 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
325 >             endif
326 >             if (i_is_Sticky) then
327 >                thisRcut = getStickyCut(i)
328 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
329 >             endif
330 >             if (i_is_StickyP) then
331 >                thisRcut = getStickyPowerCut(i)
332 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
333 >             endif
334 >             if (i_is_GB) then
335 >                thisRcut = getGayBerneCut(i)
336 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
337 >             endif
338 >             if (i_is_EAM) then
339 >                thisRcut = getEAMCut(i)
340 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
341 >             endif
342 >             if (i_is_Shape) then
343 >                thisRcut = getShapeCut(i)
344 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
345 >             endif
346            endif
347 <          
348 <          if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
349 <             ! thisRCut = getElectrostaticCutOff(map_i,map_j)
315 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
347 >                    
348 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
349 >             biggestAtypeCutoff = atypeMaxCutoff(i)
350            endif
317          
318          if ( iand(iMap, STICKY_PAIR).ne.0 ) then
319             ! thisRCut = getStickyCutOff(map_i,map_j)
320              if (thisRcut > actualCutoff) actualCutoff = thisRcut
321           endif
322          
323           if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
324              ! thisRCut = getStickyPowerCutOff(map_i,map_j)
325              if (thisRcut > actualCutoff) actualCutoff = thisRcut
326           endif
327          
328           if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
329              ! thisRCut = getGayberneCutOff(map_i,map_j)
330              if (thisRcut > actualCutoff) actualCutoff = thisRcut
331           endif
332          
333           if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
334 !              thisRCut = getGaybrneLJCutOff(map_i,map_j)
335              if (thisRcut > actualCutoff) actualCutoff = thisRcut
336           endif
337          
338           if ( iand(iMap, EAM_PAIR).ne.0 ) then      
339 !              thisRCut = getEAMCutOff(map_i,map_j)
340              if (thisRcut > actualCutoff) actualCutoff = thisRcut
341           endif
342          
343           if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
344 !              thisRCut = getShapeCutOff(map_i,map_j)
345              if (thisRcut > actualCutoff) actualCutoff = thisRcut
346           endif
347          
348           if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
349 !              thisRCut = getShapeLJCutOff(map_i,map_j)
350              if (thisRcut > actualCutoff) actualCutoff = thisRcut
351           endif
352           InteractionMap(map_i, map_j)%rCut = actualCutoff
353           InteractionMap(map_i, map_j)%rCutSq = actualCutoff * actualCutoff
354           InteractionMap(map_i, map_j)%rListSq = (actualCutoff + skinThickness)**2
351  
352 <           InteractionMap(map_j, map_i)%rCut = InteractionMap(map_i, map_j)%rCut
353 <           InteractionMap(map_j, map_i)%rCutSq = InteractionMap(map_i, map_j)%rCutSq
354 <           InteractionMap(map_j, map_i)%rListSq = InteractionMap(map_i, map_j)%rListSq
355 <        end do
356 <     end do
357 <     ! now the groups
352 >       endif
353 >    enddo
354 >    
355 >    istart = 1
356 >    jstart = 1
357 > #ifdef IS_MPI
358 >    iend = nGroupsInRow
359 >    jend = nGroupsInCol
360 > #else
361 >    iend = nGroups
362 >    jend = nGroups
363 > #endif
364 >    
365 >    !! allocate the groupToGtype and gtypeMaxCutoff here.
366 >    if(.not.allocated(groupToGtypeRow)) then
367 >     !  allocate(groupToGtype(iend))
368 >       allocate(groupToGtypeRow(iend))
369 >    else
370 >       deallocate(groupToGtypeRow)
371 >       allocate(groupToGtypeRow(iend))
372 >    endif
373 >    if(.not.allocated(groupMaxCutoffRow)) then
374 >       allocate(groupMaxCutoffRow(iend))
375 >    else
376 >       deallocate(groupMaxCutoffRow)
377 >       allocate(groupMaxCutoffRow(iend))
378 >    end if
379  
380 +    if(.not.allocated(gtypeMaxCutoffRow)) then
381 +       allocate(gtypeMaxCutoffRow(iend))
382 +    else
383 +       deallocate(gtypeMaxCutoffRow)
384 +       allocate(gtypeMaxCutoffRow(iend))
385 +    endif
386  
387  
388 <     haveRlist = .true.
389 <   end subroutine createGroupCutoffs
388 > #ifdef IS_MPI
389 >       ! We only allocate new storage if we are in MPI because Ncol /= Nrow
390 >    if(.not.associated(groupToGtypeCol)) then
391 >       allocate(groupToGtypeCol(jend))
392 >    else
393 >       deallocate(groupToGtypeCol)
394 >       allocate(groupToGtypeCol(jend))
395 >    end if
396  
397 <  subroutine setSimVariables()
398 <    SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
399 <    SIM_uses_LennardJones = SimUsesLennardJones()
400 <    SIM_uses_Electrostatics = SimUsesElectrostatics()
401 <    SIM_uses_Charges = SimUsesCharges()
402 <    SIM_uses_Dipoles = SimUsesDipoles()
403 <    SIM_uses_Sticky = SimUsesSticky()
404 <    SIM_uses_StickyPower = SimUsesStickyPower()
405 <    SIM_uses_GayBerne = SimUsesGayBerne()
406 <    SIM_uses_EAM = SimUsesEAM()
407 <    SIM_uses_Shapes = SimUsesShapes()
408 <    SIM_uses_FLARB = SimUsesFLARB()
380 <    SIM_uses_RF = SimUsesRF()
381 <    SIM_requires_postpair_calc = SimRequiresPostpairCalc()
382 <    SIM_requires_prepair_calc = SimRequiresPrepairCalc()
383 <    SIM_uses_PBC = SimUsesPBC()
397 >    if(.not.associated(groupToGtypeCol)) then
398 >       allocate(groupToGtypeCol(jend))
399 >    else
400 >       deallocate(groupToGtypeCol)
401 >       allocate(groupToGtypeCol(jend))
402 >    end if
403 >    if(.not.associated(gtypeMaxCutoffCol)) then
404 >       allocate(gtypeMaxCutoffCol(jend))
405 >    else
406 >       deallocate(gtypeMaxCutoffCol)      
407 >       allocate(gtypeMaxCutoffCol(jend))
408 >    end if
409  
410 <    haveSIMvariables = .true.
410 >       groupMaxCutoffCol = 0.0_dp
411 >       gtypeMaxCutoffCol = 0.0_dp
412  
413 <    return
414 <  end subroutine setSimVariables
413 > #endif
414 >       groupMaxCutoffRow = 0.0_dp
415 >       gtypeMaxCutoffRow = 0.0_dp
416  
417 +
418 +    !! first we do a single loop over the cutoff groups to find the
419 +    !! largest cutoff for any atypes present in this group.  We also
420 +    !! create gtypes at this point.
421 +    
422 +    tol = 1.0d-6
423 +    nGroupTypesRow = 0
424 +
425 +    do i = istart, iend      
426 +       n_in_i = groupStartRow(i+1) - groupStartRow(i)
427 +       groupMaxCutoffRow(i) = 0.0_dp
428 +       do ia = groupStartRow(i), groupStartRow(i+1)-1
429 +          atom1 = groupListRow(ia)
430 + #ifdef IS_MPI
431 +          me_i = atid_row(atom1)
432 + #else
433 +          me_i = atid(atom1)
434 + #endif          
435 +          if (atypeMaxCutoff(me_i).gt.groupMaxCutoffRow(i)) then
436 +             groupMaxCutoffRow(i)=atypeMaxCutoff(me_i)
437 +          endif          
438 +       enddo
439 +
440 +       if (nGroupTypesRow.eq.0) then
441 +          nGroupTypesRow = nGroupTypesRow + 1
442 +          gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i)
443 +          groupToGtypeRow(i) = nGroupTypesRow
444 +       else
445 +          GtypeFound = .false.
446 +          do g = 1, nGroupTypesRow
447 +             if ( abs(groupMaxCutoffRow(i) - gtypeMaxCutoffRow(g)).lt.tol) then
448 +                groupToGtypeRow(i) = g
449 +                GtypeFound = .true.
450 +             endif
451 +          enddo
452 +          if (.not.GtypeFound) then            
453 +             nGroupTypesRow = nGroupTypesRow + 1
454 +             gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i)
455 +             groupToGtypeRow(i) = nGroupTypesRow
456 +          endif
457 +       endif
458 +    enddo    
459 +
460 + #ifdef IS_MPI
461 +    do j = jstart, jend      
462 +       n_in_j = groupStartCol(j+1) - groupStartCol(j)
463 +       groupMaxCutoffCol(j) = 0.0_dp
464 +       do ja = groupStartCol(j), groupStartCol(j+1)-1
465 +          atom1 = groupListCol(ja)
466 +
467 +          me_j = atid_col(atom1)
468 +
469 +          if (atypeMaxCutoff(me_j).gt.groupMaxCutoffCol(j)) then
470 +             groupMaxCutoffCol(j)=atypeMaxCutoff(me_j)
471 +          endif          
472 +       enddo
473 +
474 +       if (nGroupTypesCol.eq.0) then
475 +          nGroupTypesCol = nGroupTypesCol + 1
476 +          gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j)
477 +          groupToGtypeCol(j) = nGroupTypesCol
478 +       else
479 +          GtypeFound = .false.
480 +          do g = 1, nGroupTypesCol
481 +             if ( abs(groupMaxCutoffCol(j) - gtypeMaxCutoffCol(g)).lt.tol) then
482 +                groupToGtypeCol(j) = g
483 +                GtypeFound = .true.
484 +             endif
485 +          enddo
486 +          if (.not.GtypeFound) then            
487 +             nGroupTypesCol = nGroupTypesCol + 1
488 +             gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j)
489 +             groupToGtypeCol(j) = nGroupTypesCol
490 +          endif
491 +       endif
492 +    enddo    
493 +
494 + #else
495 + ! Set pointers to information we just found
496 +    nGroupTypesCol = nGroupTypesRow
497 +    groupToGtypeCol => groupToGtypeRow
498 +    gtypeMaxCutoffCol => gtypeMaxCutoffRow
499 +    groupMaxCutoffCol => groupMaxCutoffRow
500 + #endif
501 +
502 +    !! allocate the gtypeCutoffMap here.
503 +    allocate(gtypeCutoffMap(nGroupTypesRow,nGroupTypesCol))
504 +    !! then we do a double loop over all the group TYPES to find the cutoff
505 +    !! map between groups of two types
506 +    tradRcut = max(maxval(gtypeMaxCutoffRow),maxval(gtypeMaxCutoffCol))
507 +
508 +    do i = 1, nGroupTypesRow      
509 +       do j = 1, nGroupTypesCol
510 +      
511 +          select case(cutoffPolicy)
512 +          case(TRADITIONAL_CUTOFF_POLICY)
513 +             thisRcut = tradRcut
514 +          case(MIX_CUTOFF_POLICY)
515 +             thisRcut = 0.5_dp * (gtypeMaxCutoffRow(i) + gtypeMaxCutoffCol(j))
516 +          case(MAX_CUTOFF_POLICY)
517 +             thisRcut = max(gtypeMaxCutoffRow(i), gtypeMaxCutoffCol(j))
518 +          case default
519 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
520 +             return
521 +          end select
522 +          gtypeCutoffMap(i,j)%rcut = thisRcut
523 +          
524 +          if (thisRcut.gt.largestRcut) largestRcut = thisRcut
525 +
526 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
527 +
528 +          if (.not.haveSkinThickness) then
529 +             skinThickness = 1.0_dp
530 +          endif
531 +
532 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skinThickness)**2
533 +
534 +          ! sanity check
535 +
536 +          if (haveDefaultCutoffs) then
537 +             if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then
538 +                call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff")
539 +             endif
540 +          endif
541 +       enddo
542 +    enddo
543 +
544 +    if(allocated(gtypeMaxCutoffRow)) deallocate(gtypeMaxCutoffRow)
545 +    if(allocated(groupMaxCutoffRow)) deallocate(groupMaxCutoffRow)
546 +    if(allocated(atypeMaxCutoff)) deallocate(atypeMaxCutoff)
547 + #ifdef IS_MPI
548 +    if(associated(groupMaxCutoffCol)) deallocate(groupMaxCutoffCol)
549 +    if(associated(gtypeMaxCutoffCol)) deallocate(gtypeMaxCutoffCol)
550 + #endif
551 +    groupMaxCutoffCol => null()
552 +    gtypeMaxCutoffCol => null()
553 +    
554 +    haveGtypeCutoffMap = .true.
555 +   end subroutine createGtypeCutoffMap
556 +
557 +   subroutine setCutoffs(defRcut, defRsw)
558 +
559 +     real(kind=dp),intent(in) :: defRcut, defRsw
560 +     character(len = statusMsgSize) :: errMsg
561 +     integer :: localError
562 +
563 +     defaultRcut = defRcut
564 +     defaultRsw = defRsw
565 +    
566 +     defaultDoShift = .false.
567 +     if (abs(defaultRcut-defaultRsw) .lt. 0.0001) then
568 +        
569 +        write(errMsg, *) &
570 +             'cutoffRadius and switchingRadius are set to the same', newline &
571 +             // tab, 'value.  OOPSE will use shifted ', newline &
572 +             // tab, 'potentials instead of switching functions.'
573 +        
574 +        call handleInfo("setCutoffs", errMsg)
575 +        
576 +        defaultDoShift = .true.
577 +        
578 +     endif
579 +
580 +     localError = 0
581 +     call setLJDefaultCutoff( defaultRcut, defaultDoShift )
582 +     call setCutoffEAM( defaultRcut, localError)
583 +     if (localError /= 0) then
584 +       write(errMsg, *) 'An error has occured in setting the EAM cutoff'
585 +       call handleError("setCutoffs", errMsg)
586 +     end if
587 +     call set_switch(GROUP_SWITCH, defaultRsw, defaultRcut)
588 +    
589 +     haveDefaultCutoffs = .true.
590 +   end subroutine setCutoffs
591 +
592 +   subroutine cWasLame()
593 +    
594 +     VisitCutoffsAfterComputing = .true.
595 +     return
596 +    
597 +   end subroutine cWasLame
598 +  
599 +   subroutine setCutoffPolicy(cutPolicy)
600 +    
601 +     integer, intent(in) :: cutPolicy
602 +    
603 +     cutoffPolicy = cutPolicy
604 +     haveCutoffPolicy = .true.
605 +
606 +     call createGtypeCutoffMap()
607 +    
608 +   end subroutine setCutoffPolicy
609 +  
610 +   subroutine setElectrostaticMethod( thisESM )
611 +
612 +     integer, intent(in) :: thisESM
613 +
614 +     electrostaticSummationMethod = thisESM
615 +     haveElectrostaticSummationMethod = .true.
616 +    
617 +   end subroutine setElectrostaticMethod
618 +
619 +   subroutine setSkinThickness( thisSkin )
620 +    
621 +     real(kind=dp), intent(in) :: thisSkin
622 +    
623 +     skinThickness = thisSkin
624 +     haveSkinThickness = .true.
625 +    
626 +     call createGtypeCutoffMap()
627 +    
628 +   end subroutine setSkinThickness
629 +      
630 +   subroutine setSimVariables()
631 +     SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
632 +     SIM_uses_EAM = SimUsesEAM()
633 +     SIM_requires_postpair_calc = SimRequiresPostpairCalc()
634 +     SIM_requires_prepair_calc = SimRequiresPrepairCalc()
635 +     SIM_uses_PBC = SimUsesPBC()
636 +    
637 +     haveSIMvariables = .true.
638 +    
639 +     return
640 +   end subroutine setSimVariables
641 +
642    subroutine doReadyCheck(error)
643      integer, intent(out) :: error
644  
# Line 394 | Line 646 | contains
646  
647      error = 0
648  
649 <    if (.not. haveInteractionMap) then
650 <      
399 <       myStatus = 0      
400 <       call createInteractionMap(myStatus)
401 <      
402 <       if (myStatus .ne. 0) then
403 <          write(default_error, *) 'createInteractionMap failed in doForces!'
404 <          error = -1
405 <          return
406 <       endif
649 >    if (.not. haveInteractionHash) then      
650 >       call createInteractionHash()      
651      endif
652  
653 +    if (.not. haveGtypeCutoffMap) then        
654 +       call createGtypeCutoffMap()      
655 +    endif
656 +
657 +
658 +    if (VisitCutoffsAfterComputing) then
659 +       call set_switch(GROUP_SWITCH, largestRcut, largestRcut)      
660 +    endif
661 +
662 +
663      if (.not. haveSIMvariables) then
664         call setSimVariables()
665      endif
666  
667 <    if (.not. haveRlist) then
668 <       write(default_error, *) 'rList has not been set in doForces!'
669 <       error = -1
670 <       return
671 <    endif
667 >  !  if (.not. haveRlist) then
668 >  !     write(default_error, *) 'rList has not been set in doForces!'
669 >  !     error = -1
670 >  !     return
671 >  !  endif
672  
673      if (.not. haveNeighborList) then
674         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 439 | Line 693 | contains
693    end subroutine doReadyCheck
694  
695  
696 <  subroutine init_FF(use_RF_c, thisStat)
696 >  subroutine init_FF(thisStat)
697  
444    logical, intent(in) :: use_RF_c
445
698      integer, intent(out) :: thisStat  
699      integer :: my_status, nMatches
700      integer, pointer :: MatchList(:) => null()
449    real(kind=dp) :: rcut, rrf, rt, dielect
701  
702      !! assume things are copacetic, unless they aren't
703      thisStat = 0
704  
454    !! Fortran's version of a cast:
455    FF_uses_RF = use_RF_c
456
705      !! init_FF is called *after* all of the atom types have been
706      !! defined in atype_module using the new_atype subroutine.
707      !!
# Line 461 | Line 709 | contains
709      !! interactions are used by the force field.    
710  
711      FF_uses_DirectionalAtoms = .false.
464    FF_uses_LennardJones = .false.
465    FF_uses_Electrostatics = .false.
466    FF_uses_Charges = .false.    
712      FF_uses_Dipoles = .false.
468    FF_uses_Sticky = .false.
469    FF_uses_StickyPower = .false.
713      FF_uses_GayBerne = .false.
714      FF_uses_EAM = .false.
472    FF_uses_Shapes = .false.
473    FF_uses_FLARB = .false.
715  
716      call getMatchingElementList(atypes, "is_Directional", .true., &
717           nMatches, MatchList)
718      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
719  
479    call getMatchingElementList(atypes, "is_LennardJones", .true., &
480         nMatches, MatchList)
481    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
482
483    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
484         nMatches, MatchList)
485    if (nMatches .gt. 0) then
486       FF_uses_Electrostatics = .true.
487    endif
488
489    call getMatchingElementList(atypes, "is_Charge", .true., &
490         nMatches, MatchList)
491    if (nMatches .gt. 0) then
492       FF_uses_Charges = .true.  
493       FF_uses_Electrostatics = .true.
494    endif
495
720      call getMatchingElementList(atypes, "is_Dipole", .true., &
721           nMatches, MatchList)
722 <    if (nMatches .gt. 0) then
499 <       FF_uses_Dipoles = .true.
500 <       FF_uses_Electrostatics = .true.
501 <       FF_uses_DirectionalAtoms = .true.
502 <    endif
503 <
504 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
505 <         nMatches, MatchList)
506 <    if (nMatches .gt. 0) then
507 <       FF_uses_Quadrupoles = .true.
508 <       FF_uses_Electrostatics = .true.
509 <       FF_uses_DirectionalAtoms = .true.
510 <    endif
511 <
512 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
513 <         MatchList)
514 <    if (nMatches .gt. 0) then
515 <       FF_uses_Sticky = .true.
516 <       FF_uses_DirectionalAtoms = .true.
517 <    endif
518 <
519 <    call getMatchingElementList(atypes, "is_StickyPower", .true., nMatches, &
520 <         MatchList)
521 <    if (nMatches .gt. 0) then
522 <       FF_uses_StickyPower = .true.
523 <       FF_uses_DirectionalAtoms = .true.
524 <    endif
722 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
723      
724      call getMatchingElementList(atypes, "is_GayBerne", .true., &
725           nMatches, MatchList)
726 <    if (nMatches .gt. 0) then
529 <       FF_uses_GayBerne = .true.
530 <       FF_uses_DirectionalAtoms = .true.
531 <    endif
726 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
727  
728      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
729      if (nMatches .gt. 0) FF_uses_EAM = .true.
730  
536    call getMatchingElementList(atypes, "is_Shape", .true., &
537         nMatches, MatchList)
538    if (nMatches .gt. 0) then
539       FF_uses_Shapes = .true.
540       FF_uses_DirectionalAtoms = .true.
541    endif
731  
543    call getMatchingElementList(atypes, "is_FLARB", .true., &
544         nMatches, MatchList)
545    if (nMatches .gt. 0) FF_uses_FLARB = .true.
546
547    !! Assume sanity (for the sake of argument)
732      haveSaneForceField = .true.
733  
550    !! check to make sure the FF_uses_RF setting makes sense
551
552    if (FF_uses_dipoles) then
553       if (FF_uses_RF) then
554          dielect = getDielect()
555          call initialize_rf(dielect)
556       endif
557    else
558       if (FF_uses_RF) then          
559          write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
560          thisStat = -1
561          haveSaneForceField = .false.
562          return
563       endif
564    endif
565
566    !sticky module does not contain check_sticky_FF anymore
567    !if (FF_uses_sticky) then
568    !   call check_sticky_FF(my_status)
569    !   if (my_status /= 0) then
570    !      thisStat = -1
571    !      haveSaneForceField = .false.
572    !      return
573    !   end if
574    !endif
575
734      if (FF_uses_EAM) then
735         call init_EAM_FF(my_status)
736         if (my_status /= 0) then
# Line 583 | Line 741 | contains
741         end if
742      endif
743  
586    if (FF_uses_GayBerne) then
587       call check_gb_pair_FF(my_status)
588       if (my_status .ne. 0) then
589          thisStat = -1
590          haveSaneForceField = .false.
591          return
592       endif
593    endif
594
595    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
596    endif
597
744      if (.not. haveNeighborList) then
745         !! Create neighbor lists
746         call expandNeighborList(nLocal, my_status)
# Line 628 | Line 774 | contains
774  
775      !! Stress Tensor
776      real( kind = dp), dimension(9) :: tau  
777 <    real ( kind = dp ) :: pot
777 >    real ( kind = dp ),dimension(LR_POT_TYPES) :: pot
778      logical ( kind = 2) :: do_pot_c, do_stress_c
779      logical :: do_pot
780      logical :: do_stress
781      logical :: in_switching_region
782   #ifdef IS_MPI
783 <    real( kind = DP ) :: pot_local
783 >    real( kind = DP ), dimension(LR_POT_TYPES) :: pot_local
784      integer :: nAtomsInRow
785      integer :: nAtomsInCol
786      integer :: nprocs
# Line 649 | Line 795 | contains
795      integer :: nlist
796      real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vij
797      real( kind = DP ) :: sw, dswdr, swderiv, mf
798 +    real( kind = DP ) :: rVal
799      real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij
800      real(kind=dp) :: rfpot, mu_i, virial
801 +    real(kind=dp):: rCut
802      integer :: me_i, me_j, n_in_i, n_in_j
803      logical :: is_dp_i
804      integer :: neighborListSize
# Line 658 | Line 806 | contains
806      integer :: localError
807      integer :: propPack_i, propPack_j
808      integer :: loopStart, loopEnd, loop
809 <    integer :: iMap
810 <    real(kind=dp) :: listSkin = 1.0  
809 >    integer :: iHash
810 >    integer :: i1
811 >  
812  
813      !! initialize local variables  
814  
# Line 723 | Line 872 | contains
872         ! (but only on the first time through):
873         if (loop .eq. loopStart) then
874   #ifdef IS_MPI
875 <          call checkNeighborList(nGroupsInRow, q_group_row, listSkin, &
875 >          call checkNeighborList(nGroupsInRow, q_group_row, skinThickness, &
876                 update_nlist)
877   #else
878 <          call checkNeighborList(nGroups, q_group, listSkin, &
878 >          call checkNeighborList(nGroups, q_group, skinThickness, &
879                 update_nlist)
880   #endif
881         endif
# Line 750 | Line 899 | contains
899   #endif
900         outer: do i = istart, iend
901  
753 #ifdef IS_MPI
754             me_i = atid_row(i)
755 #else
756             me_i = atid(i)
757 #endif
758
902            if (update_nlist) point(i) = nlist + 1
903  
904            n_in_i = groupStartRow(i+1) - groupStartRow(i)
# Line 790 | Line 933 | contains
933               me_j = atid(j)
934               call get_interatomic_vector(q_group(:,i), &
935                    q_group(:,j), d_grp, rgrpsq)
936 < #endif
936 > #endif      
937  
938 <             if (rgrpsq < InteractionMap(me_i,me_j)%rListsq) then
938 >             if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then
939                  if (update_nlist) then
940                     nlist = nlist + 1
941  
# Line 812 | Line 955 | contains
955  
956                     list(nlist) = j
957                  endif
958 +
959  
960 <                if (loop .eq. PAIR_LOOP) then
961 <                   vij = 0.0d0
818 <                   fij(1:3) = 0.0d0
819 <                endif
960 >                
961 >                if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCutsq) then
962  
963 <                call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, &
964 <                     in_switching_region)
965 <
966 <                n_in_j = groupStartCol(j+1) - groupStartCol(j)
967 <
968 <                do ia = groupStartRow(i), groupStartRow(i+1)-1
969 <
970 <                   atom1 = groupListRow(ia)
971 <
972 <                   inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
973 <
974 <                      atom2 = groupListCol(jb)
975 <
976 <                      if (skipThisPair(atom1, atom2)) cycle inner
977 <
978 <                      if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
979 <                         d_atm(1:3) = d_grp(1:3)
980 <                         ratmsq = rgrpsq
981 <                      else
982 < #ifdef IS_MPI
983 <                         call get_interatomic_vector(q_Row(:,atom1), &
984 <                              q_Col(:,atom2), d_atm, ratmsq)
985 < #else
986 <                         call get_interatomic_vector(q(:,atom1), &
987 <                              q(:,atom2), d_atm, ratmsq)
963 >                   rCut = gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCut
964 >                   if (loop .eq. PAIR_LOOP) then
965 >                      vij = 0.0d0
966 >                      fij(1:3) = 0.0d0
967 >                   endif
968 >                  
969 >                   call get_switch(rgrpsq, sw, dswdr, rgrp, &
970 >                        group_switch, in_switching_region)
971 >                  
972 >                   n_in_j = groupStartCol(j+1) - groupStartCol(j)
973 >                  
974 >                   do ia = groupStartRow(i), groupStartRow(i+1)-1
975 >                      
976 >                      atom1 = groupListRow(ia)
977 >                      
978 >                      inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
979 >                        
980 >                         atom2 = groupListCol(jb)
981 >                        
982 >                         if (skipThisPair(atom1, atom2))  cycle inner
983 >                        
984 >                         if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
985 >                            d_atm(1:3) = d_grp(1:3)
986 >                            ratmsq = rgrpsq
987 >                         else
988 > #ifdef IS_MPI
989 >                            call get_interatomic_vector(q_Row(:,atom1), &
990 >                                 q_Col(:,atom2), d_atm, ratmsq)
991 > #else
992 >                            call get_interatomic_vector(q(:,atom1), &
993 >                                 q(:,atom2), d_atm, ratmsq)
994   #endif
995 <                      endif
996 <
997 <                      if (loop .eq. PREPAIR_LOOP) then
995 >                         endif
996 >                        
997 >                         if (loop .eq. PREPAIR_LOOP) then
998   #ifdef IS_MPI                      
999 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1000 <                              rgrpsq, d_grp, do_pot, do_stress, &
1001 <                              eFrame, A, f, t, pot_local)
999 >                            call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1000 >                                 rgrpsq, d_grp, rCut, do_pot, do_stress, &
1001 >                                 eFrame, A, f, t, pot_local)
1002   #else
1003 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1004 <                              rgrpsq, d_grp, do_pot, do_stress, &
1005 <                              eFrame, A, f, t, pot)
1003 >                            call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1004 >                                 rgrpsq, d_grp, rCut, do_pot, do_stress, &
1005 >                                 eFrame, A, f, t, pot)
1006   #endif                                              
1007 <                      else
1007 >                         else
1008   #ifdef IS_MPI                      
1009 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1010 <                              do_pot, &
1011 <                              eFrame, A, f, t, pot_local, vpair, fpair)
1009 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1010 >                                 do_pot, eFrame, A, f, t, pot_local, vpair, &
1011 >                                 fpair, d_grp, rgrp, rCut)
1012   #else
1013 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1014 <                              do_pot,  &
1015 <                              eFrame, A, f, t, pot, vpair, fpair)
1013 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1014 >                                 do_pot, eFrame, A, f, t, pot, vpair, fpair, &
1015 >                                 d_grp, rgrp, rCut)
1016   #endif
1017 +                            vij = vij + vpair
1018 +                            fij(1:3) = fij(1:3) + fpair(1:3)
1019 +                         endif
1020 +                      enddo inner
1021 +                   enddo
1022  
1023 <                         vij = vij + vpair
1024 <                         fij(1:3) = fij(1:3) + fpair(1:3)
1025 <                      endif
1026 <                   enddo inner
1027 <                enddo
1028 <
1029 <                if (loop .eq. PAIR_LOOP) then
1030 <                   if (in_switching_region) then
1031 <                      swderiv = vij*dswdr/rgrp
1032 <                      fij(1) = fij(1) + swderiv*d_grp(1)
880 <                      fij(2) = fij(2) + swderiv*d_grp(2)
881 <                      fij(3) = fij(3) + swderiv*d_grp(3)
882 <
883 <                      do ia=groupStartRow(i), groupStartRow(i+1)-1
884 <                         atom1=groupListRow(ia)
885 <                         mf = mfactRow(atom1)
1023 >                   if (loop .eq. PAIR_LOOP) then
1024 >                      if (in_switching_region) then
1025 >                         swderiv = vij*dswdr/rgrp
1026 >                         fij(1) = fij(1) + swderiv*d_grp(1)
1027 >                         fij(2) = fij(2) + swderiv*d_grp(2)
1028 >                         fij(3) = fij(3) + swderiv*d_grp(3)
1029 >                        
1030 >                         do ia=groupStartRow(i), groupStartRow(i+1)-1
1031 >                            atom1=groupListRow(ia)
1032 >                            mf = mfactRow(atom1)
1033   #ifdef IS_MPI
1034 <                         f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1035 <                         f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1036 <                         f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1034 >                            f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1035 >                            f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1036 >                            f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1037   #else
1038 <                         f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1039 <                         f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1040 <                         f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1038 >                            f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1039 >                            f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1040 >                            f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1041   #endif
1042 <                      enddo
1043 <
1044 <                      do jb=groupStartCol(j), groupStartCol(j+1)-1
1045 <                         atom2=groupListCol(jb)
1046 <                         mf = mfactCol(atom2)
1042 >                         enddo
1043 >                        
1044 >                         do jb=groupStartCol(j), groupStartCol(j+1)-1
1045 >                            atom2=groupListCol(jb)
1046 >                            mf = mfactCol(atom2)
1047   #ifdef IS_MPI
1048 <                         f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1049 <                         f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1050 <                         f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1048 >                            f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1049 >                            f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1050 >                            f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1051   #else
1052 <                         f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1053 <                         f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1054 <                         f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1052 >                            f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1053 >                            f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1054 >                            f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1055   #endif
1056 <                      enddo
1057 <                   endif
1056 >                         enddo
1057 >                      endif
1058  
1059 <                   if (do_stress) call add_stress_tensor(d_grp, fij)
1059 >                      if (do_stress) call add_stress_tensor(d_grp, fij)
1060 >                   endif
1061                  endif
1062 <             end if
1062 >             endif
1063            enddo
1064 +          
1065         enddo outer
1066  
1067         if (update_nlist) then
# Line 972 | Line 1121 | contains
1121  
1122      if (do_pot) then
1123         ! scatter/gather pot_row into the members of my column
1124 <       call scatter(pot_Row, pot_Temp, plan_atom_row)
1125 <
1124 >       do i = 1,LR_POT_TYPES
1125 >          call scatter(pot_Row(i,:), pot_Temp(i,:), plan_atom_row)
1126 >       end do
1127         ! scatter/gather pot_local into all other procs
1128         ! add resultant to get total pot
1129         do i = 1, nlocal
1130 <          pot_local = pot_local + pot_Temp(i)
1130 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES) &
1131 >               + pot_Temp(1:LR_POT_TYPES,i)
1132         enddo
1133  
1134         pot_Temp = 0.0_DP
1135 <
1136 <       call scatter(pot_Col, pot_Temp, plan_atom_col)
1135 >       do i = 1,LR_POT_TYPES
1136 >          call scatter(pot_Col(i,:), pot_Temp(i,:), plan_atom_col)
1137 >       end do
1138         do i = 1, nlocal
1139 <          pot_local = pot_local + pot_Temp(i)
1139 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES)&
1140 >               + pot_Temp(1:LR_POT_TYPES,i)
1141         enddo
1142  
1143      endif
1144   #endif
1145  
1146 <    if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
1146 >    if (SIM_requires_postpair_calc) then
1147 >       do i = 1, nlocal            
1148 >          
1149 >          ! we loop only over the local atoms, so we don't need row and column
1150 >          ! lookups for the types
1151 >          
1152 >          me_i = atid(i)
1153 >          
1154 >          ! is the atom electrostatic?  See if it would have an
1155 >          ! electrostatic interaction with itself
1156 >          iHash = InteractionHash(me_i,me_i)
1157  
1158 <       if (FF_uses_RF .and. SIM_uses_RF) then
996 <
1158 >          if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1159   #ifdef IS_MPI
1160 <          call scatter(rf_Row,rf,plan_atom_row_3d)
1161 <          call scatter(rf_Col,rf_Temp,plan_atom_col_3d)
1000 <          do i = 1,nlocal
1001 <             rf(1:3,i) = rf(1:3,i) + rf_Temp(1:3,i)
1002 <          end do
1003 < #endif
1004 <
1005 <          do i = 1, nLocal
1006 <
1007 <             rfpot = 0.0_DP
1008 < #ifdef IS_MPI
1009 <             me_i = atid_row(i)
1160 >             call self_self(i, eFrame, pot_local(ELECTROSTATIC_POT), &
1161 >                  t, do_pot)
1162   #else
1163 <             me_i = atid(i)
1163 >             call self_self(i, eFrame, pot(ELECTROSTATIC_POT), &
1164 >                  t, do_pot)
1165   #endif
1166 <             iMap = InteractionHash(me_i,me_j)
1166 >          endif
1167 >  
1168 >          
1169 >          if (electrostaticSummationMethod.eq.REACTION_FIELD) then
1170              
1171 <             if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1172 <
1173 <                mu_i = getDipoleMoment(me_i)
1174 <
1175 <                !! The reaction field needs to include a self contribution
1176 <                !! to the field:
1177 <                call accumulate_self_rf(i, mu_i, eFrame)
1178 <                !! Get the reaction field contribution to the
1179 <                !! potential and torques:
1180 <                call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot)
1171 >             ! loop over the excludes to accumulate RF stuff we've
1172 >             ! left out of the normal pair loop
1173 >            
1174 >             do i1 = 1, nSkipsForAtom(i)
1175 >                j = skipsForAtom(i, i1)
1176 >                
1177 >                ! prevent overcounting of the skips
1178 >                if (i.lt.j) then
1179 >                   call get_interatomic_vector(q(:,i), &
1180 >                        q(:,j), d_atm, ratmsq)
1181 >                   rVal = dsqrt(ratmsq)
1182 >                   call get_switch(ratmsq, sw, dswdr, rVal, group_switch, &
1183 >                        in_switching_region)
1184   #ifdef IS_MPI
1185 <                pot_local = pot_local + rfpot
1185 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1186 >                        vpair, pot_local(ELECTROSTATIC_POT), f, t, do_pot)
1187   #else
1188 <                pot = pot + rfpot
1189 <
1188 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1189 >                        vpair, pot(ELECTROSTATIC_POT), f, t, do_pot)
1190   #endif
1191 <             endif
1192 <          enddo
1193 <       endif
1191 >                endif
1192 >             enddo
1193 >          endif
1194 >       enddo
1195      endif
1196 <
1036 <
1196 >    
1197   #ifdef IS_MPI
1198 <
1198 >    
1199      if (do_pot) then
1200 <       pot = pot + pot_local
1201 <       !! we assume the c code will do the allreduce to get the total potential
1042 <       !! we could do it right here if we needed to...
1200 >       call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_double_precision,mpi_sum, &
1201 >            mpi_comm_world,mpi_err)            
1202      endif
1203 <
1203 >    
1204      if (do_stress) then
1205         call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, &
1206              mpi_comm_world,mpi_err)
1207         call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, &
1208              mpi_comm_world,mpi_err)
1209      endif
1210 <
1210 >    
1211   #else
1212 <
1212 >    
1213      if (do_stress) then
1214         tau = tau_Temp
1215         virial = virial_Temp
1216      endif
1217 <
1217 >    
1218   #endif
1219 <
1219 >    
1220    end subroutine do_force_loop
1221  
1222    subroutine do_pair(i, j, rijsq, d, sw, do_pot, &
1223 <       eFrame, A, f, t, pot, vpair, fpair)
1223 >       eFrame, A, f, t, pot, vpair, fpair, d_grp, r_grp, rCut)
1224  
1225 <    real( kind = dp ) :: pot, vpair, sw
1225 >    real( kind = dp ) :: vpair, sw
1226 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1227      real( kind = dp ), dimension(3) :: fpair
1228      real( kind = dp ), dimension(nLocal)   :: mfact
1229      real( kind = dp ), dimension(9,nLocal) :: eFrame
# Line 1074 | Line 1234 | contains
1234      logical, intent(inout) :: do_pot
1235      integer, intent(in) :: i, j
1236      real ( kind = dp ), intent(inout) :: rijsq
1237 <    real ( kind = dp )                :: r
1237 >    real ( kind = dp ), intent(inout) :: r_grp
1238      real ( kind = dp ), intent(inout) :: d(3)
1239 <    real ( kind = dp ) :: ebalance
1239 >    real ( kind = dp ), intent(inout) :: d_grp(3)
1240 >    real ( kind = dp ), intent(inout) :: rCut
1241 >    real ( kind = dp ) :: r
1242      integer :: me_i, me_j
1243  
1244 <    integer :: iMap
1244 >    integer :: iHash
1245  
1246      r = sqrt(rijsq)
1247      vpair = 0.0d0
# Line 1093 | Line 1255 | contains
1255      me_j = atid(j)
1256   #endif
1257  
1258 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1259 <
1260 <    if ( iand(iMap, LJ_PAIR).ne.0 ) then
1261 <       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1262 <    endif
1101 <
1102 <    if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1103 <       call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1104 <            pot, eFrame, f, t, do_pot)
1105 <
1106 <       if (FF_uses_RF .and. SIM_uses_RF) then
1107 <
1108 <          ! CHECK ME (RF needs to know about all electrostatic types)
1109 <          call accumulate_rf(i, j, r, eFrame, sw)
1110 <          call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1111 <       endif
1112 <
1258 >    iHash = InteractionHash(me_i, me_j)
1259 >    
1260 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1261 >       call do_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1262 >            pot(VDW_POT), f, do_pot)
1263      endif
1264 <
1265 <    if ( iand(iMap, STICKY_PAIR).ne.0 ) then
1264 >    
1265 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1266 >       call doElectrostaticPair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1267 >            pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot)
1268 >    endif
1269 >    
1270 >    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1271         call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1272 <            pot, A, f, t, do_pot)
1272 >            pot(HB_POT), A, f, t, do_pot)
1273      endif
1274 <
1275 <    if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
1274 >    
1275 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1276         call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1277 <            pot, A, f, t, do_pot)
1277 >            pot(HB_POT), A, f, t, do_pot)
1278      endif
1279 <
1280 <    if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
1279 >    
1280 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1281         call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1282 <            pot, A, f, t, do_pot)
1282 >            pot(VDW_POT), A, f, t, do_pot)
1283      endif
1284      
1285 <    if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
1286 < !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1287 < !           pot, A, f, t, do_pot)
1285 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1286 >       call do_gb_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1287 >            pot(VDW_POT), A, f, t, do_pot)
1288      endif
1289 <
1290 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1291 <       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1292 <            do_pot)
1289 >    
1290 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1291 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1292 >            pot(METALLIC_POT), f, do_pot)
1293      endif
1294 <
1295 <    if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
1294 >    
1295 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1296         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1297 <            pot, A, f, t, do_pot)
1297 >            pot(VDW_POT), A, f, t, do_pot)
1298      endif
1299 <
1300 <    if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
1299 >    
1300 >    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1301         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1302 <            pot, A, f, t, do_pot)
1302 >            pot(VDW_POT), A, f, t, do_pot)
1303      endif
1304 +
1305 +    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1306 +       call do_SC_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1307 +            pot(METALLIC_POT), f, do_pot)
1308 +    endif
1309 +
1310      
1311 +    
1312    end subroutine do_pair
1313  
1314 <  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
1314 >  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, rCut, &
1315         do_pot, do_stress, eFrame, A, f, t, pot)
1316  
1317 <    real( kind = dp ) :: pot, sw
1317 >    real( kind = dp ) :: sw
1318 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1319      real( kind = dp ), dimension(9,nLocal) :: eFrame
1320      real (kind=dp), dimension(9,nLocal) :: A
1321      real (kind=dp), dimension(3,nLocal) :: f
# Line 1160 | Line 1323 | contains
1323  
1324      logical, intent(inout) :: do_pot, do_stress
1325      integer, intent(in) :: i, j
1326 <    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq
1326 >    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq, rCut
1327      real ( kind = dp )                :: r, rc
1328      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1329  
1330 <    integer :: me_i, me_j, iMap
1330 >    integer :: me_i, me_j, iHash
1331  
1332 +    r = sqrt(rijsq)
1333 +
1334   #ifdef IS_MPI  
1335      me_i = atid_row(i)
1336      me_j = atid_col(j)  
# Line 1174 | Line 1339 | contains
1339      me_j = atid(j)  
1340   #endif
1341  
1342 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1342 >    iHash = InteractionHash(me_i, me_j)
1343  
1344 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1345 <            call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1344 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1345 >            call calc_EAM_prepair_rho(i, j, d, r, rijsq)
1346      endif
1347 +
1348 +    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1349 +            call calc_SC_prepair_rho(i, j, d, r, rijsq, rcut )
1350 +    endif
1351      
1352    end subroutine do_prepair
1353  
1354  
1355    subroutine do_preforce(nlocal,pot)
1356      integer :: nlocal
1357 <    real( kind = dp ) :: pot
1357 >    real( kind = dp ),dimension(LR_POT_TYPES) :: pot
1358  
1359      if (FF_uses_EAM .and. SIM_uses_EAM) then
1360 <       call calc_EAM_preforce_Frho(nlocal,pot)
1360 >       call calc_EAM_preforce_Frho(nlocal,pot(METALLIC_POT))
1361      endif
1362 +    if (FF_uses_SC .and. SIM_uses_SC) then
1363 +       call calc_SC_preforce_Frho(nlocal,pot(METALLIC_POT))
1364 +    endif
1365  
1366  
1367    end subroutine do_preforce
# Line 1274 | Line 1446 | contains
1446      pot_Col = 0.0_dp
1447      pot_Temp = 0.0_dp
1448  
1277    rf_Row = 0.0_dp
1278    rf_Col = 0.0_dp
1279    rf_Temp = 0.0_dp
1280
1449   #endif
1450  
1451      if (FF_uses_EAM .and. SIM_uses_EAM) then
1452         call clean_EAM()
1453      endif
1454  
1287    rf = 0.0_dp
1455      tau_Temp = 0.0_dp
1456      virial_Temp = 0.0_dp
1457    end subroutine zero_work_arrays
# Line 1373 | Line 1540 | contains
1540  
1541    function FF_UsesDirectionalAtoms() result(doesit)
1542      logical :: doesit
1543 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1377 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1378 <         FF_uses_StickyPower .or. FF_uses_GayBerne .or. FF_uses_Shapes
1543 >    doesit = FF_uses_DirectionalAtoms
1544    end function FF_UsesDirectionalAtoms
1545  
1546    function FF_RequiresPrepairCalc() result(doesit)
1547      logical :: doesit
1548 <    doesit = FF_uses_EAM
1548 >    doesit = FF_uses_EAM .or. FF_uses_SC &
1549 >         .or. FF_uses_MEAM
1550    end function FF_RequiresPrepairCalc
1551  
1386  function FF_RequiresPostpairCalc() result(doesit)
1387    logical :: doesit
1388    doesit = FF_uses_RF
1389  end function FF_RequiresPostpairCalc
1390
1552   #ifdef PROFILE
1553    function getforcetime() result(totalforcetime)
1554      real(kind=dp) :: totalforcetime

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