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!! @author Charles F. Vardeman II |
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!! @author Matthew Meineke |
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< |
!! @version $Id: doForces.F90,v 1.44 2005-09-15 22:05:17 gezelter Exp $, $Date: 2005-09-15 22:05:17 $, $Name: not supported by cvs2svn $, $Revision: 1.44 $ |
| 48 |
> |
!! @version $Id: doForces.F90,v 1.54 2005-10-12 18:59:16 chuckv Exp $, $Date: 2005-10-12 18:59:16 $, $Name: not supported by cvs2svn $, $Revision: 1.54 $ |
| 49 |
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module doForces |
| 75 |
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#include "UseTheForce/fSwitchingFunction.h" |
| 76 |
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#include "UseTheForce/fCutoffPolicy.h" |
| 77 |
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#include "UseTheForce/DarkSide/fInteractionMap.h" |
| 78 |
+ |
#include "UseTheForce/DarkSide/fElectrostaticSummationMethod.h" |
| 79 |
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| 80 |
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| 81 |
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INTEGER, PARAMETER:: PREPAIR_LOOP = 1 |
| 86 |
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logical, save :: haveSaneForceField = .false. |
| 87 |
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logical, save :: haveInteractionHash = .false. |
| 88 |
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logical, save :: haveGtypeCutoffMap = .false. |
| 89 |
+ |
logical, save :: haveDefaultCutoffs = .false. |
| 90 |
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logical, save :: haveRlist = .false. |
| 91 |
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|
| 92 |
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logical, save :: FF_uses_DirectionalAtoms |
| 93 |
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logical, save :: FF_uses_Dipoles |
| 94 |
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logical, save :: FF_uses_GayBerne |
| 95 |
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logical, save :: FF_uses_EAM |
| 94 |
– |
logical, save :: FF_uses_RF |
| 96 |
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|
| 97 |
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logical, save :: SIM_uses_DirectionalAtoms |
| 98 |
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logical, save :: SIM_uses_EAM |
| 98 |
– |
logical, save :: SIM_uses_RF |
| 99 |
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logical, save :: SIM_requires_postpair_calc |
| 100 |
|
logical, save :: SIM_requires_prepair_calc |
| 101 |
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logical, save :: SIM_uses_PBC |
| 102 |
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|
| 103 |
< |
integer, save :: corrMethod |
| 103 |
> |
integer, save :: electrostaticSummationMethod |
| 104 |
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|
| 105 |
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public :: init_FF |
| 106 |
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public :: setDefaultCutoffs |
| 124 |
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! Bit hash to determine pair-pair interactions. |
| 125 |
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integer, dimension(:,:), allocatable :: InteractionHash |
| 126 |
|
real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff |
| 127 |
< |
real(kind=dp), dimension(:), allocatable :: groupMaxCutoff |
| 128 |
< |
integer, dimension(:), allocatable :: groupToGtype |
| 129 |
< |
real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff |
| 127 |
> |
real(kind=dp), dimension(:), allocatable, target :: groupMaxCutoffRow |
| 128 |
> |
real(kind=dp), dimension(:), pointer :: groupMaxCutoffCol |
| 129 |
> |
|
| 130 |
> |
integer, dimension(:), allocatable, target :: groupToGtypeRow |
| 131 |
> |
integer, dimension(:), pointer :: groupToGtypeCol => null() |
| 132 |
> |
|
| 133 |
> |
real(kind=dp), dimension(:), allocatable,target :: gtypeMaxCutoffRow |
| 134 |
> |
real(kind=dp), dimension(:), pointer :: gtypeMaxCutoffCol |
| 135 |
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type ::gtypeCutoffs |
| 136 |
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real(kind=dp) :: rcut |
| 137 |
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real(kind=dp) :: rcutsq |
| 141 |
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|
| 142 |
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integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY |
| 143 |
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real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist |
| 144 |
< |
real(kind=dp),save :: rcuti |
| 144 |
> |
real(kind=dp),save :: listSkin |
| 145 |
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|
| 146 |
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contains |
| 147 |
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|
| 184 |
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end if |
| 185 |
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|
| 186 |
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if (.not. allocated(InteractionHash)) then |
| 187 |
+ |
allocate(InteractionHash(nAtypes,nAtypes)) |
| 188 |
+ |
else |
| 189 |
+ |
deallocate(InteractionHash) |
| 190 |
|
allocate(InteractionHash(nAtypes,nAtypes)) |
| 191 |
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endif |
| 192 |
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|
| 193 |
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if (.not. allocated(atypeMaxCutoff)) then |
| 194 |
|
allocate(atypeMaxCutoff(nAtypes)) |
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+ |
else |
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+ |
deallocate(atypeMaxCutoff) |
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+ |
allocate(atypeMaxCutoff(nAtypes)) |
| 198 |
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endif |
| 199 |
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|
| 200 |
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do i = 1, nAtypes |
| 271 |
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logical :: GtypeFound |
| 272 |
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|
| 273 |
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integer :: myStatus, nAtypes, i, j, istart, iend, jstart, jend |
| 274 |
< |
integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes |
| 274 |
> |
integer :: n_in_i, me_i, ia, g, atom1, ja, n_in_j,me_j |
| 275 |
|
integer :: nGroupsInRow |
| 276 |
< |
real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin |
| 276 |
> |
integer :: nGroupsInCol |
| 277 |
> |
integer :: nGroupTypesRow,nGroupTypesCol |
| 278 |
> |
real(kind=dp):: thisSigma, bigSigma, thisRcut, tradRcut, tol, skin |
| 279 |
|
real(kind=dp) :: biggestAtypeCutoff |
| 280 |
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|
| 281 |
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stat = 0 |
| 289 |
|
endif |
| 290 |
|
#ifdef IS_MPI |
| 291 |
|
nGroupsInRow = getNgroupsInRow(plan_group_row) |
| 292 |
+ |
nGroupsInCol = getNgroupsInCol(plan_group_col) |
| 293 |
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#endif |
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nAtypes = getSize(atypes) |
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! Set all of the initial cutoffs to zero. |
| 305 |
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call getElementProperty(atypes, i, "is_Shape", i_is_Shape) |
| 306 |
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|
| 307 |
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|
| 308 |
< |
if (i_is_LJ) then |
| 309 |
< |
thisRcut = getSigma(i) * 2.5_dp |
| 310 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 311 |
< |
endif |
| 312 |
< |
if (i_is_Elect) then |
| 313 |
< |
thisRcut = defaultRcut |
| 314 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 315 |
< |
endif |
| 316 |
< |
if (i_is_Sticky) then |
| 317 |
< |
thisRcut = getStickyCut(i) |
| 318 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 319 |
< |
endif |
| 320 |
< |
if (i_is_StickyP) then |
| 321 |
< |
thisRcut = getStickyPowerCut(i) |
| 322 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 323 |
< |
endif |
| 324 |
< |
if (i_is_GB) then |
| 325 |
< |
thisRcut = getGayBerneCut(i) |
| 326 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 327 |
< |
endif |
| 328 |
< |
if (i_is_EAM) then |
| 329 |
< |
thisRcut = getEAMCut(i) |
| 330 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 331 |
< |
endif |
| 332 |
< |
if (i_is_Shape) then |
| 333 |
< |
thisRcut = getShapeCut(i) |
| 334 |
< |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 308 |
> |
if (haveDefaultCutoffs) then |
| 309 |
> |
atypeMaxCutoff(i) = defaultRcut |
| 310 |
> |
else |
| 311 |
> |
if (i_is_LJ) then |
| 312 |
> |
thisRcut = getSigma(i) * 2.5_dp |
| 313 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 314 |
> |
endif |
| 315 |
> |
if (i_is_Elect) then |
| 316 |
> |
thisRcut = defaultRcut |
| 317 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 318 |
> |
endif |
| 319 |
> |
if (i_is_Sticky) then |
| 320 |
> |
thisRcut = getStickyCut(i) |
| 321 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 322 |
> |
endif |
| 323 |
> |
if (i_is_StickyP) then |
| 324 |
> |
thisRcut = getStickyPowerCut(i) |
| 325 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 326 |
> |
endif |
| 327 |
> |
if (i_is_GB) then |
| 328 |
> |
thisRcut = getGayBerneCut(i) |
| 329 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 330 |
> |
endif |
| 331 |
> |
if (i_is_EAM) then |
| 332 |
> |
thisRcut = getEAMCut(i) |
| 333 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 334 |
> |
endif |
| 335 |
> |
if (i_is_Shape) then |
| 336 |
> |
thisRcut = getShapeCut(i) |
| 337 |
> |
if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut |
| 338 |
> |
endif |
| 339 |
|
endif |
| 340 |
|
|
| 341 |
+ |
|
| 342 |
|
if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then |
| 343 |
|
biggestAtypeCutoff = atypeMaxCutoff(i) |
| 344 |
|
endif |
| 345 |
+ |
|
| 346 |
|
endif |
| 347 |
|
enddo |
| 348 |
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|
| 349 |
< |
nGroupTypes = 0 |
| 349 |
> |
|
| 350 |
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|
| 351 |
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istart = 1 |
| 352 |
+ |
jstart = 1 |
| 353 |
|
#ifdef IS_MPI |
| 354 |
|
iend = nGroupsInRow |
| 355 |
+ |
jend = nGroupsInCol |
| 356 |
|
#else |
| 357 |
|
iend = nGroups |
| 358 |
+ |
jend = nGroups |
| 359 |
|
#endif |
| 360 |
|
|
| 361 |
|
!! allocate the groupToGtype and gtypeMaxCutoff here. |
| 362 |
< |
if(.not.allocated(groupToGtype)) then |
| 363 |
< |
allocate(groupToGtype(iend)) |
| 364 |
< |
allocate(groupMaxCutoff(iend)) |
| 365 |
< |
allocate(gtypeMaxCutoff(iend)) |
| 366 |
< |
groupMaxCutoff = 0.0_dp |
| 367 |
< |
gtypeMaxCutoff = 0.0_dp |
| 362 |
> |
if(.not.allocated(groupToGtypeRow)) then |
| 363 |
> |
! allocate(groupToGtype(iend)) |
| 364 |
> |
allocate(groupToGtypeRow(iend)) |
| 365 |
> |
else |
| 366 |
> |
deallocate(groupToGtypeRow) |
| 367 |
> |
allocate(groupToGtypeRow(iend)) |
| 368 |
|
endif |
| 369 |
+ |
if(.not.allocated(groupMaxCutoffRow)) then |
| 370 |
+ |
allocate(groupMaxCutoffRow(iend)) |
| 371 |
+ |
else |
| 372 |
+ |
deallocate(groupMaxCutoffRow) |
| 373 |
+ |
allocate(groupMaxCutoffRow(iend)) |
| 374 |
+ |
end if |
| 375 |
+ |
|
| 376 |
+ |
if(.not.allocated(gtypeMaxCutoffRow)) then |
| 377 |
+ |
allocate(gtypeMaxCutoffRow(iend)) |
| 378 |
+ |
else |
| 379 |
+ |
deallocate(gtypeMaxCutoffRow) |
| 380 |
+ |
allocate(gtypeMaxCutoffRow(iend)) |
| 381 |
+ |
endif |
| 382 |
+ |
|
| 383 |
+ |
|
| 384 |
+ |
#ifdef IS_MPI |
| 385 |
+ |
! We only allocate new storage if we are in MPI because Ncol /= Nrow |
| 386 |
+ |
if(.not.associated(groupToGtypeCol)) then |
| 387 |
+ |
allocate(groupToGtypeCol(jend)) |
| 388 |
+ |
else |
| 389 |
+ |
deallocate(groupToGtypeCol) |
| 390 |
+ |
allocate(groupToGtypeCol(jend)) |
| 391 |
+ |
end if |
| 392 |
+ |
|
| 393 |
+ |
if(.not.associated(groupToGtypeCol)) then |
| 394 |
+ |
allocate(groupToGtypeCol(jend)) |
| 395 |
+ |
else |
| 396 |
+ |
deallocate(groupToGtypeCol) |
| 397 |
+ |
allocate(groupToGtypeCol(jend)) |
| 398 |
+ |
end if |
| 399 |
+ |
if(.not.associated(gtypeMaxCutoffCol)) then |
| 400 |
+ |
allocate(gtypeMaxCutoffCol(jend)) |
| 401 |
+ |
else |
| 402 |
+ |
deallocate(gtypeMaxCutoffCol) |
| 403 |
+ |
allocate(gtypeMaxCutoffCol(jend)) |
| 404 |
+ |
end if |
| 405 |
+ |
|
| 406 |
+ |
groupMaxCutoffCol = 0.0_dp |
| 407 |
+ |
gtypeMaxCutoffCol = 0.0_dp |
| 408 |
+ |
|
| 409 |
+ |
#endif |
| 410 |
+ |
groupMaxCutoffRow = 0.0_dp |
| 411 |
+ |
gtypeMaxCutoffRow = 0.0_dp |
| 412 |
+ |
|
| 413 |
+ |
|
| 414 |
|
!! first we do a single loop over the cutoff groups to find the |
| 415 |
|
!! largest cutoff for any atypes present in this group. We also |
| 416 |
|
!! create gtypes at this point. |
| 417 |
|
|
| 418 |
|
tol = 1.0d-6 |
| 419 |
< |
|
| 419 |
> |
nGroupTypesRow = 0 |
| 420 |
> |
|
| 421 |
|
do i = istart, iend |
| 422 |
|
n_in_i = groupStartRow(i+1) - groupStartRow(i) |
| 423 |
< |
groupMaxCutoff(i) = 0.0_dp |
| 423 |
> |
groupMaxCutoffRow(i) = 0.0_dp |
| 424 |
|
do ia = groupStartRow(i), groupStartRow(i+1)-1 |
| 425 |
|
atom1 = groupListRow(ia) |
| 426 |
|
#ifdef IS_MPI |
| 428 |
|
#else |
| 429 |
|
me_i = atid(atom1) |
| 430 |
|
#endif |
| 431 |
< |
if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then |
| 432 |
< |
groupMaxCutoff(i)=atypeMaxCutoff(me_i) |
| 431 |
> |
if (atypeMaxCutoff(me_i).gt.groupMaxCutoffRow(i)) then |
| 432 |
> |
groupMaxCutoffRow(i)=atypeMaxCutoff(me_i) |
| 433 |
|
endif |
| 434 |
|
enddo |
| 435 |
|
|
| 436 |
< |
if (nGroupTypes.eq.0) then |
| 437 |
< |
nGroupTypes = nGroupTypes + 1 |
| 438 |
< |
gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i) |
| 439 |
< |
groupToGtype(i) = nGroupTypes |
| 436 |
> |
if (nGroupTypesRow.eq.0) then |
| 437 |
> |
nGroupTypesRow = nGroupTypesRow + 1 |
| 438 |
> |
gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i) |
| 439 |
> |
groupToGtypeRow(i) = nGroupTypesRow |
| 440 |
|
else |
| 441 |
|
GtypeFound = .false. |
| 442 |
< |
do g = 1, nGroupTypes |
| 443 |
< |
if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then |
| 444 |
< |
groupToGtype(i) = g |
| 442 |
> |
do g = 1, nGroupTypesRow |
| 443 |
> |
if ( abs(groupMaxCutoffRow(i) - gtypeMaxCutoffRow(g)).lt.tol) then |
| 444 |
> |
groupToGtypeRow(i) = g |
| 445 |
|
GtypeFound = .true. |
| 446 |
|
endif |
| 447 |
|
enddo |
| 448 |
|
if (.not.GtypeFound) then |
| 449 |
< |
nGroupTypes = nGroupTypes + 1 |
| 450 |
< |
gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i) |
| 451 |
< |
groupToGtype(i) = nGroupTypes |
| 449 |
> |
nGroupTypesRow = nGroupTypesRow + 1 |
| 450 |
> |
gtypeMaxCutoffRow(nGroupTypesRow) = groupMaxCutoffRow(i) |
| 451 |
> |
groupToGtypeRow(i) = nGroupTypesRow |
| 452 |
|
endif |
| 453 |
|
endif |
| 454 |
|
enddo |
| 455 |
|
|
| 456 |
+ |
#ifdef IS_MPI |
| 457 |
+ |
do j = jstart, jend |
| 458 |
+ |
n_in_j = groupStartCol(j+1) - groupStartCol(j) |
| 459 |
+ |
groupMaxCutoffCol(j) = 0.0_dp |
| 460 |
+ |
do ja = groupStartCol(j), groupStartCol(j+1)-1 |
| 461 |
+ |
atom1 = groupListCol(ja) |
| 462 |
+ |
|
| 463 |
+ |
me_j = atid_col(atom1) |
| 464 |
+ |
|
| 465 |
+ |
if (atypeMaxCutoff(me_j).gt.groupMaxCutoffCol(j)) then |
| 466 |
+ |
groupMaxCutoffCol(j)=atypeMaxCutoff(me_j) |
| 467 |
+ |
endif |
| 468 |
+ |
enddo |
| 469 |
+ |
|
| 470 |
+ |
if (nGroupTypesCol.eq.0) then |
| 471 |
+ |
nGroupTypesCol = nGroupTypesCol + 1 |
| 472 |
+ |
gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j) |
| 473 |
+ |
groupToGtypeCol(j) = nGroupTypesCol |
| 474 |
+ |
else |
| 475 |
+ |
GtypeFound = .false. |
| 476 |
+ |
do g = 1, nGroupTypesCol |
| 477 |
+ |
if ( abs(groupMaxCutoffCol(j) - gtypeMaxCutoffCol(g)).lt.tol) then |
| 478 |
+ |
groupToGtypeCol(j) = g |
| 479 |
+ |
GtypeFound = .true. |
| 480 |
+ |
endif |
| 481 |
+ |
enddo |
| 482 |
+ |
if (.not.GtypeFound) then |
| 483 |
+ |
nGroupTypesCol = nGroupTypesCol + 1 |
| 484 |
+ |
gtypeMaxCutoffCol(nGroupTypesCol) = groupMaxCutoffCol(j) |
| 485 |
+ |
groupToGtypeCol(j) = nGroupTypesCol |
| 486 |
+ |
endif |
| 487 |
+ |
endif |
| 488 |
+ |
enddo |
| 489 |
+ |
|
| 490 |
+ |
#else |
| 491 |
+ |
! Set pointers to information we just found |
| 492 |
+ |
nGroupTypesCol = nGroupTypesRow |
| 493 |
+ |
groupToGtypeCol => groupToGtypeRow |
| 494 |
+ |
gtypeMaxCutoffCol => gtypeMaxCutoffRow |
| 495 |
+ |
groupMaxCutoffCol => groupMaxCutoffRow |
| 496 |
+ |
#endif |
| 497 |
+ |
|
| 498 |
+ |
|
| 499 |
+ |
|
| 500 |
+ |
|
| 501 |
+ |
|
| 502 |
|
!! allocate the gtypeCutoffMap here. |
| 503 |
< |
allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes)) |
| 503 |
> |
allocate(gtypeCutoffMap(nGroupTypesRow,nGroupTypesCol)) |
| 504 |
|
!! then we do a double loop over all the group TYPES to find the cutoff |
| 505 |
|
!! map between groups of two types |
| 506 |
< |
|
| 507 |
< |
do i = 1, nGroupTypes |
| 508 |
< |
do j = 1, nGroupTypes |
| 506 |
> |
tradRcut = max(maxval(gtypeMaxCutoffRow),maxval(gtypeMaxCutoffCol)) |
| 507 |
> |
|
| 508 |
> |
do i = 1, nGroupTypesRow |
| 509 |
> |
do j = 1, nGroupTypesCol |
| 510 |
|
|
| 511 |
|
select case(cutoffPolicy) |
| 512 |
|
case(TRADITIONAL_CUTOFF_POLICY) |
| 513 |
< |
thisRcut = maxval(gtypeMaxCutoff) |
| 513 |
> |
thisRcut = tradRcut |
| 514 |
|
case(MIX_CUTOFF_POLICY) |
| 515 |
< |
thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j)) |
| 515 |
> |
thisRcut = 0.5_dp * (gtypeMaxCutoffRow(i) + gtypeMaxCutoffCol(j)) |
| 516 |
|
case(MAX_CUTOFF_POLICY) |
| 517 |
< |
thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j)) |
| 517 |
> |
thisRcut = max(gtypeMaxCutoffRow(i), gtypeMaxCutoffCol(j)) |
| 518 |
|
case default |
| 519 |
|
call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy") |
| 520 |
|
return |
| 522 |
|
gtypeCutoffMap(i,j)%rcut = thisRcut |
| 523 |
|
gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut |
| 524 |
|
skin = defaultRlist - defaultRcut |
| 525 |
+ |
listSkin = skin ! set neighbor list skin thickness |
| 526 |
|
gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2 |
| 527 |
|
|
| 528 |
+ |
! sanity check |
| 529 |
+ |
|
| 530 |
+ |
if (haveDefaultCutoffs) then |
| 531 |
+ |
if (abs(gtypeCutoffMap(i,j)%rcut - defaultRcut).gt.0.0001) then |
| 532 |
+ |
call handleError("createGtypeCutoffMap", "user-specified rCut does not match computed group Cutoff") |
| 533 |
+ |
endif |
| 534 |
+ |
endif |
| 535 |
|
enddo |
| 536 |
|
enddo |
| 537 |
+ |
if(allocated(gtypeMaxCutoffRow)) deallocate(gtypeMaxCutoffRow) |
| 538 |
+ |
if(allocated(groupMaxCutoffRow)) deallocate(groupMaxCutoffRow) |
| 539 |
+ |
if(allocated(atypeMaxCutoff)) deallocate(atypeMaxCutoff) |
| 540 |
+ |
#ifdef IS_MPI |
| 541 |
+ |
if(associated(groupMaxCutoffCol)) deallocate(groupMaxCutoffCol) |
| 542 |
+ |
if(associated(gtypeMaxCutoffCol)) deallocate(gtypeMaxCutoffCol) |
| 543 |
+ |
#endif |
| 544 |
+ |
groupMaxCutoffCol => null() |
| 545 |
+ |
gtypeMaxCutoffCol => null() |
| 546 |
|
|
| 547 |
|
haveGtypeCutoffMap = .true. |
| 548 |
|
end subroutine createGtypeCutoffMap |
| 555 |
|
defaultRsw = defRsw |
| 556 |
|
defaultRlist = defRlist |
| 557 |
|
cutoffPolicy = cutPolicy |
| 558 |
< |
rcuti = 1.0_dp / defaultRcut |
| 558 |
> |
|
| 559 |
> |
haveDefaultCutoffs = .true. |
| 560 |
|
end subroutine setDefaultCutoffs |
| 561 |
|
|
| 562 |
|
subroutine setCutoffPolicy(cutPolicy) |
| 573 |
|
SIM_requires_postpair_calc = SimRequiresPostpairCalc() |
| 574 |
|
SIM_requires_prepair_calc = SimRequiresPrepairCalc() |
| 575 |
|
SIM_uses_PBC = SimUsesPBC() |
| 442 |
– |
SIM_uses_RF = SimUsesRF() |
| 576 |
|
|
| 577 |
|
haveSIMvariables = .true. |
| 578 |
|
|
| 639 |
|
end subroutine doReadyCheck |
| 640 |
|
|
| 641 |
|
|
| 642 |
< |
subroutine init_FF(use_RF, correctionMethod, dampingAlpha, thisStat) |
| 642 |
> |
subroutine init_FF(thisESM, thisStat) |
| 643 |
|
|
| 644 |
< |
logical, intent(in) :: use_RF |
| 512 |
< |
integer, intent(in) :: correctionMethod |
| 513 |
< |
real(kind=dp), intent(in) :: dampingAlpha |
| 644 |
> |
integer, intent(in) :: thisESM |
| 645 |
|
integer, intent(out) :: thisStat |
| 646 |
|
integer :: my_status, nMatches |
| 647 |
|
integer, pointer :: MatchList(:) => null() |
| 650 |
|
!! assume things are copacetic, unless they aren't |
| 651 |
|
thisStat = 0 |
| 652 |
|
|
| 653 |
< |
!! Fortran's version of a cast: |
| 523 |
< |
FF_uses_RF = use_RF |
| 653 |
> |
electrostaticSummationMethod = thisESM |
| 654 |
|
|
| 525 |
– |
|
| 655 |
|
!! init_FF is called *after* all of the atom types have been |
| 656 |
|
!! defined in atype_module using the new_atype subroutine. |
| 657 |
|
!! |
| 681 |
|
|
| 682 |
|
haveSaneForceField = .true. |
| 683 |
|
|
| 684 |
< |
!! check to make sure the FF_uses_RF setting makes sense |
| 684 |
> |
!! check to make sure the reaction field setting makes sense |
| 685 |
|
|
| 686 |
|
if (FF_uses_Dipoles) then |
| 687 |
< |
if (FF_uses_RF) then |
| 687 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
| 688 |
|
dielect = getDielect() |
| 689 |
|
call initialize_rf(dielect) |
| 690 |
|
endif |
| 691 |
|
else |
| 692 |
< |
if ((corrMethod == 3) .or. FF_uses_RF) then |
| 692 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
| 693 |
|
write(default_error,*) 'Using Reaction Field with no dipoles? Huh?' |
| 694 |
|
thisStat = -1 |
| 695 |
|
haveSaneForceField = .false. |
| 749 |
|
|
| 750 |
|
!! Stress Tensor |
| 751 |
|
real( kind = dp), dimension(9) :: tau |
| 752 |
< |
real ( kind = dp ) :: pot |
| 752 |
> |
real ( kind = dp ),dimension(POT_ARRAY_SIZE) :: pot |
| 753 |
|
logical ( kind = 2) :: do_pot_c, do_stress_c |
| 754 |
|
logical :: do_pot |
| 755 |
|
logical :: do_stress |
| 756 |
|
logical :: in_switching_region |
| 757 |
|
#ifdef IS_MPI |
| 758 |
< |
real( kind = DP ) :: pot_local |
| 758 |
> |
real( kind = DP ), dimension(POT_ARRAY_SIZE) :: pot_local |
| 759 |
|
integer :: nAtomsInRow |
| 760 |
|
integer :: nAtomsInCol |
| 761 |
|
integer :: nprocs |
| 780 |
|
integer :: propPack_i, propPack_j |
| 781 |
|
integer :: loopStart, loopEnd, loop |
| 782 |
|
integer :: iHash |
| 783 |
< |
real(kind=dp) :: listSkin = 1.0 |
| 783 |
> |
|
| 784 |
|
|
| 785 |
|
!! initialize local variables |
| 786 |
|
|
| 905 |
|
me_j = atid(j) |
| 906 |
|
call get_interatomic_vector(q_group(:,i), & |
| 907 |
|
q_group(:,j), d_grp, rgrpsq) |
| 908 |
< |
#endif |
| 908 |
> |
#endif |
| 909 |
|
|
| 910 |
< |
if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then |
| 910 |
> |
if (rgrpsq < gtypeCutoffMap(groupToGtypeRow(i),groupToGtypeCol(j))%rListsq) then |
| 911 |
|
if (update_nlist) then |
| 912 |
|
nlist = nlist + 1 |
| 913 |
|
|
| 1028 |
|
endif |
| 1029 |
|
end if |
| 1030 |
|
enddo |
| 1031 |
+ |
|
| 1032 |
|
enddo outer |
| 1033 |
|
|
| 1034 |
|
if (update_nlist) then |
| 1108 |
|
|
| 1109 |
|
if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then |
| 1110 |
|
|
| 1111 |
< |
if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then |
| 1111 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
| 1112 |
|
|
| 1113 |
|
#ifdef IS_MPI |
| 1114 |
|
call scatter(rf_Row,rf,plan_atom_row_3d) |
| 1139 |
|
!! potential and torques: |
| 1140 |
|
call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot) |
| 1141 |
|
#ifdef IS_MPI |
| 1142 |
< |
pot_local = pot_local + rfpot |
| 1142 |
> |
pot_local(RF_POT) = pot_local(RF_POT) + rfpot |
| 1143 |
|
#else |
| 1144 |
< |
pot = pot + rfpot |
| 1144 |
> |
pot(RF_POT) = pot(RF_POT) + rfpot |
| 1145 |
|
|
| 1146 |
|
#endif |
| 1147 |
|
endif |
| 1153 |
|
#ifdef IS_MPI |
| 1154 |
|
|
| 1155 |
|
if (do_pot) then |
| 1156 |
< |
pot = pot + pot_local |
| 1156 |
> |
pot(1:SIZE_POT_ARRAY) = pot(1:SIZE_POT_ARRAY) & |
| 1157 |
> |
+ pot_local(1:SIZE_POT_ARRAY) |
| 1158 |
|
!! we assume the c code will do the allreduce to get the total potential |
| 1159 |
|
!! we could do it right here if we needed to... |
| 1160 |
|
endif |
| 1180 |
|
subroutine do_pair(i, j, rijsq, d, sw, do_pot, & |
| 1181 |
|
eFrame, A, f, t, pot, vpair, fpair) |
| 1182 |
|
|
| 1183 |
< |
real( kind = dp ) :: pot, vpair, sw |
| 1183 |
> |
real( kind = dp ) :: vpair, sw |
| 1184 |
> |
real( kind = dp ), dimension(POT_ARRAY_SIZE) :: pot |
| 1185 |
|
real( kind = dp ), dimension(3) :: fpair |
| 1186 |
|
real( kind = dp ), dimension(nLocal) :: mfact |
| 1187 |
|
real( kind = dp ), dimension(9,nLocal) :: eFrame |
| 1213 |
|
iHash = InteractionHash(me_i, me_j) |
| 1214 |
|
|
| 1215 |
|
if ( iand(iHash, LJ_PAIR).ne.0 ) then |
| 1216 |
< |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot) |
| 1216 |
> |
call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot(LJ_POT), f, do_pot) |
| 1217 |
|
endif |
| 1218 |
|
|
| 1219 |
|
if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then |
| 1220 |
|
call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1221 |
< |
pot, eFrame, f, t, do_pot, corrMethod, rcuti) |
| 1221 |
> |
pot(ELECTROSTATIC_POT), eFrame, f, t, do_pot) |
| 1222 |
|
|
| 1223 |
< |
if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then |
| 1223 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) then |
| 1224 |
|
|
| 1225 |
|
! CHECK ME (RF needs to know about all electrostatic types) |
| 1226 |
|
call accumulate_rf(i, j, r, eFrame, sw) |
| 1231 |
|
|
| 1232 |
|
if ( iand(iHash, STICKY_PAIR).ne.0 ) then |
| 1233 |
|
call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1234 |
< |
pot, A, f, t, do_pot) |
| 1234 |
> |
pot(STICKY_POT), A, f, t, do_pot) |
| 1235 |
|
endif |
| 1236 |
|
|
| 1237 |
|
if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then |
| 1238 |
|
call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1239 |
< |
pot, A, f, t, do_pot) |
| 1239 |
> |
pot(STICKYPOWER_POT), A, f, t, do_pot) |
| 1240 |
|
endif |
| 1241 |
|
|
| 1242 |
|
if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then |
| 1243 |
|
call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1244 |
< |
pot, A, f, t, do_pot) |
| 1244 |
> |
pot(GAYBERNE_POT), A, f, t, do_pot) |
| 1245 |
|
endif |
| 1246 |
|
|
| 1247 |
|
if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then |
| 1248 |
|
! call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1249 |
< |
! pot, A, f, t, do_pot) |
| 1249 |
> |
! pot(GAYBERNE_LJ_POT), A, f, t, do_pot) |
| 1250 |
|
endif |
| 1251 |
|
|
| 1252 |
|
if ( iand(iHash, EAM_PAIR).ne.0 ) then |
| 1253 |
< |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, & |
| 1253 |
> |
call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot(EAM_POT), f, & |
| 1254 |
|
do_pot) |
| 1255 |
|
endif |
| 1256 |
|
|
| 1257 |
|
if ( iand(iHash, SHAPE_PAIR).ne.0 ) then |
| 1258 |
|
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1259 |
< |
pot, A, f, t, do_pot) |
| 1259 |
> |
pot(SHAPE_POT), A, f, t, do_pot) |
| 1260 |
|
endif |
| 1261 |
|
|
| 1262 |
|
if ( iand(iHash, SHAPE_LJ).ne.0 ) then |
| 1263 |
|
call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, & |
| 1264 |
< |
pot, A, f, t, do_pot) |
| 1264 |
> |
pot(SHAPE_LJ_POT), A, f, t, do_pot) |
| 1265 |
|
endif |
| 1266 |
|
|
| 1267 |
|
end subroutine do_pair |
| 1269 |
|
subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, & |
| 1270 |
|
do_pot, do_stress, eFrame, A, f, t, pot) |
| 1271 |
|
|
| 1272 |
< |
real( kind = dp ) :: pot, sw |
| 1272 |
> |
real( kind = dp ) :: sw |
| 1273 |
> |
real( kind = dp ), dimension(POT_ARRAY_SIZE) :: pot |
| 1274 |
|
real( kind = dp ), dimension(9,nLocal) :: eFrame |
| 1275 |
|
real (kind=dp), dimension(9,nLocal) :: A |
| 1276 |
|
real (kind=dp), dimension(3,nLocal) :: f |
| 1305 |
|
|
| 1306 |
|
subroutine do_preforce(nlocal,pot) |
| 1307 |
|
integer :: nlocal |
| 1308 |
< |
real( kind = dp ) :: pot |
| 1308 |
> |
real( kind = dp ),dimension(POT_ARRAY_SIZE) :: pot |
| 1309 |
|
|
| 1310 |
|
if (FF_uses_EAM .and. SIM_uses_EAM) then |
| 1311 |
< |
call calc_EAM_preforce_Frho(nlocal,pot) |
| 1311 |
> |
call calc_EAM_preforce_Frho(nlocal,pot(EAM_POT)) |
| 1312 |
|
endif |
| 1313 |
|
|
| 1314 |
|
|
| 1503 |
|
|
| 1504 |
|
function FF_RequiresPostpairCalc() result(doesit) |
| 1505 |
|
logical :: doesit |
| 1506 |
< |
doesit = FF_uses_RF |
| 1374 |
< |
if (corrMethod == 3) doesit = .true. |
| 1506 |
> |
if (electrostaticSummationMethod == REACTION_FIELD) doesit = .true. |
| 1507 |
|
end function FF_RequiresPostpairCalc |
| 1508 |
|
|
| 1509 |
|
#ifdef PROFILE |
