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Comparing trunk/OOPSE/libmdtools/simulation_module.F90 (file contents):
Revision 378 by mmeineke, Fri Mar 21 17:42:12 2003 UTC vs.
Revision 1199 by gezelter, Thu May 27 15:21:20 2004 UTC

# Line 6 | Line 6 | module simulation
6    use force_globals
7    use vector_class
8    use atype_module
9 <  use lj
9 >  use switcheroo
10   #ifdef IS_MPI
11    use mpiSimulation
12   #endif
# Line 16 | Line 16 | module simulation
16  
17   #define __FORTRAN90
18   #include "fSimulation.h"
19 + #include "fSwitchingFunction.h"
20  
21 <  type (simtype), public :: thisSim
21 >  type (simtype), public, save :: thisSim
22  
23    logical, save :: simulation_setup_complete = .false.
24  
25 <  integer, public, save :: natoms
25 >  integer, public, save :: nLocal, nGlobal
26 >  integer, public, save :: nGroups, nGroupGlobal
27    integer, public, save :: nExcludes_Global = 0
28    integer, public, save :: nExcludes_Local = 0
29    integer, allocatable, dimension(:,:), public :: excludesLocal
30 <  integer, allocatable, dimension(:), public :: excludesGlobal
30 >  integer, allocatable, dimension(:),   public :: excludesGlobal
31 >  integer, allocatable, dimension(:),   public :: molMembershipList
32 >  integer, allocatable, dimension(:),   public :: groupListRow
33 >  integer, allocatable, dimension(:),   public :: groupStartRow
34 >  integer, allocatable, dimension(:),   public :: groupListCol
35 >  integer, allocatable, dimension(:),   public :: groupStartCol
36 >  integer, allocatable, dimension(:),   public :: groupListLocal
37 >  integer, allocatable, dimension(:),   public :: groupStartLocal
38 >  integer, allocatable, dimension(:),   public :: nSkipsForAtom
39 >  integer, allocatable, dimension(:,:), public :: skipsForAtom
40 >  real(kind=dp), allocatable, dimension(:), public :: mfactRow
41 >  real(kind=dp), allocatable, dimension(:), public :: mfactCol
42 >  real(kind=dp), allocatable, dimension(:), public :: mfactLocal
43  
44 <  real(kind=dp), save :: rcut2 = 0.0_DP
45 <  real(kind=dp), save :: rcut6 = 0.0_DP
32 <  real(kind=dp), save :: rlist2 = 0.0_DP
33 <  real(kind=dp), public, dimension(3), save :: box
34 <
44 >  real(kind=dp), public, dimension(3,3), save :: Hmat, HmatInv
45 >  logical, public, save :: boxIsOrthorhombic
46    
47    public :: SimulationSetup
48    public :: getNlocal
49    public :: setBox
39  public :: setBox_3d
40  public :: getBox
41  public :: setRcut
42  public :: getRcut
43  public :: getRlist
44  public :: getRrf
45  public :: getRt
50    public :: getDielect
51    public :: SimUsesPBC
52    public :: SimUsesLJ
53 +  public :: SimUsesCharges
54    public :: SimUsesDipoles
55    public :: SimUsesSticky
56    public :: SimUsesRF
# Line 54 | Line 59 | module simulation
59    public :: SimRequiresPrepairCalc
60    public :: SimRequiresPostpairCalc
61    public :: SimUsesDirectionalAtoms
57
58  interface getBox
59     module procedure getBox_3d
60     module procedure getBox_1d
61  end interface
62    
63  interface setBox
64     module procedure setBox_3d
65     module procedure setBox_1d
66  end interface
67  
63   contains
64    
65 <  subroutine SimulationSetup(setThisSim, nComponents, c_idents, &
65 >  subroutine SimulationSetup(setThisSim, CnGlobal, CnLocal, c_idents, &
66         CnLocalExcludes, CexcludesLocal, CnGlobalExcludes, CexcludesGlobal, &
67 +       CmolMembership, Cmfact, CnGroups, CgroupList, CgroupStart, &
68         status)    
69  
70      type (simtype) :: setThisSim
71 <    integer, intent(inout) :: nComponents
72 <    integer, dimension(nComponents),intent(inout) :: c_idents
71 >    integer, intent(inout) :: CnGlobal, CnLocal
72 >    integer, dimension(CnLocal),intent(inout) :: c_idents
73  
74      integer :: CnLocalExcludes
75      integer, dimension(2,CnLocalExcludes), intent(in) :: CexcludesLocal
76      integer :: CnGlobalExcludes
77      integer, dimension(CnGlobalExcludes), intent(in) :: CexcludesGlobal
78 +    integer, dimension(CnGlobal),intent(in) :: CmolMembership
79      !!  Result status, success = 0, status = -1
80      integer, intent(out) :: status
81 <    integer :: i, me, thisStat, alloc_stat, myNode
81 >    integer :: i, j, me, thisStat, alloc_stat, myNode, id1, id2
82 >    integer :: ia
83 >
84 >    !! mass factors used for molecular cutoffs
85 >    real ( kind = dp ), dimension(CnLocal) :: Cmfact
86 >    integer, intent(in):: CnGroups
87 >    integer, dimension(CnLocal),intent(in) :: CgroupList
88 >    integer, dimension(CnGroups),intent(in) :: CgroupStart
89 >    integer :: maxSkipsForAtom
90 >
91   #ifdef IS_MPI
92      integer, allocatable, dimension(:) :: c_idents_Row
93      integer, allocatable, dimension(:) :: c_idents_Col
94 <    integer :: nrow
95 <    integer :: ncol
94 >    integer :: nAtomsInRow, nGroupsInRow
95 >    integer :: nAtomsInCol, nGroupsInCol
96   #endif  
97  
98      simulation_setup_complete = .false.
99      status = 0
100  
101      ! copy C struct into fortran type
102 +
103 +    nLocal = CnLocal
104 +    nGlobal = CnGlobal
105 +    nGroups = CnGroups
106 +
107      thisSim = setThisSim
97    natoms = nComponents
98    rcut2 = thisSim%rcut * thisSim%rcut
99    rcut6 = rcut2 * rcut2 * rcut2
100    rlist2 = thisSim%rlist * thisSim%rlist
101    box = thisSim%box
108  
109      nExcludes_Global = CnGlobalExcludes
110      nExcludes_Local = CnLocalExcludes
111  
112 <    call InitializeForceGlobals(natoms, thisStat)
112 >    call InitializeForceGlobals(nLocal, thisStat)
113      if (thisStat /= 0) then
114 +       write(default_error,*) "SimSetup: InitializeForceGlobals error"
115         status = -1
116         return
117      endif
118  
119      call InitializeSimGlobals(thisStat)
120      if (thisStat /= 0) then
121 +       write(default_error,*) "SimSetup: InitializeSimGlobals error"
122         status = -1
123         return
124      endif
# Line 122 | Line 130 | contains
130         status = -1
131         return
132      endif
133 <    nrow = getNrow(plan_row)
134 <    ncol = getNcol(plan_col)
133 >    nAtomsInRow = getNatomsInRow(plan_atom_row)
134 >    nAtomsInCol = getNatomsInCol(plan_atom_col)
135 >    nGroupsInRow = getNgroupsInRow(plan_group_row)
136 >    nGroupsInCol = getNgroupsInCol(plan_group_col)
137      mynode = getMyNode()
138      
139 <    allocate(c_idents_Row(nrow),stat=alloc_stat)
139 >    allocate(c_idents_Row(nAtomsInRow),stat=alloc_stat)
140      if (alloc_stat /= 0 ) then
141         status = -1
142         return
143      endif
144  
145 <    allocate(c_idents_Col(ncol),stat=alloc_stat)
145 >    allocate(c_idents_Col(nAtomsInCol),stat=alloc_stat)
146      if (alloc_stat /= 0 ) then
147         status = -1
148         return
149      endif
150  
151 <    call gather(c_idents, c_idents_Row, plan_row)
152 <    call gather(c_idents, c_idents_Col, plan_col)
151 >    call gather(c_idents, c_idents_Row, plan_atom_row)
152 >    call gather(c_idents, c_idents_Col, plan_atom_col)
153  
154 <    do i = 1, nrow
154 >    do i = 1, nAtomsInRow
155         me = getFirstMatchingElement(atypes, "c_ident", c_idents_Row(i))
156         atid_Row(i) = me
157      enddo
158  
159 <    do i = 1, ncol
159 >    do i = 1, nAtomsInCol
160         me = getFirstMatchingElement(atypes, "c_ident", c_idents_Col(i))
161         atid_Col(i) = me
162      enddo
# Line 158 | Line 168 | contains
168      if (allocated(c_idents_Row)) then
169         deallocate(c_idents_Row)
170      endif
171 +  
172 + #endif
173 +
174 + #ifdef IS_MPI
175 +    allocate(groupStartRow(nGroupsInRow+1),stat=alloc_stat)
176 +    if (alloc_stat /= 0 ) then
177 +       status = -1
178 +       return
179 +    endif
180 +    allocate(groupStartCol(nGroupsInCol+1),stat=alloc_stat)
181 +    if (alloc_stat /= 0 ) then
182 +       status = -1
183 +       return
184 +    endif
185 +    allocate(groupListRow(nAtomsInRow),stat=alloc_stat)
186 +    if (alloc_stat /= 0 ) then
187 +       status = -1
188 +       return
189 +    endif
190 +    allocate(groupListCol(nAtomsInCol),stat=alloc_stat)
191 +    if (alloc_stat /= 0 ) then
192 +       status = -1
193 +       return
194 +    endif
195 +    allocate(mfactRow(nAtomsInRow),stat=alloc_stat)
196 +    if (alloc_stat /= 0 ) then
197 +       status = -1
198 +       return
199 +    endif
200 +    allocate(mfactCol(nAtomsInCol),stat=alloc_stat)
201 +    if (alloc_stat /= 0 ) then
202 +       status = -1
203 +       return
204 +    endif
205 +    allocate(groupStartLocal(nGroups), stat=alloc_stat)
206 +    if (alloc_stat /= 0 ) then
207 +       status = -1
208 +       return
209 +    endif
210 +    allocate(groupListLocal(nLocal), stat=alloc_stat)
211 +    if (alloc_stat /= 0 ) then
212 +       status = -1
213 +       return
214 +    endif    
215 +    allocate(mfactLocal(nLocal), stat=alloc_stat)
216 +    if (alloc_stat /= 0 ) then
217 +       status = -1
218 +       return
219 +    endif    
220 +            
221 +    groupStartLocal = CgroupStart
222 +    groupListLocal = CgroupList
223 +    mfactLocal = Cmfact        
224 +            
225 +    call gather(groupStartLocal, groupStartRow, plan_group_row)
226 +    call gather(groupStartLocal, groupStartCol, plan_group_col)
227 +    groupStartRow(nGroupsInRow+1) = nAtomsInRow + 1
228 +    groupStartCol(nGroupsInCol+1) = nAtomsInCol + 1
229 +    call gather(groupListLocal,  groupListRow,  plan_atom_row)
230 +    call gather(groupListLocal,  groupListCol,  plan_atom_col)
231 +    call gather(mfactLocal,      mfactRow,      plan_atom_row)
232 +    call gather(mfactLocal,      mfactCol,      plan_atom_col)
233      
234 +    if (allocated(mfactLocal)) then
235 +       deallocate(mfactLocal)
236 +    end if
237 +    if (allocated(groupListLocal)) then
238 +       deallocate(groupListLocal)
239 +    endif
240 +    if (allocated(groupStartLocal)) then
241 +       deallocate(groupStartLocal)
242 +    endif
243   #else
244 <    do i = 1, nComponents
244 >    allocate(groupStartRow(nGroups+1),stat=alloc_stat)
245 >    if (alloc_stat /= 0 ) then
246 >       status = -1
247 >       return
248 >    endif
249 >    allocate(groupStartCol(nGroups+1),stat=alloc_stat)
250 >    if (alloc_stat /= 0 ) then
251 >       status = -1
252 >       return
253 >    endif
254 >    allocate(groupListRow(nLocal),stat=alloc_stat)
255 >    if (alloc_stat /= 0 ) then
256 >       status = -1
257 >       return
258 >    endif
259 >    allocate(groupListCol(nLocal),stat=alloc_stat)
260 >    if (alloc_stat /= 0 ) then
261 >       status = -1
262 >       return
263 >    endif
264 >    allocate(mfactRow(nLocal),stat=alloc_stat)
265 >    if (alloc_stat /= 0 ) then
266 >       status = -1
267 >       return
268 >    endif
269 >    allocate(mfactCol(nLocal),stat=alloc_stat)
270 >    if (alloc_stat /= 0 ) then
271 >       status = -1
272 >       return
273 >    endif
274 >    do i = 1, nGroups
275 >       groupStartRow(i) = CgroupStart(i)
276 >       groupStartCol(i) = CgroupStart(i)
277 >    end do
278 >    groupStartRow(nGroups+1) = nLocal + 1
279 >    groupStartCol(nGroups+1) = nLocal + 1
280 >    do i = 1, nLocal
281 >       groupListRow(i) = CgroupList(i)
282 >       groupListCol(i) = CgroupList(i)
283 >       mfactRow(i) = Cmfact(i)
284 >       mfactCol(i) = Cmfact(i)
285 >    end do
286 >    
287 > #endif
288 >
289 >
290 > ! We build the local atid's for both mpi and nonmpi
291 >    do i = 1, nLocal
292        
293         me = getFirstMatchingElement(atypes, "c_ident", c_idents(i))
294         atid(i) = me
295    
296      enddo
297 +
298 +    do i = 1, nExcludes_Local
299 +       excludesLocal(1,i) = CexcludesLocal(1,i)
300 +       excludesLocal(2,i) = CexcludesLocal(2,i)
301 +    enddo
302 +
303 +    maxSkipsForAtom = 0
304 +    do j = 1, nLocal
305 +       nSkipsForAtom(j) = 0
306 + #ifdef IS_MPI
307 +       id1 = AtomRowToGlobal(j)
308 + #else
309 +       id1 = j
310   #endif
311 +       do i = 1, nExcludes_Local
312 +          if (excludesLocal(1,i) .eq. id1 ) then
313 +             nSkipsForAtom(j) = nSkipsForAtom(j) + 1
314  
315 <    !! Create neighbor lists
316 <    call expandNeighborList(nComponents, thisStat)
317 <    if (thisStat /= 0) then
318 <       status = -1
315 >             if (nSkipsForAtom(j) .gt. maxSkipsForAtom) then
316 >                maxSkipsForAtom = nSkipsForAtom(j)
317 >             endif
318 >          endif
319 >          if (excludesLocal(2,i) .eq. id1 ) then
320 >             nSkipsForAtom(j) = nSkipsForAtom(j) + 1
321 >
322 >             if (nSkipsForAtom(j) .gt. maxSkipsForAtom) then
323 >                maxSkipsForAtom = nSkipsForAtom(j)
324 >             endif
325 >          endif
326 >       end do
327 >    enddo
328 >
329 >    allocate(skipsForAtom(nLocal, maxSkipsForAtom), stat=alloc_stat)
330 >    if (alloc_stat /= 0 ) then
331 >       write(*,*) 'Could not allocate skipsForAtom array'
332         return
333      endif
334  
335 <    do i = 1, nExcludes_Local
336 <       excludesLocal(1,i) = CexcludesLocal(1,i)
337 <       excludesLocal(2,i) = CexcludesLocal(2,i)
335 >    do j = 1, nLocal
336 >       nSkipsForAtom(j) = 0
337 > #ifdef IS_MPI
338 >       id1 = AtomRowToGlobal(j)
339 > #else
340 >       id1 = j
341 > #endif
342 >       do i = 1, nExcludes_Local
343 >          if (excludesLocal(1,i) .eq. id1 ) then
344 >             nSkipsForAtom(j) = nSkipsForAtom(j) + 1
345 > #ifdef IS_MPI
346 >             id2 = AtomColToGlobal(excludesLocal(2,i))
347 > #else
348 >             id2 = excludesLocal(2,i)
349 > #endif
350 >             skipsForAtom(j, nSkipsForAtom(j)) = id2
351 >          endif
352 >          if (excludesLocal(2, i) .eq. id2 ) then
353 >             nSkipsForAtom(j) = nSkipsForAtom(j) + 1
354 > #ifdef IS_MPI
355 >             id2 = AtomColToGlobal(excludesLocal(1,i))
356 > #else
357 >             id2 = excludesLocal(1,i)
358 > #endif
359 >             skipsForAtom(j, nSkipsForAtom(j)) = id2
360 >          endif
361 >       end do
362      enddo
363      
364      do i = 1, nExcludes_Global
365         excludesGlobal(i) = CexcludesGlobal(i)
366      enddo
367 +
368 +    do i = 1, nGlobal
369 +       molMemberShipList(i) = CmolMembership(i)
370 +    enddo
371      
372      if (status == 0) simulation_setup_complete = .true.
373      
374    end subroutine SimulationSetup
375    
376 <  subroutine setBox_3d(new_box_size)
377 <    real(kind=dp), dimension(3) :: new_box_size
376 >  subroutine setBox(cHmat, cHmatInv, cBoxIsOrthorhombic)
377 >    real(kind=dp), dimension(3,3) :: cHmat, cHmatInv
378 >    integer :: cBoxIsOrthorhombic
379      integer :: smallest, status, i
380 <
381 <    thisSim%box = new_box_size
382 <    box = thisSim%box
383 <
384 <    smallest = 1
385 <    do i = 2, 3
386 <       if (new_box_size(i) .lt. new_box_size(smallest)) smallest = i
201 <    end do
202 <    if (thisSim%rcut .gt. 0.5_dp * new_box_size(smallest)) &
203 <         call setRcut(0.5_dp * new_box_size(smallest), status)
204 <    return    
205 <  end subroutine setBox_3d
206 <
207 <  subroutine setBox_1d(dim, new_box_size)
208 <    integer :: dim, status
209 <    real(kind=dp) :: new_box_size
210 <    thisSim%box(dim) = new_box_size
211 <    box(dim) = thisSim%box(dim)
212 <    if (thisSim%rcut .gt. 0.5_dp * new_box_size) &
213 <         call setRcut(0.5_dp * new_box_size, status)
214 <  end subroutine setBox_1d
215 <
216 <  subroutine setRcut(new_rcut, status)
217 <    real(kind = dp) :: new_rcut
218 <    integer :: myStatus, status
219 <    thisSim%rcut = new_rcut
220 <    rcut2 = thisSim%rcut * thisSim%rcut
221 <    rcut6 = rcut2 * rcut2 * rcut2
222 <    myStatus = 0
223 <    call LJ_new_rcut(new_rcut, myStatus)
224 <    if (myStatus .ne. 0) then
225 <       write(default_error, *) 'LJ module refused our rcut!'
226 <       status = -1
227 <       return
380 >    
381 >    Hmat = cHmat
382 >    HmatInv = cHmatInv
383 >    if (cBoxIsOrthorhombic .eq. 0 ) then
384 >       boxIsOrthorhombic = .false.
385 >    else
386 >       boxIsOrthorhombic = .true.
387      endif
229    status = 0
230    return
231  end subroutine setRcut
232
233  function getBox_3d() result(thisBox)
234    real( kind = dp ), dimension(3) :: thisBox
235    thisBox = thisSim%box
236  end function getBox_3d
237  
238  function getBox_1d(dim) result(thisBox)
239    integer, intent(in) :: dim
240    real( kind = dp ) :: thisBox
388      
389 <    thisBox = thisSim%box(dim)
390 <  end function getBox_1d
244 <    
245 <  subroutine getRcut(thisrcut,rc2,rc6,status)
246 <    real( kind = dp ), intent(out) :: thisrcut
247 <    real( kind = dp ), intent(out), optional :: rc2
248 <    real( kind = dp ), intent(out), optional :: rc6
249 <    integer, optional :: status
389 >    return    
390 >  end subroutine setBox
391  
251    if (present(status)) status = 0
252    
253    if (.not.simulation_setup_complete ) then
254       if (present(status)) status = -1
255       return
256    end if
257    
258    thisrcut = thisSim%rcut
259    if(present(rc2)) rc2 = rcut2
260    if(present(rc6)) rc6 = rcut6
261  end subroutine getRcut
262  
263  subroutine getRlist(thisrlist,rl2,status)
264    real( kind = dp ), intent(out) :: thisrlist
265    real( kind = dp ), intent(out), optional :: rl2
266
267    integer, optional :: status
268
269    if (present(status)) status = 0
270
271    if (.not.simulation_setup_complete ) then
272       if (present(status)) status = -1
273       return
274    end if
275    
276    thisrlist = thisSim%rlist
277    if(present(rl2)) rl2 = rlist2
278  end subroutine getRlist
279
280  function getRrf() result(rrf)
281    real( kind = dp ) :: rrf
282    rrf = thisSim%rrf
283  end function getRrf
284  
285  function getRt() result(rt)
286    real( kind = dp ) :: rt
287    rt = thisSim%rt
288  end function getRt
289
392    function getDielect() result(dielect)
393      real( kind = dp ) :: dielect
394      dielect = thisSim%dielect
# Line 307 | Line 409 | contains
409      doesit = thisSim%SIM_uses_sticky
410    end function SimUsesSticky
411  
412 +  function SimUsesCharges() result(doesit)
413 +    logical :: doesit
414 +    doesit = thisSim%SIM_uses_charges
415 +  end function SimUsesCharges
416 +
417    function SimUsesDipoles() result(doesit)
418      logical :: doesit
419      doesit = thisSim%SIM_uses_dipoles
# Line 350 | Line 457 | contains
457      thisStat = 0
458      
459      call FreeSimGlobals()    
460 +
461 +    allocate(nSkipsForAtom(nLocal), stat=alloc_stat)
462 +    if (alloc_stat /= 0 ) then
463 +       thisStat = -1
464 +       return
465 +    endif
466      
467      allocate(excludesLocal(2,nExcludes_Local), stat=alloc_stat)
468      if (alloc_stat /= 0 ) then
# Line 362 | Line 475 | contains
475         thisStat = -1
476         return
477      endif
478 +
479 +    allocate(molMembershipList(nGlobal), stat=alloc_stat)
480 +    if (alloc_stat /= 0 ) then
481 +       thisStat = -1
482 +       return
483 +    endif
484      
485    end subroutine InitializeSimGlobals
486    
487    subroutine FreeSimGlobals()
488      
489      !We free in the opposite order in which we allocate in.
490 <    
490 >
491 >    if (allocated(skipsForAtom)) deallocate(skipsForAtom)
492 >    if (allocated(mfactCol)) deallocate(mfactCol)
493 >    if (allocated(mfactRow)) deallocate(mfactRow)
494 >    if (allocated(groupListCol)) deallocate(groupListCol)    
495 >    if (allocated(groupListRow)) deallocate(groupListRow)    
496 >    if (allocated(groupStartCol)) deallocate(groupStartCol)
497 >    if (allocated(groupStartRow)) deallocate(groupStartRow)    
498 >    if (allocated(molMembershipList)) deallocate(molMembershipList)    
499      if (allocated(excludesGlobal)) deallocate(excludesGlobal)
500      if (allocated(excludesLocal)) deallocate(excludesLocal)
501 <
501 >    
502    end subroutine FreeSimGlobals
503 <
504 <  pure function getNlocal() result(nlocal)
505 <    integer :: nlocal
506 <    nlocal = natoms
503 >  
504 >  pure function getNlocal() result(n)
505 >    integer :: n
506 >    n = nLocal
507    end function getNlocal
381
508    
509 +  
510   end module simulation

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