4 |
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5 |
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!! @author Charles F. Vardeman II |
6 |
|
!! @author Matthew Meineke |
7 |
< |
!! @version $Id: do_Forces.F90,v 1.49 2004-04-15 16:18:26 tim Exp $, $Date: 2004-04-15 16:18:26 $, $Name: not supported by cvs2svn $, $Revision: 1.49 $ |
7 |
> |
!! @version $Id: do_Forces.F90,v 1.53 2004-05-01 18:52:38 tim Exp $, $Date: 2004-05-01 18:52:38 $, $Name: not supported by cvs2svn $, $Revision: 1.53 $ |
8 |
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9 |
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module do_Forces |
10 |
|
use force_globals |
55 |
|
logical, save :: SIM_requires_prepair_calc |
56 |
|
logical, save :: SIM_uses_directional_atoms |
57 |
|
logical, save :: SIM_uses_PBC |
58 |
+ |
logical, save :: SIM_uses_molecular_cutoffs |
59 |
|
|
60 |
|
real(kind=dp), save :: rlist, rlistsq |
61 |
|
|
161 |
|
SIM_requires_prepair_calc = SimRequiresPrepairCalc() |
162 |
|
SIM_uses_directional_atoms = SimUsesDirectionalAtoms() |
163 |
|
SIM_uses_PBC = SimUsesPBC() |
164 |
+ |
!SIM_uses_molecular_cutoffs = SimUsesMolecularCutoffs() |
165 |
|
|
166 |
|
haveSIMvariables = .true. |
167 |
|
|
279 |
|
|
280 |
|
!! Assume sanity (for the sake of argument) |
281 |
|
haveSaneForceField = .true. |
282 |
+ |
!! |
283 |
+ |
if (FF_uses_charges) then |
284 |
+ |
dielect = getDielect() |
285 |
+ |
call initialize_charge(dielect) |
286 |
+ |
endif |
287 |
|
|
288 |
+ |
|
289 |
|
!! check to make sure the FF_uses_RF setting makes sense |
290 |
|
|
291 |
|
if (FF_uses_dipoles) then |
370 |
|
|
371 |
|
!! Does force loop over i,j pairs. Calls do_pair to calculates forces. |
372 |
|
!-------------------------------------------------------------> |
373 |
< |
subroutine do_force_loop(q, A, u_l, f, t, tau, pot, do_pot_c, do_stress_c, & |
374 |
< |
error) |
373 |
> |
subroutine do_force_loop(q, qcom, A, u_l, f, t, tau, pot, & |
374 |
> |
do_pot_c, do_stress_c, error) |
375 |
|
!! Position array provided by C, dimensioned by getNlocal |
376 |
|
real ( kind = dp ), dimension(3,nLocal) :: q |
377 |
+ |
!! molecular center-of-mass position array |
378 |
+ |
real ( kind = dp ), dimension(3,nLocal) :: qcom |
379 |
|
!! Rotation Matrix for each long range particle in simulation. |
380 |
|
real( kind = dp), dimension(9,nLocal) :: A |
381 |
|
!! Unit vectors for dipoles (lab frame) |
401 |
|
logical :: update_nlist |
402 |
|
integer :: i, j, jbeg, jend, jnab |
403 |
|
integer :: nlist |
404 |
< |
real( kind = DP ) :: rijsq |
405 |
< |
real(kind=dp),dimension(3) :: d |
404 |
> |
real( kind = DP ) :: rijsq, rcijsq |
405 |
> |
real(kind=dp),dimension(3) :: d, dc |
406 |
|
real(kind=dp) :: rfpot, mu_i, virial |
407 |
|
integer :: me_i, me_j |
408 |
|
logical :: is_dp_i |
412 |
|
integer :: propPack_i, propPack_j |
413 |
|
|
414 |
|
real(kind=dp) :: listSkin = 1.0 |
415 |
< |
|
415 |
> |
|
416 |
|
!! initialize local variables |
417 |
< |
|
417 |
> |
|
418 |
|
#ifdef IS_MPI |
419 |
|
pot_local = 0.0_dp |
420 |
|
nrow = getNrow(plan_row) |
422 |
|
#else |
423 |
|
natoms = nlocal |
424 |
|
#endif |
425 |
< |
|
425 |
> |
|
426 |
|
call doReadyCheck(localError) |
427 |
|
if ( localError .ne. 0 ) then |
428 |
|
call handleError("do_force_loop", "Not Initialized") |
430 |
|
return |
431 |
|
end if |
432 |
|
call zero_work_arrays() |
433 |
< |
|
433 |
> |
|
434 |
|
do_pot = do_pot_c |
435 |
|
do_stress = do_stress_c |
436 |
< |
|
436 |
> |
|
437 |
|
! Gather all information needed by all force loops: |
438 |
|
|
439 |
|
#ifdef IS_MPI |
440 |
< |
|
440 |
> |
|
441 |
|
call gather(q,q_Row,plan_row3d) |
442 |
|
call gather(q,q_Col,plan_col3d) |
443 |
< |
|
443 |
> |
|
444 |
> |
if (SIM_uses_molecular_cutoffs) then |
445 |
> |
call gather(qcom,qcom_Row,plan_row3d) |
446 |
> |
call gather(qcom,qcom_Col,plan_col3d) |
447 |
> |
endif |
448 |
> |
|
449 |
|
if (FF_UsesDirectionalAtoms() .and. SIM_uses_directional_atoms) then |
450 |
|
call gather(u_l,u_l_Row,plan_row3d) |
451 |
|
call gather(u_l,u_l_Col,plan_col3d) |
455 |
|
endif |
456 |
|
|
457 |
|
#endif |
458 |
< |
|
459 |
< |
!! Begin force loop timing: |
458 |
> |
|
459 |
> |
!! Begin force loop timing: |
460 |
|
#ifdef PROFILE |
461 |
|
call cpu_time(forceTimeInitial) |
462 |
|
nloops = nloops + 1 |
463 |
|
#endif |
464 |
< |
|
464 |
> |
|
465 |
|
if (FF_RequiresPrepairCalc() .and. SIM_requires_prepair_calc) then |
466 |
|
!! See if we need to update neighbor lists |
467 |
< |
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
467 |
> |
if (SIM_uses_molecular_cutoffs) then |
468 |
> |
call checkNeighborList(nlocal, qcom, listSkin, update_nlist) |
469 |
> |
else |
470 |
> |
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
471 |
> |
endif |
472 |
|
!! if_mpi_gather_stuff_for_prepair |
473 |
|
!! do_prepair_loop_if_needed |
474 |
|
!! if_mpi_scatter_stuff_from_prepair |
475 |
|
!! if_mpi_gather_stuff_from_prepair_to_main_loop |
476 |
< |
|
477 |
< |
!--------------------PREFORCE LOOP----------->>>>>>>>>>>>>>>>>>>>>>>>>>> |
476 |
> |
|
477 |
> |
!--------------------PREFORCE LOOP----------->>>>>>>>>>>>>>>>>>>>>>>>>>> |
478 |
|
#ifdef IS_MPI |
460 |
– |
|
461 |
– |
if (update_nlist) then |
479 |
|
|
480 |
< |
!! save current configuration, construct neighbor list, |
464 |
< |
!! and calculate forces |
465 |
< |
call saveNeighborList(nlocal, q) |
466 |
< |
|
467 |
< |
neighborListSize = size(list) |
468 |
< |
nlist = 0 |
469 |
< |
|
470 |
< |
do i = 1, nrow |
471 |
< |
point(i) = nlist + 1 |
480 |
> |
if (update_nlist) then |
481 |
|
|
482 |
< |
prepair_inner: do j = 1, ncol |
482 |
> |
!! save current configuration, construct neighbor list, |
483 |
> |
!! and calculate forces |
484 |
> |
if (SIM_uses_molecular_cutoffs) then |
485 |
> |
call saveNeighborList(nlocal, qcom) |
486 |
> |
else |
487 |
> |
call saveNeighborList(nlocal, q) |
488 |
> |
endif |
489 |
> |
|
490 |
> |
neighborListSize = size(list) |
491 |
> |
nlist = 0 |
492 |
> |
|
493 |
> |
do i = 1, nrow |
494 |
> |
point(i) = nlist + 1 |
495 |
|
|
496 |
< |
if (skipThisPair(i,j)) cycle prepair_inner |
476 |
< |
|
477 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
478 |
< |
|
479 |
< |
if (rijsq < rlistsq) then |
496 |
> |
prepair_inner: do j = 1, ncol |
497 |
|
|
498 |
< |
nlist = nlist + 1 |
498 |
> |
if (skipThisPair(i,j)) cycle prepair_inner |
499 |
|
|
500 |
< |
if (nlist > neighborListSize) then |
501 |
< |
call expandNeighborList(nlocal, listerror) |
502 |
< |
if (listerror /= 0) then |
503 |
< |
error = -1 |
504 |
< |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
505 |
< |
return |
489 |
< |
end if |
490 |
< |
neighborListSize = size(list) |
500 |
> |
if (SIM_uses_molecular_cutoffs) then |
501 |
> |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
502 |
> |
dc, rcijsq) |
503 |
> |
else |
504 |
> |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
505 |
> |
dc, rcijsq) |
506 |
|
endif |
507 |
|
|
508 |
< |
list(nlist) = j |
509 |
< |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot_local) |
510 |
< |
endif |
511 |
< |
enddo prepair_inner |
512 |
< |
enddo |
513 |
< |
|
514 |
< |
point(nrow + 1) = nlist + 1 |
515 |
< |
|
516 |
< |
else !! (of update_check) |
517 |
< |
|
518 |
< |
! use the list to find the neighbors |
519 |
< |
do i = 1, nrow |
520 |
< |
JBEG = POINT(i) |
521 |
< |
JEND = POINT(i+1) - 1 |
522 |
< |
! check thiat molecule i has neighbors |
523 |
< |
if (jbeg .le. jend) then |
524 |
< |
|
525 |
< |
do jnab = jbeg, jend |
526 |
< |
j = list(jnab) |
527 |
< |
|
528 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
529 |
< |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
530 |
< |
u_l, A, f, t, pot_local) |
531 |
< |
|
532 |
< |
enddo |
533 |
< |
endif |
534 |
< |
enddo |
535 |
< |
endif |
536 |
< |
|
508 |
> |
if (rcijsq < rlistsq) then |
509 |
> |
|
510 |
> |
nlist = nlist + 1 |
511 |
> |
|
512 |
> |
if (nlist > neighborListSize) then |
513 |
> |
call expandNeighborList(nlocal, listerror) |
514 |
> |
if (listerror /= 0) then |
515 |
> |
error = -1 |
516 |
> |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
517 |
> |
return |
518 |
> |
end if |
519 |
> |
neighborListSize = size(list) |
520 |
> |
endif |
521 |
> |
|
522 |
> |
list(nlist) = j |
523 |
> |
|
524 |
> |
if (SIM_uses_molecular_cutoffs) then |
525 |
> |
! since the simulation distances were in molecular COMs: |
526 |
> |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
527 |
> |
d, rijsq) |
528 |
> |
else |
529 |
> |
d(1:3) = dc(1:3) |
530 |
> |
rijsq = rcijsq |
531 |
> |
endif |
532 |
> |
|
533 |
> |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
534 |
> |
do_pot, do_stress, u_l, A, f, t, pot_local) |
535 |
> |
endif |
536 |
> |
enddo prepair_inner |
537 |
> |
enddo |
538 |
> |
|
539 |
> |
point(nrow + 1) = nlist + 1 |
540 |
> |
|
541 |
> |
else !! (of update_check) |
542 |
> |
|
543 |
> |
! use the list to find the neighbors |
544 |
> |
do i = 1, nrow |
545 |
> |
JBEG = POINT(i) |
546 |
> |
JEND = POINT(i+1) - 1 |
547 |
> |
! check thiat molecule i has neighbors |
548 |
> |
if (jbeg .le. jend) then |
549 |
> |
|
550 |
> |
do jnab = jbeg, jend |
551 |
> |
j = list(jnab) |
552 |
> |
|
553 |
> |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
554 |
> |
d, rijsq) |
555 |
> |
if (SIM_uses_molecular_cutoffs) then |
556 |
> |
call get_interatomic_vector(qcom_Row(:,i),qcom_Col(:,j),& |
557 |
> |
dc, rcijsq) |
558 |
> |
else |
559 |
> |
dc(1:3) = d(1:3) |
560 |
> |
rcijsq = rijsq |
561 |
> |
endif |
562 |
> |
|
563 |
> |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
564 |
> |
do_pot, do_stress, u_l, A, f, t, pot_local) |
565 |
> |
|
566 |
> |
enddo |
567 |
> |
endif |
568 |
> |
enddo |
569 |
> |
endif |
570 |
> |
|
571 |
|
#else |
523 |
– |
|
524 |
– |
if (update_nlist) then |
572 |
|
|
573 |
< |
! save current configuration, contruct neighbor list, |
527 |
< |
! and calculate forces |
528 |
< |
call saveNeighborList(natoms, q) |
529 |
< |
|
530 |
< |
neighborListSize = size(list) |
531 |
< |
|
532 |
< |
nlist = 0 |
533 |
< |
|
534 |
< |
do i = 1, natoms-1 |
535 |
< |
point(i) = nlist + 1 |
573 |
> |
if (update_nlist) then |
574 |
|
|
575 |
< |
prepair_inner: do j = i+1, natoms |
575 |
> |
! save current configuration, contruct neighbor list, |
576 |
> |
! and calculate forces |
577 |
> |
call saveNeighborList(natoms, q) |
578 |
> |
|
579 |
> |
neighborListSize = size(list) |
580 |
> |
|
581 |
> |
nlist = 0 |
582 |
> |
|
583 |
> |
do i = 1, natoms-1 |
584 |
> |
point(i) = nlist + 1 |
585 |
|
|
586 |
< |
if (skipThisPair(i,j)) cycle prepair_inner |
540 |
< |
|
541 |
< |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
542 |
< |
|
543 |
< |
|
544 |
< |
if (rijsq < rlistsq) then |
545 |
< |
|
546 |
< |
|
547 |
< |
nlist = nlist + 1 |
548 |
< |
|
549 |
< |
if (nlist > neighborListSize) then |
550 |
< |
call expandNeighborList(natoms, listerror) |
551 |
< |
if (listerror /= 0) then |
552 |
< |
error = -1 |
553 |
< |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
554 |
< |
return |
555 |
< |
end if |
556 |
< |
neighborListSize = size(list) |
557 |
< |
endif |
586 |
> |
prepair_inner: do j = i+1, natoms |
587 |
|
|
588 |
< |
list(nlist) = j |
588 |
> |
if (skipThisPair(i,j)) cycle prepair_inner |
589 |
|
|
590 |
< |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
591 |
< |
u_l, A, f, t, pot) |
590 |
> |
if (SIM_uses_molecular_cutoffs) then |
591 |
> |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
592 |
> |
dc, rcijsq) |
593 |
> |
else |
594 |
> |
call get_interatomic_vector(q(:,i), q(:,j), dc, rcijsq) |
595 |
> |
endif |
596 |
> |
|
597 |
> |
if (rcijsq < rlistsq) then |
598 |
> |
|
599 |
> |
nlist = nlist + 1 |
600 |
> |
|
601 |
> |
if (nlist > neighborListSize) then |
602 |
> |
call expandNeighborList(natoms, listerror) |
603 |
> |
if (listerror /= 0) then |
604 |
> |
error = -1 |
605 |
> |
write(DEFAULT_ERROR,*) "ERROR: nlist > list size and max allocations exceeded." |
606 |
> |
return |
607 |
> |
end if |
608 |
> |
neighborListSize = size(list) |
609 |
> |
endif |
610 |
> |
|
611 |
> |
list(nlist) = j |
612 |
> |
|
613 |
> |
|
614 |
> |
if (SIM_uses_molecular_cutoffs) then |
615 |
> |
! since the simulation distances were in molecular COMs: |
616 |
> |
call get_interatomic_vector(q(:,i), q(:,j), & |
617 |
> |
d, rijsq) |
618 |
> |
else |
619 |
> |
dc(1:3) = d(1:3) |
620 |
> |
rcijsq = rijsq |
621 |
> |
endif |
622 |
> |
|
623 |
> |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
624 |
> |
do_pot, do_stress, u_l, A, f, t, pot) |
625 |
> |
|
626 |
> |
endif |
627 |
> |
enddo prepair_inner |
628 |
> |
enddo |
629 |
> |
|
630 |
> |
point(natoms) = nlist + 1 |
631 |
> |
|
632 |
> |
else !! (update) |
633 |
> |
|
634 |
> |
! use the list to find the neighbors |
635 |
> |
do i = 1, natoms-1 |
636 |
> |
JBEG = POINT(i) |
637 |
> |
JEND = POINT(i+1) - 1 |
638 |
> |
! check thiat molecule i has neighbors |
639 |
> |
if (jbeg .le. jend) then |
640 |
|
|
641 |
+ |
do jnab = jbeg, jend |
642 |
+ |
j = list(jnab) |
643 |
+ |
|
644 |
+ |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
645 |
+ |
if (SIM_uses_molecular_cutoffs) then |
646 |
+ |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
647 |
+ |
dc, rcijsq) |
648 |
+ |
else |
649 |
+ |
dc(1:3) = d(1:3) |
650 |
+ |
rcijsq = rijsq |
651 |
+ |
endif |
652 |
+ |
|
653 |
+ |
call do_prepair(i, j, rijsq, d, rcijsq, dc, & |
654 |
+ |
do_pot, do_stress, u_l, A, f, t, pot) |
655 |
+ |
|
656 |
+ |
enddo |
657 |
|
endif |
658 |
< |
enddo prepair_inner |
659 |
< |
enddo |
567 |
< |
|
568 |
< |
point(natoms) = nlist + 1 |
569 |
< |
|
570 |
< |
else !! (update) |
571 |
< |
|
572 |
< |
! use the list to find the neighbors |
573 |
< |
do i = 1, natoms-1 |
574 |
< |
JBEG = POINT(i) |
575 |
< |
JEND = POINT(i+1) - 1 |
576 |
< |
! check thiat molecule i has neighbors |
577 |
< |
if (jbeg .le. jend) then |
578 |
< |
|
579 |
< |
do jnab = jbeg, jend |
580 |
< |
j = list(jnab) |
581 |
< |
|
582 |
< |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
583 |
< |
call do_prepair(i, j, rijsq, d, do_pot, do_stress, & |
584 |
< |
u_l, A, f, t, pot) |
585 |
< |
|
586 |
< |
enddo |
587 |
< |
endif |
588 |
< |
enddo |
589 |
< |
endif |
658 |
> |
enddo |
659 |
> |
endif |
660 |
|
#endif |
661 |
< |
!! Do rest of preforce calculations |
662 |
< |
!! do necessary preforce calculations |
663 |
< |
call do_preforce(nlocal,pot) |
664 |
< |
! we have already updated the neighbor list set it to false... |
665 |
< |
update_nlist = .false. |
661 |
> |
!! Do rest of preforce calculations |
662 |
> |
!! do necessary preforce calculations |
663 |
> |
call do_preforce(nlocal,pot) |
664 |
> |
! we have already updated the neighbor list set it to false... |
665 |
> |
update_nlist = .false. |
666 |
|
else |
667 |
|
!! See if we need to update neighbor lists for non pre-pair |
668 |
|
call checkNeighborList(nlocal, q, listSkin, update_nlist) |
669 |
|
endif |
670 |
< |
|
671 |
< |
|
672 |
< |
|
603 |
< |
|
604 |
< |
|
605 |
< |
!---------------------------------MAIN Pair LOOP->>>>>>>>>>>>>>>>>>>>>>>>>>>> |
606 |
< |
|
607 |
< |
|
608 |
< |
|
609 |
< |
|
610 |
< |
|
670 |
> |
|
671 |
> |
!---------------------------------MAIN Pair LOOP->>>>>>>>>>>>> |
672 |
> |
|
673 |
|
#ifdef IS_MPI |
674 |
|
|
675 |
|
if (update_nlist) then |
681 |
|
nlist = 0 |
682 |
|
|
683 |
|
do i = 1, nrow |
684 |
< |
|
684 |
> |
|
685 |
|
point(i) = nlist + 1 |
686 |
|
|
687 |
|
inner: do j = 1, ncol |
688 |
|
|
689 |
|
if (skipThisPair(i,j)) cycle inner |
690 |
|
|
691 |
< |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
691 |
> |
if (SIM_uses_molecular_cutoffs) then |
692 |
> |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
693 |
> |
dc, rcijsq) |
694 |
> |
else |
695 |
> |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
696 |
> |
dc, rcijsq) |
697 |
> |
endif |
698 |
|
|
699 |
< |
if (rijsq < rlistsq) then |
699 |
> |
if (rcijsq < rlistsq) then |
700 |
|
|
701 |
|
nlist = nlist + 1 |
702 |
|
|
711 |
|
endif |
712 |
|
|
713 |
|
list(nlist) = j |
646 |
– |
|
647 |
– |
call do_pair(i, j, rijsq, d, do_pot, do_stress, & |
648 |
– |
u_l, A, f, t, pot_local) |
714 |
|
|
715 |
+ |
if (SIM_uses_molecular_cutoffs) then |
716 |
+ |
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), & |
717 |
+ |
d, rijsq) |
718 |
+ |
else |
719 |
+ |
d(1:3) = dc(1:3) |
720 |
+ |
rijsq = rcijsq |
721 |
+ |
endif |
722 |
+ |
|
723 |
+ |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
724 |
+ |
do_pot, do_stress, u_l, A, f, t, pot_local) |
725 |
+ |
|
726 |
|
endif |
727 |
|
enddo inner |
728 |
|
enddo |
729 |
< |
|
729 |
> |
|
730 |
|
point(nrow + 1) = nlist + 1 |
731 |
|
|
732 |
|
else !! (of update_check) |
733 |
< |
|
733 |
> |
|
734 |
|
! use the list to find the neighbors |
735 |
|
do i = 1, nrow |
736 |
|
JBEG = POINT(i) |
740 |
|
|
741 |
|
do jnab = jbeg, jend |
742 |
|
j = list(jnab) |
743 |
< |
|
743 |
> |
|
744 |
|
call get_interatomic_vector(q_Row(:,i), q_Col(:,j), d, rijsq) |
745 |
< |
call do_pair(i, j, rijsq, d, do_pot, do_stress, & |
746 |
< |
u_l, A, f, t, pot_local) |
747 |
< |
|
745 |
> |
if (SIM_uses_molecular_cutoffs) then |
746 |
> |
call get_interatomic_vector(qcom_Row(:,i), qcom_Col(:,j), & |
747 |
> |
dc, rcijsq) |
748 |
> |
else |
749 |
> |
dc(1:3) = d(1:3) |
750 |
> |
rcijsq = rijsq |
751 |
> |
endif |
752 |
> |
|
753 |
> |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
754 |
> |
do_pot, do_stress, u_l, A, f, t, pot_local) |
755 |
> |
|
756 |
|
enddo |
757 |
|
endif |
758 |
|
enddo |
761 |
|
#else |
762 |
|
|
763 |
|
if (update_nlist) then |
764 |
< |
|
764 |
> |
|
765 |
|
! save current configuration, contruct neighbor list, |
766 |
|
! and calculate forces |
767 |
|
call saveNeighborList(natoms, q) |
768 |
|
|
769 |
|
neighborListSize = size(list) |
770 |
< |
|
770 |
> |
|
771 |
|
nlist = 0 |
772 |
|
|
773 |
|
do i = 1, natoms-1 |
776 |
|
inner: do j = i+1, natoms |
777 |
|
|
778 |
|
if (skipThisPair(i,j)) cycle inner |
779 |
< |
|
780 |
< |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
781 |
< |
|
782 |
< |
|
783 |
< |
if (rijsq < rlistsq) then |
779 |
> |
|
780 |
> |
if (SIM_uses_molecular_cutoffs) then |
781 |
> |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
782 |
> |
dc, rcijsq) |
783 |
> |
else |
784 |
> |
call get_interatomic_vector(q(:,i), q(:,j), & |
785 |
> |
dc, rcijsq) |
786 |
> |
endif |
787 |
> |
|
788 |
> |
if (rcijsq < rlistsq) then |
789 |
|
|
790 |
|
nlist = nlist + 1 |
791 |
< |
|
791 |
> |
|
792 |
|
if (nlist > neighborListSize) then |
793 |
|
call expandNeighborList(natoms, listerror) |
794 |
|
if (listerror /= 0) then |
801 |
|
|
802 |
|
list(nlist) = j |
803 |
|
|
804 |
< |
call do_pair(i, j, rijsq, d, do_pot, do_stress, & |
805 |
< |
u_l, A, f, t, pot) |
804 |
> |
if (SIM_uses_molecular_cutoffs) then |
805 |
> |
call get_interatomic_vector(q(:,i), q(:,j), & |
806 |
> |
d, rijsq) |
807 |
> |
else |
808 |
> |
d(1:3) = dc(1:3) |
809 |
> |
rijsq = rcijsq |
810 |
> |
endif |
811 |
|
|
812 |
+ |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
813 |
+ |
do_pot, do_stress, u_l, A, f, t, pot) |
814 |
+ |
|
815 |
|
endif |
816 |
|
enddo inner |
817 |
|
enddo |
830 |
|
do jnab = jbeg, jend |
831 |
|
j = list(jnab) |
832 |
|
|
736 |
– |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
737 |
– |
call do_pair(i, j, rijsq, d, do_pot, do_stress, & |
738 |
– |
u_l, A, f, t, pot) |
833 |
|
|
834 |
+ |
call get_interatomic_vector(q(:,i), q(:,j), d, rijsq) |
835 |
+ |
if (SIM_uses_molecular_cutoffs) then |
836 |
+ |
call get_interatomic_vector(qcom(:,i), qcom(:,j), & |
837 |
+ |
dc, rcijsq) |
838 |
+ |
else |
839 |
+ |
dc(1:3) = d(1:3) |
840 |
+ |
rcijsq = rijsq |
841 |
+ |
endif |
842 |
+ |
|
843 |
+ |
call do_pair(i, j, rijsq, d, rcijsq, dc, mfact, & |
844 |
+ |
do_pot, do_stress, u_l, A, f, t, pot) |
845 |
+ |
|
846 |
|
enddo |
847 |
|
endif |
848 |
|
enddo |
851 |
|
#endif |
852 |
|
|
853 |
|
! phew, done with main loop. |
854 |
< |
|
855 |
< |
!! Do timing |
854 |
> |
|
855 |
> |
!! Do timing |
856 |
|
#ifdef PROFILE |
857 |
|
call cpu_time(forceTimeFinal) |
858 |
|
forceTime = forceTime + forceTimeFinal - forceTimeInitial |
859 |
|
#endif |
860 |
< |
|
861 |
< |
|
860 |
> |
|
861 |
> |
|
862 |
|
#ifdef IS_MPI |
863 |
|
!!distribute forces |
864 |
< |
|
864 |
> |
|
865 |
|
f_temp = 0.0_dp |
866 |
|
call scatter(f_Row,f_temp,plan_row3d) |
867 |
|
do i = 1,nlocal |
868 |
|
f(1:3,i) = f(1:3,i) + f_temp(1:3,i) |
869 |
|
end do |
870 |
< |
|
870 |
> |
|
871 |
|
f_temp = 0.0_dp |
872 |
|
call scatter(f_Col,f_temp,plan_col3d) |
873 |
|
do i = 1,nlocal |
891 |
|
if (do_pot) then |
892 |
|
! scatter/gather pot_row into the members of my column |
893 |
|
call scatter(pot_Row, pot_Temp, plan_row) |
894 |
< |
|
894 |
> |
|
895 |
|
! scatter/gather pot_local into all other procs |
896 |
|
! add resultant to get total pot |
897 |
|
do i = 1, nlocal |
899 |
|
enddo |
900 |
|
|
901 |
|
pot_Temp = 0.0_DP |
902 |
< |
|
902 |
> |
|
903 |
|
call scatter(pot_Col, pot_Temp, plan_col) |
904 |
|
do i = 1, nlocal |
905 |
|
pot_local = pot_local + pot_Temp(i) |
906 |
|
enddo |
907 |
|
|
908 |
< |
endif |
908 |
> |
endif |
909 |
|
#endif |
910 |
< |
|
910 |
> |
|
911 |
|
if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then |
912 |
|
|
913 |
|
if (FF_uses_RF .and. SIM_uses_RF) then |
914 |
< |
|
914 |
> |
|
915 |
|
#ifdef IS_MPI |
916 |
|
call scatter(rf_Row,rf,plan_row3d) |
917 |
|
call scatter(rf_Col,rf_Temp,plan_col3d) |
921 |
|
#endif |
922 |
|
|
923 |
|
do i = 1, nLocal |
924 |
< |
|
924 |
> |
|
925 |
|
rfpot = 0.0_DP |
926 |
|
#ifdef IS_MPI |
927 |
|
me_i = atid_row(i) |
928 |
|
#else |
929 |
|
me_i = atid(i) |
930 |
|
#endif |
931 |
< |
|
931 |
> |
|
932 |
|
if (PropertyMap(me_i)%is_DP) then |
933 |
< |
|
933 |
> |
|
934 |
|
mu_i = PropertyMap(me_i)%dipole_moment |
935 |
< |
|
935 |
> |
|
936 |
|
!! The reaction field needs to include a self contribution |
937 |
|
!! to the field: |
938 |
|
call accumulate_self_rf(i, mu_i, u_l) |
949 |
|
enddo |
950 |
|
endif |
951 |
|
endif |
952 |
< |
|
953 |
< |
|
952 |
> |
|
953 |
> |
|
954 |
|
#ifdef IS_MPI |
955 |
< |
|
955 |
> |
|
956 |
|
if (do_pot) then |
957 |
|
pot = pot + pot_local |
958 |
|
!! we assume the c code will do the allreduce to get the total potential |
959 |
|
!! we could do it right here if we needed to... |
960 |
|
endif |
961 |
< |
|
961 |
> |
|
962 |
|
if (do_stress) then |
963 |
< |
call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, & |
963 |
> |
call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, & |
964 |
|
mpi_comm_world,mpi_err) |
965 |
|
call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, & |
966 |
|
mpi_comm_world,mpi_err) |
967 |
|
endif |
968 |
< |
|
968 |
> |
|
969 |
|
#else |
970 |
< |
|
970 |
> |
|
971 |
|
if (do_stress) then |
972 |
|
tau = tau_Temp |
973 |
|
virial = virial_Temp |
976 |
|
#endif |
977 |
|
|
978 |
|
|
873 |
– |
|
979 |
|
end subroutine do_force_loop |
980 |
+ |
|
981 |
+ |
subroutine do_pair(i, j, rijsq, d, rcijsq, dc, mfact, do_pot, do_stress, & |
982 |
+ |
u_l, A, f, t, pot) |
983 |
|
|
876 |
– |
subroutine do_pair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot) |
877 |
– |
|
984 |
|
real( kind = dp ) :: pot |
985 |
+ |
real( kind = dp ), dimension(nLocal) :: mfact |
986 |
|
real( kind = dp ), dimension(3,nLocal) :: u_l |
987 |
< |
real (kind=dp), dimension(9,nLocal) :: A |
988 |
< |
real (kind=dp), dimension(3,nLocal) :: f |
989 |
< |
real (kind=dp), dimension(3,nLocal) :: t |
987 |
> |
real( kind = dp ), dimension(9,nLocal) :: A |
988 |
> |
real( kind = dp ), dimension(3,nLocal) :: f |
989 |
> |
real( kind = dp ), dimension(3,nLocal) :: t |
990 |
|
|
991 |
|
logical, intent(inout) :: do_pot, do_stress |
992 |
|
integer, intent(in) :: i, j |
993 |
< |
real ( kind = dp ), intent(inout) :: rijsq |
994 |
< |
real ( kind = dp ) :: r |
995 |
< |
real ( kind = dp ), intent(inout) :: d(3) |
993 |
> |
real ( kind = dp ), intent(inout) :: rijsq, rcijsq |
994 |
> |
real ( kind = dp ) :: r, rc |
995 |
> |
real ( kind = dp ), intent(inout) :: d(3), dc(3) |
996 |
|
integer :: me_i, me_j |
997 |
|
|
998 |
|
r = sqrt(rijsq) |
999 |
+ |
if (SIM_uses_molecular_cutoffs) then |
1000 |
+ |
rc = sqrt(rcijsq) |
1001 |
+ |
else |
1002 |
+ |
rc = r |
1003 |
+ |
endif |
1004 |
|
|
1005 |
+ |
|
1006 |
|
#ifdef IS_MPI |
1007 |
|
if (tagRow(i) .eq. tagColumn(j)) then |
1008 |
|
write(0,*) 'do_pair is doing', i , j, tagRow(i), tagColumn(j) |
1025 |
|
if (FF_uses_charges .and. SIM_uses_charges) then |
1026 |
|
|
1027 |
|
if (PropertyMap(me_i)%is_Charge .and. PropertyMap(me_j)%is_Charge) then |
1028 |
< |
call do_charge_pair(i, j, d, r, rijsq, pot, f, do_pot, do_stress) |
1028 |
> |
call do_charge_pair(i, j, d, r, rijsq, dc, rc, rcijsq, mfact, & |
1029 |
> |
pot, f, do_pot, do_stress, SIM_uses_molecular_cutoffs) |
1030 |
|
endif |
1031 |
|
|
1032 |
|
endif |
1075 |
|
|
1076 |
|
|
1077 |
|
|
1078 |
< |
subroutine do_prepair(i, j, rijsq, d, do_pot, do_stress, u_l, A, f, t, pot) |
1078 |
> |
subroutine do_prepair(i, j, rijsq, d, rcijsq, dc, & |
1079 |
> |
do_pot, do_stress, u_l, A, f, t, pot) |
1080 |
|
real( kind = dp ) :: pot |
1081 |
|
real( kind = dp ), dimension(3,nLocal) :: u_l |
1082 |
|
real (kind=dp), dimension(9,nLocal) :: A |
1085 |
|
|
1086 |
|
logical, intent(inout) :: do_pot, do_stress |
1087 |
|
integer, intent(in) :: i, j |
1088 |
< |
real ( kind = dp ), intent(inout) :: rijsq |
1089 |
< |
real ( kind = dp ) :: r |
1090 |
< |
real ( kind = dp ), intent(inout) :: d(3) |
1088 |
> |
real ( kind = dp ), intent(inout) :: rijsq, rcijsq |
1089 |
> |
real ( kind = dp ) :: r, rc |
1090 |
> |
real ( kind = dp ), intent(inout) :: d(3), dc(3) |
1091 |
|
|
1092 |
|
logical :: is_EAM_i, is_EAM_j |
1093 |
|
|
1094 |
|
integer :: me_i, me_j |
1095 |
|
|
1096 |
< |
r = sqrt(rijsq) |
1096 |
> |
|
1097 |
> |
r = sqrt(rijsq) |
1098 |
> |
if (SIM_uses_molecular_cutoffs) then |
1099 |
> |
rc = sqrt(rcijsq) |
1100 |
> |
else |
1101 |
> |
rc = r |
1102 |
> |
endif |
1103 |
|
|
1104 |
|
|
1105 |
|
#ifdef IS_MPI |
1129 |
|
|
1130 |
|
|
1131 |
|
|
1132 |
< |
subroutine do_preforce(nlocal,pot) |
1133 |
< |
integer :: nlocal |
1134 |
< |
real( kind = dp ) :: pot |
1135 |
< |
|
1136 |
< |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1137 |
< |
call calc_EAM_preforce_Frho(nlocal,pot) |
1138 |
< |
endif |
1139 |
< |
|
1140 |
< |
|
1141 |
< |
end subroutine do_preforce |
1142 |
< |
|
1143 |
< |
|
1144 |
< |
subroutine get_interatomic_vector(q_i, q_j, d, r_sq) |
1145 |
< |
|
1146 |
< |
real (kind = dp), dimension(3) :: q_i |
1147 |
< |
real (kind = dp), dimension(3) :: q_j |
1148 |
< |
real ( kind = dp ), intent(out) :: r_sq |
1149 |
< |
real( kind = dp ) :: d(3), scaled(3) |
1150 |
< |
integer i |
1151 |
< |
|
1152 |
< |
d(1:3) = q_j(1:3) - q_i(1:3) |
1153 |
< |
|
1154 |
< |
! Wrap back into periodic box if necessary |
1155 |
< |
if ( SIM_uses_PBC ) then |
1035 |
< |
|
1036 |
< |
if( .not.boxIsOrthorhombic ) then |
1037 |
< |
! calc the scaled coordinates. |
1038 |
< |
|
1039 |
< |
scaled = matmul(HmatInv, d) |
1040 |
< |
|
1041 |
< |
! wrap the scaled coordinates |
1042 |
< |
|
1043 |
< |
scaled = scaled - anint(scaled) |
1044 |
< |
|
1045 |
< |
|
1046 |
< |
! calc the wrapped real coordinates from the wrapped scaled |
1047 |
< |
! coordinates |
1048 |
< |
|
1049 |
< |
d = matmul(Hmat,scaled) |
1050 |
< |
|
1051 |
< |
else |
1052 |
< |
! calc the scaled coordinates. |
1053 |
< |
|
1054 |
< |
do i = 1, 3 |
1055 |
< |
scaled(i) = d(i) * HmatInv(i,i) |
1056 |
< |
|
1057 |
< |
! wrap the scaled coordinates |
1058 |
< |
|
1059 |
< |
scaled(i) = scaled(i) - anint(scaled(i)) |
1060 |
< |
|
1061 |
< |
! calc the wrapped real coordinates from the wrapped scaled |
1062 |
< |
! coordinates |
1063 |
< |
|
1064 |
< |
d(i) = scaled(i)*Hmat(i,i) |
1065 |
< |
enddo |
1066 |
< |
endif |
1067 |
< |
|
1068 |
< |
endif |
1069 |
< |
|
1070 |
< |
r_sq = dot_product(d,d) |
1071 |
< |
|
1072 |
< |
end subroutine get_interatomic_vector |
1073 |
< |
|
1074 |
< |
subroutine zero_work_arrays() |
1075 |
< |
|
1076 |
< |
#ifdef IS_MPI |
1077 |
< |
|
1078 |
< |
q_Row = 0.0_dp |
1079 |
< |
q_Col = 0.0_dp |
1080 |
< |
|
1081 |
< |
u_l_Row = 0.0_dp |
1082 |
< |
u_l_Col = 0.0_dp |
1083 |
< |
|
1084 |
< |
A_Row = 0.0_dp |
1085 |
< |
A_Col = 0.0_dp |
1086 |
< |
|
1087 |
< |
f_Row = 0.0_dp |
1088 |
< |
f_Col = 0.0_dp |
1089 |
< |
f_Temp = 0.0_dp |
1132 |
> |
subroutine do_preforce(nlocal,pot) |
1133 |
> |
integer :: nlocal |
1134 |
> |
real( kind = dp ) :: pot |
1135 |
> |
|
1136 |
> |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1137 |
> |
call calc_EAM_preforce_Frho(nlocal,pot) |
1138 |
> |
endif |
1139 |
> |
|
1140 |
> |
|
1141 |
> |
end subroutine do_preforce |
1142 |
> |
|
1143 |
> |
|
1144 |
> |
subroutine get_interatomic_vector(q_i, q_j, d, r_sq) |
1145 |
> |
|
1146 |
> |
real (kind = dp), dimension(3) :: q_i |
1147 |
> |
real (kind = dp), dimension(3) :: q_j |
1148 |
> |
real ( kind = dp ), intent(out) :: r_sq |
1149 |
> |
real( kind = dp ) :: d(3), scaled(3) |
1150 |
> |
integer i |
1151 |
> |
|
1152 |
> |
d(1:3) = q_j(1:3) - q_i(1:3) |
1153 |
> |
|
1154 |
> |
! Wrap back into periodic box if necessary |
1155 |
> |
if ( SIM_uses_PBC ) then |
1156 |
|
|
1157 |
< |
t_Row = 0.0_dp |
1158 |
< |
t_Col = 0.0_dp |
1159 |
< |
t_Temp = 0.0_dp |
1157 |
> |
if( .not.boxIsOrthorhombic ) then |
1158 |
> |
! calc the scaled coordinates. |
1159 |
> |
|
1160 |
> |
scaled = matmul(HmatInv, d) |
1161 |
> |
|
1162 |
> |
! wrap the scaled coordinates |
1163 |
> |
|
1164 |
> |
scaled = scaled - anint(scaled) |
1165 |
> |
|
1166 |
> |
|
1167 |
> |
! calc the wrapped real coordinates from the wrapped scaled |
1168 |
> |
! coordinates |
1169 |
> |
|
1170 |
> |
d = matmul(Hmat,scaled) |
1171 |
> |
|
1172 |
> |
else |
1173 |
> |
! calc the scaled coordinates. |
1174 |
> |
|
1175 |
> |
do i = 1, 3 |
1176 |
> |
scaled(i) = d(i) * HmatInv(i,i) |
1177 |
> |
|
1178 |
> |
! wrap the scaled coordinates |
1179 |
> |
|
1180 |
> |
scaled(i) = scaled(i) - anint(scaled(i)) |
1181 |
> |
|
1182 |
> |
! calc the wrapped real coordinates from the wrapped scaled |
1183 |
> |
! coordinates |
1184 |
> |
|
1185 |
> |
d(i) = scaled(i)*Hmat(i,i) |
1186 |
> |
enddo |
1187 |
> |
endif |
1188 |
> |
|
1189 |
> |
endif |
1190 |
> |
|
1191 |
> |
r_sq = dot_product(d,d) |
1192 |
> |
|
1193 |
> |
end subroutine get_interatomic_vector |
1194 |
|
|
1195 |
< |
pot_Row = 0.0_dp |
1196 |
< |
pot_Col = 0.0_dp |
1197 |
< |
pot_Temp = 0.0_dp |
1195 |
> |
subroutine zero_work_arrays() |
1196 |
> |
|
1197 |
> |
#ifdef IS_MPI |
1198 |
> |
|
1199 |
> |
q_Row = 0.0_dp |
1200 |
> |
q_Col = 0.0_dp |
1201 |
|
|
1202 |
< |
rf_Row = 0.0_dp |
1203 |
< |
rf_Col = 0.0_dp |
1204 |
< |
rf_Temp = 0.0_dp |
1205 |
< |
|
1202 |
> |
qcom_Row = 0.0_dp |
1203 |
> |
qcom_Col = 0.0_dp |
1204 |
> |
|
1205 |
> |
u_l_Row = 0.0_dp |
1206 |
> |
u_l_Col = 0.0_dp |
1207 |
> |
|
1208 |
> |
A_Row = 0.0_dp |
1209 |
> |
A_Col = 0.0_dp |
1210 |
> |
|
1211 |
> |
f_Row = 0.0_dp |
1212 |
> |
f_Col = 0.0_dp |
1213 |
> |
f_Temp = 0.0_dp |
1214 |
> |
|
1215 |
> |
t_Row = 0.0_dp |
1216 |
> |
t_Col = 0.0_dp |
1217 |
> |
t_Temp = 0.0_dp |
1218 |
> |
|
1219 |
> |
pot_Row = 0.0_dp |
1220 |
> |
pot_Col = 0.0_dp |
1221 |
> |
pot_Temp = 0.0_dp |
1222 |
> |
|
1223 |
> |
rf_Row = 0.0_dp |
1224 |
> |
rf_Col = 0.0_dp |
1225 |
> |
rf_Temp = 0.0_dp |
1226 |
> |
|
1227 |
|
#endif |
1104 |
– |
|
1228 |
|
|
1229 |
< |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1230 |
< |
call clean_EAM() |
1231 |
< |
endif |
1232 |
< |
|
1233 |
< |
|
1234 |
< |
|
1235 |
< |
|
1236 |
< |
|
1237 |
< |
rf = 0.0_dp |
1238 |
< |
tau_Temp = 0.0_dp |
1239 |
< |
virial_Temp = 0.0_dp |
1240 |
< |
end subroutine zero_work_arrays |
1241 |
< |
|
1242 |
< |
function skipThisPair(atom1, atom2) result(skip_it) |
1243 |
< |
integer, intent(in) :: atom1 |
1244 |
< |
integer, intent(in), optional :: atom2 |
1245 |
< |
logical :: skip_it |
1246 |
< |
integer :: unique_id_1, unique_id_2 |
1247 |
< |
integer :: me_i,me_j |
1248 |
< |
integer :: i |
1249 |
< |
|
1250 |
< |
skip_it = .false. |
1251 |
< |
|
1252 |
< |
!! there are a number of reasons to skip a pair or a particle |
1253 |
< |
!! mostly we do this to exclude atoms who are involved in short |
1131 |
< |
!! range interactions (bonds, bends, torsions), but we also need |
1132 |
< |
!! to exclude some overcounted interactions that result from |
1133 |
< |
!! the parallel decomposition |
1134 |
< |
|
1229 |
> |
if (FF_uses_EAM .and. SIM_uses_EAM) then |
1230 |
> |
call clean_EAM() |
1231 |
> |
endif |
1232 |
> |
|
1233 |
> |
rf = 0.0_dp |
1234 |
> |
tau_Temp = 0.0_dp |
1235 |
> |
virial_Temp = 0.0_dp |
1236 |
> |
end subroutine zero_work_arrays |
1237 |
> |
|
1238 |
> |
function skipThisPair(atom1, atom2) result(skip_it) |
1239 |
> |
integer, intent(in) :: atom1 |
1240 |
> |
integer, intent(in), optional :: atom2 |
1241 |
> |
logical :: skip_it |
1242 |
> |
integer :: unique_id_1, unique_id_2 |
1243 |
> |
integer :: me_i,me_j |
1244 |
> |
integer :: i |
1245 |
> |
|
1246 |
> |
skip_it = .false. |
1247 |
> |
|
1248 |
> |
!! there are a number of reasons to skip a pair or a particle |
1249 |
> |
!! mostly we do this to exclude atoms who are involved in short |
1250 |
> |
!! range interactions (bonds, bends, torsions), but we also need |
1251 |
> |
!! to exclude some overcounted interactions that result from |
1252 |
> |
!! the parallel decomposition |
1253 |
> |
|
1254 |
|
#ifdef IS_MPI |
1255 |
< |
!! in MPI, we have to look up the unique IDs for each atom |
1256 |
< |
unique_id_1 = tagRow(atom1) |
1255 |
> |
!! in MPI, we have to look up the unique IDs for each atom |
1256 |
> |
unique_id_1 = tagRow(atom1) |
1257 |
|
#else |
1258 |
< |
!! in the normal loop, the atom numbers are unique |
1259 |
< |
unique_id_1 = atom1 |
1258 |
> |
!! in the normal loop, the atom numbers are unique |
1259 |
> |
unique_id_1 = atom1 |
1260 |
|
#endif |
1261 |
< |
|
1262 |
< |
!! We were called with only one atom, so just check the global exclude |
1263 |
< |
!! list for this atom |
1264 |
< |
if (.not. present(atom2)) then |
1265 |
< |
do i = 1, nExcludes_global |
1266 |
< |
if (excludesGlobal(i) == unique_id_1) then |
1267 |
< |
skip_it = .true. |
1268 |
< |
return |
1269 |
< |
end if |
1270 |
< |
end do |
1271 |
< |
return |
1272 |
< |
end if |
1273 |
< |
|
1261 |
> |
|
1262 |
> |
!! We were called with only one atom, so just check the global exclude |
1263 |
> |
!! list for this atom |
1264 |
> |
if (.not. present(atom2)) then |
1265 |
> |
do i = 1, nExcludes_global |
1266 |
> |
if (excludesGlobal(i) == unique_id_1) then |
1267 |
> |
skip_it = .true. |
1268 |
> |
return |
1269 |
> |
end if |
1270 |
> |
end do |
1271 |
> |
return |
1272 |
> |
end if |
1273 |
> |
|
1274 |
|
#ifdef IS_MPI |
1275 |
< |
unique_id_2 = tagColumn(atom2) |
1275 |
> |
unique_id_2 = tagColumn(atom2) |
1276 |
|
#else |
1277 |
< |
unique_id_2 = atom2 |
1277 |
> |
unique_id_2 = atom2 |
1278 |
|
#endif |
1279 |
< |
|
1279 |
> |
|
1280 |
|
#ifdef IS_MPI |
1281 |
< |
!! this situation should only arise in MPI simulations |
1282 |
< |
if (unique_id_1 == unique_id_2) then |
1283 |
< |
skip_it = .true. |
1284 |
< |
return |
1285 |
< |
end if |
1286 |
< |
|
1287 |
< |
!! this prevents us from doing the pair on multiple processors |
1288 |
< |
if (unique_id_1 < unique_id_2) then |
1289 |
< |
if (mod(unique_id_1 + unique_id_2,2) == 0) then |
1290 |
< |
skip_it = .true. |
1291 |
< |
return |
1292 |
< |
endif |
1293 |
< |
else |
1294 |
< |
if (mod(unique_id_1 + unique_id_2,2) == 1) then |
1295 |
< |
skip_it = .true. |
1296 |
< |
return |
1297 |
< |
endif |
1298 |
< |
endif |
1281 |
> |
!! this situation should only arise in MPI simulations |
1282 |
> |
if (unique_id_1 == unique_id_2) then |
1283 |
> |
skip_it = .true. |
1284 |
> |
return |
1285 |
> |
end if |
1286 |
> |
|
1287 |
> |
!! this prevents us from doing the pair on multiple processors |
1288 |
> |
if (unique_id_1 < unique_id_2) then |
1289 |
> |
if (mod(unique_id_1 + unique_id_2,2) == 0) then |
1290 |
> |
skip_it = .true. |
1291 |
> |
return |
1292 |
> |
endif |
1293 |
> |
else |
1294 |
> |
if (mod(unique_id_1 + unique_id_2,2) == 1) then |
1295 |
> |
skip_it = .true. |
1296 |
> |
return |
1297 |
> |
endif |
1298 |
> |
endif |
1299 |
|
#endif |
1300 |
+ |
|
1301 |
+ |
!! the rest of these situations can happen in all simulations: |
1302 |
+ |
do i = 1, nExcludes_global |
1303 |
+ |
if ((excludesGlobal(i) == unique_id_1) .or. & |
1304 |
+ |
(excludesGlobal(i) == unique_id_2)) then |
1305 |
+ |
skip_it = .true. |
1306 |
+ |
return |
1307 |
+ |
endif |
1308 |
+ |
enddo |
1309 |
+ |
|
1310 |
+ |
do i = 1, nExcludes_local |
1311 |
+ |
if (excludesLocal(1,i) == unique_id_1) then |
1312 |
+ |
if (excludesLocal(2,i) == unique_id_2) then |
1313 |
+ |
skip_it = .true. |
1314 |
+ |
return |
1315 |
+ |
endif |
1316 |
+ |
else |
1317 |
+ |
if (excludesLocal(1,i) == unique_id_2) then |
1318 |
+ |
if (excludesLocal(2,i) == unique_id_1) then |
1319 |
+ |
skip_it = .true. |
1320 |
+ |
return |
1321 |
+ |
endif |
1322 |
+ |
endif |
1323 |
+ |
endif |
1324 |
+ |
end do |
1325 |
+ |
|
1326 |
+ |
return |
1327 |
+ |
end function skipThisPair |
1328 |
|
|
1329 |
< |
!! the rest of these situations can happen in all simulations: |
1330 |
< |
do i = 1, nExcludes_global |
1331 |
< |
if ((excludesGlobal(i) == unique_id_1) .or. & |
1332 |
< |
(excludesGlobal(i) == unique_id_2)) then |
1333 |
< |
skip_it = .true. |
1334 |
< |
return |
1335 |
< |
endif |
1336 |
< |
enddo |
1337 |
< |
|
1338 |
< |
do i = 1, nExcludes_local |
1339 |
< |
if (excludesLocal(1,i) == unique_id_1) then |
1340 |
< |
if (excludesLocal(2,i) == unique_id_2) then |
1341 |
< |
skip_it = .true. |
1342 |
< |
return |
1343 |
< |
endif |
1344 |
< |
else |
1198 |
< |
if (excludesLocal(1,i) == unique_id_2) then |
1199 |
< |
if (excludesLocal(2,i) == unique_id_1) then |
1200 |
< |
skip_it = .true. |
1201 |
< |
return |
1202 |
< |
endif |
1203 |
< |
endif |
1204 |
< |
endif |
1205 |
< |
end do |
1206 |
< |
|
1207 |
< |
return |
1208 |
< |
end function skipThisPair |
1209 |
< |
|
1210 |
< |
function FF_UsesDirectionalAtoms() result(doesit) |
1211 |
< |
logical :: doesit |
1212 |
< |
doesit = FF_uses_dipoles .or. FF_uses_sticky .or. & |
1213 |
< |
FF_uses_GB .or. FF_uses_RF |
1214 |
< |
end function FF_UsesDirectionalAtoms |
1215 |
< |
|
1216 |
< |
function FF_RequiresPrepairCalc() result(doesit) |
1217 |
< |
logical :: doesit |
1218 |
< |
doesit = FF_uses_EAM |
1219 |
< |
end function FF_RequiresPrepairCalc |
1220 |
< |
|
1221 |
< |
function FF_RequiresPostpairCalc() result(doesit) |
1222 |
< |
logical :: doesit |
1223 |
< |
doesit = FF_uses_RF |
1224 |
< |
end function FF_RequiresPostpairCalc |
1225 |
< |
|
1329 |
> |
function FF_UsesDirectionalAtoms() result(doesit) |
1330 |
> |
logical :: doesit |
1331 |
> |
doesit = FF_uses_dipoles .or. FF_uses_sticky .or. & |
1332 |
> |
FF_uses_GB .or. FF_uses_RF |
1333 |
> |
end function FF_UsesDirectionalAtoms |
1334 |
> |
|
1335 |
> |
function FF_RequiresPrepairCalc() result(doesit) |
1336 |
> |
logical :: doesit |
1337 |
> |
doesit = FF_uses_EAM |
1338 |
> |
end function FF_RequiresPrepairCalc |
1339 |
> |
|
1340 |
> |
function FF_RequiresPostpairCalc() result(doesit) |
1341 |
> |
logical :: doesit |
1342 |
> |
doesit = FF_uses_RF |
1343 |
> |
end function FF_RequiresPostpairCalc |
1344 |
> |
|
1345 |
|
#ifdef PROFILE |
1346 |
< |
function getforcetime() result(totalforcetime) |
1347 |
< |
real(kind=dp) :: totalforcetime |
1348 |
< |
totalforcetime = forcetime |
1349 |
< |
end function getforcetime |
1346 |
> |
function getforcetime() result(totalforcetime) |
1347 |
> |
real(kind=dp) :: totalforcetime |
1348 |
> |
totalforcetime = forcetime |
1349 |
> |
end function getforcetime |
1350 |
|
#endif |
1351 |
< |
|
1352 |
< |
!! This cleans componets of force arrays belonging only to fortran |
1353 |
< |
|
1351 |
> |
|
1352 |
> |
!! This cleans componets of force arrays belonging only to fortran |
1353 |
> |
|
1354 |
|
end module do_Forces |