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Comparing trunk/OOPSE-4/src/UseTheForce/doForces.F90 (file contents):
Revision 2211 by chrisfen, Thu Apr 21 14:12:19 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 1.14 2005-04-21 14:12:19 chrisfen Exp $, $Date: 2005-04-21 14:12:19 $, $Name: not supported by cvs2svn $, $Revision: 1.14 $
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  
80  logical, save :: haveRlist = .false.
84    logical, save :: haveNeighborList = .false.
85    logical, save :: haveSIMvariables = .false.
83  logical, save :: havePropertyMap = .false.
86    logical, save :: haveSaneForceField = .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
87  logical, save :: FF_uses_LennardJones
88  logical, save :: FF_uses_Electrostatics
89  logical, save :: FF_uses_Charges
96    logical, save :: FF_uses_Dipoles
91  logical, save :: FF_uses_Quadrupoles
92  logical, save :: FF_uses_sticky
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
100  logical, save :: SIM_uses_LennardJones
101  logical, save :: SIM_uses_Electrostatics
102  logical, save :: SIM_uses_Charges
103  logical, save :: SIM_uses_Dipoles
104  logical, save :: SIM_uses_Quadrupoles
105  logical, save :: SIM_uses_Sticky
106  logical, save :: SIM_uses_GayBerne
104    logical, save :: SIM_uses_EAM
105 <  logical, save :: SIM_uses_Shapes
106 <  logical, save :: SIM_uses_FLARB
110 <  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
114  logical, save :: SIM_uses_molecular_cutoffs
110  
111 <  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
120  public :: setRlistDF
125  
126   #ifdef PROFILE
127    public :: getforcetime
# Line 125 | Line 129 | module doForces
129    real :: forceTimeInitial, forceTimeFinal
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 +  real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
137 +  real(kind=dp), dimension(:), allocatable, target :: groupMaxCutoffRow
138 +  real(kind=dp), dimension(:), pointer :: groupMaxCutoffCol
139  
140 <  type :: Properties
141 <     logical :: is_Directional   = .false.
131 <     logical :: is_LennardJones  = .false.
132 <     logical :: is_Electrostatic = .false.
133 <     logical :: is_Charge        = .false.
134 <     logical :: is_Dipole        = .false.
135 <     logical :: is_Quadrupole    = .false.
136 <     logical :: is_Sticky        = .false.
137 <     logical :: is_GayBerne      = .false.
138 <     logical :: is_EAM           = .false.
139 <     logical :: is_Shape         = .false.
140 <     logical :: is_FLARB         = .false.
141 <  end type Properties
140 >  integer, dimension(:), allocatable, target :: groupToGtypeRow
141 >  integer, dimension(:), pointer :: groupToGtypeCol => null()
142  
143 <  type(Properties), dimension(:),allocatable :: PropertyMap
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 <  subroutine setRlistDF( this_rlist )
148 <
149 <    real(kind=dp) :: this_rlist
150 <
151 <    rlist = this_rlist
152 <    rlistsq = rlist * rlist
153 <
154 <    haveRlist = .true.
155 <
156 <  end subroutine setRlistDF
157 <
158 <  subroutine createPropertyMap(status)
154 >  subroutine createInteractionHash()
155      integer :: nAtypes
160    integer :: status
156      integer :: i
157 <    logical :: thisProperty
158 <    real (kind=DP) :: thisDPproperty
157 >    integer :: j
158 >    integer :: iHash
159 >    !! Test Types
160 >    logical :: i_is_LJ
161 >    logical :: i_is_Elect
162 >    logical :: i_is_Sticky
163 >    logical :: i_is_StickyP
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
172 >    logical :: j_is_StickyP
173 >    logical :: j_is_GB
174 >    logical :: j_is_EAM
175 >    logical :: j_is_Shape
176 >    logical :: j_is_SC
177 >    logical :: j_is_MEAM
178 >    real(kind=dp) :: myRcut
179  
180 <    status = 0
181 <
180 >    if (.not. associated(atypes)) then
181 >       call handleError("doForces", "atypes was not present before call of createInteractionHash!")
182 >       return
183 >    endif
184 >    
185      nAtypes = getSize(atypes)
186 <
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(PropertyMap)) then
193 <       allocate(PropertyMap(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_Directional", thisProperty)
208 <       PropertyMap(i)%is_Directional = thisProperty
207 >       call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
208 >       call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
209 >       call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
210 >       call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
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 <       call getElementProperty(atypes, i, "is_LennardJones", thisProperty)
183 <       PropertyMap(i)%is_LennardJones = thisProperty
217 >       do j = i, nAtypes
218  
219 <       call getElementProperty(atypes, i, "is_Electrostatic", thisProperty)
220 <       PropertyMap(i)%is_Electrostatic = thisProperty
219 >          iHash = 0
220 >          myRcut = 0.0_dp
221  
222 <       call getElementProperty(atypes, i, "is_Charge", thisProperty)
223 <       PropertyMap(i)%is_Charge = thisProperty
224 <
225 <       call getElementProperty(atypes, i, "is_Dipole", thisProperty)
226 <       PropertyMap(i)%is_Dipole = thisProperty
222 >          call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ)
223 >          call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect)
224 >          call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky)
225 >          call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP)
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 <       call getElementProperty(atypes, i, "is_Quadrupole", thisProperty)
233 <       PropertyMap(i)%is_Quadrupole = thisProperty
232 >          if (i_is_LJ .and. j_is_LJ) then
233 >             iHash = ior(iHash, LJ_PAIR)            
234 >          endif
235 >          
236 >          if (i_is_Elect .and. j_is_Elect) then
237 >             iHash = ior(iHash, ELECTROSTATIC_PAIR)
238 >          endif
239 >          
240 >          if (i_is_Sticky .and. j_is_Sticky) then
241 >             iHash = ior(iHash, STICKY_PAIR)
242 >          endif
243  
244 <       call getElementProperty(atypes, i, "is_Sticky", thisProperty)
245 <       PropertyMap(i)%is_Sticky = thisProperty
244 >          if (i_is_StickyP .and. j_is_StickyP) then
245 >             iHash = ior(iHash, STICKYPOWER_PAIR)
246 >          endif
247  
248 <       call getElementProperty(atypes, i, "is_GayBerne", thisProperty)
249 <       PropertyMap(i)%is_GayBerne = thisProperty
248 >          if (i_is_EAM .and. j_is_EAM) then
249 >             iHash = ior(iHash, EAM_PAIR)
250 >          endif
251  
252 <       call getElementProperty(atypes, i, "is_EAM", thisProperty)
253 <       PropertyMap(i)%is_EAM = thisProperty
252 >          if (i_is_SC .and. j_is_SC) then
253 >             iHash = ior(iHash, SC_PAIR)
254 >          endif
255  
256 <       call getElementProperty(atypes, i, "is_Shape", thisProperty)
257 <       PropertyMap(i)%is_Shape = thisProperty
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)
259  
260 <       call getElementProperty(atypes, i, "is_FLARB", thisProperty)
261 <       PropertyMap(i)%is_FLARB = thisProperty
260 >          if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR)
261 >          if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ)
262 >          if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
263 >
264 >
265 >          InteractionHash(i,j) = iHash
266 >          InteractionHash(j,i) = iHash
267 >
268 >       end do
269 >
270      end do
271  
272 <    havePropertyMap = .true.
272 >    haveInteractionHash = .true.
273 >  end subroutine createInteractionHash
274  
275 <  end subroutine createPropertyMap
275 >  subroutine createGtypeCutoffMap()
276  
277 <  subroutine setSimVariables()
278 <    SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
279 <    SIM_uses_LennardJones = SimUsesLennardJones()
280 <    SIM_uses_Electrostatics = SimUsesElectrostatics()
281 <    SIM_uses_Charges = SimUsesCharges()
282 <    SIM_uses_Dipoles = SimUsesDipoles()
283 <    SIM_uses_Sticky = SimUsesSticky()
284 <    SIM_uses_GayBerne = SimUsesGayBerne()
285 <    SIM_uses_EAM = SimUsesEAM()
226 <    SIM_uses_Shapes = SimUsesShapes()
227 <    SIM_uses_FLARB = SimUsesFLARB()
228 <    SIM_uses_RF = SimUsesRF()
229 <    SIM_requires_postpair_calc = SimRequiresPostpairCalc()
230 <    SIM_requires_prepair_calc = SimRequiresPrepairCalc()
231 <    SIM_uses_PBC = SimUsesPBC()
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 <    haveSIMvariables = .true.
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 <    return
296 <  end subroutine setSimVariables
295 >    if (.not. haveInteractionHash) then
296 >       call createInteractionHash()      
297 >    endif
298 > #ifdef IS_MPI
299 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
300 >    nGroupsInCol = getNgroupsInCol(plan_group_col)
301 > #endif
302 >    nAtypes = getSize(atypes)
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 (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
354 >             biggestAtypeCutoff = atypeMaxCutoff(i)
355 >          endif
356 >
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 +    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 + #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 +    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 + #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 242 | Line 650 | contains
650  
651      error = 0
652  
653 <    if (.not. havePropertyMap) then
653 >    if (.not. haveInteractionHash) then      
654 >       call createInteractionHash()      
655 >    endif
656  
657 <       myStatus = 0
657 >    if (.not. haveGtypeCutoffMap) then        
658 >       call createGtypeCutoffMap()      
659 >    endif
660  
249       call createPropertyMap(myStatus)
661  
662 <       if (myStatus .ne. 0) then
663 <          write(default_error, *) 'createPropertyMap failed in doForces!'
253 <          error = -1
254 <          return
255 <       endif
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 288 | Line 697 | contains
697    end subroutine doReadyCheck
698  
699  
700 <  subroutine init_FF(use_RF_c, thisStat)
700 >  subroutine init_FF(thisStat)
701  
293    logical, intent(in) :: use_RF_c
294
702      integer, intent(out) :: thisStat  
703      integer :: my_status, nMatches
704      integer, pointer :: MatchList(:) => null()
298    real(kind=dp) :: rcut, rrf, rt, dielect
705  
706      !! assume things are copacetic, unless they aren't
707      thisStat = 0
708  
303    !! Fortran's version of a cast:
304    FF_uses_RF = use_RF_c
305
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 310 | Line 713 | contains
713      !! interactions are used by the force field.    
714  
715      FF_uses_DirectionalAtoms = .false.
313    FF_uses_LennardJones = .false.
314    FF_uses_Electrostatics = .false.
315    FF_uses_Charges = .false.    
716      FF_uses_Dipoles = .false.
317    FF_uses_Sticky = .false.
717      FF_uses_GayBerne = .false.
718      FF_uses_EAM = .false.
719 <    FF_uses_Shapes = .false.
321 <    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  
327    call getMatchingElementList(atypes, "is_LennardJones", .true., &
328         nMatches, MatchList)
329    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
330
331    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
332         nMatches, MatchList)
333    if (nMatches .gt. 0) then
334       FF_uses_Electrostatics = .true.
335    endif
336
337    call getMatchingElementList(atypes, "is_Charge", .true., &
338         nMatches, MatchList)
339    if (nMatches .gt. 0) then
340       FF_uses_Charges = .true.  
341       FF_uses_Electrostatics = .true.
342    endif
343
725      call getMatchingElementList(atypes, "is_Dipole", .true., &
726           nMatches, MatchList)
727 <    if (nMatches .gt. 0) then
728 <       FF_uses_Dipoles = .true.
348 <       FF_uses_Electrostatics = .true.
349 <       FF_uses_DirectionalAtoms = .true.
350 <    endif
351 <
352 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
353 <         nMatches, MatchList)
354 <    if (nMatches .gt. 0) then
355 <       FF_uses_Quadrupoles = .true.
356 <       FF_uses_Electrostatics = .true.
357 <       FF_uses_DirectionalAtoms = .true.
358 <    endif
359 <
360 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
361 <         MatchList)
362 <    if (nMatches .gt. 0) then
363 <       FF_uses_Sticky = .true.
364 <       FF_uses_DirectionalAtoms = .true.
365 <    endif
366 <
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
370 <       FF_uses_GayBerne = .true.
371 <       FF_uses_DirectionalAtoms = .true.
372 <    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)
379 <    if (nMatches .gt. 0) then
380 <       FF_uses_Shapes = .true.
381 <       FF_uses_DirectionalAtoms = .true.
382 <    endif
736 >    call getMatchingElementList(atypes, "is_SC", .true., nMatches, MatchList)
737 >    if (nMatches .gt. 0) FF_uses_SC = .true.
738  
384    call getMatchingElementList(atypes, "is_FLARB", .true., &
385         nMatches, MatchList)
386    if (nMatches .gt. 0) FF_uses_FLARB = .true.
739  
388    !! Assume sanity (for the sake of argument)
740      haveSaneForceField = .true.
741  
391    !! check to make sure the FF_uses_RF setting makes sense
392
393    if (FF_uses_dipoles) then
394       if (FF_uses_RF) then
395          dielect = getDielect()
396          call initialize_rf(dielect)
397       endif
398    else
399       if (FF_uses_RF) then          
400          write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
401          thisStat = -1
402          haveSaneForceField = .false.
403          return
404       endif
405    endif
406
407    !sticky module does not contain check_sticky_FF anymore
408    !if (FF_uses_sticky) then
409    !   call check_sticky_FF(my_status)
410    !   if (my_status /= 0) then
411    !      thisStat = -1
412    !      haveSaneForceField = .false.
413    !      return
414    !   end if
415    !endif
416
742      if (FF_uses_EAM) then
743         call init_EAM_FF(my_status)
744         if (my_status /= 0) then
# Line 424 | Line 749 | contains
749         end if
750      endif
751  
427    if (FF_uses_GayBerne) then
428       call check_gb_pair_FF(my_status)
429       if (my_status .ne. 0) then
430          thisStat = -1
431          haveSaneForceField = .false.
432          return
433       endif
434    endif
435
436    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
437    endif
438
752      if (.not. haveNeighborList) then
753         !! Create neighbor lists
754         call expandNeighborList(nLocal, my_status)
# Line 469 | 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 490 | 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 499 | Line 814 | contains
814      integer :: localError
815      integer :: propPack_i, propPack_j
816      integer :: loopStart, loopEnd, loop
817 +    integer :: iHash
818 +    integer :: i1
819 +  
820  
503    real(kind=dp) :: listSkin = 1.0  
504
821      !! initialize local variables  
822  
823   #ifdef IS_MPI
# Line 564 | 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 618 | Line 934 | contains
934               endif
935  
936   #ifdef IS_MPI
937 +             me_j = atid_col(j)
938               call get_interatomic_vector(q_group_Row(:,i), &
939                    q_group_Col(:,j), d_grp, rgrpsq)
940   #else
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 < rlistsq) then
946 >             if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then
947                  if (update_nlist) then
948                     nlist = nlist + 1
949  
# Line 645 | Line 963 | contains
963  
964                     list(nlist) = j
965                  endif
966 +
967  
968 <                if (loop .eq. PAIR_LOOP) then
969 <                   vij = 0.0d0
651 <                   fij(1:3) = 0.0d0
652 <                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
990 < #ifdef IS_MPI
991 <                         call get_interatomic_vector(q_Row(:,atom1), &
992 <                              q_Col(:,atom2), d_atm, ratmsq)
993 < #else
994 <                         call get_interatomic_vector(q(:,atom1), &
995 <                              q(:,atom2), d_atm, ratmsq)
996 < #endif
997 <                      endif
998 <
682 <                      if (loop .eq. PREPAIR_LOOP) then
683 < #ifdef IS_MPI                      
684 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
685 <                              rgrpsq, d_grp, do_pot, do_stress, &
686 <                              eFrame, A, f, t, pot_local)
687 < #else
688 <                         call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
689 <                              rgrpsq, d_grp, do_pot, do_stress, &
690 <                              eFrame, A, f, t, pot)
691 < #endif                                              
692 <                      else
693 < #ifdef IS_MPI                      
694 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
695 <                              do_pot, &
696 <                              eFrame, A, f, t, pot_local, vpair, fpair)
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)
999   #else
1000 <                         call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
1001 <                              do_pot,  &
700 <                              eFrame, A, f, t, pot, vpair, fpair)
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
1006 + #ifdef IS_MPI                      
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, rCut, do_pot, do_stress, &
1013 +                                 eFrame, A, f, t, pot)
1014 + #endif                                              
1015 +                         else
1016 + #ifdef IS_MPI                      
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, 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)
713 <                      fij(2) = fij(2) + swderiv*d_grp(2)
714 <                      fij(3) = fij(3) + swderiv*d_grp(3)
715 <
716 <                      do ia=groupStartRow(i), groupStartRow(i+1)-1
717 <                         atom1=groupListRow(ia)
718 <                         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)
1067 >                      if (do_stress) call add_stress_tensor(d_grp, fij)
1068 >                   endif
1069                  endif
1070 <             end if
1070 >             endif
1071            enddo
1072 +          
1073         enddo outer
1074  
1075         if (update_nlist) then
# Line 805 | 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
1155 <
1156 <       if (FF_uses_RF .and. SIM_uses_RF) 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 ( 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)
833 <          do i = 1,nlocal
834 <             rf(1:3,i) = rf(1:3,i) + rf_Temp(1:3,i)
835 <          end do
836 < #endif
837 <
838 <          do i = 1, nLocal
839 <
840 <             rfpot = 0.0_DP
841 < #ifdef IS_MPI
842 <             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 <
1175 <             if (PropertyMap(me_i)%is_Dipole) 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)
1174 >          endif
1175 >  
1176 >          
1177 >          if (electrostaticSummationMethod.eq.REACTION_FIELD) then
1178 >            
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 <
868 <
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
874 <       !! 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 906 | 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 ), 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 :: iHash
1253 +
1254      r = sqrt(rijsq)
1255      vpair = 0.0d0
1256      fpair(1:3) = 0.0d0
# Line 922 | Line 1263 | contains
1263      me_j = atid(j)
1264   #endif
1265  
1266 <    !    write(*,*) i, j, me_i, me_j
1267 <
1268 <    if (FF_uses_LennardJones .and. SIM_uses_LennardJones) then
1269 <
1270 <       if ( PropertyMap(me_i)%is_LennardJones .and. &
930 <            PropertyMap(me_j)%is_LennardJones ) then
931 <          call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
932 <       endif
933 <
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 (FF_uses_Electrostatics .and. SIM_uses_Electrostatics) then
1274 <
1275 <       if (PropertyMap(me_i)%is_Electrostatic .and. &
1276 <            PropertyMap(me_j)%is_Electrostatic) then
1277 <          call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1278 <               pot, eFrame, f, t, do_pot)
1279 <       endif
1280 <
944 <       if (FF_uses_dipoles .and. SIM_uses_dipoles) then      
945 <          if ( PropertyMap(me_i)%is_Dipole .and. &
946 <               PropertyMap(me_j)%is_Dipole) then
947 <             if (FF_uses_RF .and. SIM_uses_RF) then
948 <                call accumulate_rf(i, j, r, eFrame, sw)
949 <                call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
950 <             endif
951 <          endif
952 <       endif
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(HB_POT), A, f, t, do_pot)
1281      endif
1282 <
1283 <
1284 <    if (FF_uses_Sticky .and. SIM_uses_sticky) then
1285 <
958 <       if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then
959 <          call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
960 <               pot, A, f, t, do_pot)
961 <       endif
962 <
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(HB_POT), A, f, t, do_pot)
1286      endif
1287 <
1288 <
1289 <    if (FF_uses_GayBerne .and. SIM_uses_GayBerne) then
1290 <
968 <       if ( PropertyMap(me_i)%is_GayBerne .and. &
969 <            PropertyMap(me_j)%is_GayBerne) then
970 <          call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
971 <               pot, A, f, t, do_pot)
972 <       endif
973 <
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(VDW_POT), A, f, t, do_pot)
1291      endif
1292 <
1293 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1294 <
1295 <       if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then
979 <          call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
980 <               do_pot)
981 <       endif
982 <
1292 >    
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(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(iHash, SHAPE_PAIR).ne.0 ) then      
1304 +       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1305 +            pot(VDW_POT), A, f, t, do_pot)
1306 +    endif
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(VDW_POT), A, f, t, do_pot)
1311 +    endif
1312  
1313 <
1314 <    !    write(*,*) PropertyMap(me_i)%is_Shape,PropertyMap(me_j)%is_Shape
1315 <
988 <    if (FF_uses_Shapes .and. SIM_uses_Shapes) then
989 <       if ( PropertyMap(me_i)%is_Shape .and. &
990 <            PropertyMap(me_j)%is_Shape ) then
991 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
992 <               pot, A, f, t, do_pot)
993 <       endif
994 <       if ( (PropertyMap(me_i)%is_Shape .and. &
995 <            PropertyMap(me_j)%is_LennardJones) .or. &
996 <            (PropertyMap(me_i)%is_LennardJones .and. &
997 <            PropertyMap(me_j)%is_Shape) ) then
998 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
999 <               pot, A, f, t, do_pot)
1000 <       endif
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 1013 | 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 <    logical :: is_EAM_i, is_EAM_j
1338 >    integer :: me_i, me_j, iHash
1339  
1022    integer :: me_i, me_j
1023
1024
1340      r = sqrt(rijsq)
1026    if (SIM_uses_molecular_cutoffs) then
1027       rc = sqrt(rcijsq)
1028    else
1029       rc = r
1030    endif
1341  
1032
1342   #ifdef IS_MPI  
1343      me_i = atid_row(i)
1344      me_j = atid_col(j)  
# Line 1038 | Line 1347 | contains
1347      me_j = atid(j)  
1348   #endif
1349  
1350 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1350 >    iHash = InteractionHash(me_i, me_j)
1351  
1352 <       if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) &
1353 <            call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1045 <
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
1361  
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 1139 | Line 1454 | contains
1454      pot_Col = 0.0_dp
1455      pot_Temp = 0.0_dp
1456  
1142    rf_Row = 0.0_dp
1143    rf_Col = 0.0_dp
1144    rf_Temp = 0.0_dp
1145
1457   #endif
1458  
1459      if (FF_uses_EAM .and. SIM_uses_EAM) then
1460         call clean_EAM()
1461      endif
1462  
1152    rf = 0.0_dp
1463      tau_Temp = 0.0_dp
1464      virial_Temp = 0.0_dp
1465    end subroutine zero_work_arrays
# Line 1238 | Line 1548 | contains
1548  
1549    function FF_UsesDirectionalAtoms() result(doesit)
1550      logical :: doesit
1551 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1242 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1243 <         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  
1251  function FF_RequiresPostpairCalc() result(doesit)
1252    logical :: doesit
1253    doesit = FF_uses_RF
1254  end function FF_RequiresPostpairCalc
1255
1560   #ifdef PROFILE
1561    function getforcetime() result(totalforcetime)
1562      real(kind=dp) :: totalforcetime

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