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Comparing trunk/OOPSE-4/src/UseTheForce/doForces.F90 (file contents):
Revision 2268 by gezelter, Fri Jul 29 19:38:27 2005 UTC vs.
Revision 2533 by chuckv, Fri Dec 30 23:15:59 2005 UTC

# Line 45 | Line 45
45  
46   !! @author Charles F. Vardeman II
47   !! @author Matthew Meineke
48 < !! @version $Id: doForces.F90,v 1.26 2005-07-29 19:38:27 gezelter Exp $, $Date: 2005-07-29 19:38:27 $, $Name: not supported by cvs2svn $, $Revision: 1.26 $
48 > !! @version $Id: doForces.F90,v 1.74 2005-12-30 23:15:59 chuckv Exp $, $Date: 2005-12-30 23:15:59 $, $Name: not supported by cvs2svn $, $Revision: 1.74 $
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 <  !!!GO AWAY---------
112 <  !!!!!real(kind=dp), save :: rlist, rlistsq
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
124 !  public :: setRlistDF
125  !public :: addInteraction
126  !public :: setInteractionHash
127  !public :: getInteractionHash
128  public :: createInteractionMap
129  public :: createRcuts
125  
126   #ifdef PROFILE
127    public :: getforcetime
# Line 134 | Line 129 | module doForces
129    real :: forceTimeInitial, forceTimeFinal
130    integer :: nLoops
131   #endif
137
138  type, public :: Interaction
139     integer :: InteractionHash
140     real(kind=dp) :: rCut = 0.0_dp
141     real(kind=dp) :: rCutSq = 0.0_dp    
142     real(kind=dp) :: rListSq = 0.0_dp
143  end type Interaction
132    
133 <  type(Interaction), dimension(:,:),allocatable :: InteractionMap
134 <  
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 <  
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 <
152 <  subroutine createInteractionMap(status)
154 >  subroutine createInteractionHash()
155      integer :: nAtypes
154    integer, intent(out) :: status
156      integer :: i
157      integer :: j
158 <    integer :: ihash
158 <    real(kind=dp) :: myRcut
158 >    integer :: iHash
159      !! Test Types
160      logical :: i_is_LJ
161      logical :: i_is_Elect
# Line 164 | 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 171 | 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 createDefaultInteractionMap!")
179 <       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(InteractionMap)) then
193 <       allocate(InteractionMap(nAtypes,nAtypes))
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 199 | 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 212 | 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 233 | 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 242 | Line 262 | contains
262            if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
263  
264  
265 <          InteractionMap(i,j)%InteractionHash = iHash
266 <          InteractionMap(j,i)%InteractionHash = iHash
265 >          InteractionHash(i,j) = iHash
266 >          InteractionHash(j,i) = iHash
267  
268         end do
269  
270      end do
271  
272 <    haveInteractionMap = .true.
273 <  end subroutine createInteractionMap
272 >    haveInteractionHash = .true.
273 >  end subroutine createInteractionHash
274  
275 <  ! Query each potential and return the cutoff for that potential. We
256 <  ! build the neighbor list based on the largest cutoff value for that
257 <  ! atype. Each potential can decide whether to calculate the force for
258 <  ! that atype based upon it's own cutoff.
259 <  
260 <  subroutine createRcuts(defaultRcut, defaultSkinThickness, stat)
275 >  subroutine createGtypeCutoffMap()
276  
277 <    real(kind=dp), intent(in), optional :: defaultRCut, defaultSkinThickness
278 <    integer :: iMap
279 <    integer :: map_i,map_j
280 <    real(kind=dp) :: thisRCut = 0.0_dp
281 <    real(kind=dp) :: actualCutoff = 0.0_dp
282 <    integer, intent(out) :: stat
283 <    integer :: nAtypes
284 <    integer :: myStatus
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 :: i_is_SC
285 >    logical :: GtypeFound
286  
287 <    stat = 0
288 <    if (.not. haveInteractionMap) then
287 >    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
288 >    integer :: n_in_i, me_i, ia, g, atom1, ja, n_in_j,me_j
289 >    integer :: nGroupsInRow
290 >    integer :: nGroupsInCol
291 >    integer :: nGroupTypesRow,nGroupTypesCol
292 >    real(kind=dp):: thisSigma, bigSigma, thisRcut, tradRcut, tol
293 >    real(kind=dp) :: biggestAtypeCutoff
294  
295 <       call createInteractionMap(myStatus)
296 <
276 <       if (myStatus .ne. 0) then
277 <          write(default_error, *) 'createInteractionMap failed in doForces!'
278 <          stat = -1
279 <          return
280 <       endif
295 >    if (.not. haveInteractionHash) then
296 >       call createInteractionHash()      
297      endif
298 <
298 > #ifdef IS_MPI
299 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
300 >    nGroupsInCol = getNgroupsInCol(plan_group_col)
301 > #endif
302      nAtypes = getSize(atypes)
303 <    !! If we pass a default rcut, set all atypes to that cutoff distance
304 <    if(present(defaultRList)) then
305 <       InteractionMap(:,:)%rCut = defaultRCut
306 <       InteractionMap(:,:)%rCutSq = defaultRCut*defaultRCut
307 <       InteractionMap(:,:)%rListSq = (defaultRCut+defaultSkinThickness)**2
308 <       haveRlist = .true.
309 <       return
310 <    end if
311 <
312 <    do map_i = 1,nAtypes
313 <       do map_j = map_i,nAtypes
314 <          iMap = InteractionMap(map_i, map_j)%InteractionHash
315 <          
316 <          if ( iand(iMap, LJ_PAIR).ne.0 ) then
317 <             ! thisRCut = getLJCutOff(map_i,map_j)
318 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
303 > ! Set all of the initial cutoffs to zero.
304 >    atypeMaxCutoff = 0.0_dp
305 >    do i = 1, nAtypes
306 >       if (SimHasAtype(i)) then    
307 >          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
308 >          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
309 >          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
310 >          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
311 >          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
312 >          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
313 >          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
314 >          call getElementProperty(atypes, i, "is_SC", i_is_SC)
315 >
316 >          if (haveDefaultCutoffs) then
317 >             atypeMaxCutoff(i) = defaultRcut
318 >          else
319 >             if (i_is_LJ) then          
320 >                thisRcut = getSigma(i) * 2.5_dp
321 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
322 >             endif
323 >             if (i_is_Elect) then
324 >                thisRcut = defaultRcut
325 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
326 >             endif
327 >             if (i_is_Sticky) then
328 >                thisRcut = getStickyCut(i)
329 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
330 >             endif
331 >             if (i_is_StickyP) then
332 >                thisRcut = getStickyPowerCut(i)
333 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
334 >             endif
335 >             if (i_is_GB) then
336 >                thisRcut = getGayBerneCut(i)
337 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
338 >             endif
339 >             if (i_is_EAM) then
340 >                thisRcut = getEAMCut(i)
341 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
342 >             endif
343 >             if (i_is_Shape) then
344 >                thisRcut = getShapeCut(i)
345 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
346 >             endif
347 >             if (i_is_SC) then
348 >                thisRcut = getSCCut(i)
349 >                if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
350 >             endif
351            endif
352 <          
353 <          if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
354 <             ! thisRCut = getElectrostaticCutOff(map_i,map_j)
304 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
352 >                    
353 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
354 >             biggestAtypeCutoff = atypeMaxCutoff(i)
355            endif
306          
307          if ( iand(iMap, STICKY_PAIR).ne.0 ) then
308             ! thisRCut = getStickyCutOff(map_i,map_j)
309              if (thisRcut > actualCutoff) actualCutoff = thisRcut
310           endif
311          
312           if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
313              ! thisRCut = getStickyPowerCutOff(map_i,map_j)
314              if (thisRcut > actualCutoff) actualCutoff = thisRcut
315           endif
316          
317           if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
318              ! thisRCut = getGayberneCutOff(map_i,map_j)
319              if (thisRcut > actualCutoff) actualCutoff = thisRcut
320           endif
321          
322           if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
323 !              thisRCut = getGaybrneLJCutOff(map_i,map_j)
324              if (thisRcut > actualCutoff) actualCutoff = thisRcut
325           endif
326          
327           if ( iand(iMap, EAM_PAIR).ne.0 ) then      
328 !              thisRCut = getEAMCutOff(map_i,map_j)
329              if (thisRcut > actualCutoff) actualCutoff = thisRcut
330           endif
331          
332           if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
333 !              thisRCut = getShapeCutOff(map_i,map_j)
334              if (thisRcut > actualCutoff) actualCutoff = thisRcut
335           endif
336          
337           if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
338 !              thisRCut = getShapeLJCutOff(map_i,map_j)
339              if (thisRcut > actualCutoff) actualCutoff = thisRcut
340           endif
341           InteractionMap(map_i, map_j)%rCut = actualCutoff
342           InteractionMap(map_i, map_j)%rCutSq = actualCutoff * actualCutoff
343           InteractionMap(map_i, map_j)%rListSq = (actualCutoff + skinThickness)**2
356  
357 <           InteractionMap(map_j, map_i)%rCut = InteractionMap(map_i, map_j)%rCut
358 <           InteractionMap(map_j, map_i)%rCutSq = InteractionMap(map_i, map_j)%rCutSq
359 <           InteractionMap(map_j, map_i)%rListSq = InteractionMap(map_i, map_j)%rListSq
360 <        end do
361 <     end do
362 <     ! now the groups
357 >       endif
358 >    enddo
359 >    
360 >    istart = 1
361 >    jstart = 1
362 > #ifdef IS_MPI
363 >    iend = nGroupsInRow
364 >    jend = nGroupsInCol
365 > #else
366 >    iend = nGroups
367 >    jend = nGroups
368 > #endif
369 >    
370 >    !! allocate the groupToGtype and gtypeMaxCutoff here.
371 >    if(.not.allocated(groupToGtypeRow)) then
372 >     !  allocate(groupToGtype(iend))
373 >       allocate(groupToGtypeRow(iend))
374 >    else
375 >       deallocate(groupToGtypeRow)
376 >       allocate(groupToGtypeRow(iend))
377 >    endif
378 >    if(.not.allocated(groupMaxCutoffRow)) then
379 >       allocate(groupMaxCutoffRow(iend))
380 >    else
381 >       deallocate(groupMaxCutoffRow)
382 >       allocate(groupMaxCutoffRow(iend))
383 >    end if
384 >
385 >    if(.not.allocated(gtypeMaxCutoffRow)) then
386 >       allocate(gtypeMaxCutoffRow(iend))
387 >    else
388 >       deallocate(gtypeMaxCutoffRow)
389 >       allocate(gtypeMaxCutoffRow(iend))
390 >    endif
391  
392  
393 + #ifdef IS_MPI
394 +       ! We only allocate new storage if we are in MPI because Ncol /= Nrow
395 +    if(.not.associated(groupToGtypeCol)) then
396 +       allocate(groupToGtypeCol(jend))
397 +    else
398 +       deallocate(groupToGtypeCol)
399 +       allocate(groupToGtypeCol(jend))
400 +    end if
401  
402 <     haveRlist = .true.
403 <  end subroutine createRcuts
402 >    if(.not.associated(groupMaxCutoffCol)) then
403 >       allocate(groupMaxCutoffCol(jend))
404 >    else
405 >       deallocate(groupMaxCutoffCol)
406 >       allocate(groupMaxCutoffCol(jend))
407 >    end if
408 >    if(.not.associated(gtypeMaxCutoffCol)) then
409 >       allocate(gtypeMaxCutoffCol(jend))
410 >    else
411 >       deallocate(gtypeMaxCutoffCol)      
412 >       allocate(gtypeMaxCutoffCol(jend))
413 >    end if
414  
415 +       groupMaxCutoffCol = 0.0_dp
416 +       gtypeMaxCutoffCol = 0.0_dp
417  
418 < !!! THIS GOES AWAY FOR SIZE DEPENDENT CUTOFF
419 < !!$  subroutine setRlistDF( this_rlist )
420 < !!$
361 < !!$   real(kind=dp) :: this_rlist
362 < !!$
363 < !!$    rlist = this_rlist
364 < !!$    rlistsq = rlist * rlist
365 < !!$
366 < !!$    haveRlist = .true.
367 < !!$
368 < !!$  end subroutine setRlistDF
418 > #endif
419 >       groupMaxCutoffRow = 0.0_dp
420 >       gtypeMaxCutoffRow = 0.0_dp
421  
422  
423 <  subroutine setSimVariables()
424 <    SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
425 <    SIM_uses_LennardJones = SimUsesLennardJones()
426 <    SIM_uses_Electrostatics = SimUsesElectrostatics()
427 <    SIM_uses_Charges = SimUsesCharges()
428 <    SIM_uses_Dipoles = SimUsesDipoles()
429 <    SIM_uses_Sticky = SimUsesSticky()
430 <    SIM_uses_StickyPower = SimUsesStickyPower()
431 <    SIM_uses_GayBerne = SimUsesGayBerne()
432 <    SIM_uses_EAM = SimUsesEAM()
433 <    SIM_uses_Shapes = SimUsesShapes()
434 <    SIM_uses_FLARB = SimUsesFLARB()
435 <    SIM_uses_RF = SimUsesRF()
436 <    SIM_requires_postpair_calc = SimRequiresPostpairCalc()
437 <    SIM_requires_prepair_calc = SimRequiresPrepairCalc()
438 <    SIM_uses_PBC = SimUsesPBC()
423 >    !! first we do a single loop over the cutoff groups to find the
424 >    !! largest cutoff for any atypes present in this group.  We also
425 >    !! create gtypes at this point.
426 >    
427 >    tol = 1.0d-6
428 >    nGroupTypesRow = 0
429 >    nGroupTypesCol = 0
430 >    do i = istart, iend      
431 >       n_in_i = groupStartRow(i+1) - groupStartRow(i)
432 >       groupMaxCutoffRow(i) = 0.0_dp
433 >       do ia = groupStartRow(i), groupStartRow(i+1)-1
434 >          atom1 = groupListRow(ia)
435 > #ifdef IS_MPI
436 >          me_i = atid_row(atom1)
437 > #else
438 >          me_i = atid(atom1)
439 > #endif          
440 >          if (atypeMaxCutoff(me_i).gt.groupMaxCutoffRow(i)) then
441 >             groupMaxCutoffRow(i)=atypeMaxCutoff(me_i)
442 >          endif          
443 >       enddo
444 >       if (nGroupTypesRow.eq.0) then
445 >          nGroupTypesRow = nGroupTypesRow + 1
446 >          gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i)
447 >          groupToGtypeRow(i) = nGroupTypesRow
448 >       else
449 >          GtypeFound = .false.
450 >          do g = 1, nGroupTypesRow
451 >             if ( abs(groupMaxCutoffRow(i) - gtypeMaxCutoffRow(g)).lt.tol) then
452 >                groupToGtypeRow(i) = g
453 >                GtypeFound = .true.
454 >             endif
455 >          enddo
456 >          if (.not.GtypeFound) then            
457 >             nGroupTypesRow = nGroupTypesRow + 1
458 >             gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i)
459 >             groupToGtypeRow(i) = nGroupTypesRow
460 >          endif
461 >       endif
462 >    enddo    
463  
464 <    haveSIMvariables = .true.
464 > #ifdef IS_MPI
465 >    do j = jstart, jend      
466 >       n_in_j = groupStartCol(j+1) - groupStartCol(j)
467 >       groupMaxCutoffCol(j) = 0.0_dp
468 >       do ja = groupStartCol(j), groupStartCol(j+1)-1
469 >          atom1 = groupListCol(ja)
470  
471 <    return
391 <  end subroutine setSimVariables
471 >          me_j = atid_col(atom1)
472  
473 +          if (atypeMaxCutoff(me_j).gt.groupMaxCutoffCol(j)) then
474 +             groupMaxCutoffCol(j)=atypeMaxCutoff(me_j)
475 +          endif          
476 +       enddo
477 +
478 +       if (nGroupTypesCol.eq.0) then
479 +          nGroupTypesCol = nGroupTypesCol + 1
480 +          gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j)
481 +          groupToGtypeCol(j) = nGroupTypesCol
482 +       else
483 +          GtypeFound = .false.
484 +          do g = 1, nGroupTypesCol
485 +             if ( abs(groupMaxCutoffCol(j) - gtypeMaxCutoffCol(g)).lt.tol) then
486 +                groupToGtypeCol(j) = g
487 +                GtypeFound = .true.
488 +             endif
489 +          enddo
490 +          if (.not.GtypeFound) then            
491 +             nGroupTypesCol = nGroupTypesCol + 1
492 +             gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j)
493 +             groupToGtypeCol(j) = nGroupTypesCol
494 +          endif
495 +       endif
496 +    enddo    
497 +
498 + #else
499 + ! Set pointers to information we just found
500 +    nGroupTypesCol = nGroupTypesRow
501 +    groupToGtypeCol => groupToGtypeRow
502 +    gtypeMaxCutoffCol => gtypeMaxCutoffRow
503 +    groupMaxCutoffCol => groupMaxCutoffRow
504 + #endif
505 +
506 +    !! allocate the gtypeCutoffMap here.
507 +    allocate(gtypeCutoffMap(nGroupTypesRow,nGroupTypesCol))
508 +    !! then we do a double loop over all the group TYPES to find the cutoff
509 +    !! map between groups of two types
510 +    tradRcut = max(maxval(gtypeMaxCutoffRow),maxval(gtypeMaxCutoffCol))
511 +
512 +    do i = 1, nGroupTypesRow      
513 +       do j = 1, nGroupTypesCol
514 +      
515 +          select case(cutoffPolicy)
516 +          case(TRADITIONAL_CUTOFF_POLICY)
517 +             thisRcut = tradRcut
518 +          case(MIX_CUTOFF_POLICY)
519 +             thisRcut = 0.5_dp * (gtypeMaxCutoffRow(i) + gtypeMaxCutoffCol(j))
520 +          case(MAX_CUTOFF_POLICY)
521 +             thisRcut = max(gtypeMaxCutoffRow(i), gtypeMaxCutoffCol(j))
522 +          case default
523 +             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
524 +             return
525 +          end select
526 +          gtypeCutoffMap(i,j)%rcut = thisRcut
527 +          
528 +          if (thisRcut.gt.largestRcut) largestRcut = thisRcut
529 +
530 +          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
531 +
532 +          if (.not.haveSkinThickness) then
533 +             skinThickness = 1.0_dp
534 +          endif
535 +
536 +          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skinThickness)**2
537 +
538 +          ! sanity check
539 +
540 +          if (haveDefaultCutoffs) then
541 +             if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then
542 +                call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff")
543 +             endif
544 +          endif
545 +       enddo
546 +    enddo
547 +
548 +    if(allocated(gtypeMaxCutoffRow)) deallocate(gtypeMaxCutoffRow)
549 +    if(allocated(groupMaxCutoffRow)) deallocate(groupMaxCutoffRow)
550 +    if(allocated(atypeMaxCutoff)) deallocate(atypeMaxCutoff)
551 + #ifdef IS_MPI
552 +    if(associated(groupMaxCutoffCol)) deallocate(groupMaxCutoffCol)
553 +    if(associated(gtypeMaxCutoffCol)) deallocate(gtypeMaxCutoffCol)
554 + #endif
555 +    groupMaxCutoffCol => null()
556 +    gtypeMaxCutoffCol => null()
557 +    
558 +    haveGtypeCutoffMap = .true.
559 +   end subroutine createGtypeCutoffMap
560 +
561 +   subroutine setCutoffs(defRcut, defRsw)
562 +
563 +     real(kind=dp),intent(in) :: defRcut, defRsw
564 +     character(len = statusMsgSize) :: errMsg
565 +     integer :: localError
566 +
567 +     defaultRcut = defRcut
568 +     defaultRsw = defRsw
569 +    
570 +     defaultDoShift = .false.
571 +     if (abs(defaultRcut-defaultRsw) .lt. 0.0001) then
572 +        
573 +        write(errMsg, *) &
574 +             'cutoffRadius and switchingRadius are set to the same', newline &
575 +             // tab, 'value.  OOPSE will use shifted ', newline &
576 +             // tab, 'potentials instead of switching functions.'
577 +        
578 +        call handleInfo("setCutoffs", errMsg)
579 +        
580 +        defaultDoShift = .true.
581 +        
582 +     endif
583 +
584 +     localError = 0
585 +     call setLJDefaultCutoff( defaultRcut, defaultDoShift )
586 +     call setElectrostaticCutoffRadius( defaultRcut, defaultRsw )
587 +     call setCutoffEAM( defaultRcut, localError)
588 +     if (localError /= 0) then
589 +       write(errMsg, *) 'An error has occured in setting the EAM cutoff'
590 +       call handleError("setCutoffs", errMsg)
591 +     end if
592 +     call set_switch(GROUP_SWITCH, defaultRsw, defaultRcut)
593 +
594 +     haveDefaultCutoffs = .true.
595 +     haveGtypeCutoffMap = .false.
596 +   end subroutine setCutoffs
597 +
598 +   subroutine cWasLame()
599 +    
600 +     VisitCutoffsAfterComputing = .true.
601 +     return
602 +    
603 +   end subroutine cWasLame
604 +  
605 +   subroutine setCutoffPolicy(cutPolicy)
606 +    
607 +     integer, intent(in) :: cutPolicy
608 +    
609 +     cutoffPolicy = cutPolicy
610 +     haveCutoffPolicy = .true.
611 +     haveGtypeCutoffMap = .false.
612 +    
613 +   end subroutine setCutoffPolicy
614 +  
615 +   subroutine setElectrostaticMethod( thisESM )
616 +
617 +     integer, intent(in) :: thisESM
618 +
619 +     electrostaticSummationMethod = thisESM
620 +     haveElectrostaticSummationMethod = .true.
621 +    
622 +   end subroutine setElectrostaticMethod
623 +
624 +   subroutine setSkinThickness( thisSkin )
625 +    
626 +     real(kind=dp), intent(in) :: thisSkin
627 +    
628 +     skinThickness = thisSkin
629 +     haveSkinThickness = .true.    
630 +     haveGtypeCutoffMap = .false.
631 +    
632 +   end subroutine setSkinThickness
633 +      
634 +   subroutine setSimVariables()
635 +     SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
636 +     SIM_uses_EAM = SimUsesEAM()
637 +     SIM_requires_postpair_calc = SimRequiresPostpairCalc()
638 +     SIM_requires_prepair_calc = SimRequiresPrepairCalc()
639 +     SIM_uses_PBC = SimUsesPBC()
640 +    
641 +     haveSIMvariables = .true.
642 +    
643 +     return
644 +   end subroutine setSimVariables
645 +
646    subroutine doReadyCheck(error)
647      integer, intent(out) :: error
648  
# Line 397 | Line 650 | contains
650  
651      error = 0
652  
653 <    if (.not. haveInteractionMap) then
654 <      
402 <       myStatus = 0      
403 <       call createInteractionMap(myStatus)
404 <      
405 <       if (myStatus .ne. 0) then
406 <          write(default_error, *) 'createInteractionMap failed in doForces!'
407 <          error = -1
408 <          return
409 <       endif
653 >    if (.not. haveInteractionHash) then      
654 >       call createInteractionHash()      
655      endif
656  
657 +    if (.not. haveGtypeCutoffMap) then        
658 +       call createGtypeCutoffMap()      
659 +    endif
660 +
661 +
662 +    if (VisitCutoffsAfterComputing) then
663 +       call set_switch(GROUP_SWITCH, largestRcut, largestRcut)      
664 +    endif
665 +
666 +
667      if (.not. haveSIMvariables) then
668         call setSimVariables()
669      endif
670  
671 <    if (.not. haveRlist) then
672 <       write(default_error, *) 'rList has not been set in doForces!'
673 <       error = -1
674 <       return
675 <    endif
671 >  !  if (.not. haveRlist) then
672 >  !     write(default_error, *) 'rList has not been set in doForces!'
673 >  !     error = -1
674 >  !     return
675 >  !  endif
676  
677      if (.not. haveNeighborList) then
678         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 442 | Line 697 | contains
697    end subroutine doReadyCheck
698  
699  
700 <  subroutine init_FF(use_RF_c, thisStat)
446 <
447 <    logical, intent(in) :: use_RF_c
700 >  subroutine init_FF(thisStat)
701  
702      integer, intent(out) :: thisStat  
703      integer :: my_status, nMatches
704      integer, pointer :: MatchList(:) => null()
452    real(kind=dp) :: rcut, rrf, rt, dielect
705  
706      !! assume things are copacetic, unless they aren't
707      thisStat = 0
708  
457    !! Fortran's version of a cast:
458    FF_uses_RF = use_RF_c
459
709      !! init_FF is called *after* all of the atom types have been
710      !! defined in atype_module using the new_atype subroutine.
711      !!
# Line 464 | Line 713 | contains
713      !! interactions are used by the force field.    
714  
715      FF_uses_DirectionalAtoms = .false.
467    FF_uses_LennardJones = .false.
468    FF_uses_Electrostatics = .false.
469    FF_uses_Charges = .false.    
716      FF_uses_Dipoles = .false.
471    FF_uses_Sticky = .false.
472    FF_uses_StickyPower = .false.
717      FF_uses_GayBerne = .false.
718      FF_uses_EAM = .false.
719 <    FF_uses_Shapes = .false.
476 <    FF_uses_FLARB = .false.
719 >    FF_uses_SC = .false.
720  
721      call getMatchingElementList(atypes, "is_Directional", .true., &
722           nMatches, MatchList)
723      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
724  
482    call getMatchingElementList(atypes, "is_LennardJones", .true., &
483         nMatches, MatchList)
484    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
485
486    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
487         nMatches, MatchList)
488    if (nMatches .gt. 0) then
489       FF_uses_Electrostatics = .true.
490    endif
491
492    call getMatchingElementList(atypes, "is_Charge", .true., &
493         nMatches, MatchList)
494    if (nMatches .gt. 0) then
495       FF_uses_Charges = .true.  
496       FF_uses_Electrostatics = .true.
497    endif
498
725      call getMatchingElementList(atypes, "is_Dipole", .true., &
726           nMatches, MatchList)
727 <    if (nMatches .gt. 0) then
502 <       FF_uses_Dipoles = .true.
503 <       FF_uses_Electrostatics = .true.
504 <       FF_uses_DirectionalAtoms = .true.
505 <    endif
506 <
507 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
508 <         nMatches, MatchList)
509 <    if (nMatches .gt. 0) then
510 <       FF_uses_Quadrupoles = .true.
511 <       FF_uses_Electrostatics = .true.
512 <       FF_uses_DirectionalAtoms = .true.
513 <    endif
514 <
515 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
516 <         MatchList)
517 <    if (nMatches .gt. 0) then
518 <       FF_uses_Sticky = .true.
519 <       FF_uses_DirectionalAtoms = .true.
520 <    endif
521 <
522 <    call getMatchingElementList(atypes, "is_StickyPower", .true., nMatches, &
523 <         MatchList)
524 <    if (nMatches .gt. 0) then
525 <       FF_uses_StickyPower = .true.
526 <       FF_uses_DirectionalAtoms = .true.
527 <    endif
727 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
728      
729      call getMatchingElementList(atypes, "is_GayBerne", .true., &
730           nMatches, MatchList)
731 <    if (nMatches .gt. 0) then
532 <       FF_uses_GayBerne = .true.
533 <       FF_uses_DirectionalAtoms = .true.
534 <    endif
731 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
732  
733      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
734      if (nMatches .gt. 0) FF_uses_EAM = .true.
735  
736 <    call getMatchingElementList(atypes, "is_Shape", .true., &
737 <         nMatches, MatchList)
541 <    if (nMatches .gt. 0) then
542 <       FF_uses_Shapes = .true.
543 <       FF_uses_DirectionalAtoms = .true.
544 <    endif
736 >    call getMatchingElementList(atypes, "is_SC", .true., nMatches, MatchList)
737 >    if (nMatches .gt. 0) FF_uses_SC = .true.
738  
546    call getMatchingElementList(atypes, "is_FLARB", .true., &
547         nMatches, MatchList)
548    if (nMatches .gt. 0) FF_uses_FLARB = .true.
739  
550    !! Assume sanity (for the sake of argument)
740      haveSaneForceField = .true.
552
553    !! check to make sure the FF_uses_RF setting makes sense
554
555    if (FF_uses_dipoles) then
556       if (FF_uses_RF) then
557          dielect = getDielect()
558          call initialize_rf(dielect)
559       endif
560    else
561       if (FF_uses_RF) then          
562          write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
563          thisStat = -1
564          haveSaneForceField = .false.
565          return
566       endif
567    endif
741  
569    !sticky module does not contain check_sticky_FF anymore
570    !if (FF_uses_sticky) then
571    !   call check_sticky_FF(my_status)
572    !   if (my_status /= 0) then
573    !      thisStat = -1
574    !      haveSaneForceField = .false.
575    !      return
576    !   end if
577    !endif
578
742      if (FF_uses_EAM) then
743         call init_EAM_FF(my_status)
744         if (my_status /= 0) then
# Line 586 | Line 749 | contains
749         end if
750      endif
751  
589    if (FF_uses_GayBerne) then
590       call check_gb_pair_FF(my_status)
591       if (my_status .ne. 0) then
592          thisStat = -1
593          haveSaneForceField = .false.
594          return
595       endif
596    endif
597
598    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
599    endif
600
752      if (.not. haveNeighborList) then
753         !! Create neighbor lists
754         call expandNeighborList(nLocal, my_status)
# Line 631 | Line 782 | contains
782  
783      !! Stress Tensor
784      real( kind = dp), dimension(9) :: tau  
785 <    real ( kind = dp ) :: pot
785 >    real ( kind = dp ),dimension(LR_POT_TYPES) :: pot
786      logical ( kind = 2) :: do_pot_c, do_stress_c
787      logical :: do_pot
788      logical :: do_stress
789      logical :: in_switching_region
790   #ifdef IS_MPI
791 <    real( kind = DP ) :: pot_local
791 >    real( kind = DP ), dimension(LR_POT_TYPES) :: pot_local
792      integer :: nAtomsInRow
793      integer :: nAtomsInCol
794      integer :: nprocs
# Line 652 | Line 803 | contains
803      integer :: nlist
804      real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vij
805      real( kind = DP ) :: sw, dswdr, swderiv, mf
806 +    real( kind = DP ) :: rVal
807      real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij
808      real(kind=dp) :: rfpot, mu_i, virial
809 +    real(kind=dp):: rCut
810      integer :: me_i, me_j, n_in_i, n_in_j
811      logical :: is_dp_i
812      integer :: neighborListSize
# Line 661 | Line 814 | contains
814      integer :: localError
815      integer :: propPack_i, propPack_j
816      integer :: loopStart, loopEnd, loop
817 <    integer :: iMap
818 <    real(kind=dp) :: listSkin = 1.0  
817 >    integer :: iHash
818 >    integer :: i1
819 >  
820  
821      !! initialize local variables  
822  
# Line 726 | Line 880 | contains
880         ! (but only on the first time through):
881         if (loop .eq. loopStart) then
882   #ifdef IS_MPI
883 <          call checkNeighborList(nGroupsInRow, q_group_row, listSkin, &
883 >          call checkNeighborList(nGroupsInRow, q_group_row, skinThickness, &
884                 update_nlist)
885   #else
886 <          call checkNeighborList(nGroups, q_group, listSkin, &
886 >          call checkNeighborList(nGroups, q_group, skinThickness, &
887                 update_nlist)
888   #endif
889         endif
# Line 753 | Line 907 | contains
907   #endif
908         outer: do i = istart, iend
909  
756 #ifdef IS_MPI
757             me_i = atid_row(i)
758 #else
759             me_i = atid(i)
760 #endif
761
910            if (update_nlist) point(i) = nlist + 1
911  
912            n_in_i = groupStartRow(i+1) - groupStartRow(i)
# Line 793 | Line 941 | contains
941               me_j = atid(j)
942               call get_interatomic_vector(q_group(:,i), &
943                    q_group(:,j), d_grp, rgrpsq)
944 < #endif
944 > #endif      
945  
946 <             if (rgrpsq < InteractionMap(me_i,me_j)%rListsq) then
946 >             if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then
947                  if (update_nlist) then
948                     nlist = nlist + 1
949  
# Line 815 | Line 963 | contains
963  
964                     list(nlist) = j
965                  endif
966 +
967  
968 <                if (loop .eq. PAIR_LOOP) then
969 <                   vij = 0.0d0
821 <                   fij(1:3) = 0.0d0
822 <                endif
968 >                
969 >                if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCutsq) then
970  
971 <                call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, &
972 <                     in_switching_region)
973 <
974 <                n_in_j = groupStartCol(j+1) - groupStartCol(j)
975 <
976 <                do ia = groupStartRow(i), groupStartRow(i+1)-1
977 <
978 <                   atom1 = groupListRow(ia)
979 <
980 <                   inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
981 <
982 <                      atom2 = groupListCol(jb)
983 <
984 <                      if (skipThisPair(atom1, atom2)) cycle inner
985 <
986 <                      if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
987 <                         d_atm(1:3) = d_grp(1:3)
988 <                         ratmsq = rgrpsq
989 <                      else
971 >                   rCut = gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCut
972 >                   if (loop .eq. PAIR_LOOP) then
973 >                      vij = 0.0d0
974 >                      fij(1:3) = 0.0d0
975 >                   endif
976 >                  
977 >                   call get_switch(rgrpsq, sw, dswdr, rgrp, &
978 >                        group_switch, in_switching_region)
979 >                  
980 >                   n_in_j = groupStartCol(j+1) - groupStartCol(j)
981 >                  
982 >                   do ia = groupStartRow(i), groupStartRow(i+1)-1
983 >                      
984 >                      atom1 = groupListRow(ia)
985 >                      
986 >                      inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
987 >                        
988 >                         atom2 = groupListCol(jb)
989 >                        
990 >                         if (skipThisPair(atom1, atom2))  cycle inner
991 >                        
992 >                         if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
993 >                            d_atm(1:3) = d_grp(1:3)
994 >                            ratmsq = rgrpsq
995 >                         else
996   #ifdef IS_MPI
997 <                         call get_interatomic_vector(q_Row(:,atom1), &
998 <                              q_Col(:,atom2), d_atm, ratmsq)
997 >                            call get_interatomic_vector(q_Row(:,atom1), &
998 >                                 q_Col(:,atom2), d_atm, ratmsq)
999   #else
1000 <                         call get_interatomic_vector(q(:,atom1), &
1001 <                              q(:,atom2), d_atm, ratmsq)
1000 >                            call get_interatomic_vector(q(:,atom1), &
1001 >                                 q(:,atom2), d_atm, ratmsq)
1002   #endif
1003 <                      endif
1004 <
1005 <                      if (loop .eq. PREPAIR_LOOP) then
1003 >                         endif
1004 >                        
1005 >                         if (loop .eq. PREPAIR_LOOP) then
1006   #ifdef IS_MPI                      
1007 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1008 <                              rgrpsq, d_grp, do_pot, do_stress, &
1009 <                              eFrame, A, f, t, pot_local)
1007 >                            call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1008 >                                 rgrpsq, d_grp, rCut, do_pot, do_stress, &
1009 >                                 eFrame, A, f, t, pot_local)
1010   #else
1011 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1012 <                              rgrpsq, d_grp, do_pot, do_stress, &
1013 <                              eFrame, A, f, t, pot)
1011 >                            call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1012 >                                 rgrpsq, d_grp, rCut, do_pot, do_stress, &
1013 >                                 eFrame, A, f, t, pot)
1014   #endif                                              
1015 <                      else
1015 >                         else
1016   #ifdef IS_MPI                      
1017 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1018 <                              do_pot, &
1019 <                              eFrame, A, f, t, pot_local, vpair, fpair)
1017 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1018 >                                 do_pot, eFrame, A, f, t, pot_local, vpair, &
1019 >                                 fpair, d_grp, rgrp, rCut)
1020   #else
1021 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1022 <                              do_pot,  &
1023 <                              eFrame, A, f, t, pot, vpair, fpair)
1021 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1022 >                                 do_pot, eFrame, A, f, t, pot, vpair, fpair, &
1023 >                                 d_grp, rgrp, rCut)
1024   #endif
1025 +                            vij = vij + vpair
1026 +                            fij(1:3) = fij(1:3) + fpair(1:3)
1027 +                         endif
1028 +                      enddo inner
1029 +                   enddo
1030  
1031 <                         vij = vij + vpair
1032 <                         fij(1:3) = fij(1:3) + fpair(1:3)
1033 <                      endif
1034 <                   enddo inner
1035 <                enddo
1036 <
1037 <                if (loop .eq. PAIR_LOOP) then
1038 <                   if (in_switching_region) then
1039 <                      swderiv = vij*dswdr/rgrp
1040 <                      fij(1) = fij(1) + swderiv*d_grp(1)
883 <                      fij(2) = fij(2) + swderiv*d_grp(2)
884 <                      fij(3) = fij(3) + swderiv*d_grp(3)
885 <
886 <                      do ia=groupStartRow(i), groupStartRow(i+1)-1
887 <                         atom1=groupListRow(ia)
888 <                         mf = mfactRow(atom1)
1031 >                   if (loop .eq. PAIR_LOOP) then
1032 >                      if (in_switching_region) then
1033 >                         swderiv = vij*dswdr/rgrp
1034 >                         fij(1) = fij(1) + swderiv*d_grp(1)
1035 >                         fij(2) = fij(2) + swderiv*d_grp(2)
1036 >                         fij(3) = fij(3) + swderiv*d_grp(3)
1037 >                        
1038 >                         do ia=groupStartRow(i), groupStartRow(i+1)-1
1039 >                            atom1=groupListRow(ia)
1040 >                            mf = mfactRow(atom1)
1041   #ifdef IS_MPI
1042 <                         f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1043 <                         f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1044 <                         f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1042 >                            f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1043 >                            f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1044 >                            f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1045   #else
1046 <                         f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1047 <                         f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1048 <                         f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1046 >                            f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1047 >                            f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1048 >                            f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1049   #endif
1050 <                      enddo
1051 <
1052 <                      do jb=groupStartCol(j), groupStartCol(j+1)-1
1053 <                         atom2=groupListCol(jb)
1054 <                         mf = mfactCol(atom2)
1050 >                         enddo
1051 >                        
1052 >                         do jb=groupStartCol(j), groupStartCol(j+1)-1
1053 >                            atom2=groupListCol(jb)
1054 >                            mf = mfactCol(atom2)
1055   #ifdef IS_MPI
1056 <                         f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1057 <                         f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1058 <                         f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1056 >                            f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1057 >                            f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1058 >                            f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1059   #else
1060 <                         f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1061 <                         f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1062 <                         f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1060 >                            f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1061 >                            f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1062 >                            f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1063   #endif
1064 <                      enddo
1065 <                   endif
1064 >                         enddo
1065 >                      endif
1066  
1067 <                   if (do_stress) call add_stress_tensor(d_grp, fij)
1068 <                endif
1069 <             end if
1067 >                      if (do_stress) call add_stress_tensor(d_grp, fij)
1068 >                   endif
1069 >                endif
1070 >             endif
1071            enddo
1072 +          
1073         enddo outer
1074  
1075         if (update_nlist) then
# Line 975 | Line 1129 | contains
1129  
1130      if (do_pot) then
1131         ! scatter/gather pot_row into the members of my column
1132 <       call scatter(pot_Row, pot_Temp, plan_atom_row)
1133 <
1132 >       do i = 1,LR_POT_TYPES
1133 >          call scatter(pot_Row(i,:), pot_Temp(i,:), plan_atom_row)
1134 >       end do
1135         ! scatter/gather pot_local into all other procs
1136         ! add resultant to get total pot
1137         do i = 1, nlocal
1138 <          pot_local = pot_local + pot_Temp(i)
1138 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES) &
1139 >               + pot_Temp(1:LR_POT_TYPES,i)
1140         enddo
1141  
1142         pot_Temp = 0.0_DP
1143 <
1144 <       call scatter(pot_Col, pot_Temp, plan_atom_col)
1143 >       do i = 1,LR_POT_TYPES
1144 >          call scatter(pot_Col(i,:), pot_Temp(i,:), plan_atom_col)
1145 >       end do
1146         do i = 1, nlocal
1147 <          pot_local = pot_local + pot_Temp(i)
1147 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES)&
1148 >               + pot_Temp(1:LR_POT_TYPES,i)
1149         enddo
1150  
1151      endif
1152   #endif
1153  
1154 <    if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
1154 >    if (SIM_requires_postpair_calc) then
1155 >       do i = 1, nlocal            
1156 >          
1157 >          ! we loop only over the local atoms, so we don't need row and column
1158 >          ! lookups for the types
1159 >          
1160 >          me_i = atid(i)
1161 >          
1162 >          ! is the atom electrostatic?  See if it would have an
1163 >          ! electrostatic interaction with itself
1164 >          iHash = InteractionHash(me_i,me_i)
1165  
1166 <       if (FF_uses_RF .and. SIM_uses_RF) then
999 <
1166 >          if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1167   #ifdef IS_MPI
1168 <          call scatter(rf_Row,rf,plan_atom_row_3d)
1169 <          call scatter(rf_Col,rf_Temp,plan_atom_col_3d)
1003 <          do i = 1,nlocal
1004 <             rf(1:3,i) = rf(1:3,i) + rf_Temp(1:3,i)
1005 <          end do
1006 < #endif
1007 <
1008 <          do i = 1, nLocal
1009 <
1010 <             rfpot = 0.0_DP
1011 < #ifdef IS_MPI
1012 <             me_i = atid_row(i)
1168 >             call self_self(i, eFrame, pot_local(ELECTROSTATIC_POT), &
1169 >                  t, do_pot)
1170   #else
1171 <             me_i = atid(i)
1171 >             call self_self(i, eFrame, pot(ELECTROSTATIC_POT), &
1172 >                  t, do_pot)
1173   #endif
1174 <             iMap = InteractionMap(me_i, me_j)%InteractionHash
1174 >          endif
1175 >  
1176 >          
1177 >          if (electrostaticSummationMethod.eq.REACTION_FIELD) then
1178              
1179 <             if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1180 <
1181 <                mu_i = getDipoleMoment(me_i)
1182 <
1183 <                !! The reaction field needs to include a self contribution
1184 <                !! to the field:
1185 <                call accumulate_self_rf(i, mu_i, eFrame)
1186 <                !! Get the reaction field contribution to the
1187 <                !! potential and torques:
1188 <                call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot)
1179 >             ! loop over the excludes to accumulate RF stuff we've
1180 >             ! left out of the normal pair loop
1181 >            
1182 >             do i1 = 1, nSkipsForAtom(i)
1183 >                j = skipsForAtom(i, i1)
1184 >                
1185 >                ! prevent overcounting of the skips
1186 >                if (i.lt.j) then
1187 >                   call get_interatomic_vector(q(:,i), &
1188 >                        q(:,j), d_atm, ratmsq)
1189 >                   rVal = dsqrt(ratmsq)
1190 >                   call get_switch(ratmsq, sw, dswdr, rVal, group_switch, &
1191 >                        in_switching_region)
1192   #ifdef IS_MPI
1193 <                pot_local = pot_local + rfpot
1193 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1194 >                        vpair, pot_local(ELECTROSTATIC_POT), f, t, do_pot)
1195   #else
1196 <                pot = pot + rfpot
1197 <
1196 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1197 >                        vpair, pot(ELECTROSTATIC_POT), f, t, do_pot)
1198   #endif
1199 <             endif
1200 <          enddo
1201 <       endif
1199 >                endif
1200 >             enddo
1201 >          endif
1202 >       enddo
1203      endif
1204 <
1039 <
1204 >    
1205   #ifdef IS_MPI
1206 <
1206 >    
1207      if (do_pot) then
1208 <       pot = pot + pot_local
1209 <       !! we assume the c code will do the allreduce to get the total potential
1045 <       !! we could do it right here if we needed to...
1208 >       call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_double_precision,mpi_sum, &
1209 >            mpi_comm_world,mpi_err)            
1210      endif
1211 <
1211 >    
1212      if (do_stress) then
1213         call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, &
1214              mpi_comm_world,mpi_err)
1215         call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, &
1216              mpi_comm_world,mpi_err)
1217      endif
1218 <
1218 >    
1219   #else
1220 <
1220 >    
1221      if (do_stress) then
1222         tau = tau_Temp
1223         virial = virial_Temp
1224      endif
1225 <
1225 >    
1226   #endif
1227 <
1227 >    
1228    end subroutine do_force_loop
1229  
1230    subroutine do_pair(i, j, rijsq, d, sw, do_pot, &
1231 <       eFrame, A, f, t, pot, vpair, fpair)
1231 >       eFrame, A, f, t, pot, vpair, fpair, d_grp, r_grp, rCut)
1232  
1233 <    real( kind = dp ) :: pot, vpair, sw
1233 >    real( kind = dp ) :: vpair, sw
1234 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1235      real( kind = dp ), dimension(3) :: fpair
1236      real( kind = dp ), dimension(nLocal)   :: mfact
1237      real( kind = dp ), dimension(9,nLocal) :: eFrame
# Line 1077 | Line 1242 | contains
1242      logical, intent(inout) :: do_pot
1243      integer, intent(in) :: i, j
1244      real ( kind = dp ), intent(inout) :: rijsq
1245 <    real ( kind = dp )                :: r
1245 >    real ( kind = dp ), intent(inout) :: r_grp
1246      real ( kind = dp ), intent(inout) :: d(3)
1247 <    real ( kind = dp ) :: ebalance
1247 >    real ( kind = dp ), intent(inout) :: d_grp(3)
1248 >    real ( kind = dp ), intent(inout) :: rCut
1249 >    real ( kind = dp ) :: r
1250      integer :: me_i, me_j
1251  
1252 <    integer :: iMap
1252 >    integer :: iHash
1253  
1254      r = sqrt(rijsq)
1255      vpair = 0.0d0
# Line 1095 | Line 1262 | contains
1262      me_i = atid(i)
1263      me_j = atid(j)
1264   #endif
1098
1099    iMap = InteractionMap(me_i, me_j)%InteractionHash
1100
1101    if ( iand(iMap, LJ_PAIR).ne.0 ) then
1102       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1103    endif
1104
1105    if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1106       call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1107            pot, eFrame, f, t, do_pot)
1265  
1266 <       if (FF_uses_RF .and. SIM_uses_RF) then
1267 <
1268 <          ! CHECK ME (RF needs to know about all electrostatic types)
1269 <          call accumulate_rf(i, j, r, eFrame, sw)
1270 <          call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1114 <       endif
1115 <
1266 >    iHash = InteractionHash(me_i, me_j)
1267 >    
1268 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1269 >       call do_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1270 >            pot(VDW_POT), f, do_pot)
1271      endif
1272 <
1273 <    if ( iand(iMap, STICKY_PAIR).ne.0 ) then
1272 >    
1273 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1274 >       call doElectrostaticPair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1275 >            pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot)
1276 >    endif
1277 >    
1278 >    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1279         call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1280 <            pot, A, f, t, do_pot)
1280 >            pot(HB_POT), A, f, t, do_pot)
1281      endif
1282 <
1283 <    if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
1282 >    
1283 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1284         call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1285 <            pot, A, f, t, do_pot)
1285 >            pot(HB_POT), A, f, t, do_pot)
1286      endif
1287 <
1288 <    if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
1287 >    
1288 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1289         call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1290 <            pot, A, f, t, do_pot)
1290 >            pot(VDW_POT), A, f, t, do_pot)
1291      endif
1292      
1293 <    if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
1294 < !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1295 < !           pot, A, f, t, do_pot)
1293 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1294 >       call do_gb_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1295 >            pot(VDW_POT), A, f, t, do_pot)
1296      endif
1297 <
1298 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1299 <       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1300 <            do_pot)
1297 >    
1298 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1299 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1300 >            pot(METALLIC_POT), f, do_pot)
1301      endif
1302 <
1303 <    if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
1302 >    
1303 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1304         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1305 <            pot, A, f, t, do_pot)
1305 >            pot(VDW_POT), A, f, t, do_pot)
1306      endif
1307 <
1308 <    if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
1307 >    
1308 >    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1309         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1310 <            pot, A, f, t, do_pot)
1310 >            pot(VDW_POT), A, f, t, do_pot)
1311      endif
1312 +
1313 +    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1314 +       call do_SC_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1315 +            pot(METALLIC_POT), f, do_pot)
1316 +    endif
1317 +
1318      
1319 +    
1320    end subroutine do_pair
1321  
1322 <  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
1322 >  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, rCut, &
1323         do_pot, do_stress, eFrame, A, f, t, pot)
1324  
1325 <    real( kind = dp ) :: pot, sw
1325 >    real( kind = dp ) :: sw
1326 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1327      real( kind = dp ), dimension(9,nLocal) :: eFrame
1328      real (kind=dp), dimension(9,nLocal) :: A
1329      real (kind=dp), dimension(3,nLocal) :: f
# Line 1163 | Line 1331 | contains
1331  
1332      logical, intent(inout) :: do_pot, do_stress
1333      integer, intent(in) :: i, j
1334 <    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq
1334 >    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq, rCut
1335      real ( kind = dp )                :: r, rc
1336      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1337  
1338 <    integer :: me_i, me_j, iMap
1338 >    integer :: me_i, me_j, iHash
1339  
1340 +    r = sqrt(rijsq)
1341 +
1342   #ifdef IS_MPI  
1343      me_i = atid_row(i)
1344      me_j = atid_col(j)  
# Line 1177 | Line 1347 | contains
1347      me_j = atid(j)  
1348   #endif
1349  
1350 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1350 >    iHash = InteractionHash(me_i, me_j)
1351  
1352 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1353 <            call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1352 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1353 >            call calc_EAM_prepair_rho(i, j, d, r, rijsq)
1354 >    endif
1355 >
1356 >    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1357 >            call calc_SC_prepair_rho(i, j, d, r, rijsq, rcut )
1358      endif
1359      
1360    end subroutine do_prepair
# Line 1188 | Line 1362 | contains
1362  
1363    subroutine do_preforce(nlocal,pot)
1364      integer :: nlocal
1365 <    real( kind = dp ) :: pot
1365 >    real( kind = dp ),dimension(LR_POT_TYPES) :: pot
1366  
1367      if (FF_uses_EAM .and. SIM_uses_EAM) then
1368 <       call calc_EAM_preforce_Frho(nlocal,pot)
1368 >       call calc_EAM_preforce_Frho(nlocal,pot(METALLIC_POT))
1369      endif
1370 +    if (FF_uses_SC .and. SIM_uses_SC) then
1371 +       call calc_SC_preforce_Frho(nlocal,pot(METALLIC_POT))
1372 +    endif
1373  
1374  
1375    end subroutine do_preforce
# Line 1277 | Line 1454 | contains
1454      pot_Col = 0.0_dp
1455      pot_Temp = 0.0_dp
1456  
1280    rf_Row = 0.0_dp
1281    rf_Col = 0.0_dp
1282    rf_Temp = 0.0_dp
1283
1457   #endif
1458  
1459      if (FF_uses_EAM .and. SIM_uses_EAM) then
1460         call clean_EAM()
1461      endif
1462  
1290    rf = 0.0_dp
1463      tau_Temp = 0.0_dp
1464      virial_Temp = 0.0_dp
1465    end subroutine zero_work_arrays
# Line 1376 | Line 1548 | contains
1548  
1549    function FF_UsesDirectionalAtoms() result(doesit)
1550      logical :: doesit
1551 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1380 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1381 <         FF_uses_StickyPower .or. FF_uses_GayBerne .or. FF_uses_Shapes
1551 >    doesit = FF_uses_DirectionalAtoms
1552    end function FF_UsesDirectionalAtoms
1553  
1554    function FF_RequiresPrepairCalc() result(doesit)
1555      logical :: doesit
1556 <    doesit = FF_uses_EAM
1556 >    doesit = FF_uses_EAM .or. FF_uses_SC &
1557 >         .or. FF_uses_MEAM
1558    end function FF_RequiresPrepairCalc
1559  
1389  function FF_RequiresPostpairCalc() result(doesit)
1390    logical :: doesit
1391    doesit = FF_uses_RF
1392  end function FF_RequiresPostpairCalc
1393
1560   #ifdef PROFILE
1561    function getforcetime() result(totalforcetime)
1562      real(kind=dp) :: totalforcetime

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