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root/group/trunk/OOPSE/libmdtools/simulation_module.F90
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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 1144 by tim, Sat May 1 18:52:38 2004 UTC

# Line 6 | Line 6 | module simulation
6    use force_globals
7    use vector_class
8    use atype_module
9  use lj
9   #ifdef IS_MPI
10    use mpiSimulation
11   #endif
# Line 17 | Line 16 | module simulation
16   #define __FORTRAN90
17   #include "fSimulation.h"
18  
19 <  type (simtype), public :: thisSim
19 >  type (simtype), public, save :: thisSim
20  
21    logical, save :: simulation_setup_complete = .false.
22  
23 <  integer, public, save :: natoms
23 >  integer, public, save :: nLocal, nGlobal
24    integer, public, save :: nExcludes_Global = 0
25    integer, public, save :: nExcludes_Local = 0
26    integer, allocatable, dimension(:,:), public :: excludesLocal
27    integer, allocatable, dimension(:), public :: excludesGlobal
28 +  integer, allocatable, dimension(:), public :: molMembershipList
29  
30 <  real(kind=dp), save :: rcut2 = 0.0_DP
31 <  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 <
30 >  real(kind=dp), public, dimension(3,3), save :: Hmat, HmatInv
31 >  logical, public, save :: boxIsOrthorhombic
32    
33    public :: SimulationSetup
34    public :: getNlocal
35    public :: setBox
39  public :: setBox_3d
40  public :: getBox
41  public :: setRcut
42  public :: getRcut
43  public :: getRlist
44  public :: getRrf
45  public :: getRt
36    public :: getDielect
37    public :: SimUsesPBC
38    public :: SimUsesLJ
39 +  public :: SimUsesCharges
40    public :: SimUsesDipoles
41    public :: SimUsesSticky
42    public :: SimUsesRF
# Line 54 | Line 45 | module simulation
45    public :: SimRequiresPrepairCalc
46    public :: SimRequiresPostpairCalc
47    public :: SimUsesDirectionalAtoms
57
58  interface getBox
59     module procedure getBox_3d
60     module procedure getBox_1d
61  end interface
48    
63  interface setBox
64     module procedure setBox_3d
65     module procedure setBox_1d
66  end interface
67  
49   contains
50    
51 <  subroutine SimulationSetup(setThisSim, nComponents, c_idents, &
51 >  subroutine SimulationSetup(setThisSim, CnGlobal, CnLocal, c_idents, &
52         CnLocalExcludes, CexcludesLocal, CnGlobalExcludes, CexcludesGlobal, &
53 +       CmolMembership, mfact, ngroup, groupList, groupStart, &
54         status)    
55  
56      type (simtype) :: setThisSim
57 <    integer, intent(inout) :: nComponents
58 <    integer, dimension(nComponents),intent(inout) :: c_idents
57 >    integer, intent(inout) :: CnGlobal, CnLocal
58 >    integer, dimension(CnLocal),intent(inout) :: c_idents
59  
60      integer :: CnLocalExcludes
61      integer, dimension(2,CnLocalExcludes), intent(in) :: CexcludesLocal
62      integer :: CnGlobalExcludes
63      integer, dimension(CnGlobalExcludes), intent(in) :: CexcludesGlobal
64 +    integer, dimension(CnGlobal),intent(in) :: CmolMembership
65      !!  Result status, success = 0, status = -1
66      integer, intent(out) :: status
67      integer :: i, me, thisStat, alloc_stat, myNode
68 +
69 +    !! mass factors used for molecular cutoffs
70 +    real ( kind = dp ), dimension(3,nLocal) :: mfact
71 +    integer, intent(in):: ngroup
72 +    integer, dimension(nLocal),intent(in) :: groupList
73 +    integer, dimension(ngroup),intent(in) :: groupStart
74 +
75   #ifdef IS_MPI
76      integer, allocatable, dimension(:) :: c_idents_Row
77      integer, allocatable, dimension(:) :: c_idents_Col
# Line 93 | Line 83 | contains
83      status = 0
84  
85      ! copy C struct into fortran type
86 +
87 +    nLocal = CnLocal
88 +    nGlobal = CnGlobal
89 +
90      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
91  
92      nExcludes_Global = CnGlobalExcludes
93      nExcludes_Local = CnLocalExcludes
94  
95 <    call InitializeForceGlobals(natoms, thisStat)
95 >    call InitializeForceGlobals(nLocal, thisStat)
96      if (thisStat /= 0) then
97 +       write(default_error,*) "SimSetup: InitializeForceGlobals error"
98         status = -1
99         return
100      endif
101  
102      call InitializeSimGlobals(thisStat)
103      if (thisStat /= 0) then
104 +       write(default_error,*) "SimSetup: InitializeSimGlobals error"
105         status = -1
106         return
107      endif
# Line 159 | Line 150 | contains
150         deallocate(c_idents_Row)
151      endif
152      
153 < #else
154 <    do i = 1, nComponents
153 > #endif
154 >
155 > ! We build the local atid's for both mpi and nonmpi
156 >    do i = 1, nLocal
157        
158         me = getFirstMatchingElement(atypes, "c_ident", c_idents(i))
159         atid(i) = me
160    
161      enddo
169 #endif
162  
171    !! Create neighbor lists
172    call expandNeighborList(nComponents, thisStat)
173    if (thisStat /= 0) then
174       status = -1
175       return
176    endif
163  
164 +
165 +
166      do i = 1, nExcludes_Local
167         excludesLocal(1,i) = CexcludesLocal(1,i)
168         excludesLocal(2,i) = CexcludesLocal(2,i)
# Line 183 | Line 171 | contains
171      do i = 1, nExcludes_Global
172         excludesGlobal(i) = CexcludesGlobal(i)
173      enddo
174 <    
174 >
175 >    do i = 1, nGlobal
176 >       molMemberShipList(i) = CmolMembership(i)
177 >     enddo
178 >
179      if (status == 0) simulation_setup_complete = .true.
180      
181    end subroutine SimulationSetup
182    
183 <  subroutine setBox_3d(new_box_size)
184 <    real(kind=dp), dimension(3) :: new_box_size
183 >  subroutine setBox(cHmat, cHmatInv, cBoxIsOrthorhombic)
184 >    real(kind=dp), dimension(3,3) :: cHmat, cHmatInv
185 >    integer :: cBoxIsOrthorhombic
186      integer :: smallest, status, i
187 <
188 <    thisSim%box = new_box_size
189 <    box = thisSim%box
190 <
191 <    smallest = 1
192 <    do i = 2, 3
193 <       if (new_box_size(i) .lt. new_box_size(smallest)) smallest = i
194 <    end do
195 <    if (thisSim%rcut .gt. 0.5_dp * new_box_size(smallest)) &
203 <         call setRcut(0.5_dp * new_box_size(smallest), status)
187 >    
188 >    Hmat = cHmat
189 >    HmatInv = cHmatInv
190 >    if (cBoxIsOrthorhombic .eq. 0 ) then
191 >       boxIsOrthorhombic = .false.
192 >    else
193 >       boxIsOrthorhombic = .true.
194 >    endif
195 >    
196      return    
197 <  end subroutine setBox_3d
197 >  end subroutine setBox
198  
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
228    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
241    
242    thisBox = thisSim%box(dim)
243  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
250
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
199    function getDielect() result(dielect)
200      real( kind = dp ) :: dielect
201      dielect = thisSim%dielect
# Line 307 | Line 216 | contains
216      doesit = thisSim%SIM_uses_sticky
217    end function SimUsesSticky
218  
219 +  function SimUsesCharges() result(doesit)
220 +    logical :: doesit
221 +    doesit = thisSim%SIM_uses_charges
222 +  end function SimUsesCharges
223 +
224    function SimUsesDipoles() result(doesit)
225      logical :: doesit
226      doesit = thisSim%SIM_uses_dipoles
# Line 362 | Line 276 | contains
276         thisStat = -1
277         return
278      endif
279 +
280 +    allocate(molMembershipList(nGlobal), stat=alloc_stat)
281 +    if (alloc_stat /= 0 ) then
282 +       thisStat = -1
283 +       return
284 +    endif
285      
286    end subroutine InitializeSimGlobals
287    
288    subroutine FreeSimGlobals()
289      
290      !We free in the opposite order in which we allocate in.
291 <    
291 >
292 >    if (allocated(molMembershipList)) deallocate(molMembershipList)    
293      if (allocated(excludesGlobal)) deallocate(excludesGlobal)
294      if (allocated(excludesLocal)) deallocate(excludesLocal)
295  
296    end subroutine FreeSimGlobals
297  
298 <  pure function getNlocal() result(nlocal)
299 <    integer :: nlocal
300 <    nlocal = natoms
298 >  pure function getNlocal() result(n)
299 >    integer :: n
300 >    n = nLocal
301    end function getNlocal
302  
303    

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