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Comparing trunk/OOPSE-2.0/src/UseTheForce/doForces.F90 (file contents):
Revision 1610 by gezelter, Wed Oct 20 04:19:55 2004 UTC vs.
Revision 2298 by chuckv, Thu Sep 15 02:48:43 2005 UTC

#	Line 1 | Line 1
1	+	!!
2	+	!! Copyright (c) 2005 The University of Notre Dame. All Rights Reserved.
3	+	!!
4	+	!! The University of Notre Dame grants you ("Licensee") a
5	+	!! non-exclusive, royalty free, license to use, modify and
6	+	!! redistribute this software in source and binary code form, provided
7	+	!! that the following conditions are met:
8	+	!!
9	+	!! 1. Acknowledgement of the program authors must be made in any
10	+	!!    publication of scientific results based in part on use of the
11	+	!!    program.  An acceptable form of acknowledgement is citation of
12	+	!!    the article in which the program was described (Matthew
13	+	!!    A. Meineke, Charles F. Vardeman II, Teng Lin, Christopher
14	+	!!    J. Fennell and J. Daniel Gezelter, "OOPSE: An Object-Oriented
15	+	!!    Parallel Simulation Engine for Molecular Dynamics,"
16	+	!!    J. Comput. Chem. 26, pp. 252-271 (2005))
17	+	!!
18	+	!! 2. Redistributions of source code must retain the above copyright
19	+	!!    notice, this list of conditions and the following disclaimer.
20	+	!!
21	+	!! 3. Redistributions in binary form must reproduce the above copyright
22	+	!!    notice, this list of conditions and the following disclaimer in the
23	+	!!    documentation and/or other materials provided with the
24	+	!!    distribution.
25	+	!!
26	+	!! This software is provided "AS IS," without a warranty of any
27	+	!! kind. All express or implied conditions, representations and
28	+	!! warranties, including any implied warranty of merchantability,
29	+	!! fitness for a particular purpose or non-infringement, are hereby
30	+	!! excluded.  The University of Notre Dame and its licensors shall not
31	+	!! be liable for any damages suffered by licensee as a result of
32	+	!! using, modifying or distributing the software or its
33	+	!! derivatives. In no event will the University of Notre Dame or its
34	+	!! licensors be liable for any lost revenue, profit or data, or for
35	+	!! direct, indirect, special, consequential, incidental or punitive
36	+	!! damages, however caused and regardless of the theory of liability,
37	+	!! arising out of the use of or inability to use software, even if the
38	+	!! University of Notre Dame has been advised of the possibility of
39	+	!! such damages.
40	+	!!
41	+
42		!! doForces.F90
43		!! module doForces
44		!! Calculates Long Range forces.
45
46		!! @author Charles F. Vardeman II
47		!! @author Matthew Meineke
48	<	!! @version $Id: doForces.F90,v 1.1 2004-10-20 04:19:55 gezelter Exp $, $Date: 2004-10-20 04:19:55 $, $Name: not supported by cvs2svn $, $Revision: 1.1 $
48	>	!! @version $Id: doForces.F90,v 1.43 2005-09-15 02:48:43 chuckv Exp $, $Date: 2005-09-15 02:48:43 $, $Name: not supported by cvs2svn $, $Revision: 1.43 $
49
50	+
51		module doForces
52		use force_globals
53		use simulation
#	Line 14 | Line 56 | module doForces
56		use switcheroo
57		use neighborLists
58		use lj
59	<	use sticky_pair
60	<	use dipole_dipole
61	<	use charge_charge
20	<	use reaction_field
59	>	use sticky
60	>	use electrostatic_module
61	>	use reaction_field_module
62		use gb_pair
63	+	use shapes
64		use vector_class
65		use eam
66		use status
#	Line 30 | Line 72 | module doForces
72		PRIVATE
73
74		#define __FORTRAN90
33	–	#include "UseTheForce/fForceField.h"
75		#include "UseTheForce/fSwitchingFunction.h"
76	+	#include "UseTheForce/fCutoffPolicy.h"
77	+	#include "UseTheForce/fCoulombicCorrection.h"
78	+	#include "UseTheForce/DarkSide/fInteractionMap.h"
79
80	+
81		INTEGER, PARAMETER:: PREPAIR_LOOP = 1
82		INTEGER, PARAMETER:: PAIR_LOOP    = 2
83
39	–	logical, save :: haveRlist = .false.
84		logical, save :: haveNeighborList = .false.
41	–	logical, save :: havePolicies = .false.
85		logical, save :: haveSIMvariables = .false.
43	–	logical, save :: havePropertyMap = .false.
86		logical, save :: haveSaneForceField = .false.
87	<	logical, save :: FF_uses_LJ
88	<	logical, save :: FF_uses_sticky
89	<	logical, save :: FF_uses_charges
90	<	logical, save :: FF_uses_dipoles
91	<	logical, save :: FF_uses_RF
92	<	logical, save :: FF_uses_GB
87	>	logical, save :: haveInteractionHash = .false.
88	>	logical, save :: haveGtypeCutoffMap = .false.
89	>	logical, save :: haveRlist = .false.
90	>
91	>	logical, save :: FF_uses_DirectionalAtoms
92	>	logical, save :: FF_uses_Dipoles
93	>	logical, save :: FF_uses_GayBerne
94		logical, save :: FF_uses_EAM
95	<	logical, save :: SIM_uses_LJ
96	<	logical, save :: SIM_uses_sticky
97	<	logical, save :: SIM_uses_charges
55	<	logical, save :: SIM_uses_dipoles
56	<	logical, save :: SIM_uses_RF
57	<	logical, save :: SIM_uses_GB
95	>	logical, save :: FF_uses_RF
96	>
97	>	logical, save :: SIM_uses_DirectionalAtoms
98		logical, save :: SIM_uses_EAM
99	+	logical, save :: SIM_uses_RF
100		logical, save :: SIM_requires_postpair_calc
101		logical, save :: SIM_requires_prepair_calc
61	–	logical, save :: SIM_uses_directional_atoms
102		logical, save :: SIM_uses_PBC
63	–	logical, save :: SIM_uses_molecular_cutoffs
103
104	<	real(kind=dp), save :: rlist, rlistsq
104	>	integer, save :: corrMethod
105
106		public :: init_FF
107	+	public :: setDefaultCutoffs
108		public :: do_force_loop
109	<	public :: setRlistDF
109	>	public :: createInteractionHash
110	>	public :: createGtypeCutoffMap
111	>	public :: getStickyCut
112	>	public :: getStickyPowerCut
113	>	public :: getGayBerneCut
114	>	public :: getEAMCut
115	>	public :: getShapeCut
116
117		#ifdef PROFILE
118		public :: getforcetime
#	Line 74 | Line 120 | module doForces
120		real :: forceTimeInitial, forceTimeFinal
121		integer :: nLoops
122		#endif
123	+
124	+	!! Variables for cutoff mapping and interaction mapping
125	+	! Bit hash to determine pair-pair interactions.
126	+	integer, dimension(:,:), allocatable :: InteractionHash
127	+	real(kind=dp), dimension(:), allocatable :: atypeMaxCutoff
128	+	real(kind=dp), dimension(:), allocatable :: groupMaxCutoff
129	+	integer, dimension(:), allocatable :: groupToGtype
130	+	real(kind=dp), dimension(:), allocatable :: gtypeMaxCutoff
131	+	type ::gtypeCutoffs
132	+	real(kind=dp) :: rcut
133	+	real(kind=dp) :: rcutsq
134	+	real(kind=dp) :: rlistsq
135	+	end type gtypeCutoffs
136	+	type(gtypeCutoffs), dimension(:,:), allocatable :: gtypeCutoffMap
137
138	<	type :: Properties
139	<	logical :: is_lj     = .false.
140	<	logical :: is_sticky = .false.
141	<	logical :: is_dp     = .false.
142	<	logical :: is_gb     = .false.
83	<	logical :: is_eam    = .false.
84	<	logical :: is_charge = .false.
85	<	real(kind=DP) :: charge = 0.0_DP
86	<	real(kind=DP) :: dipole_moment = 0.0_DP
87	<	end type Properties
88	<
89	<	type(Properties), dimension(:),allocatable :: PropertyMap
90	<
138	>	integer, save :: cutoffPolicy = TRADITIONAL_CUTOFF_POLICY
139	>	integer, save :: coulombicCorrection = NONE
140	>	real(kind=dp),save :: defaultRcut, defaultRsw, defaultRlist
141	>	real(kind=dp),save :: rcuti
142	>
143		contains
144
145	<	subroutine setRlistDF( this_rlist )
94	<
95	<	real(kind=dp) :: this_rlist
96	<
97	<	rlist = this_rlist
98	<	rlistsq = rlist * rlist
99	<
100	<	haveRlist = .true.
101	<
102	<	end subroutine setRlistDF
103	<
104	<	subroutine createPropertyMap(status)
145	>	subroutine createInteractionHash(status)
146		integer :: nAtypes
147	<	integer :: status
147	>	integer, intent(out) :: status
148		integer :: i
149	<	logical :: thisProperty
150	<	real (kind=DP) :: thisDPproperty
149	>	integer :: j
150	>	integer :: iHash
151	>	!! Test Types
152	>	logical :: i_is_LJ
153	>	logical :: i_is_Elect
154	>	logical :: i_is_Sticky
155	>	logical :: i_is_StickyP
156	>	logical :: i_is_GB
157	>	logical :: i_is_EAM
158	>	logical :: i_is_Shape
159	>	logical :: j_is_LJ
160	>	logical :: j_is_Elect
161	>	logical :: j_is_Sticky
162	>	logical :: j_is_StickyP
163	>	logical :: j_is_GB
164	>	logical :: j_is_EAM
165	>	logical :: j_is_Shape
166	>	real(kind=dp) :: myRcut
167
168	<	status = 0
168	>	status = 0
169
170	+	if (.not. associated(atypes)) then
171	+	call handleError("atype", "atypes was not present before call of createInteractionHash!")
172	+	status = -1
173	+	return
174	+	endif
175	+
176		nAtypes = getSize(atypes)
177	<
177	>
178		if (nAtypes == 0) then
179		status = -1
180		return
181		end if
182	<
183	<	if (.not. allocated(PropertyMap)) then
184	<	allocate(PropertyMap(nAtypes))
182	>
183	>	if (.not. allocated(InteractionHash)) then
184	>	allocate(InteractionHash(nAtypes,nAtypes))
185		endif
186
187	+	if (.not. allocated(atypeMaxCutoff)) then
188	+	allocate(atypeMaxCutoff(nAtypes))
189	+	endif
190	+
191		do i = 1, nAtypes
192	<	call getElementProperty(atypes, i, "is_LJ", thisProperty)
193	<	PropertyMap(i)%is_LJ = thisProperty
194	<
195	<	call getElementProperty(atypes, i, "is_Charge", thisProperty)
196	<	PropertyMap(i)%is_Charge = thisProperty
197	<
198	<	if (thisProperty) then
132	<	call getElementProperty(atypes, i, "charge", thisDPproperty)
133	<	PropertyMap(i)%charge = thisDPproperty
134	<	endif
135	<
136	<	call getElementProperty(atypes, i, "is_DP", thisProperty)
137	<	PropertyMap(i)%is_DP = thisProperty
138	<
139	<	if (thisProperty) then
140	<	call getElementProperty(atypes, i, "dipole_moment", thisDPproperty)
141	<	PropertyMap(i)%dipole_moment = thisDPproperty
142	<	endif
192	>	call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
193	>	call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
194	>	call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
195	>	call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
196	>	call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
197	>	call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
198	>	call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
199
200	<	call getElementProperty(atypes, i, "is_Sticky", thisProperty)
201	<	PropertyMap(i)%is_Sticky = thisProperty
202	<	call getElementProperty(atypes, i, "is_GB", thisProperty)
203	<	PropertyMap(i)%is_GB = thisProperty
204	<	call getElementProperty(atypes, i, "is_EAM", thisProperty)
205	<	PropertyMap(i)%is_EAM = thisProperty
200	>	do j = i, nAtypes
201	>
202	>	iHash = 0
203	>	myRcut = 0.0_dp
204	>
205	>	call getElementProperty(atypes, j, "is_LennardJones", j_is_LJ)
206	>	call getElementProperty(atypes, j, "is_Electrostatic", j_is_Elect)
207	>	call getElementProperty(atypes, j, "is_Sticky", j_is_Sticky)
208	>	call getElementProperty(atypes, j, "is_StickyPower", j_is_StickyP)
209	>	call getElementProperty(atypes, j, "is_GayBerne", j_is_GB)
210	>	call getElementProperty(atypes, j, "is_EAM", j_is_EAM)
211	>	call getElementProperty(atypes, j, "is_Shape", j_is_Shape)
212	>
213	>	if (i_is_LJ .and. j_is_LJ) then
214	>	iHash = ior(iHash, LJ_PAIR)
215	>	endif
216	>
217	>	if (i_is_Elect .and. j_is_Elect) then
218	>	iHash = ior(iHash, ELECTROSTATIC_PAIR)
219	>	endif
220	>
221	>	if (i_is_Sticky .and. j_is_Sticky) then
222	>	iHash = ior(iHash, STICKY_PAIR)
223	>	endif
224	>
225	>	if (i_is_StickyP .and. j_is_StickyP) then
226	>	iHash = ior(iHash, STICKYPOWER_PAIR)
227	>	endif
228	>
229	>	if (i_is_EAM .and. j_is_EAM) then
230	>	iHash = ior(iHash, EAM_PAIR)
231	>	endif
232	>
233	>	if (i_is_GB .and. j_is_GB) iHash = ior(iHash, GAYBERNE_PAIR)
234	>	if (i_is_GB .and. j_is_LJ) iHash = ior(iHash, GAYBERNE_LJ)
235	>	if (i_is_LJ .and. j_is_GB) iHash = ior(iHash, GAYBERNE_LJ)
236	>
237	>	if (i_is_Shape .and. j_is_Shape) iHash = ior(iHash, SHAPE_PAIR)
238	>	if (i_is_Shape .and. j_is_LJ) iHash = ior(iHash, SHAPE_LJ)
239	>	if (i_is_LJ .and. j_is_Shape) iHash = ior(iHash, SHAPE_LJ)
240	>
241	>
242	>	InteractionHash(i,j) = iHash
243	>	InteractionHash(j,i) = iHash
244	>
245	>	end do
246	>
247		end do
248
249	<	havePropertyMap = .true.
249	>	haveInteractionHash = .true.
250	>	end subroutine createInteractionHash
251
252	<	end subroutine createPropertyMap
252	>	subroutine createGtypeCutoffMap(stat)
253	>
254	>	integer, intent(out), optional :: stat
255	>	logical :: i_is_LJ
256	>	logical :: i_is_Elect
257	>	logical :: i_is_Sticky
258	>	logical :: i_is_StickyP
259	>	logical :: i_is_GB
260	>	logical :: i_is_EAM
261	>	logical :: i_is_Shape
262	>	logical :: GtypeFound
263	>
264	>	integer :: myStatus, nAtypes,  i, j, istart, iend, jstart, jend
265	>	integer :: n_in_i, me_i, ia, g, atom1, nGroupTypes
266	>	integer :: nGroupsInRow
267	>	real(kind=dp):: thisSigma, bigSigma, thisRcut, tol, skin
268	>	real(kind=dp) :: biggestAtypeCutoff
269	>
270	>	stat = 0
271	>	if (.not. haveInteractionHash) then
272	>	call createInteractionHash(myStatus)
273	>	if (myStatus .ne. 0) then
274	>	write(default_error, *) 'createInteractionHash failed in doForces!'
275	>	stat = -1
276	>	return
277	>	endif
278	>	endif
279	>	#ifdef IS_MPI
280	>	nGroupsInRow = getNgroupsInRow(plan_group_row)
281	>	#endif
282	>	nAtypes = getSize(atypes)
283	>	! Set all of the initial cutoffs to zero.
284	>	atypeMaxCutoff = 0.0_dp
285	>	do i = 1, nAtypes
286	>	if (SimHasAtype(i)) then
287	>	call getElementProperty(atypes, i, "is_LennardJones", i_is_LJ)
288	>	call getElementProperty(atypes, i, "is_Electrostatic", i_is_Elect)
289	>	call getElementProperty(atypes, i, "is_Sticky", i_is_Sticky)
290	>	call getElementProperty(atypes, i, "is_StickyPower", i_is_StickyP)
291	>	call getElementProperty(atypes, i, "is_GayBerne", i_is_GB)
292	>	call getElementProperty(atypes, i, "is_EAM", i_is_EAM)
293	>	call getElementProperty(atypes, i, "is_Shape", i_is_Shape)
294	>
295	>
296	>	if (i_is_LJ) then
297	>	thisRcut = getSigma(i) * 2.5_dp
298	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
299	>	endif
300	>	if (i_is_Elect) then
301	>	thisRcut = defaultRcut
302	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
303	>	endif
304	>	if (i_is_Sticky) then
305	>	thisRcut = getStickyCut(i)
306	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
307	>	endif
308	>	if (i_is_StickyP) then
309	>	thisRcut = getStickyPowerCut(i)
310	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
311	>	endif
312	>	if (i_is_GB) then
313	>	thisRcut = getGayBerneCut(i)
314	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
315	>	endif
316	>	if (i_is_EAM) then
317	>	thisRcut = getEAMCut(i)
318	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
319	>	endif
320	>	if (i_is_Shape) then
321	>	thisRcut = getShapeCut(i)
322	>	if (thisRCut .gt. atypeMaxCutoff(i)) atypeMaxCutoff(i) = thisRCut
323	>	endif
324	>
325	>	if (atypeMaxCutoff(i).gt.biggestAtypeCutoff) then
326	>	biggestAtypeCutoff = atypeMaxCutoff(i)
327	>	endif
328	>	endif
329	>	enddo
330	>
331	>	nGroupTypes = 0
332	>
333	>	istart = 1
334	>	#ifdef IS_MPI
335	>	iend = nGroupsInRow
336	>	#else
337	>	iend = nGroups
338	>	#endif
339	>
340	>	!! allocate the groupToGtype and gtypeMaxCutoff here.
341	>	if(.not.allocated(groupToGtype)) then
342	>	allocate(groupToGtype(iend))
343	>	allocate(groupMaxCutoff(iend))
344	>	allocate(gtypeMaxCutoff(iend))
345	>	groupMaxCutoff = 0.0_dp
346	>	gtypeMaxCutoff = 0.0_dp
347	>	endif
348	>	!! first we do a single loop over the cutoff groups to find the
349	>	!! largest cutoff for any atypes present in this group.  We also
350	>	!! create gtypes at this point.
351	>
352	>	tol = 1.0d-6
353	>
354	>	do i = istart, iend
355	>	n_in_i = groupStartRow(i+1) - groupStartRow(i)
356	>	groupMaxCutoff(i) = 0.0_dp
357	>	do ia = groupStartRow(i), groupStartRow(i+1)-1
358	>	atom1 = groupListRow(ia)
359	>	#ifdef IS_MPI
360	>	me_i = atid_row(atom1)
361	>	#else
362	>	me_i = atid(atom1)
363	>	#endif
364	>	if (atypeMaxCutoff(me_i).gt.groupMaxCutoff(i)) then
365	>	groupMaxCutoff(i)=atypeMaxCutoff(me_i)
366	>	endif
367	>	enddo
368	>
369	>	if (nGroupTypes.eq.0) then
370	>	nGroupTypes = nGroupTypes + 1
371	>	gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
372	>	groupToGtype(i) = nGroupTypes
373	>	else
374	>	GtypeFound = .false.
375	>	do g = 1, nGroupTypes
376	>	if ( abs(groupMaxCutoff(i) - gtypeMaxCutoff(g)).lt.tol) then
377	>	groupToGtype(i) = g
378	>	GtypeFound = .true.
379	>	endif
380	>	enddo
381	>	if (.not.GtypeFound) then
382	>	nGroupTypes = nGroupTypes + 1
383	>	gtypeMaxCutoff(nGroupTypes) = groupMaxCutoff(i)
384	>	groupToGtype(i) = nGroupTypes
385	>	endif
386	>	endif
387	>	enddo
388
389	+	!! allocate the gtypeCutoffMap here.
390	+	allocate(gtypeCutoffMap(nGroupTypes,nGroupTypes))
391	+	!! then we do a double loop over all the group TYPES to find the cutoff
392	+	!! map between groups of two types
393	+
394	+	do i = 1, nGroupTypes
395	+	do j = 1, nGroupTypes
396	+
397	+	select case(cutoffPolicy)
398	+	case(TRADITIONAL_CUTOFF_POLICY)
399	+	thisRcut = maxval(gtypeMaxCutoff)
400	+	case(MIX_CUTOFF_POLICY)
401	+	thisRcut = 0.5_dp * (gtypeMaxCutoff(i) + gtypeMaxCutoff(j))
402	+	case(MAX_CUTOFF_POLICY)
403	+	thisRcut = max(gtypeMaxCutoff(i), gtypeMaxCutoff(j))
404	+	case default
405	+	call handleError("createGtypeCutoffMap", "Unknown Cutoff Policy")
406	+	return
407	+	end select
408	+	gtypeCutoffMap(i,j)%rcut = thisRcut
409	+	gtypeCutoffMap(i,j)%rcutsq = thisRcut*thisRcut
410	+	skin = defaultRlist - defaultRcut
411	+	gtypeCutoffMap(i,j)%rlistsq = (thisRcut + skin)**2
412	+
413	+	enddo
414	+	enddo
415	+
416	+	haveGtypeCutoffMap = .true.
417	+	end subroutine createGtypeCutoffMap
418	+
419	+	subroutine setDefaultCutoffs(defRcut, defRsw, defRlist, cutPolicy)
420	+	real(kind=dp),intent(in) :: defRcut, defRsw, defRlist
421	+	integer, intent(in) :: cutPolicy
422	+
423	+	defaultRcut = defRcut
424	+	defaultRsw = defRsw
425	+	defaultRlist = defRlist
426	+	cutoffPolicy = cutPolicy
427	+	rcuti = 1.0_dp / defaultRcut
428	+	end subroutine setDefaultCutoffs
429	+
430	+	subroutine setCutoffPolicy(cutPolicy)
431	+
432	+	integer, intent(in) :: cutPolicy
433	+	cutoffPolicy = cutPolicy
434	+	call createGtypeCutoffMap()
435	+	end subroutine setCutoffPolicy
436	+
437	+
438		subroutine setSimVariables()
439	<	SIM_uses_LJ = SimUsesLJ()
158	<	SIM_uses_sticky = SimUsesSticky()
159	<	SIM_uses_charges = SimUsesCharges()
160	<	SIM_uses_dipoles = SimUsesDipoles()
161	<	SIM_uses_RF = SimUsesRF()
162	<	SIM_uses_GB = SimUsesGB()
439	>	SIM_uses_DirectionalAtoms = SimUsesDirectionalAtoms()
440		SIM_uses_EAM = SimUsesEAM()
441		SIM_requires_postpair_calc = SimRequiresPostpairCalc()
442		SIM_requires_prepair_calc = SimRequiresPrepairCalc()
166	–	SIM_uses_directional_atoms = SimUsesDirectionalAtoms()
443		SIM_uses_PBC = SimUsesPBC()
444	<	!SIM_uses_molecular_cutoffs = SimUsesMolecularCutoffs()
444	>	SIM_uses_RF = SimUsesRF()
445
446		haveSIMvariables = .true.
447
#	Line 178 | Line 454 | contains
454		integer :: myStatus
455
456		error = 0
181	–
182	–	if (.not. havePropertyMap) then
457
458	<	myStatus = 0
458	>	if (.not. haveInteractionHash) then
459	>	myStatus = 0
460	>	call createInteractionHash(myStatus)
461	>	if (myStatus .ne. 0) then
462	>	write(default_error, *) 'createInteractionHash failed in doForces!'
463	>	error = -1
464	>	return
465	>	endif
466	>	endif
467
468	<	call createPropertyMap(myStatus)
469	<
468	>	if (.not. haveGtypeCutoffMap) then
469	>	myStatus = 0
470	>	call createGtypeCutoffMap(myStatus)
471		if (myStatus .ne. 0) then
472	<	write(default_error, *) 'createPropertyMap failed in doForces!'
472	>	write(default_error, *) 'createGtypeCutoffMap failed in doForces!'
473		error = -1
474		return
475		endif
#	Line 196 | Line 479 | contains
479		call setSimVariables()
480		endif
481
482	<	if (.not. haveRlist) then
483	<	write(default_error, *) 'rList has not been set in doForces!'
484	<	error = -1
485	<	return
486	<	endif
482	>	!  if (.not. haveRlist) then
483	>	!     write(default_error, *) 'rList has not been set in doForces!'
484	>	!     error = -1
485	>	!     return
486	>	!  endif
487
205	–	if (SIM_uses_LJ .and. FF_uses_LJ) then
206	–	if (.not. havePolicies) then
207	–	write(default_error, *) 'LJ mixing Policies have not been set in doForces!'
208	–	error = -1
209	–	return
210	–	endif
211	–	endif
212	–
488		if (.not. haveNeighborList) then
489		write(default_error, *) 'neighbor list has not been initialized in doForces!'
490		error = -1
#	Line 231 | Line 506 | contains
506		#endif
507		return
508		end subroutine doReadyCheck
234	–
509
236	–	subroutine init_FF(LJMIXPOLICY, use_RF_c, thisStat)
510
511	<	integer, intent(in) :: LJMIXPOLICY
239	<	logical, intent(in) :: use_RF_c
511	>	subroutine init_FF(use_RF, correctionMethod, dampingAlpha, thisStat)
512
513	+	logical, intent(in) :: use_RF
514	+	integer, intent(in) :: correctionMethod
515	+	real(kind=dp), intent(in) :: dampingAlpha
516		integer, intent(out) :: thisStat
517		integer :: my_status, nMatches
518		integer, pointer :: MatchList(:) => null()
#	Line 247 | Line 522 | contains
522		thisStat = 0
523
524		!! Fortran's version of a cast:
525	<	FF_uses_RF = use_RF_c
526	<
525	>	FF_uses_RF = use_RF
526	>
527	>	!! set the electrostatic correction method
528	>	select case(coulombicCorrection)
529	>	case(NONE)
530	>	corrMethod = 0
531	>	case(UNDAMPED_WOLF)
532	>	corrMethod = 1
533	>	case(WOLF)
534	>	corrMethod = 2
535	>	case (REACTION_FIELD)
536	>	corrMethod = 3
537	>	case default
538	>	call handleError("init_FF", "Unknown Coulombic Correction Method")
539	>	return
540	>	end select
541	>
542		!! init_FF is called *after* all of the atom types have been
543		!! defined in atype_module using the new_atype subroutine.
544		!!
545		!! this will scan through the known atypes and figure out what
546		!! interactions are used by the force field.
547	<
548	<	FF_uses_LJ = .false.
549	<	FF_uses_sticky = .false.
550	<	FF_uses_charges = .false.
261	<	FF_uses_dipoles = .false.
262	<	FF_uses_GB = .false.
547	>
548	>	FF_uses_DirectionalAtoms = .false.
549	>	FF_uses_Dipoles = .false.
550	>	FF_uses_GayBerne = .false.
551		FF_uses_EAM = .false.
264	–
265	–	call getMatchingElementList(atypes, "is_LJ", .true., nMatches, MatchList)
266	–	if (nMatches .gt. 0) FF_uses_LJ = .true.
552
553	<	call getMatchingElementList(atypes, "is_Charge", .true., nMatches, MatchList)
554	<	if (nMatches .gt. 0) FF_uses_charges = .true.
553	>	call getMatchingElementList(atypes, "is_Directional", .true., &
554	>	nMatches, MatchList)
555	>	if (nMatches .gt. 0) FF_uses_DirectionalAtoms = .true.
556
557	<	call getMatchingElementList(atypes, "is_DP", .true., nMatches, MatchList)
558	<	if (nMatches .gt. 0) FF_uses_dipoles = .true.
557	>	call getMatchingElementList(atypes, "is_Dipole", .true., &
558	>	nMatches, MatchList)
559	>	if (nMatches .gt. 0) FF_uses_Dipoles = .true.
560
561	<	call getMatchingElementList(atypes, "is_Sticky", .true., nMatches, &
562	<	MatchList)
563	<	if (nMatches .gt. 0) FF_uses_Sticky = .true.
564	<
278	<	call getMatchingElementList(atypes, "is_GB", .true., nMatches, MatchList)
279	<	if (nMatches .gt. 0) FF_uses_GB = .true.
280	<
561	>	call getMatchingElementList(atypes, "is_GayBerne", .true., &
562	>	nMatches, MatchList)
563	>	if (nMatches .gt. 0) FF_uses_GayBerne = .true.
564	>
565		call getMatchingElementList(atypes, "is_EAM", .true., nMatches, MatchList)
566		if (nMatches .gt. 0) FF_uses_EAM = .true.
567	<
568	<	!! Assume sanity (for the sake of argument)
567	>
568	>
569		haveSaneForceField = .true.
570
571		!! check to make sure the FF_uses_RF setting makes sense
572	<
573	<	if (FF_uses_dipoles) then
572	>
573	>	if (FF_uses_Dipoles) then
574		if (FF_uses_RF) then
575		dielect = getDielect()
576		call initialize_rf(dielect)
577		endif
578		else
579	<	if (FF_uses_RF) then
579	>	if ((corrMethod == 3) .or. FF_uses_RF) then
580		write(default_error,*) 'Using Reaction Field with no dipoles?  Huh?'
581		thisStat = -1
582		haveSaneForceField = .false.
583		return
584		endif
301	–	endif
302	–
303	–	if (FF_uses_LJ) then
304	–
305	–	select case (LJMIXPOLICY)
306	–	case (LB_MIXING_RULE)
307	–	call init_lj_FF(LB_MIXING_RULE, my_status)
308	–	case (EXPLICIT_MIXING_RULE)
309	–	call init_lj_FF(EXPLICIT_MIXING_RULE, my_status)
310	–	case default
311	–	write(default_error,*) 'unknown LJ Mixing Policy!'
312	–	thisStat = -1
313	–	haveSaneForceField = .false.
314	–	return
315	–	end select
316	–	if (my_status /= 0) then
317	–	thisStat = -1
318	–	haveSaneForceField = .false.
319	–	return
320	–	end if
321	–	havePolicies = .true.
585		endif
586
324	–	if (FF_uses_sticky) then
325	–	call check_sticky_FF(my_status)
326	–	if (my_status /= 0) then
327	–	thisStat = -1
328	–	haveSaneForceField = .false.
329	–	return
330	–	end if
331	–	endif
332	–
333	–
587		if (FF_uses_EAM) then
588	<	call init_EAM_FF(my_status)
588	>	call init_EAM_FF(my_status)
589		if (my_status /= 0) then
590		write(default_error, *) "init_EAM_FF returned a bad status"
591		thisStat = -1
#	Line 341 | Line 594 | contains
594		end if
595		endif
596
597	<	if (FF_uses_GB) then
597	>	if (FF_uses_GayBerne) then
598		call check_gb_pair_FF(my_status)
599		if (my_status .ne. 0) then
600		thisStat = -1
#	Line 350 | Line 603 | contains
603		endif
604		endif
605
353	–	if (FF_uses_GB .and. FF_uses_LJ) then
354	–	endif
606		if (.not. haveNeighborList) then
607		!! Create neighbor lists
608		call expandNeighborList(nLocal, my_status)
#	Line 363 | Line 614 | contains
614		haveNeighborList = .true.
615		endif
616
366	–
367	–
617		end subroutine init_FF
369	–
618
619	+
620		!! Does force loop over i,j pairs. Calls do_pair to calculates forces.
621		!------------------------------------------------------------->
622	<	subroutine do_force_loop(q, q_group, A, u_l, f, t, tau, pot, &
622	>	subroutine do_force_loop(q, q_group, A, eFrame, f, t, tau, pot, &
623		do_pot_c, do_stress_c, error)
624		!! Position array provided by C, dimensioned by getNlocal
625		real ( kind = dp ), dimension(3, nLocal) :: q
#	Line 379 | Line 628 | contains
628		!! Rotation Matrix for each long range particle in simulation.
629		real( kind = dp), dimension(9, nLocal) :: A
630		!! Unit vectors for dipoles (lab frame)
631	<	real( kind = dp ), dimension(3,nLocal) :: u_l
631	>	real( kind = dp ), dimension(9,nLocal) :: eFrame
632		!! Force array provided by C, dimensioned by getNlocal
633		real ( kind = dp ), dimension(3,nLocal) :: f
634		!! Torsion array provided by C, dimensioned by getNlocal
#	Line 417 | Line 666 | contains
666		integer :: localError
667		integer :: propPack_i, propPack_j
668		integer :: loopStart, loopEnd, loop
669	<
669	>	integer :: iHash
670		real(kind=dp) :: listSkin = 1.0
671	<
671	>
672		!! initialize local variables
673	<
673	>
674		#ifdef IS_MPI
675		pot_local = 0.0_dp
676		nAtomsInRow   = getNatomsInRow(plan_atom_row)
#	Line 431 | Line 680 | contains
680		#else
681		natoms = nlocal
682		#endif
683	<
683	>
684		call doReadyCheck(localError)
685		if ( localError .ne. 0 ) then
686		call handleError("do_force_loop", "Not Initialized")
#	Line 439 | Line 688 | contains
688		return
689		end if
690		call zero_work_arrays()
691	<
691	>
692		do_pot = do_pot_c
693		do_stress = do_stress_c
694	<
694	>
695		! Gather all information needed by all force loops:
696	<
696	>
697		#ifdef IS_MPI
698	<
698	>
699		call gather(q, q_Row, plan_atom_row_3d)
700		call gather(q, q_Col, plan_atom_col_3d)
701
702		call gather(q_group, q_group_Row, plan_group_row_3d)
703		call gather(q_group, q_group_Col, plan_group_col_3d)
704	<
705	<	if (FF_UsesDirectionalAtoms() .and. SIM_uses_directional_atoms) then
706	<	call gather(u_l, u_l_Row, plan_atom_row_3d)
707	<	call gather(u_l, u_l_Col, plan_atom_col_3d)
708	<
704	>
705	>	if (FF_UsesDirectionalAtoms() .and. SIM_uses_DirectionalAtoms) then
706	>	call gather(eFrame, eFrame_Row, plan_atom_row_rotation)
707	>	call gather(eFrame, eFrame_Col, plan_atom_col_rotation)
708	>
709		call gather(A, A_Row, plan_atom_row_rotation)
710		call gather(A, A_Col, plan_atom_col_rotation)
711		endif
712	<
712	>
713		#endif
714	<
714	>
715		!! Begin force loop timing:
716		#ifdef PROFILE
717		call cpu_time(forceTimeInitial)
718		nloops = nloops + 1
719		#endif
720	<
720	>
721		loopEnd = PAIR_LOOP
722		if (FF_RequiresPrepairCalc() .and. SIM_requires_prepair_calc) then
723		loopStart = PREPAIR_LOOP
#	Line 483 | Line 732 | contains
732		if (loop .eq. loopStart) then
733		#ifdef IS_MPI
734		call checkNeighborList(nGroupsInRow, q_group_row, listSkin, &
735	<	update_nlist)
735	>	update_nlist)
736		#else
737		call checkNeighborList(nGroups, q_group, listSkin, &
738	<	update_nlist)
738	>	update_nlist)
739		#endif
740		endif
741	<
741	>
742		if (update_nlist) then
743		!! save current configuration and construct neighbor list
744		#ifdef IS_MPI
#	Line 500 | Line 749 | contains
749		neighborListSize = size(list)
750		nlist = 0
751		endif
752	<
752	>
753		istart = 1
754		#ifdef IS_MPI
755		iend = nGroupsInRow
#	Line 510 | Line 759 | contains
759		outer: do i = istart, iend
760
761		if (update_nlist) point(i) = nlist + 1
762	<
762	>
763		n_in_i = groupStartRow(i+1) - groupStartRow(i)
764	<
764	>
765		if (update_nlist) then
766		#ifdef IS_MPI
767		jstart = 1
#	Line 527 | Line 776 | contains
776		! make sure group i has neighbors
777		if (jstart .gt. jend) cycle outer
778		endif
779	<
779	>
780		do jnab = jstart, jend
781		if (update_nlist) then
782		j = jnab
#	Line 536 | Line 785 | contains
785		endif
786
787		#ifdef IS_MPI
788	+	me_j = atid_col(j)
789		call get_interatomic_vector(q_group_Row(:,i), &
790		q_group_Col(:,j), d_grp, rgrpsq)
791		#else
792	+	me_j = atid(j)
793		call get_interatomic_vector(q_group(:,i), &
794		q_group(:,j), d_grp, rgrpsq)
795		#endif
796
797	<	if (rgrpsq < rlistsq) then
797	>	if (rgrpsq < gtypeCutoffMap(groupToGtype(i),groupToGtype(j))%rListsq) then
798		if (update_nlist) then
799		nlist = nlist + 1
800	<
800	>
801		if (nlist > neighborListSize) then
802		#ifdef IS_MPI
803		call expandNeighborList(nGroupsInRow, listerror)
#	Line 560 | Line 811 | contains
811		end if
812		neighborListSize = size(list)
813		endif
814	<
814	>
815		list(nlist) = j
816		endif
817	<
817	>
818		if (loop .eq. PAIR_LOOP) then
819		vij = 0.0d0
820		fij(1:3) = 0.0d0
821		endif
822	<
822	>
823		call get_switch(rgrpsq, sw, dswdr, rgrp, group_switch, &
824		in_switching_region)
825	<
826	<	n_in_j = groupStartCol(j+1) - groupStartCol(j)
827	<
825	>
826	>	n_in_j = groupStartCol(j+1) - groupStartCol(j)
827	>
828		do ia = groupStartRow(i), groupStartRow(i+1)-1
829	<
829	>
830		atom1 = groupListRow(ia)
831	<
831	>
832		inner: do jb = groupStartCol(j), groupStartCol(j+1)-1
833	<
833	>
834		atom2 = groupListCol(jb)
835	<
835	>
836		if (skipThisPair(atom1, atom2)) cycle inner
837
838		if ((n_in_i .eq. 1).and.(n_in_j .eq. 1)) then
#	Line 601 | Line 852 | contains
852		#ifdef IS_MPI
853		call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
854		rgrpsq, d_grp, do_pot, do_stress, &
855	<	u_l, A, f, t, pot_local)
855	>	eFrame, A, f, t, pot_local)
856		#else
857		call do_prepair(atom1, atom2, ratmsq, d_atm, sw, &
858		rgrpsq, d_grp, do_pot, do_stress, &
859	<	u_l, A, f, t, pot)
859	>	eFrame, A, f, t, pot)
860		#endif
861		else
862		#ifdef IS_MPI
863		call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
864		do_pot, &
865	<	u_l, A, f, t, pot_local, vpair, fpair)
865	>	eFrame, A, f, t, pot_local, vpair, fpair)
866		#else
867		call do_pair(atom1, atom2, ratmsq, d_atm, sw, &
868		do_pot,  &
869	<	u_l, A, f, t, pot, vpair, fpair)
869	>	eFrame, A, f, t, pot, vpair, fpair)
870		#endif
871
872		vij = vij + vpair
#	Line 623 | Line 874 | contains
874		endif
875		enddo inner
876		enddo
877	<
877	>
878		if (loop .eq. PAIR_LOOP) then
879		if (in_switching_region) then
880		swderiv = vij*dswdr/rgrp
881		fij(1) = fij(1) + swderiv*d_grp(1)
882		fij(2) = fij(2) + swderiv*d_grp(2)
883		fij(3) = fij(3) + swderiv*d_grp(3)
884	<
884	>
885		do ia=groupStartRow(i), groupStartRow(i+1)-1
886		atom1=groupListRow(ia)
887		mf = mfactRow(atom1)
#	Line 644 | Line 895 | contains
895		f(3,atom1) = f(3,atom1) + swderiv*d_grp(3)*mf
896		#endif
897		enddo
898	<
898	>
899		do jb=groupStartCol(j), groupStartCol(j+1)-1
900		atom2=groupListCol(jb)
901		mf = mfactCol(atom2)
#	Line 659 | Line 910 | contains
910		#endif
911		enddo
912		endif
913	<
913	>
914		if (do_stress) call add_stress_tensor(d_grp, fij)
915		endif
916		end if
917		enddo
918		enddo outer
919	<
919	>
920		if (update_nlist) then
921		#ifdef IS_MPI
922		point(nGroupsInRow + 1) = nlist + 1
#	Line 679 | Line 930 | contains
930		update_nlist = .false.
931		endif
932		endif
933	<
933	>
934		if (loop .eq. PREPAIR_LOOP) then
935		call do_preforce(nlocal, pot)
936		endif
937	<
937	>
938		enddo
939	<
939	>
940		!! Do timing
941		#ifdef PROFILE
942		call cpu_time(forceTimeFinal)
943		forceTime = forceTime + forceTimeFinal - forceTimeInitial
944		#endif
945	<
945	>
946		#ifdef IS_MPI
947		!!distribute forces
948	<
948	>
949		f_temp = 0.0_dp
950		call scatter(f_Row,f_temp,plan_atom_row_3d)
951		do i = 1,nlocal
952		f(1:3,i) = f(1:3,i) + f_temp(1:3,i)
953		end do
954	<
954	>
955		f_temp = 0.0_dp
956		call scatter(f_Col,f_temp,plan_atom_col_3d)
957		do i = 1,nlocal
958		f(1:3,i) = f(1:3,i) + f_temp(1:3,i)
959		end do
960	<
961	<	if (FF_UsesDirectionalAtoms() .and. SIM_uses_directional_atoms) then
960	>
961	>	if (FF_UsesDirectionalAtoms() .and. SIM_uses_DirectionalAtoms) then
962		t_temp = 0.0_dp
963		call scatter(t_Row,t_temp,plan_atom_row_3d)
964		do i = 1,nlocal
#	Line 715 | Line 966 | contains
966		end do
967		t_temp = 0.0_dp
968		call scatter(t_Col,t_temp,plan_atom_col_3d)
969	<
969	>
970		do i = 1,nlocal
971		t(1:3,i) = t(1:3,i) + t_temp(1:3,i)
972		end do
973		endif
974	<
974	>
975		if (do_pot) then
976		! scatter/gather pot_row into the members of my column
977		call scatter(pot_Row, pot_Temp, plan_atom_row)
978	<
978	>
979		! scatter/gather pot_local into all other procs
980		! add resultant to get total pot
981		do i = 1, nlocal
982		pot_local = pot_local + pot_Temp(i)
983		enddo
984	<
984	>
985		pot_Temp = 0.0_DP
986	<
986	>
987		call scatter(pot_Col, pot_Temp, plan_atom_col)
988		do i = 1, nlocal
989		pot_local = pot_local + pot_Temp(i)
990		enddo
991	<
991	>
992		endif
993		#endif
994	<
994	>
995		if (FF_RequiresPostpairCalc() .and. SIM_requires_postpair_calc) then
996	<
997	<	if (FF_uses_RF .and. SIM_uses_RF) then
998	<
996	>
997	>	if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then
998	>
999		#ifdef IS_MPI
1000		call scatter(rf_Row,rf,plan_atom_row_3d)
1001		call scatter(rf_Col,rf_Temp,plan_atom_col_3d)
#	Line 752 | Line 1003 | contains
1003		rf(1:3,i) = rf(1:3,i) + rf_Temp(1:3,i)
1004		end do
1005		#endif
1006	<
1006	>
1007		do i = 1, nLocal
1008	<
1008	>
1009		rfpot = 0.0_DP
1010		#ifdef IS_MPI
1011		me_i = atid_row(i)
1012		#else
1013		me_i = atid(i)
1014		#endif
1015	+	iHash = InteractionHash(me_i,me_j)
1016
1017	<	if (PropertyMap(me_i)%is_DP) then
1018	<
1019	<	mu_i = PropertyMap(me_i)%dipole_moment
1020	<
1017	>	if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1018	>
1019	>	mu_i = getDipoleMoment(me_i)
1020	>
1021		!! The reaction field needs to include a self contribution
1022		!! to the field:
1023	<	call accumulate_self_rf(i, mu_i, u_l)
1023	>	call accumulate_self_rf(i, mu_i, eFrame)
1024		!! Get the reaction field contribution to the
1025		!! potential and torques:
1026	<	call reaction_field_final(i, mu_i, u_l, rfpot, t, do_pot)
1026	>	call reaction_field_final(i, mu_i, eFrame, rfpot, t, do_pot)
1027		#ifdef IS_MPI
1028		pot_local = pot_local + rfpot
1029		#else
1030		pot = pot + rfpot
1031	<
1031	>
1032		#endif
1033	<	endif
1033	>	endif
1034		enddo
1035		endif
1036		endif
1037	<
1038	<
1037	>
1038	>
1039		#ifdef IS_MPI
1040	<
1040	>
1041		if (do_pot) then
1042		pot = pot + pot_local
1043		!! we assume the c code will do the allreduce to get the total potential
1044		!! we could do it right here if we needed to...
1045		endif
1046	<
1046	>
1047		if (do_stress) then
1048		call mpi_allreduce(tau_Temp, tau, 9,mpi_double_precision,mpi_sum, &
1049		mpi_comm_world,mpi_err)
1050		call mpi_allreduce(virial_Temp, virial,1,mpi_double_precision,mpi_sum, &
1051		mpi_comm_world,mpi_err)
1052		endif
1053	<
1053	>
1054		#else
1055	<
1055	>
1056		if (do_stress) then
1057		tau = tau_Temp
1058		virial = virial_Temp
1059		endif
1060	<
1060	>
1061		#endif
1062	<
1062	>
1063		end subroutine do_force_loop
1064	<
1064	>
1065		subroutine do_pair(i, j, rijsq, d, sw, do_pot, &
1066	<	u_l, A, f, t, pot, vpair, fpair)
1066	>	eFrame, A, f, t, pot, vpair, fpair)
1067
1068		real( kind = dp ) :: pot, vpair, sw
1069		real( kind = dp ), dimension(3) :: fpair
1070		real( kind = dp ), dimension(nLocal)   :: mfact
1071	<	real( kind = dp ), dimension(3,nLocal) :: u_l
1071	>	real( kind = dp ), dimension(9,nLocal) :: eFrame
1072		real( kind = dp ), dimension(9,nLocal) :: A
1073		real( kind = dp ), dimension(3,nLocal) :: f
1074		real( kind = dp ), dimension(3,nLocal) :: t
#	Line 828 | Line 1080 | contains
1080		real ( kind = dp ), intent(inout) :: d(3)
1081		integer :: me_i, me_j
1082
1083	+	integer :: iHash
1084	+
1085		r = sqrt(rijsq)
1086		vpair = 0.0d0
1087		fpair(1:3) = 0.0d0
#	Line 839 | Line 1093 | contains
1093		me_i = atid(i)
1094		me_j = atid(j)
1095		#endif
842	–
843	–	if (FF_uses_LJ .and. SIM_uses_LJ) then
844	–
845	–	if ( PropertyMap(me_i)%is_LJ .and. PropertyMap(me_j)%is_LJ ) then
846	–	call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
847	–	endif
848	–
849	–	endif
850	–
851	–	if (FF_uses_charges .and. SIM_uses_charges) then
852	–
853	–	if (PropertyMap(me_i)%is_Charge .and. PropertyMap(me_j)%is_Charge) then
854	–	call do_charge_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
855	–	endif
856	–
857	–	endif
858	–
859	–	if (FF_uses_dipoles .and. SIM_uses_dipoles) then
860	–
861	–	if ( PropertyMap(me_i)%is_DP .and. PropertyMap(me_j)%is_DP) then
862	–	call do_dipole_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, u_l, f, t, &
863	–	do_pot)
864	–	if (FF_uses_RF .and. SIM_uses_RF) then
865	–	call accumulate_rf(i, j, r, u_l, sw)
866	–	call rf_correct_forces(i, j, d, r, u_l, sw, f, fpair)
867	–	endif
868	–	endif
1096
1097	+	iHash = InteractionHash(me_i, me_j)
1098	+
1099	+	if ( iand(iHash, LJ_PAIR).ne.0 ) then
1100	+	call do_lj_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, do_pot)
1101		endif
1102
1103	<	if (FF_uses_Sticky .and. SIM_uses_sticky) then
1103	>	if ( iand(iHash, ELECTROSTATIC_PAIR).ne.0 ) then
1104	>	call doElectrostaticPair(i, j, d, r, rijsq, sw, vpair, fpair, &
1105	>	pot, eFrame, f, t, do_pot, corrMethod, rcuti)
1106
1107	<	if ( PropertyMap(me_i)%is_Sticky .and. PropertyMap(me_j)%is_Sticky) then
1108	<	call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, A, f, t, &
1109	<	do_pot)
1107	>	if ((FF_uses_RF .and. SIM_uses_RF) .or. (corrMethod == 3)) then
1108	>
1109	>	! CHECK ME (RF needs to know about all electrostatic types)
1110	>	call accumulate_rf(i, j, r, eFrame, sw)
1111	>	call rf_correct_forces(i, j, d, r, eFrame, sw, f, fpair)
1112		endif
1113
1114		endif
1115
1116	+	if ( iand(iHash, STICKY_PAIR).ne.0 ) then
1117	+	call do_sticky_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1118	+	pot, A, f, t, do_pot)
1119	+	endif
1120
1121	<	if (FF_uses_GB .and. SIM_uses_GB) then
1122	<
1123	<	if ( PropertyMap(me_i)%is_GB .and. PropertyMap(me_j)%is_GB) then
1124	<	call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, u_l, f, t, &
886	<	do_pot)
887	<	endif
1121	>	if ( iand(iHash, STICKYPOWER_PAIR).ne.0 ) then
1122	>	call do_sticky_power_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1123	>	pot, A, f, t, do_pot)
1124	>	endif
1125
1126	+	if ( iand(iHash, GAYBERNE_PAIR).ne.0 ) then
1127	+	call do_gb_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1128	+	pot, A, f, t, do_pot)
1129		endif
1130	<
1131	<	if (FF_uses_EAM .and. SIM_uses_EAM) then
1132	<
1133	<	if ( PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) then
894	<	call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
895	<	do_pot)
896	<	endif
897	<
1130	>
1131	>	if ( iand(iHash, GAYBERNE_LJ).ne.0 ) then
1132	>	!      call do_gblj_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1133	>	!           pot, A, f, t, do_pot)
1134		endif
1135	+
1136	+	if ( iand(iHash, EAM_PAIR).ne.0 ) then
1137	+	call do_eam_pair(i, j, d, r, rijsq, sw, vpair, fpair, pot, f, &
1138	+	do_pot)
1139	+	endif
1140	+
1141	+	if ( iand(iHash, SHAPE_PAIR).ne.0 ) then
1142	+	call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1143	+	pot, A, f, t, do_pot)
1144	+	endif
1145	+
1146	+	if ( iand(iHash, SHAPE_LJ).ne.0 ) then
1147	+	call do_shape_pair(i, j, d, r, rijsq, sw, vpair, fpair, &
1148	+	pot, A, f, t, do_pot)
1149	+	endif
1150
1151		end subroutine do_pair
1152
1153		subroutine do_prepair(i, j, rijsq, d, sw, rcijsq, dc, &
1154	<	do_pot, do_stress, u_l, A, f, t, pot)
1154	>	do_pot, do_stress, eFrame, A, f, t, pot)
1155
1156	<	real( kind = dp ) :: pot, sw
1157	<	real( kind = dp ), dimension(3,nLocal) :: u_l
1158	<	real (kind=dp), dimension(9,nLocal) :: A
1159	<	real (kind=dp), dimension(3,nLocal) :: f
1160	<	real (kind=dp), dimension(3,nLocal) :: t
910	<
911	<	logical, intent(inout) :: do_pot, do_stress
912	<	integer, intent(in) :: i, j
913	<	real ( kind = dp ), intent(inout)    :: rijsq, rcijsq
914	<	real ( kind = dp )                :: r, rc
915	<	real ( kind = dp ), intent(inout) :: d(3), dc(3)
916	<
917	<	logical :: is_EAM_i, is_EAM_j
918	<
919	<	integer :: me_i, me_j
920	<
1156	>	real( kind = dp ) :: pot, sw
1157	>	real( kind = dp ), dimension(9,nLocal) :: eFrame
1158	>	real (kind=dp), dimension(9,nLocal) :: A
1159	>	real (kind=dp), dimension(3,nLocal) :: f
1160	>	real (kind=dp), dimension(3,nLocal) :: t
1161
1162	+	logical, intent(inout) :: do_pot, do_stress
1163	+	integer, intent(in) :: i, j
1164	+	real ( kind = dp ), intent(inout)    :: rijsq, rcijsq
1165	+	real ( kind = dp )                :: r, rc
1166	+	real ( kind = dp ), intent(inout) :: d(3), dc(3)
1167	+
1168	+	integer :: me_i, me_j, iHash
1169	+
1170		r = sqrt(rijsq)
923	–	if (SIM_uses_molecular_cutoffs) then
924	–	rc = sqrt(rcijsq)
925	–	else
926	–	rc = r
927	–	endif
928	–
1171
1172		#ifdef IS_MPI
1173	<	me_i = atid_row(i)
1174	<	me_j = atid_col(j)
1173	>	me_i = atid_row(i)
1174	>	me_j = atid_col(j)
1175		#else
1176	<	me_i = atid(i)
1177	<	me_j = atid(j)
1176	>	me_i = atid(i)
1177	>	me_j = atid(j)
1178		#endif
1179	<
1180	<	if (FF_uses_EAM .and. SIM_uses_EAM) then
1181	<
1182	<	if (PropertyMap(me_i)%is_EAM .and. PropertyMap(me_j)%is_EAM) &
1183	<	call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1184	<
1185	<	endif
1186	<
1187	<	end subroutine do_prepair
1188	<
1189	<
1190	<	subroutine do_preforce(nlocal,pot)
1191	<	integer :: nlocal
1192	<	real( kind = dp ) :: pot
1193	<
1194	<	if (FF_uses_EAM .and. SIM_uses_EAM) then
1195	<	call calc_EAM_preforce_Frho(nlocal,pot)
1196	<	endif
1197	<
1198	<
1199	<	end subroutine do_preforce
1200	<
1201	<
1202	<	subroutine get_interatomic_vector(q_i, q_j, d, r_sq)
1203	<
1204	<	real (kind = dp), dimension(3) :: q_i
1205	<	real (kind = dp), dimension(3) :: q_j
1206	<	real ( kind = dp ), intent(out) :: r_sq
1207	<	real( kind = dp ) :: d(3), scaled(3)
1208	<	integer i
1209	<
1210	<	d(1:3) = q_j(1:3) - q_i(1:3)
1211	<
1212	<	! Wrap back into periodic box if necessary
1213	<	if ( SIM_uses_PBC ) then
1214	<
1215	<	if( .not.boxIsOrthorhombic ) then
1216	<	! calc the scaled coordinates.
1217	<
1218	<	scaled = matmul(HmatInv, d)
1219	<
1220	<	! wrap the scaled coordinates
1221	<
1222	<	scaled = scaled  - anint(scaled)
1223	<
1224	<
1225	<	! calc the wrapped real coordinates from the wrapped scaled
1226	<	! coordinates
1227	<
1228	<	d = matmul(Hmat,scaled)
1229	<
1230	<	else
1231	<	! calc the scaled coordinates.
1232	<
1233	<	do i = 1, 3
1234	<	scaled(i) = d(i) * HmatInv(i,i)
1235	<
1236	<	! wrap the scaled coordinates
1237	<
1238	<	scaled(i) = scaled(i) - anint(scaled(i))
1239	<
1240	<	! calc the wrapped real coordinates from the wrapped scaled
1241	<	! coordinates
1242	<
1243	<	d(i) = scaled(i)*Hmat(i,i)
1244	<	enddo
1245	<	endif
1246	<
1247	<	endif
1248	<
1249	<	r_sq = dot_product(d,d)
1250	<
1251	<	end subroutine get_interatomic_vector
1252	<
1253	<	subroutine zero_work_arrays()
1012	<
1179	>
1180	>	iHash = InteractionHash(me_i, me_j)
1181	>
1182	>	if ( iand(iHash, EAM_PAIR).ne.0 ) then
1183	>	call calc_EAM_prepair_rho(i, j, d, r, rijsq )
1184	>	endif
1185	>
1186	>	end subroutine do_prepair
1187	>
1188	>
1189	>	subroutine do_preforce(nlocal,pot)
1190	>	integer :: nlocal
1191	>	real( kind = dp ) :: pot
1192	>
1193	>	if (FF_uses_EAM .and. SIM_uses_EAM) then
1194	>	call calc_EAM_preforce_Frho(nlocal,pot)
1195	>	endif
1196	>
1197	>
1198	>	end subroutine do_preforce
1199	>
1200	>
1201	>	subroutine get_interatomic_vector(q_i, q_j, d, r_sq)
1202	>
1203	>	real (kind = dp), dimension(3) :: q_i
1204	>	real (kind = dp), dimension(3) :: q_j
1205	>	real ( kind = dp ), intent(out) :: r_sq
1206	>	real( kind = dp ) :: d(3), scaled(3)
1207	>	integer i
1208	>
1209	>	d(1:3) = q_j(1:3) - q_i(1:3)
1210	>
1211	>	! Wrap back into periodic box if necessary
1212	>	if ( SIM_uses_PBC ) then
1213	>
1214	>	if( .not.boxIsOrthorhombic ) then
1215	>	! calc the scaled coordinates.
1216	>
1217	>	scaled = matmul(HmatInv, d)
1218	>
1219	>	! wrap the scaled coordinates
1220	>
1221	>	scaled = scaled  - anint(scaled)
1222	>
1223	>
1224	>	! calc the wrapped real coordinates from the wrapped scaled
1225	>	! coordinates
1226	>
1227	>	d = matmul(Hmat,scaled)
1228	>
1229	>	else
1230	>	! calc the scaled coordinates.
1231	>
1232	>	do i = 1, 3
1233	>	scaled(i) = d(i) * HmatInv(i,i)
1234	>
1235	>	! wrap the scaled coordinates
1236	>
1237	>	scaled(i) = scaled(i) - anint(scaled(i))
1238	>
1239	>	! calc the wrapped real coordinates from the wrapped scaled
1240	>	! coordinates
1241	>
1242	>	d(i) = scaled(i)*Hmat(i,i)
1243	>	enddo
1244	>	endif
1245	>
1246	>	endif
1247	>
1248	>	r_sq = dot_product(d,d)
1249	>
1250	>	end subroutine get_interatomic_vector
1251	>
1252	>	subroutine zero_work_arrays()
1253	>
1254		#ifdef IS_MPI
1014	–
1015	–	q_Row = 0.0_dp
1016	–	q_Col = 0.0_dp
1255
1256	<	q_group_Row = 0.0_dp
1257	<	q_group_Col = 0.0_dp
1258	<
1259	<	u_l_Row = 0.0_dp
1260	<	u_l_Col = 0.0_dp
1261	<
1262	<	A_Row = 0.0_dp
1263	<	A_Col = 0.0_dp
1264	<
1265	<	f_Row = 0.0_dp
1266	<	f_Col = 0.0_dp
1267	<	f_Temp = 0.0_dp
1268	<
1269	<	t_Row = 0.0_dp
1270	<	t_Col = 0.0_dp
1271	<	t_Temp = 0.0_dp
1272	<
1273	<	pot_Row = 0.0_dp
1274	<	pot_Col = 0.0_dp
1275	<	pot_Temp = 0.0_dp
1276	<
1277	<	rf_Row = 0.0_dp
1278	<	rf_Col = 0.0_dp
1279	<	rf_Temp = 0.0_dp
1280	<
1256	>	q_Row = 0.0_dp
1257	>	q_Col = 0.0_dp
1258	>
1259	>	q_group_Row = 0.0_dp
1260	>	q_group_Col = 0.0_dp
1261	>
1262	>	eFrame_Row = 0.0_dp
1263	>	eFrame_Col = 0.0_dp
1264	>
1265	>	A_Row = 0.0_dp
1266	>	A_Col = 0.0_dp
1267	>
1268	>	f_Row = 0.0_dp
1269	>	f_Col = 0.0_dp
1270	>	f_Temp = 0.0_dp
1271	>
1272	>	t_Row = 0.0_dp
1273	>	t_Col = 0.0_dp
1274	>	t_Temp = 0.0_dp
1275	>
1276	>	pot_Row = 0.0_dp
1277	>	pot_Col = 0.0_dp
1278	>	pot_Temp = 0.0_dp
1279	>
1280	>	rf_Row = 0.0_dp
1281	>	rf_Col = 0.0_dp
1282	>	rf_Temp = 0.0_dp
1283	>
1284		#endif
1285	<
1286	<	if (FF_uses_EAM .and. SIM_uses_EAM) then
1287	<	call clean_EAM()
1288	<	endif
1289	<
1290	<	rf = 0.0_dp
1291	<	tau_Temp = 0.0_dp
1292	<	virial_Temp = 0.0_dp
1293	<	end subroutine zero_work_arrays
1294	<
1295	<	function skipThisPair(atom1, atom2) result(skip_it)
1296	<	integer, intent(in) :: atom1
1297	<	integer, intent(in), optional :: atom2
1298	<	logical :: skip_it
1299	<	integer :: unique_id_1, unique_id_2
1300	<	integer :: me_i,me_j
1301	<	integer :: i
1302	<
1303	<	skip_it = .false.
1304	<
1305	<	!! there are a number of reasons to skip a pair or a particle
1306	<	!! mostly we do this to exclude atoms who are involved in short
1307	<	!! range interactions (bonds, bends, torsions), but we also need
1308	<	!! to exclude some overcounted interactions that result from
1309	<	!! the parallel decomposition
1310	<
1285	>
1286	>	if (FF_uses_EAM .and. SIM_uses_EAM) then
1287	>	call clean_EAM()
1288	>	endif
1289	>
1290	>	rf = 0.0_dp
1291	>	tau_Temp = 0.0_dp
1292	>	virial_Temp = 0.0_dp
1293	>	end subroutine zero_work_arrays
1294	>
1295	>	function skipThisPair(atom1, atom2) result(skip_it)
1296	>	integer, intent(in) :: atom1
1297	>	integer, intent(in), optional :: atom2
1298	>	logical :: skip_it
1299	>	integer :: unique_id_1, unique_id_2
1300	>	integer :: me_i,me_j
1301	>	integer :: i
1302	>
1303	>	skip_it = .false.
1304	>
1305	>	!! there are a number of reasons to skip a pair or a particle
1306	>	!! mostly we do this to exclude atoms who are involved in short
1307	>	!! range interactions (bonds, bends, torsions), but we also need
1308	>	!! to exclude some overcounted interactions that result from
1309	>	!! the parallel decomposition
1310	>
1311		#ifdef IS_MPI
1312	<	!! in MPI, we have to look up the unique IDs for each atom
1313	<	unique_id_1 = AtomRowToGlobal(atom1)
1312	>	!! in MPI, we have to look up the unique IDs for each atom
1313	>	unique_id_1 = AtomRowToGlobal(atom1)
1314		#else
1315	<	!! in the normal loop, the atom numbers are unique
1316	<	unique_id_1 = atom1
1315	>	!! in the normal loop, the atom numbers are unique
1316	>	unique_id_1 = atom1
1317		#endif
1318	<
1319	<	!! We were called with only one atom, so just check the global exclude
1320	<	!! list for this atom
1321	<	if (.not. present(atom2)) then
1322	<	do i = 1, nExcludes_global
1323	<	if (excludesGlobal(i) == unique_id_1) then
1324	<	skip_it = .true.
1325	<	return
1326	<	end if
1327	<	end do
1328	<	return
1329	<	end if
1330	<
1318	>
1319	>	!! We were called with only one atom, so just check the global exclude
1320	>	!! list for this atom
1321	>	if (.not. present(atom2)) then
1322	>	do i = 1, nExcludes_global
1323	>	if (excludesGlobal(i) == unique_id_1) then
1324	>	skip_it = .true.
1325	>	return
1326	>	end if
1327	>	end do
1328	>	return
1329	>	end if
1330	>
1331		#ifdef IS_MPI
1332	<	unique_id_2 = AtomColToGlobal(atom2)
1332	>	unique_id_2 = AtomColToGlobal(atom2)
1333		#else
1334	<	unique_id_2 = atom2
1334	>	unique_id_2 = atom2
1335		#endif
1336	<
1336	>
1337		#ifdef IS_MPI
1338	<	!! this situation should only arise in MPI simulations
1339	<	if (unique_id_1 == unique_id_2) then
1340	<	skip_it = .true.
1341	<	return
1342	<	end if
1343	<
1344	<	!! this prevents us from doing the pair on multiple processors
1345	<	if (unique_id_1 < unique_id_2) then
1346	<	if (mod(unique_id_1 + unique_id_2,2) == 0) then
1347	<	skip_it = .true.
1348	<	return
1349	<	endif
1350	<	else
1351	<	if (mod(unique_id_1 + unique_id_2,2) == 1) then
1352	<	skip_it = .true.
1353	<	return
1354	<	endif
1355	<	endif
1338	>	!! this situation should only arise in MPI simulations
1339	>	if (unique_id_1 == unique_id_2) then
1340	>	skip_it = .true.
1341	>	return
1342	>	end if
1343	>
1344	>	!! this prevents us from doing the pair on multiple processors
1345	>	if (unique_id_1 < unique_id_2) then
1346	>	if (mod(unique_id_1 + unique_id_2,2) == 0) then
1347	>	skip_it = .true.
1348	>	return
1349	>	endif
1350	>	else
1351	>	if (mod(unique_id_1 + unique_id_2,2) == 1) then
1352	>	skip_it = .true.
1353	>	return
1354	>	endif
1355	>	endif
1356		#endif
1357	<
1358	<	!! the rest of these situations can happen in all simulations:
1359	<	do i = 1, nExcludes_global
1360	<	if ((excludesGlobal(i) == unique_id_1) .or. &
1361	<	(excludesGlobal(i) == unique_id_2)) then
1362	<	skip_it = .true.
1363	<	return
1364	<	endif
1365	<	enddo
1366	<
1367	<	do i = 1, nSkipsForAtom(atom1)
1368	<	if (skipsForAtom(atom1, i) .eq. unique_id_2) then
1369	<	skip_it = .true.
1370	<	return
1371	<	endif
1372	<	end do
1373	<
1374	<	return
1375	<	end function skipThisPair
1376	<
1377	<	function FF_UsesDirectionalAtoms() result(doesit)
1378	<	logical :: doesit
1379	<	doesit = FF_uses_dipoles .or. FF_uses_sticky .or. &
1380	<	FF_uses_GB .or. FF_uses_RF
1381	<	end function FF_UsesDirectionalAtoms
1382	<
1383	<	function FF_RequiresPrepairCalc() result(doesit)
1384	<	logical :: doesit
1385	<	doesit = FF_uses_EAM
1386	<	end function FF_RequiresPrepairCalc
1387	<
1388	<	function FF_RequiresPostpairCalc() result(doesit)
1389	<	logical :: doesit
1390	<	doesit = FF_uses_RF
1391	<	end function FF_RequiresPostpairCalc
1392	<
1357	>
1358	>	!! the rest of these situations can happen in all simulations:
1359	>	do i = 1, nExcludes_global
1360	>	if ((excludesGlobal(i) == unique_id_1) .or. &
1361	>	(excludesGlobal(i) == unique_id_2)) then
1362	>	skip_it = .true.
1363	>	return
1364	>	endif
1365	>	enddo
1366	>
1367	>	do i = 1, nSkipsForAtom(atom1)
1368	>	if (skipsForAtom(atom1, i) .eq. unique_id_2) then
1369	>	skip_it = .true.
1370	>	return
1371	>	endif
1372	>	end do
1373	>
1374	>	return
1375	>	end function skipThisPair
1376	>
1377	>	function FF_UsesDirectionalAtoms() result(doesit)
1378	>	logical :: doesit
1379	>	doesit = FF_uses_DirectionalAtoms
1380	>	end function FF_UsesDirectionalAtoms
1381	>
1382	>	function FF_RequiresPrepairCalc() result(doesit)
1383	>	logical :: doesit
1384	>	doesit = FF_uses_EAM
1385	>	end function FF_RequiresPrepairCalc
1386	>
1387	>	function FF_RequiresPostpairCalc() result(doesit)
1388	>	logical :: doesit
1389	>	doesit = FF_uses_RF
1390	>	if (corrMethod == 3) doesit = .true.
1391	>	end function FF_RequiresPostpairCalc
1392	>
1393		#ifdef PROFILE
1394	<	function getforcetime() result(totalforcetime)
1395	<	real(kind=dp) :: totalforcetime
1396	<	totalforcetime = forcetime
1397	<	end function getforcetime
1394	>	function getforcetime() result(totalforcetime)
1395	>	real(kind=dp) :: totalforcetime
1396	>	totalforcetime = forcetime
1397	>	end function getforcetime
1398		#endif
1158	–
1159	–	!! This cleans componets of force arrays belonging only to fortran
1399
1400	<	subroutine add_stress_tensor(dpair, fpair)
1162	<
1163	<	real( kind = dp ), dimension(3), intent(in) :: dpair, fpair
1164	<
1165	<	! because the d vector is the rj - ri vector, and
1166	<	! because fx, fy, fz are the force on atom i, we need a
1167	<	! negative sign here:
1168	<
1169	<	tau_Temp(1) = tau_Temp(1) - dpair(1) * fpair(1)
1170	<	tau_Temp(2) = tau_Temp(2) - dpair(1) * fpair(2)
1171	<	tau_Temp(3) = tau_Temp(3) - dpair(1) * fpair(3)
1172	<	tau_Temp(4) = tau_Temp(4) - dpair(2) * fpair(1)
1173	<	tau_Temp(5) = tau_Temp(5) - dpair(2) * fpair(2)
1174	<	tau_Temp(6) = tau_Temp(6) - dpair(2) * fpair(3)
1175	<	tau_Temp(7) = tau_Temp(7) - dpair(3) * fpair(1)
1176	<	tau_Temp(8) = tau_Temp(8) - dpair(3) * fpair(2)
1177	<	tau_Temp(9) = tau_Temp(9) - dpair(3) * fpair(3)
1178	<
1179	<	virial_Temp = virial_Temp + &
1180	<	(tau_Temp(1) + tau_Temp(5) + tau_Temp(9))
1181	<
1182	<	end subroutine add_stress_tensor
1183	<
1184	<	end module doForces
1400	>	!! This cleans componets of force arrays belonging only to fortran
1401
1402	<	!! Interfaces for C programs to module....
1402	>	subroutine add_stress_tensor(dpair, fpair)
1403
1404	<	subroutine initFortranFF(LJMIXPOLICY, use_RF_c, thisStat)
1189	<	use doForces, ONLY: init_FF
1190	<	integer, intent(in) :: LJMIXPOLICY
1191	<	logical, intent(in) :: use_RF_c
1404	>	real( kind = dp ), dimension(3), intent(in) :: dpair, fpair
1405
1406	<	integer, intent(out) :: thisStat
1407	<	call init_FF(LJMIXPOLICY, use_RF_c, thisStat)
1406	>	! because the d vector is the rj - ri vector, and
1407	>	! because fx, fy, fz are the force on atom i, we need a
1408	>	! negative sign here:
1409
1410	<	end subroutine initFortranFF
1410	>	tau_Temp(1) = tau_Temp(1) - dpair(1) * fpair(1)
1411	>	tau_Temp(2) = tau_Temp(2) - dpair(1) * fpair(2)
1412	>	tau_Temp(3) = tau_Temp(3) - dpair(1) * fpair(3)
1413	>	tau_Temp(4) = tau_Temp(4) - dpair(2) * fpair(1)
1414	>	tau_Temp(5) = tau_Temp(5) - dpair(2) * fpair(2)
1415	>	tau_Temp(6) = tau_Temp(6) - dpair(2) * fpair(3)
1416	>	tau_Temp(7) = tau_Temp(7) - dpair(3) * fpair(1)
1417	>	tau_Temp(8) = tau_Temp(8) - dpair(3) * fpair(2)
1418	>	tau_Temp(9) = tau_Temp(9) - dpair(3) * fpair(3)
1419
1420	<	subroutine doForceloop(q, q_group, A, u_l, f, t, tau, pot, &
1421	<	do_pot_c, do_stress_c, error)
1200	<
1201	<	use definitions, ONLY: dp
1202	<	use simulation
1203	<	use doForces, ONLY: do_force_loop
1204	<	!! Position array provided by C, dimensioned by getNlocal
1205	<	real ( kind = dp ), dimension(3, nLocal) :: q
1206	<	!! molecular center-of-mass position array
1207	<	real ( kind = dp ), dimension(3, nGroups) :: q_group
1208	<	!! Rotation Matrix for each long range particle in simulation.
1209	<	real( kind = dp), dimension(9, nLocal) :: A
1210	<	!! Unit vectors for dipoles (lab frame)
1211	<	real( kind = dp ), dimension(3,nLocal) :: u_l
1212	<	!! Force array provided by C, dimensioned by getNlocal
1213	<	real ( kind = dp ), dimension(3,nLocal) :: f
1214	<	!! Torsion array provided by C, dimensioned by getNlocal
1215	<	real( kind = dp ), dimension(3,nLocal) :: t
1420	>	virial_Temp = virial_Temp + &
1421	>	(tau_Temp(1) + tau_Temp(5) + tau_Temp(9))
1422
1423	<	!! Stress Tensor
1424	<	real( kind = dp), dimension(9) :: tau
1425	<	real ( kind = dp ) :: pot
1220	<	logical ( kind = 2) :: do_pot_c, do_stress_c
1221	<	integer :: error
1222	<
1223	<	call do_force_loop(q, q_group, A, u_l, f, t, tau, pot, &
1224	<	do_pot_c, do_stress_c, error)
1225	<
1226	<	end subroutine doForceloop
1423	>	end subroutine add_stress_tensor
1424	>
1425	>	end module doForces

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