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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 2530 by chuckv, Fri Dec 30 00:18:28 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 1.72 2005-12-30 00:18:28 chuckv Exp $, $Date: 2005-12-30 00:18:28 $, $Name: not supported by cvs2svn $, $Revision: 1.72 $
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 :: i_is_SC
285 >    logical :: GtypeFound
286  
287 <    integer :: iMap
288 <    integer :: map_i,map_j
289 <    real(kind=dp) :: thisRCut = 0.0_dp
290 <    real(kind=dp) :: actualCutoff = 0.0_dp
291 <    integer, intent(out) :: stat
292 <    integer :: nAtypes
293 <    integer :: myStatus
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 <    stat = 0
296 <    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
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)
315 <             if (thisRcut > actualCutoff) actualCutoff = thisRcut
352 >                    
353 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
354 >             biggestAtypeCutoff = atypeMaxCutoff(i)
355            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
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 <     haveRlist = .true.
394 <   end subroutine createGroupCutoffs
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 <  subroutine setSimVariables()
403 <    SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
404 <    SIM_uses_LennardJones = SimUsesLennardJones()
405 <    SIM_uses_Electrostatics = SimUsesElectrostatics()
406 <    SIM_uses_Charges = SimUsesCharges()
407 <    SIM_uses_Dipoles = SimUsesDipoles()
408 <    SIM_uses_Sticky = SimUsesSticky()
409 <    SIM_uses_StickyPower = SimUsesStickyPower()
410 <    SIM_uses_GayBerne = SimUsesGayBerne()
411 <    SIM_uses_EAM = SimUsesEAM()
412 <    SIM_uses_Shapes = SimUsesShapes()
413 <    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()
402 >    if(.not.associated(groupToGtypeCol)) then
403 >       allocate(groupToGtypeCol(jend))
404 >    else
405 >       deallocate(groupToGtypeCol)
406 >       allocate(groupToGtypeCol(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 <    haveSIMvariables = .true.
415 >       groupMaxCutoffCol = 0.0_dp
416 >       gtypeMaxCutoffCol = 0.0_dp
417  
418 <    return
419 <  end subroutine setSimVariables
418 > #endif
419 >       groupMaxCutoffRow = 0.0_dp
420 >       gtypeMaxCutoffRow = 0.0_dp
421  
422 +
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 +
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 + #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 +          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 394 | Line 650 | contains
650  
651      error = 0
652  
653 <    if (.not. haveInteractionMap) then
654 <      
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
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 439 | Line 697 | contains
697    end subroutine doReadyCheck
698  
699  
700 <  subroutine init_FF(use_RF_c, thisStat)
700 >  subroutine init_FF(thisStat)
701  
444    logical, intent(in) :: use_RF_c
445
702      integer, intent(out) :: thisStat  
703      integer :: my_status, nMatches
704      integer, pointer :: MatchList(:) => null()
449    real(kind=dp) :: rcut, rrf, rt, dielect
705  
706      !! assume things are copacetic, unless they aren't
707      thisStat = 0
708  
454    !! Fortran's version of a cast:
455    FF_uses_RF = use_RF_c
456
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 461 | Line 713 | contains
713      !! interactions are used by the force field.    
714  
715      FF_uses_DirectionalAtoms = .false.
464    FF_uses_LennardJones = .false.
465    FF_uses_Electrostatics = .false.
466    FF_uses_Charges = .false.    
716      FF_uses_Dipoles = .false.
468    FF_uses_Sticky = .false.
469    FF_uses_StickyPower = .false.
717      FF_uses_GayBerne = .false.
718      FF_uses_EAM = .false.
472    FF_uses_Shapes = .false.
473    FF_uses_FLARB = .false.
719  
720      call getMatchingElementList(atypes, "is_Directional", .true., &
721           nMatches, MatchList)
722      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
723  
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
724      call getMatchingElementList(atypes, "is_Dipole", .true., &
725           nMatches, MatchList)
726 <    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
726 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
727      
728      call getMatchingElementList(atypes, "is_GayBerne", .true., &
729           nMatches, MatchList)
730 <    if (nMatches .gt. 0) then
529 <       FF_uses_GayBerne = .true.
530 <       FF_uses_DirectionalAtoms = .true.
531 <    endif
730 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
731  
732      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
733      if (nMatches .gt. 0) FF_uses_EAM = .true.
734  
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
735  
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)
736      haveSaneForceField = .true.
549
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
737  
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
738      if (FF_uses_EAM) then
739         call init_EAM_FF(my_status)
740         if (my_status /= 0) then
# Line 583 | Line 745 | contains
745         end if
746      endif
747  
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
748      if (.not. haveNeighborList) then
749         !! Create neighbor lists
750         call expandNeighborList(nLocal, my_status)
# Line 628 | Line 778 | contains
778  
779      !! Stress Tensor
780      real( kind = dp), dimension(9) :: tau  
781 <    real ( kind = dp ) :: pot
781 >    real ( kind = dp ),dimension(LR_POT_TYPES) :: pot
782      logical ( kind = 2) :: do_pot_c, do_stress_c
783      logical :: do_pot
784      logical :: do_stress
785      logical :: in_switching_region
786   #ifdef IS_MPI
787 <    real( kind = DP ) :: pot_local
787 >    real( kind = DP ), dimension(LR_POT_TYPES) :: pot_local
788      integer :: nAtomsInRow
789      integer :: nAtomsInCol
790      integer :: nprocs
# Line 649 | Line 799 | contains
799      integer :: nlist
800      real( kind = DP ) :: ratmsq, rgrpsq, rgrp, vpair, vij
801      real( kind = DP ) :: sw, dswdr, swderiv, mf
802 +    real( kind = DP ) :: rVal
803      real(kind=dp),dimension(3) :: d_atm, d_grp, fpair, fij
804      real(kind=dp) :: rfpot, mu_i, virial
805 +    real(kind=dp):: rCut
806      integer :: me_i, me_j, n_in_i, n_in_j
807      logical :: is_dp_i
808      integer :: neighborListSize
# Line 658 | Line 810 | contains
810      integer :: localError
811      integer :: propPack_i, propPack_j
812      integer :: loopStart, loopEnd, loop
813 <    integer :: iMap
814 <    real(kind=dp) :: listSkin = 1.0  
813 >    integer :: iHash
814 >    integer :: i1
815 >  
816  
817      !! initialize local variables  
818  
# Line 723 | Line 876 | contains
876         ! (but only on the first time through):
877         if (loop .eq. loopStart) then
878   #ifdef IS_MPI
879 <          call checkNeighborList(nGroupsInRow, q_group_row, listSkin, &
879 >          call checkNeighborList(nGroupsInRow, q_group_row, skinThickness, &
880                 update_nlist)
881   #else
882 <          call checkNeighborList(nGroups, q_group, listSkin, &
882 >          call checkNeighborList(nGroups, q_group, skinThickness, &
883                 update_nlist)
884   #endif
885         endif
# Line 750 | Line 903 | contains
903   #endif
904         outer: do i = istart, iend
905  
753 #ifdef IS_MPI
754             me_i = atid_row(i)
755 #else
756             me_i = atid(i)
757 #endif
758
906            if (update_nlist) point(i) = nlist + 1
907  
908            n_in_i = groupStartRow(i+1) - groupStartRow(i)
# Line 790 | Line 937 | contains
937               me_j = atid(j)
938               call get_interatomic_vector(q_group(:,i), &
939                    q_group(:,j), d_grp, rgrpsq)
940 < #endif
940 > #endif      
941  
942 <             if (rgrpsq < InteractionMap(me_i,me_j)%rListsq) then
942 >             if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then
943                  if (update_nlist) then
944                     nlist = nlist + 1
945  
# Line 812 | Line 959 | contains
959  
960                     list(nlist) = j
961                  endif
962 +
963  
964 <                if (loop .eq. PAIR_LOOP) then
965 <                   vij = 0.0d0
818 <                   fij(1:3) = 0.0d0
819 <                endif
964 >                
965 >                if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCutsq) then
966  
967 <                call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, &
968 <                     in_switching_region)
969 <
970 <                n_in_j = groupStartCol(j+1) - groupStartCol(j)
971 <
972 <                do ia = groupStartRow(i), groupStartRow(i+1)-1
973 <
974 <                   atom1 = groupListRow(ia)
975 <
976 <                   inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
977 <
978 <                      atom2 = groupListCol(jb)
979 <
980 <                      if (skipThisPair(atom1, atom2)) cycle inner
981 <
982 <                      if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
983 <                         d_atm(1:3) = d_grp(1:3)
984 <                         ratmsq = rgrpsq
985 <                      else
967 >                   rCut = gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rCut
968 >                   if (loop .eq. PAIR_LOOP) then
969 >                      vij = 0.0d0
970 >                      fij(1:3) = 0.0d0
971 >                   endif
972 >                  
973 >                   call get_switch(rgrpsq, sw, dswdr, rgrp, &
974 >                        group_switch, in_switching_region)
975 >                  
976 >                   n_in_j = groupStartCol(j+1) - groupStartCol(j)
977 >                  
978 >                   do ia = groupStartRow(i), groupStartRow(i+1)-1
979 >                      
980 >                      atom1 = groupListRow(ia)
981 >                      
982 >                      inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
983 >                        
984 >                         atom2 = groupListCol(jb)
985 >                        
986 >                         if (skipThisPair(atom1, atom2))  cycle inner
987 >                        
988 >                         if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
989 >                            d_atm(1:3) = d_grp(1:3)
990 >                            ratmsq = rgrpsq
991 >                         else
992   #ifdef IS_MPI
993 <                         call get_interatomic_vector(q_Row(:,atom1), &
994 <                              q_Col(:,atom2), d_atm, ratmsq)
993 >                            call get_interatomic_vector(q_Row(:,atom1), &
994 >                                 q_Col(:,atom2), d_atm, ratmsq)
995   #else
996 <                         call get_interatomic_vector(q(:,atom1), &
997 <                              q(:,atom2), d_atm, ratmsq)
996 >                            call get_interatomic_vector(q(:,atom1), &
997 >                                 q(:,atom2), d_atm, ratmsq)
998   #endif
999 <                      endif
1000 <
1001 <                      if (loop .eq. PREPAIR_LOOP) then
999 >                         endif
1000 >                        
1001 >                         if (loop .eq. PREPAIR_LOOP) then
1002   #ifdef IS_MPI                      
1003 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1004 <                              rgrpsq, d_grp, do_pot, do_stress, &
1005 <                              eFrame, A, f, t, pot_local)
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_local)
1006   #else
1007 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
1008 <                              rgrpsq, d_grp, do_pot, do_stress, &
1009 <                              eFrame, A, f, t, pot)
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)
1010   #endif                                              
1011 <                      else
1011 >                         else
1012   #ifdef IS_MPI                      
1013 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1014 <                              do_pot, &
1015 <                              eFrame, A, f, t, pot_local, vpair, fpair)
1013 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1014 >                                 do_pot, eFrame, A, f, t, pot_local, vpair, &
1015 >                                 fpair, d_grp, rgrp, rCut)
1016   #else
1017 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1018 <                              do_pot,  &
1019 <                              eFrame, A, f, t, pot, vpair, fpair)
1017 >                            call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1018 >                                 do_pot, eFrame, A, f, t, pot, vpair, fpair, &
1019 >                                 d_grp, rgrp, rCut)
1020   #endif
1021 +                            vij = vij + vpair
1022 +                            fij(1:3) = fij(1:3) + fpair(1:3)
1023 +                         endif
1024 +                      enddo inner
1025 +                   enddo
1026  
1027 <                         vij = vij + vpair
1028 <                         fij(1:3) = fij(1:3) + fpair(1:3)
1029 <                      endif
1030 <                   enddo inner
1031 <                enddo
1032 <
1033 <                if (loop .eq. PAIR_LOOP) then
1034 <                   if (in_switching_region) then
1035 <                      swderiv = vij*dswdr/rgrp
1036 <                      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)
1027 >                   if (loop .eq. PAIR_LOOP) then
1028 >                      if (in_switching_region) then
1029 >                         swderiv = vij*dswdr/rgrp
1030 >                         fij(1) = fij(1) + swderiv*d_grp(1)
1031 >                         fij(2) = fij(2) + swderiv*d_grp(2)
1032 >                         fij(3) = fij(3) + swderiv*d_grp(3)
1033 >                        
1034 >                         do ia=groupStartRow(i), groupStartRow(i+1)-1
1035 >                            atom1=groupListRow(ia)
1036 >                            mf = mfactRow(atom1)
1037   #ifdef IS_MPI
1038 <                         f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1039 <                         f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1040 <                         f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1038 >                            f_Row(1,atom1) = f_Row(1,atom1) + swderiv*d_grp(1)*mf
1039 >                            f_Row(2,atom1) = f_Row(2,atom1) + swderiv*d_grp(2)*mf
1040 >                            f_Row(3,atom1) = f_Row(3,atom1) + swderiv*d_grp(3)*mf
1041   #else
1042 <                         f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1043 <                         f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1044 <                         f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1042 >                            f(1,atom1) = f(1,atom1) + swderiv*d_grp(1)*mf
1043 >                            f(2,atom1) = f(2,atom1) + swderiv*d_grp(2)*mf
1044 >                            f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
1045   #endif
1046 <                      enddo
1047 <
1048 <                      do jb=groupStartCol(j), groupStartCol(j+1)-1
1049 <                         atom2=groupListCol(jb)
1050 <                         mf = mfactCol(atom2)
1046 >                         enddo
1047 >                        
1048 >                         do jb=groupStartCol(j), groupStartCol(j+1)-1
1049 >                            atom2=groupListCol(jb)
1050 >                            mf = mfactCol(atom2)
1051   #ifdef IS_MPI
1052 <                         f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1053 <                         f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1054 <                         f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1052 >                            f_Col(1,atom2) = f_Col(1,atom2) - swderiv*d_grp(1)*mf
1053 >                            f_Col(2,atom2) = f_Col(2,atom2) - swderiv*d_grp(2)*mf
1054 >                            f_Col(3,atom2) = f_Col(3,atom2) - swderiv*d_grp(3)*mf
1055   #else
1056 <                         f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1057 <                         f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1058 <                         f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1056 >                            f(1,atom2) = f(1,atom2) - swderiv*d_grp(1)*mf
1057 >                            f(2,atom2) = f(2,atom2) - swderiv*d_grp(2)*mf
1058 >                            f(3,atom2) = f(3,atom2) - swderiv*d_grp(3)*mf
1059   #endif
1060 <                      enddo
1061 <                   endif
1060 >                         enddo
1061 >                      endif
1062  
1063 <                   if (do_stress) call add_stress_tensor(d_grp, fij)
1063 >                      if (do_stress) call add_stress_tensor(d_grp, fij)
1064 >                   endif
1065                  endif
1066 <             end if
1066 >             endif
1067            enddo
1068 +          
1069         enddo outer
1070  
1071         if (update_nlist) then
# Line 972 | Line 1125 | contains
1125  
1126      if (do_pot) then
1127         ! scatter/gather pot_row into the members of my column
1128 <       call scatter(pot_Row, pot_Temp, plan_atom_row)
1129 <
1128 >       do i = 1,LR_POT_TYPES
1129 >          call scatter(pot_Row(i,:), pot_Temp(i,:), plan_atom_row)
1130 >       end do
1131         ! scatter/gather pot_local into all other procs
1132         ! add resultant to get total pot
1133         do i = 1, nlocal
1134 <          pot_local = pot_local + pot_Temp(i)
1134 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES) &
1135 >               + pot_Temp(1:LR_POT_TYPES,i)
1136         enddo
1137  
1138         pot_Temp = 0.0_DP
1139 <
1140 <       call scatter(pot_Col, pot_Temp, plan_atom_col)
1139 >       do i = 1,LR_POT_TYPES
1140 >          call scatter(pot_Col(i,:), pot_Temp(i,:), plan_atom_col)
1141 >       end do
1142         do i = 1, nlocal
1143 <          pot_local = pot_local + pot_Temp(i)
1143 >          pot_local(1:LR_POT_TYPES) = pot_local(1:LR_POT_TYPES)&
1144 >               + pot_Temp(1:LR_POT_TYPES,i)
1145         enddo
1146  
1147      endif
1148   #endif
1149  
1150 <    if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
1150 >    if (SIM_requires_postpair_calc) then
1151 >       do i = 1, nlocal            
1152 >          
1153 >          ! we loop only over the local atoms, so we don't need row and column
1154 >          ! lookups for the types
1155 >          
1156 >          me_i = atid(i)
1157 >          
1158 >          ! is the atom electrostatic?  See if it would have an
1159 >          ! electrostatic interaction with itself
1160 >          iHash = InteractionHash(me_i,me_i)
1161  
1162 <       if (FF_uses_RF .and. SIM_uses_RF) then
996 <
1162 >          if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1163   #ifdef IS_MPI
1164 <          call scatter(rf_Row,rf,plan_atom_row_3d)
1165 <          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)
1164 >             call self_self(i, eFrame, pot_local(ELECTROSTATIC_POT), &
1165 >                  t, do_pot)
1166   #else
1167 <             me_i = atid(i)
1167 >             call self_self(i, eFrame, pot(ELECTROSTATIC_POT), &
1168 >                  t, do_pot)
1169   #endif
1170 <             iMap = InteractionHash(me_i,me_j)
1170 >          endif
1171 >  
1172 >          
1173 >          if (electrostaticSummationMethod.eq.REACTION_FIELD) then
1174              
1175 <             if ( iand(iMap, ELECTROSTATIC_PAIR).ne.0 ) then
1176 <
1177 <                mu_i = getDipoleMoment(me_i)
1178 <
1179 <                !! The reaction field needs to include a self contribution
1180 <                !! to the field:
1181 <                call accumulate_self_rf(i, mu_i, eFrame)
1182 <                !! Get the reaction field contribution to the
1183 <                !! potential and torques:
1184 <                call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot)
1175 >             ! loop over the excludes to accumulate RF stuff we've
1176 >             ! left out of the normal pair loop
1177 >            
1178 >             do i1 = 1, nSkipsForAtom(i)
1179 >                j = skipsForAtom(i, i1)
1180 >                
1181 >                ! prevent overcounting of the skips
1182 >                if (i.lt.j) then
1183 >                   call get_interatomic_vector(q(:,i), &
1184 >                        q(:,j), d_atm, ratmsq)
1185 >                   rVal = dsqrt(ratmsq)
1186 >                   call get_switch(ratmsq, sw, dswdr, rVal, group_switch, &
1187 >                        in_switching_region)
1188   #ifdef IS_MPI
1189 <                pot_local = pot_local + rfpot
1189 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1190 >                        vpair, pot_local(ELECTROSTATIC_POT), f, t, do_pot)
1191   #else
1192 <                pot = pot + rfpot
1193 <
1192 >                   call rf_self_excludes(i, j, sw, eFrame, d_atm, rVal, &
1193 >                        vpair, pot(ELECTROSTATIC_POT), f, t, do_pot)
1194   #endif
1195 <             endif
1196 <          enddo
1197 <       endif
1195 >                endif
1196 >             enddo
1197 >          endif
1198 >       enddo
1199      endif
1200 <
1036 <
1200 >    
1201   #ifdef IS_MPI
1202 <
1202 >    
1203      if (do_pot) then
1204 <       pot = pot + pot_local
1205 <       !! 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...
1204 >       call mpi_allreduce(pot_local, pot, LR_POT_TYPES,mpi_double_precision,mpi_sum, &
1205 >            mpi_comm_world,mpi_err)            
1206      endif
1207 <
1207 >    
1208      if (do_stress) then
1209         call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, &
1210              mpi_comm_world,mpi_err)
1211         call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, &
1212              mpi_comm_world,mpi_err)
1213      endif
1214 <
1214 >    
1215   #else
1216 <
1216 >    
1217      if (do_stress) then
1218         tau = tau_Temp
1219         virial = virial_Temp
1220      endif
1221 <
1221 >    
1222   #endif
1223 <
1223 >    
1224    end subroutine do_force_loop
1225  
1226    subroutine do_pair(i, j, rijsq, d, sw, do_pot, &
1227 <       eFrame, A, f, t, pot, vpair, fpair)
1227 >       eFrame, A, f, t, pot, vpair, fpair, d_grp, r_grp, rCut)
1228  
1229 <    real( kind = dp ) :: pot, vpair, sw
1229 >    real( kind = dp ) :: vpair, sw
1230 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1231      real( kind = dp ), dimension(3) :: fpair
1232      real( kind = dp ), dimension(nLocal)   :: mfact
1233      real( kind = dp ), dimension(9,nLocal) :: eFrame
# Line 1074 | Line 1238 | contains
1238      logical, intent(inout) :: do_pot
1239      integer, intent(in) :: i, j
1240      real ( kind = dp ), intent(inout) :: rijsq
1241 <    real ( kind = dp )                :: r
1241 >    real ( kind = dp ), intent(inout) :: r_grp
1242      real ( kind = dp ), intent(inout) :: d(3)
1243 <    real ( kind = dp ) :: ebalance
1243 >    real ( kind = dp ), intent(inout) :: d_grp(3)
1244 >    real ( kind = dp ), intent(inout) :: rCut
1245 >    real ( kind = dp ) :: r
1246      integer :: me_i, me_j
1247  
1248 <    integer :: iMap
1248 >    integer :: iHash
1249  
1250      r = sqrt(rijsq)
1251      vpair = 0.0d0
# Line 1093 | Line 1259 | contains
1259      me_j = atid(j)
1260   #endif
1261  
1262 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1263 <
1264 <    if ( iand(iMap, LJ_PAIR).ne.0 ) then
1265 <       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1266 <    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 <
1262 >    iHash = InteractionHash(me_i, me_j)
1263 >    
1264 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1265 >       call do_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1266 >            pot(VDW_POT), f, do_pot)
1267      endif
1268 <
1269 <    if ( iand(iMap, STICKY_PAIR).ne.0 ) then
1268 >    
1269 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1270 >       call doElectrostaticPair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1271 >            pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot)
1272 >    endif
1273 >    
1274 >    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1275         call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1276 <            pot, A, f, t, do_pot)
1276 >            pot(HB_POT), A, f, t, do_pot)
1277      endif
1278 <
1279 <    if ( iand(iMap, STICKYPOWER_PAIR).ne.0 ) then
1278 >    
1279 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1280         call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1281 <            pot, A, f, t, do_pot)
1281 >            pot(HB_POT), A, f, t, do_pot)
1282      endif
1283 <
1284 <    if ( iand(iMap, GAYBERNE_PAIR).ne.0 ) then
1283 >    
1284 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1285         call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1286 <            pot, A, f, t, do_pot)
1286 >            pot(VDW_POT), A, f, t, do_pot)
1287      endif
1288      
1289 <    if ( iand(iMap, GAYBERNE_LJ).ne.0 ) then
1290 < !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1291 < !           pot, A, f, t, do_pot)
1289 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1290 >       call do_gb_lj_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1291 >            pot(VDW_POT), A, f, t, do_pot)
1292      endif
1293 <
1294 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1295 <       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1296 <            do_pot)
1293 >    
1294 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1295 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1296 >            pot(METALLIC_POT), f, do_pot)
1297      endif
1298 <
1299 <    if ( iand(iMap, SHAPE_PAIR).ne.0 ) then      
1298 >    
1299 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1300         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1301 <            pot, A, f, t, do_pot)
1301 >            pot(VDW_POT), A, f, t, do_pot)
1302      endif
1303 <
1304 <    if ( iand(iMap, SHAPE_LJ).ne.0 ) then      
1303 >    
1304 >    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1305         call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1306 <            pot, A, f, t, do_pot)
1306 >            pot(VDW_POT), A, f, t, do_pot)
1307      endif
1308 +
1309 +    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1310 +       call do_SC_pair(i, j, d, r, rijsq, rcut, sw, vpair, fpair, &
1311 +            pot(METALLIC_POT), f, do_pot)
1312 +    endif
1313 +
1314      
1315 +    
1316    end subroutine do_pair
1317  
1318 <  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
1318 >  subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, rCut, &
1319         do_pot, do_stress, eFrame, A, f, t, pot)
1320  
1321 <    real( kind = dp ) :: pot, sw
1321 >    real( kind = dp ) :: sw
1322 >    real( kind = dp ), dimension(LR_POT_TYPES) :: pot
1323      real( kind = dp ), dimension(9,nLocal) :: eFrame
1324      real (kind=dp), dimension(9,nLocal) :: A
1325      real (kind=dp), dimension(3,nLocal) :: f
# Line 1160 | Line 1327 | contains
1327  
1328      logical, intent(inout) :: do_pot, do_stress
1329      integer, intent(in) :: i, j
1330 <    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq
1330 >    real ( kind = dp ), intent(inout)    :: rijsq, rcijsq, rCut
1331      real ( kind = dp )                :: r, rc
1332      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1333  
1334 <    integer :: me_i, me_j, iMap
1334 >    integer :: me_i, me_j, iHash
1335  
1336 +    r = sqrt(rijsq)
1337 +
1338   #ifdef IS_MPI  
1339      me_i = atid_row(i)
1340      me_j = atid_col(j)  
# Line 1174 | Line 1343 | contains
1343      me_j = atid(j)  
1344   #endif
1345  
1346 <    iMap = InteractionMap(me_i, me_j)%InteractionHash
1346 >    iHash = InteractionHash(me_i, me_j)
1347  
1348 <    if ( iand(iMap, EAM_PAIR).ne.0 ) then      
1349 <            call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1348 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1349 >            call calc_EAM_prepair_rho(i, j, d, r, rijsq)
1350      endif
1351 +
1352 +    if ( iand(iHash, SC_PAIR).ne.0 ) then      
1353 +            call calc_SC_prepair_rho(i, j, d, r, rijsq, rcut )
1354 +    endif
1355      
1356    end subroutine do_prepair
1357  
1358  
1359    subroutine do_preforce(nlocal,pot)
1360      integer :: nlocal
1361 <    real( kind = dp ) :: pot
1361 >    real( kind = dp ),dimension(LR_POT_TYPES) :: pot
1362  
1363      if (FF_uses_EAM .and. SIM_uses_EAM) then
1364 <       call calc_EAM_preforce_Frho(nlocal,pot)
1364 >       call calc_EAM_preforce_Frho(nlocal,pot(METALLIC_POT))
1365      endif
1366 +    if (FF_uses_SC .and. SIM_uses_SC) then
1367 +       call calc_SC_preforce_Frho(nlocal,pot(METALLIC_POT))
1368 +    endif
1369  
1370  
1371    end subroutine do_preforce
# Line 1274 | Line 1450 | contains
1450      pot_Col = 0.0_dp
1451      pot_Temp = 0.0_dp
1452  
1277    rf_Row = 0.0_dp
1278    rf_Col = 0.0_dp
1279    rf_Temp = 0.0_dp
1280
1453   #endif
1454  
1455      if (FF_uses_EAM .and. SIM_uses_EAM) then
1456         call clean_EAM()
1457      endif
1458  
1287    rf = 0.0_dp
1459      tau_Temp = 0.0_dp
1460      virial_Temp = 0.0_dp
1461    end subroutine zero_work_arrays
# Line 1373 | Line 1544 | contains
1544  
1545    function FF_UsesDirectionalAtoms() result(doesit)
1546      logical :: doesit
1547 <    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
1547 >    doesit = FF_uses_DirectionalAtoms
1548    end function FF_UsesDirectionalAtoms
1549  
1550    function FF_RequiresPrepairCalc() result(doesit)
1551      logical :: doesit
1552 <    doesit = FF_uses_EAM
1552 >    doesit = FF_uses_EAM .or. FF_uses_SC &
1553 >         .or. FF_uses_MEAM
1554    end function FF_RequiresPrepairCalc
1555  
1386  function FF_RequiresPostpairCalc() result(doesit)
1387    logical :: doesit
1388    doesit = FF_uses_RF
1389  end function FF_RequiresPostpairCalc
1390
1556   #ifdef PROFILE
1557    function getforcetime() result(totalforcetime)
1558      real(kind=dp) :: totalforcetime

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