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Comparing trunk/OOPSE-3.0/src/UseTheForce/doForces.F90 (file contents):
Revision 2231 by chrisfen, Wed May 18 18:31:40 2005 UTC vs.
Revision 2298 by chuckv, Thu Sep 15 02:48:43 2005 UTC

# Line 45 | Line 45
45  
46   !! @author Charles F. Vardeman II
47   !! @author Matthew Meineke
48 < !! @version $Id: doForces.F90,v 1.18 2005-05-18 18:31:40 chrisfen Exp $, $Date: 2005-05-18 18:31:40 $, $Name: not supported by cvs2svn $, $Revision: 1.18 $
48 > !! @version $Id: doForces.F90,v 1.43 2005-09-15 02:48:43 chuckv Exp $, $Date: 2005-09-15 02:48:43 $, $Name: not supported by cvs2svn $, $Revision: 1.43 $
49  
50  
51   module doForces
# Line 58 | Line 58 | module doForces
58    use lj
59    use sticky
60    use electrostatic_module
61 <  use reaction_field
61 >  use reaction_field_module
62    use gb_pair
63    use shapes
64    use vector_class
# Line 73 | Line 73 | module doForces
73  
74   #define __FORTRAN90
75   #include "UseTheForce/fSwitchingFunction.h"
76 + #include "UseTheForce/fCutoffPolicy.h"
77 + #include "UseTheForce/fCoulombicCorrection.h"
78 + #include "UseTheForce/DarkSide/fInteractionMap.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 :: haveRlist = .false.
90  
91    logical, save :: FF_uses_DirectionalAtoms
87  logical, save :: FF_uses_LennardJones
88  logical, save :: FF_uses_Electrostatics
89  logical, save :: FF_uses_Charges
92    logical, save :: FF_uses_Dipoles
91  logical, save :: FF_uses_Quadrupoles
92  logical, save :: FF_uses_Sticky
93  logical, save :: FF_uses_StickyPower
93    logical, save :: FF_uses_GayBerne
94    logical, save :: FF_uses_EAM
96  logical, save :: FF_uses_Shapes
97  logical, save :: FF_uses_FLARB
95    logical, save :: FF_uses_RF
96  
97    logical, save :: SIM_uses_DirectionalAtoms
101  logical, save :: SIM_uses_LennardJones
102  logical, save :: SIM_uses_Electrostatics
103  logical, save :: SIM_uses_Charges
104  logical, save :: SIM_uses_Dipoles
105  logical, save :: SIM_uses_Quadrupoles
106  logical, save :: SIM_uses_Sticky
107  logical, save :: SIM_uses_StickyPower
108  logical, save :: SIM_uses_GayBerne
98    logical, save :: SIM_uses_EAM
110  logical, save :: SIM_uses_Shapes
111  logical, save :: SIM_uses_FLARB
99    logical, save :: SIM_uses_RF
100    logical, save :: SIM_requires_postpair_calc
101    logical, save :: SIM_requires_prepair_calc
102    logical, save :: SIM_uses_PBC
116  logical, save :: SIM_uses_molecular_cutoffs
103  
104 <  real(kind=dp), save :: rlist, rlistsq
104 >  integer, save :: corrMethod
105  
106    public :: init_FF
107 +  public :: setDefaultCutoffs
108    public :: do_force_loop
109 <  public :: setRlistDF
109 >  public :: createInteractionHash
110 >  public :: createGtypeCutoffMap
111 >  public :: getStickyCut
112 >  public :: getStickyPowerCut
113 >  public :: getGayBerneCut
114 >  public :: getEAMCut
115 >  public :: getShapeCut
116  
117   #ifdef PROFILE
118    public :: getforcetime
# Line 127 | Line 120 | module doForces
120    real :: forceTimeInitial, forceTimeFinal
121    integer :: nLoops
122   #endif
123 +  
124 +  !! Variables for cutoff mapping and interaction mapping
125 +  ! Bit hash to determine pair-pair interactions.
126 +  integer, dimension(:,:), allocatable :: InteractionHash
127 +  real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
128 +  real(kind=dp), dimension(:), allocatable :: groupMaxCutoff
129 +  integer, dimension(:), allocatable :: groupToGtype
130 +  real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff
131 +  type ::gtypeCutoffs
132 +     real(kind=dp) :: rcut
133 +     real(kind=dp) :: rcutsq
134 +     real(kind=dp) :: rlistsq
135 +  end type gtypeCutoffs
136 +  type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap
137  
138 <  type :: Properties
139 <     logical :: is_Directional   = .false.
140 <     logical :: is_LennardJones  = .false.
141 <     logical :: is_Electrostatic = .false.
142 <     logical :: is_Charge        = .false.
136 <     logical :: is_Dipole        = .false.
137 <     logical :: is_Quadrupole    = .false.
138 <     logical :: is_Sticky        = .false.
139 <     logical :: is_StickyPower   = .false.
140 <     logical :: is_GayBerne      = .false.
141 <     logical :: is_EAM           = .false.
142 <     logical :: is_Shape         = .false.
143 <     logical :: is_FLARB         = .false.
144 <  end type Properties
145 <
146 <  type(Properties), dimension(:),allocatable :: PropertyMap
147 <
138 >  integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY
139 >  integer, save :: coulombicCorrection = NONE
140 >  real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist
141 >  real(kind=dp),save :: rcuti
142 >  
143   contains
144  
145 <  subroutine setRlistDF( this_rlist )
151 <
152 <    real(kind=dp) :: this_rlist
153 <
154 <    rlist = this_rlist
155 <    rlistsq = rlist * rlist
156 <
157 <    haveRlist = .true.
158 <
159 <  end subroutine setRlistDF
160 <
161 <  subroutine createPropertyMap(status)
145 >  subroutine createInteractionHash(status)
146      integer :: nAtypes
147 <    integer :: status
147 >    integer, intent(out) :: status
148      integer :: i
149 <    logical :: thisProperty
150 <    real (kind=DP) :: thisDPproperty
149 >    integer :: j
150 >    integer :: iHash
151 >    !! Test Types
152 >    logical :: i_is_LJ
153 >    logical :: i_is_Elect
154 >    logical :: i_is_Sticky
155 >    logical :: i_is_StickyP
156 >    logical :: i_is_GB
157 >    logical :: i_is_EAM
158 >    logical :: i_is_Shape
159 >    logical :: j_is_LJ
160 >    logical :: j_is_Elect
161 >    logical :: j_is_Sticky
162 >    logical :: j_is_StickyP
163 >    logical :: j_is_GB
164 >    logical :: j_is_EAM
165 >    logical :: j_is_Shape
166 >    real(kind=dp) :: myRcut
167  
168 <    status = 0
168 >    status = 0  
169  
170 +    if (.not. associated(atypes)) then
171 +       call handleError("atype", "atypes was not present before call of createInteractionHash!")
172 +       status = -1
173 +       return
174 +    endif
175 +    
176      nAtypes = getSize(atypes)
177 <
177 >    
178      if (nAtypes == 0) then
179         status = -1
180         return
181      end if
182  
183 <    if (.not. allocated(PropertyMap)) then
184 <       allocate(PropertyMap(nAtypes))
183 >    if (.not. allocated(InteractionHash)) then
184 >       allocate(InteractionHash(nAtypes,nAtypes))
185      endif
186  
187 +    if (.not. allocated(atypeMaxCutoff)) then
188 +       allocate(atypeMaxCutoff(nAtypes))
189 +    endif
190 +        
191      do i = 1, nAtypes
192 <       call getElementProperty(atypes, i, "is_Directional", thisProperty)
193 <       PropertyMap(i)%is_Directional = thisProperty
192 >       call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
193 >       call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
194 >       call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
195 >       call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
196 >       call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
197 >       call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
198 >       call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
199  
200 <       call getElementProperty(atypes, i, "is_LennardJones", thisProperty)
186 <       PropertyMap(i)%is_LennardJones = thisProperty
200 >       do j = i, nAtypes
201  
202 <       call getElementProperty(atypes, i, "is_Electrostatic", thisProperty)
203 <       PropertyMap(i)%is_Electrostatic = thisProperty
202 >          iHash = 0
203 >          myRcut = 0.0_dp
204  
205 <       call getElementProperty(atypes, i, "is_Charge", thisProperty)
206 <       PropertyMap(i)%is_Charge = thisProperty
205 >          call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ)
206 >          call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect)
207 >          call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky)
208 >          call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP)
209 >          call getElementProperty(atypes, j, "is_GayBerne", j_is_GB)
210 >          call getElementProperty(atypes, j, "is_EAM", j_is_EAM)
211 >          call getElementProperty(atypes, j, "is_Shape", j_is_Shape)
212  
213 <       call getElementProperty(atypes, i, "is_Dipole", thisProperty)
214 <       PropertyMap(i)%is_Dipole = thisProperty
213 >          if (i_is_LJ .and. j_is_LJ) then
214 >             iHash = ior(iHash, LJ_PAIR)            
215 >          endif
216 >          
217 >          if (i_is_Elect .and. j_is_Elect) then
218 >             iHash = ior(iHash, ELECTROSTATIC_PAIR)
219 >          endif
220 >          
221 >          if (i_is_Sticky .and. j_is_Sticky) then
222 >             iHash = ior(iHash, STICKY_PAIR)
223 >          endif
224  
225 <       call getElementProperty(atypes, i, "is_Quadrupole", thisProperty)
226 <       PropertyMap(i)%is_Quadrupole = thisProperty
225 >          if (i_is_StickyP .and. j_is_StickyP) then
226 >             iHash = ior(iHash, STICKYPOWER_PAIR)
227 >          endif
228  
229 <       call getElementProperty(atypes, i, "is_Sticky", thisProperty)
230 <       PropertyMap(i)%is_Sticky = thisProperty
231 <      
203 <       call getElementProperty(atypes, i, "is_StickyPower", thisProperty)
204 <       PropertyMap(i)%is_StickyPower = thisProperty
229 >          if (i_is_EAM .and. j_is_EAM) then
230 >             iHash = ior(iHash, EAM_PAIR)
231 >          endif
232  
233 <       call getElementProperty(atypes, i, "is_GayBerne", thisProperty)
234 <       PropertyMap(i)%is_GayBerne = thisProperty
233 >          if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR)
234 >          if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ)
235 >          if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ)
236  
237 <       call getElementProperty(atypes, i, "is_EAM", thisProperty)
238 <       PropertyMap(i)%is_EAM = thisProperty
237 >          if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR)
238 >          if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ)
239 >          if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
240  
212       call getElementProperty(atypes, i, "is_Shape", thisProperty)
213       PropertyMap(i)%is_Shape = thisProperty
241  
242 <       call getElementProperty(atypes, i, "is_FLARB", thisProperty)
243 <       PropertyMap(i)%is_FLARB = thisProperty
242 >          InteractionHash(i,j) = iHash
243 >          InteractionHash(j,i) = iHash
244 >
245 >       end do
246 >
247      end do
248  
249 <    havePropertyMap = .true.
249 >    haveInteractionHash = .true.
250 >  end subroutine createInteractionHash
251  
252 <  end subroutine createPropertyMap
252 >  subroutine createGtypeCutoffMap(stat)
253 >
254 >    integer, intent(out), optional :: stat
255 >    logical :: i_is_LJ
256 >    logical :: i_is_Elect
257 >    logical :: i_is_Sticky
258 >    logical :: i_is_StickyP
259 >    logical :: i_is_GB
260 >    logical :: i_is_EAM
261 >    logical :: i_is_Shape
262 >    logical :: GtypeFound
263 >
264 >    integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
265 >    integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
266 >    integer :: nGroupsInRow
267 >    real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
268 >    real(kind=dp) :: biggestAtypeCutoff
269 >
270 >    stat = 0
271 >    if (.not. haveInteractionHash) then
272 >       call createInteractionHash(myStatus)      
273 >       if (myStatus .ne. 0) then
274 >          write(default_error, *) 'createInteractionHash failed in doForces!'
275 >          stat = -1
276 >          return
277 >       endif
278 >    endif
279 > #ifdef IS_MPI
280 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
281 > #endif
282 >    nAtypes = getSize(atypes)
283 > ! Set all of the initial cutoffs to zero.
284 >    atypeMaxCutoff = 0.0_dp
285 >    do i = 1, nAtypes
286 >       if (SimHasAtype(i)) then    
287 >          call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
288 >          call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
289 >          call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
290 >          call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
291 >          call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
292 >          call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
293 >          call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
294 >          
295 >
296 >          if (i_is_LJ) then
297 >             thisRcut = getSigma(i) * 2.5_dp
298 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
299 >          endif
300 >          if (i_is_Elect) then
301 >             thisRcut = defaultRcut
302 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
303 >          endif
304 >          if (i_is_Sticky) then
305 >             thisRcut = getStickyCut(i)
306 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
307 >          endif
308 >          if (i_is_StickyP) then
309 >             thisRcut = getStickyPowerCut(i)
310 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
311 >          endif
312 >          if (i_is_GB) then
313 >             thisRcut = getGayBerneCut(i)
314 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
315 >          endif
316 >          if (i_is_EAM) then
317 >             thisRcut = getEAMCut(i)
318 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
319 >          endif
320 >          if (i_is_Shape) then
321 >             thisRcut = getShapeCut(i)
322 >             if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
323 >          endif
324 >          
325 >          if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
326 >             biggestAtypeCutoff = atypeMaxCutoff(i)
327 >          endif
328 >       endif
329 >    enddo
330 >  
331 >    nGroupTypes = 0
332 >    
333 >    istart = 1
334 > #ifdef IS_MPI
335 >    iend = nGroupsInRow
336 > #else
337 >    iend = nGroups
338 > #endif
339 >    
340 >    !! allocate the groupToGtype and gtypeMaxCutoff here.
341 >    if(.not.allocated(groupToGtype)) then
342 >       allocate(groupToGtype(iend))
343 >       allocate(groupMaxCutoff(iend))
344 >       allocate(gtypeMaxCutoff(iend))
345 >       groupMaxCutoff = 0.0_dp
346 >       gtypeMaxCutoff = 0.0_dp
347 >    endif
348 >    !! first we do a single loop over the cutoff groups to find the
349 >    !! largest cutoff for any atypes present in this group.  We also
350 >    !! create gtypes at this point.
351 >    
352 >    tol = 1.0d-6
353 >    
354 >    do i = istart, iend      
355 >       n_in_i = groupStartRow(i+1) - groupStartRow(i)
356 >       groupMaxCutoff(i) = 0.0_dp
357 >       do ia = groupStartRow(i), groupStartRow(i+1)-1
358 >          atom1 = groupListRow(ia)
359 > #ifdef IS_MPI
360 >          me_i = atid_row(atom1)
361 > #else
362 >          me_i = atid(atom1)
363 > #endif          
364 >          if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
365 >             groupMaxCutoff(i)=atypeMaxCutoff(me_i)
366 >          endif          
367 >       enddo
368 >
369 >       if (nGroupTypes.eq.0) then
370 >          nGroupTypes = nGroupTypes + 1
371 >          gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
372 >          groupToGtype(i) = nGroupTypes
373 >       else
374 >          GtypeFound = .false.
375 >          do g = 1, nGroupTypes
376 >             if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
377 >                groupToGtype(i) = g
378 >                GtypeFound = .true.
379 >             endif
380 >          enddo
381 >          if (.not.GtypeFound) then            
382 >             nGroupTypes = nGroupTypes + 1
383 >             gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
384 >             groupToGtype(i) = nGroupTypes
385 >          endif
386 >       endif
387 >    enddo    
388 >
389 >    !! allocate the gtypeCutoffMap here.
390 >    allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
391 >    !! then we do a double loop over all the group TYPES to find the cutoff
392 >    !! map between groups of two types
393 >    
394 >    do i = 1, nGroupTypes
395 >       do j = 1, nGroupTypes
396 >      
397 >          select case(cutoffPolicy)
398 >          case(TRADITIONAL_CUTOFF_POLICY)
399 >             thisRcut = maxval(gtypeMaxCutoff)
400 >          case(MIX_CUTOFF_POLICY)
401 >             thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
402 >          case(MAX_CUTOFF_POLICY)
403 >             thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
404 >          case default
405 >             call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
406 >             return
407 >          end select
408 >          gtypeCutoffMap(i,j)%rcut = thisRcut
409 >          gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
410 >          skin = defaultRlist - defaultRcut
411 >          gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
412  
413 +       enddo
414 +    enddo
415 +    
416 +    haveGtypeCutoffMap = .true.
417 +   end subroutine createGtypeCutoffMap
418 +
419 +   subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
420 +     real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
421 +     integer, intent(in) :: cutPolicy
422 +
423 +     defaultRcut = defRcut
424 +     defaultRsw = defRsw
425 +     defaultRlist = defRlist
426 +     cutoffPolicy = cutPolicy
427 +     rcuti = 1.0_dp / defaultRcut
428 +   end subroutine setDefaultCutoffs
429 +
430 +   subroutine setCutoffPolicy(cutPolicy)
431 +
432 +     integer, intent(in) :: cutPolicy
433 +     cutoffPolicy = cutPolicy
434 +     call createGtypeCutoffMap()
435 +   end subroutine setCutoffPolicy
436 +    
437 +    
438    subroutine setSimVariables()
439      SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
225    SIM_uses_LennardJones = SimUsesLennardJones()
226    SIM_uses_Electrostatics = SimUsesElectrostatics()
227    SIM_uses_Charges = SimUsesCharges()
228    SIM_uses_Dipoles = SimUsesDipoles()
229    SIM_uses_Sticky = SimUsesSticky()
230    SIM_uses_StickyPower = SimUsesStickyPower()
231    SIM_uses_GayBerne = SimUsesGayBerne()
440      SIM_uses_EAM = SimUsesEAM()
233    SIM_uses_Shapes = SimUsesShapes()
234    SIM_uses_FLARB = SimUsesFLARB()
235    SIM_uses_RF = SimUsesRF()
441      SIM_requires_postpair_calc = SimRequiresPostpairCalc()
442      SIM_requires_prepair_calc = SimRequiresPrepairCalc()
443      SIM_uses_PBC = SimUsesPBC()
444 +    SIM_uses_RF = SimUsesRF()
445  
446      haveSIMvariables = .true.
447  
# Line 249 | Line 455 | contains
455  
456      error = 0
457  
458 <    if (.not. havePropertyMap) then
458 >    if (.not. haveInteractionHash) then      
459 >       myStatus = 0      
460 >       call createInteractionHash(myStatus)      
461 >       if (myStatus .ne. 0) then
462 >          write(default_error, *) 'createInteractionHash failed in doForces!'
463 >          error = -1
464 >          return
465 >       endif
466 >    endif
467  
468 <       myStatus = 0
469 <
470 <       call createPropertyMap(myStatus)
257 <
468 >    if (.not. haveGtypeCutoffMap) then        
469 >       myStatus = 0      
470 >       call createGtypeCutoffMap(myStatus)      
471         if (myStatus .ne. 0) then
472 <          write(default_error, *) 'createPropertyMap failed in doForces!'
472 >          write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
473            error = -1
474            return
475         endif
# Line 266 | Line 479 | contains
479         call setSimVariables()
480      endif
481  
482 <    if (.not. haveRlist) then
483 <       write(default_error, *) 'rList has not been set in doForces!'
484 <       error = -1
485 <       return
486 <    endif
482 >  !  if (.not. haveRlist) then
483 >  !     write(default_error, *) 'rList has not been set in doForces!'
484 >  !     error = -1
485 >  !     return
486 >  !  endif
487  
488      if (.not. haveNeighborList) then
489         write(default_error, *) 'neighbor list has not been initialized in doForces!'
# Line 295 | Line 508 | contains
508    end subroutine doReadyCheck
509  
510  
511 <  subroutine init_FF(use_RF_c, thisStat)
511 >  subroutine init_FF(use_RF, correctionMethod, dampingAlpha, thisStat)
512  
513 <    logical, intent(in) :: use_RF_c
514 <
513 >    logical, intent(in) :: use_RF
514 >    integer, intent(in) :: correctionMethod
515 >    real(kind=dp), intent(in) :: dampingAlpha
516      integer, intent(out) :: thisStat  
517      integer :: my_status, nMatches
518      integer, pointer :: MatchList(:) => null()
# Line 308 | Line 522 | contains
522      thisStat = 0
523  
524      !! Fortran's version of a cast:
525 <    FF_uses_RF = use_RF_c
525 >    FF_uses_RF = use_RF
526  
527 +    !! set the electrostatic correction method
528 +    select case(coulombicCorrection)
529 +    case(NONE)
530 +       corrMethod = 0
531 +    case(UNDAMPED_WOLF)
532 +       corrMethod = 1
533 +    case(WOLF)
534 +       corrMethod = 2
535 +    case (REACTION_FIELD)
536 +       corrMethod = 3
537 +    case default
538 +       call handleError("init_FF", "Unknown Coulombic Correction Method")
539 +       return
540 +    end select
541 +        
542      !! init_FF is called *after* all of the atom types have been
543      !! defined in atype_module using the new_atype subroutine.
544      !!
# Line 317 | Line 546 | contains
546      !! interactions are used by the force field.    
547  
548      FF_uses_DirectionalAtoms = .false.
320    FF_uses_LennardJones = .false.
321    FF_uses_Electrostatics = .false.
322    FF_uses_Charges = .false.    
549      FF_uses_Dipoles = .false.
324    FF_uses_Sticky = .false.
325    FF_uses_StickyPower = .false.
550      FF_uses_GayBerne = .false.
551      FF_uses_EAM = .false.
328    FF_uses_Shapes = .false.
329    FF_uses_FLARB = .false.
552  
553      call getMatchingElementList(atypes, "is_Directional", .true., &
554           nMatches, MatchList)
555      if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
556  
335    call getMatchingElementList(atypes, "is_LennardJones", .true., &
336         nMatches, MatchList)
337    if (nMatches .gt. 0) FF_uses_LennardJones = .true.
338
339    call getMatchingElementList(atypes, "is_Electrostatic", .true., &
340         nMatches, MatchList)
341    if (nMatches .gt. 0) then
342       FF_uses_Electrostatics = .true.
343    endif
344
345    call getMatchingElementList(atypes, "is_Charge", .true., &
346         nMatches, MatchList)
347    if (nMatches .gt. 0) then
348       FF_uses_Charges = .true.  
349       FF_uses_Electrostatics = .true.
350    endif
351
557      call getMatchingElementList(atypes, "is_Dipole", .true., &
558           nMatches, MatchList)
559 <    if (nMatches .gt. 0) then
355 <       FF_uses_Dipoles = .true.
356 <       FF_uses_Electrostatics = .true.
357 <       FF_uses_DirectionalAtoms = .true.
358 <    endif
359 <
360 <    call getMatchingElementList(atypes, "is_Quadrupole", .true., &
361 <         nMatches, MatchList)
362 <    if (nMatches .gt. 0) then
363 <       FF_uses_Quadrupoles = .true.
364 <       FF_uses_Electrostatics = .true.
365 <       FF_uses_DirectionalAtoms = .true.
366 <    endif
367 <
368 <    call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
369 <         MatchList)
370 <    if (nMatches .gt. 0) then
371 <       FF_uses_Sticky = .true.
372 <       FF_uses_DirectionalAtoms = .true.
373 <    endif
374 <
375 <    call getMatchingElementList(atypes, "is_StickyPower", .true., nMatches, &
376 <         MatchList)
377 <    if (nMatches .gt. 0) then
378 <       FF_uses_StickyPower = .true.
379 <       FF_uses_DirectionalAtoms = .true.
380 <    endif
559 >    if (nMatches .gt. 0) FF_uses_Dipoles = .true.
560      
561      call getMatchingElementList(atypes, "is_GayBerne", .true., &
562           nMatches, MatchList)
563 <    if (nMatches .gt. 0) then
385 <       FF_uses_GayBerne = .true.
386 <       FF_uses_DirectionalAtoms = .true.
387 <    endif
563 >    if (nMatches .gt. 0) FF_uses_GayBerne = .true.
564  
565      call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
566      if (nMatches .gt. 0) FF_uses_EAM = .true.
567  
392    call getMatchingElementList(atypes, "is_Shape", .true., &
393         nMatches, MatchList)
394    if (nMatches .gt. 0) then
395       FF_uses_Shapes = .true.
396       FF_uses_DirectionalAtoms = .true.
397    endif
568  
399    call getMatchingElementList(atypes, "is_FLARB", .true., &
400         nMatches, MatchList)
401    if (nMatches .gt. 0) FF_uses_FLARB = .true.
402
403    !! Assume sanity (for the sake of argument)
569      haveSaneForceField = .true.
570  
571      !! check to make sure the FF_uses_RF setting makes sense
572  
573 <    if (FF_uses_dipoles) then
573 >    if (FF_uses_Dipoles) then
574         if (FF_uses_RF) then
575            dielect = getDielect()
576            call initialize_rf(dielect)
577         endif
578      else
579 <       if (FF_uses_RF) then          
579 >       if ((corrMethod == 3) .or. FF_uses_RF) then
580            write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
581            thisStat = -1
582            haveSaneForceField = .false.
583            return
584         endif
585      endif
421
422    !sticky module does not contain check_sticky_FF anymore
423    !if (FF_uses_sticky) then
424    !   call check_sticky_FF(my_status)
425    !   if (my_status /= 0) then
426    !      thisStat = -1
427    !      haveSaneForceField = .false.
428    !      return
429    !   end if
430    !endif
586  
587      if (FF_uses_EAM) then
588         call init_EAM_FF(my_status)
# Line 448 | Line 603 | contains
603         endif
604      endif
605  
451    if (FF_uses_GayBerne .and. FF_uses_LennardJones) then
452    endif
453
606      if (.not. haveNeighborList) then
607         !! Create neighbor lists
608         call expandNeighborList(nLocal, my_status)
# Line 514 | Line 666 | contains
666      integer :: localError
667      integer :: propPack_i, propPack_j
668      integer :: loopStart, loopEnd, loop
669 <
669 >    integer :: iHash
670      real(kind=dp) :: listSkin = 1.0  
671  
672      !! initialize local variables  
# Line 633 | Line 785 | contains
785               endif
786  
787   #ifdef IS_MPI
788 +             me_j = atid_col(j)
789               call get_interatomic_vector(q_group_Row(:,i), &
790                    q_group_Col(:,j), d_grp, rgrpsq)
791   #else
792 +             me_j = atid(j)
793               call get_interatomic_vector(q_group(:,i), &
794                    q_group(:,j), d_grp, rgrpsq)
795   #endif
796  
797 <             if (rgrpsq < rlistsq) then
797 >             if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
798                  if (update_nlist) then
799                     nlist = nlist + 1
800  
# Line 840 | Line 994 | contains
994  
995      if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
996  
997 <       if (FF_uses_RF .and. SIM_uses_RF) then
997 >       if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then
998  
999   #ifdef IS_MPI
1000            call scatter(rf_Row,rf,plan_atom_row_3d)
# Line 858 | Line 1012 | contains
1012   #else
1013               me_i = atid(i)
1014   #endif
1015 +             iHash = InteractionHash(me_i,me_j)
1016 +            
1017 +             if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1018  
862             if (PropertyMap(me_i)%is_Dipole) then
863
1019                  mu_i = getDipoleMoment(me_i)
1020  
1021                  !! The reaction field needs to include a self contribution
# Line 923 | Line 1078 | contains
1078      real ( kind = dp ), intent(inout) :: rijsq
1079      real ( kind = dp )                :: r
1080      real ( kind = dp ), intent(inout) :: d(3)
926    real ( kind = dp ) :: ebalance
1081      integer :: me_i, me_j
1082  
1083 +    integer :: iHash
1084 +
1085      r = sqrt(rijsq)
1086      vpair = 0.0d0
1087      fpair(1:3) = 0.0d0
# Line 938 | Line 1094 | contains
1094      me_j = atid(j)
1095   #endif
1096  
1097 <    !    write(*,*) i, j, me_i, me_j
1097 >    iHash = InteractionHash(me_i, me_j)
1098  
1099 <    if (FF_uses_LennardJones .and. SIM_uses_LennardJones) then
1100 <
945 <       if ( PropertyMap(me_i)%is_LennardJones .and. &
946 <            PropertyMap(me_j)%is_LennardJones ) then
947 <          call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
948 <       endif
949 <
1099 >    if ( iand(iHash, LJ_PAIR).ne.0 ) then
1100 >       call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1101      endif
1102  
1103 <    if (FF_uses_Electrostatics .and. SIM_uses_Electrostatics) then
1104 <
1105 <       if (PropertyMap(me_i)%is_Electrostatic .and. &
955 <            PropertyMap(me_j)%is_Electrostatic) then
956 <          call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
957 <               pot, eFrame, f, t, do_pot, ebalance)
958 <       endif
1103 >    if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1104 >       call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1105 >            pot, eFrame, f, t, do_pot, corrMethod, rcuti)
1106  
1107 <       if (FF_uses_dipoles .and. SIM_uses_dipoles) then      
1108 <          if ( PropertyMap(me_i)%is_Dipole .and. &
1109 <               PropertyMap(me_j)%is_Dipole) then
1110 <             if (FF_uses_RF .and. SIM_uses_RF) then
1111 <                call accumulate_rf(i, j, r, eFrame, sw)
965 <                call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
966 <             endif
967 <          endif
1107 >       if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then
1108 >
1109 >          ! CHECK ME (RF needs to know about all electrostatic types)
1110 >          call accumulate_rf(i, j, r, eFrame, sw)
1111 >          call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1112         endif
1113 +
1114      endif
1115  
1116 +    if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1117 +       call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1118 +            pot, A, f, t, do_pot)
1119 +    endif
1120  
1121 <    if (FF_uses_Sticky .and. SIM_uses_sticky) then
1122 <
1123 <       if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then
975 <          call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
976 <               pot, A, f, t, do_pot)
977 <       endif
978 <
1121 >    if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1122 >       call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1123 >            pot, A, f, t, do_pot)
1124      endif
1125  
1126 <    if (FF_uses_StickyPower .and. SIM_uses_stickypower) then
1127 <       if ( PropertyMap(me_i)%is_StickyPower .and. &
1128 <            PropertyMap(me_j)%is_StickyPower) then
984 <          call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
985 <               pot, A, f, t, do_pot, ebalance)
986 <       endif
1126 >    if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1127 >       call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1128 >            pot, A, f, t, do_pot)
1129      endif
1130      
1131 <    if (FF_uses_GayBerne .and. SIM_uses_GayBerne) then
1132 <
1133 <       if ( PropertyMap(me_i)%is_GayBerne .and. &
992 <            PropertyMap(me_j)%is_GayBerne) then
993 <          call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
994 <               pot, A, f, t, do_pot)
995 <       endif
996 <
1131 >    if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1132 > !      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1133 > !           pot, A, f, t, do_pot)
1134      endif
1135  
1136 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1137 <
1138 <       if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then
1002 <          call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1003 <               do_pot)
1004 <       endif
1005 <
1136 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1137 >       call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1138 >            do_pot)
1139      endif
1140  
1141 <
1142 <    !    write(*,*) PropertyMap(me_i)%is_Shape,PropertyMap(me_j)%is_Shape
1143 <
1011 <    if (FF_uses_Shapes .and. SIM_uses_Shapes) then
1012 <       if ( PropertyMap(me_i)%is_Shape .and. &
1013 <            PropertyMap(me_j)%is_Shape ) then
1014 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1015 <               pot, A, f, t, do_pot)
1016 <       endif
1017 <       if ( (PropertyMap(me_i)%is_Shape .and. &
1018 <            PropertyMap(me_j)%is_LennardJones) .or. &
1019 <            (PropertyMap(me_i)%is_LennardJones .and. &
1020 <            PropertyMap(me_j)%is_Shape) ) then
1021 <          call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1022 <               pot, A, f, t, do_pot)
1023 <       endif
1141 >    if ( iand(iHash, SHAPE_PAIR).ne.0 ) then      
1142 >       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1143 >            pot, A, f, t, do_pot)
1144      endif
1145  
1146 +    if ( iand(iHash, SHAPE_LJ).ne.0 ) then      
1147 +       call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1148 +            pot, A, f, t, do_pot)
1149 +    endif
1150 +    
1151    end subroutine do_pair
1152  
1153    subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
# Line 1040 | Line 1165 | contains
1165      real ( kind = dp )                :: r, rc
1166      real ( kind = dp ), intent(inout) :: d(3), dc(3)
1167  
1168 <    logical :: is_EAM_i, is_EAM_j
1168 >    integer :: me_i, me_j, iHash
1169  
1045    integer :: me_i, me_j
1046
1047
1170      r = sqrt(rijsq)
1049    if (SIM_uses_molecular_cutoffs) then
1050       rc = sqrt(rcijsq)
1051    else
1052       rc = r
1053    endif
1054
1171  
1172   #ifdef IS_MPI  
1173      me_i = atid_row(i)
# Line 1061 | Line 1177 | contains
1177      me_j = atid(j)  
1178   #endif
1179  
1180 <    if (FF_uses_EAM .and. SIM_uses_EAM) then
1180 >    iHash = InteractionHash(me_i, me_j)
1181  
1182 <       if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) &
1182 >    if ( iand(iHash, EAM_PAIR).ne.0 ) then      
1183              call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1068
1184      endif
1185 <
1185 >    
1186    end subroutine do_prepair
1187  
1188  
# Line 1261 | Line 1376 | contains
1376  
1377    function FF_UsesDirectionalAtoms() result(doesit)
1378      logical :: doesit
1379 <    doesit = FF_uses_DirectionalAtoms .or. FF_uses_Dipoles .or. &
1265 <         FF_uses_Quadrupoles .or. FF_uses_Sticky .or. &
1266 <         FF_uses_StickyPower .or. FF_uses_GayBerne .or. FF_uses_Shapes
1379 >    doesit = FF_uses_DirectionalAtoms
1380    end function FF_UsesDirectionalAtoms
1381  
1382    function FF_RequiresPrepairCalc() result(doesit)
# Line 1274 | Line 1387 | contains
1387    function FF_RequiresPostpairCalc() result(doesit)
1388      logical :: doesit
1389      doesit = FF_uses_RF
1390 +    if (corrMethod == 3) doesit = .true.
1391    end function FF_RequiresPostpairCalc
1392  
1393   #ifdef PROFILE

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