git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@7873 f3b2605a-c512-4ea7-a41b-209d697bcdaa

This commit is contained in:
sjplimp 2012-03-01 16:48:08 +00:00
parent c6dae6c514
commit 3fb19bcea6
8 changed files with 465 additions and 440 deletions

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@ -90,6 +90,7 @@ void PairLJCutCoulLongTIP4P::compute(int eflag, int vflag)
double *special_lj = force->special_lj; double *special_lj = force->special_lj;
int newton_pair = force->newton_pair; int newton_pair = force->newton_pair;
double qqrd2e = force->qqrd2e; double qqrd2e = force->qqrd2e;
double cut_coulsqplus = (cut_coul+2.0*qdist) * (cut_coul+2.0*qdist);
inum = list->inum; inum = list->inum;
ilist = list->ilist; ilist = list->ilist;
@ -124,7 +125,7 @@ void PairLJCutCoulLongTIP4P::compute(int eflag, int vflag)
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
jtype = type[j]; jtype = type[j];
// LJ interation based on true rsq // LJ interaction based on true rsq
if (rsq < cut_ljsq[itype][jtype]) { if (rsq < cut_ljsq[itype][jtype]) {
r2inv = 1.0/rsq; r2inv = 1.0/rsq;
@ -150,6 +151,9 @@ void PairLJCutCoulLongTIP4P::compute(int eflag, int vflag)
} }
// adjust rsq and delxyz for off-site O charge(s) if necessary // adjust rsq and delxyz for off-site O charge(s) if necessary
// but only if they are within reach
if (rsq < cut_coulsqplus) {
if (itype == typeO || jtype == typeO) { if (itype == typeO || jtype == typeO) {
if (jtype == typeO) { if (jtype == typeO) {
@ -356,6 +360,7 @@ void PairLJCutCoulLongTIP4P::compute(int eflag, int vflag)
} }
} }
} }
}
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -401,6 +406,7 @@ void PairLJCutCoulLongTIP4P::init_style()
error->all(FLERR, error->all(FLERR,
"Pair style lj/cut/coul/long/tip4p requires atom attribute q"); "Pair style lj/cut/coul/long/tip4p requires atom attribute q");
if ( (strcmp(force->kspace_style,"pppm/tip4p") != 0) && if ( (strcmp(force->kspace_style,"pppm/tip4p") != 0) &&
(strcmp(force->kspace_style,"pppm/tip4p/omp") != 0) &&
(strcmp(force->kspace_style,"pppm/tip4p/proxy") != 0) ) (strcmp(force->kspace_style,"pppm/tip4p/proxy") != 0) )
error->all(FLERR,"Pair style is incompatible with KSpace style"); error->all(FLERR,"Pair style is incompatible with KSpace style");
if (force->bond == NULL) if (force->bond == NULL)

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@ -20,6 +20,8 @@ PACKAGE = asphere class2 colloid dipole fld gpu granular kim \
PACKUSER = user-misc user-atc user-awpmd user-cg-cmm \ PACKUSER = user-misc user-atc user-awpmd user-cg-cmm \
user-cuda user-eff user-ewaldn user-omp user-reaxc user-sph user-cuda user-eff user-ewaldn user-omp user-reaxc user-sph
PACKLIB = gpu kim meam poems reax user-atc user-awpmd user-cuda
PACKALL = $(PACKAGE) $(PACKUSER) PACKALL = $(PACKAGE) $(PACKUSER)
PACKAGEUC = $(shell echo $(PACKAGE) | tr a-z A-Z) PACKAGEUC = $(shell echo $(PACKAGE) | tr a-z A-Z)
@ -48,6 +50,7 @@ help:
@echo 'make no-standard remove all standard packages' @echo 'make no-standard remove all standard packages'
@echo 'make yes-user install all user packages' @echo 'make yes-user install all user packages'
@echo 'make no-user remove all user packages' @echo 'make no-user remove all user packages'
@echo 'make no-lib remove all packages with external libs'
@echo '' @echo ''
@echo 'make package-update replace src files with package files' @echo 'make package-update replace src files with package files'
@echo 'make package-overwrite replace package files with src files' @echo 'make package-overwrite replace package files with src files'
@ -132,6 +135,7 @@ package:
@echo 'make no-standard remove all standard packages' @echo 'make no-standard remove all standard packages'
@echo 'make yes-user install all user packages' @echo 'make yes-user install all user packages'
@echo 'make no-user remove all user packages' @echo 'make no-user remove all user packages'
@echo 'make no-lib remove all packages with external libs'
@echo '' @echo ''
@echo 'make package-update replace src files with package files' @echo 'make package-update replace src files with package files'
@echo 'make package-overwrite replace package files with src files' @echo 'make package-overwrite replace package files with src files'
@ -155,6 +159,9 @@ yes-user:
no-user: no-user:
@for p in $(PACKUSER); do $(MAKE) no-$$p; done @for p in $(PACKUSER); do $(MAKE) no-$$p; done
no-lib:
@for p in $(PACKLIB); do $(MAKE) no-$$p; done
yes-%: yes-%:
@if [ ! -e Makefile.package ]; \ @if [ ! -e Makefile.package ]; \
then cp Makefile.package.empty Makefile.package; fi then cp Makefile.package.empty Makefile.package; fi

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@ -77,8 +77,8 @@ void PairLJCutCoulLongTIP4POpt::compute(int eflag, int vflag)
} }
// cache corrected M positions in mpos[] // cache corrected M positions in mpos[]
double **x = atom->x; const double * const * const x = atom->x;
int *type = atom->type; const int * const type = atom->type;
for (int i = 0; i < nlocal; i++) { for (int i = 0; i < nlocal; i++) {
if (type[i] == typeO) { if (type[i] == typeO) {
find_M(i,h1idx[i],h2idx[i],mpos[i]); find_M(i,h1idx[i],h2idx[i],mpos[i]);
@ -101,56 +101,30 @@ void PairLJCutCoulLongTIP4POpt::compute(int eflag, int vflag)
if (!ncoultablebits) { if (!ncoultablebits) {
if (evflag) { if (evflag) {
if (eflag) { if (eflag) {
if (vflag) { if (vflag) return eval<1,1,1,1>();
if (force->newton_pair) return eval<1,1,1,1,0>(); else return eval<1,1,1,0>();
else return eval<1,1,1,0,0>();
} else { } else {
if (force->newton_pair) return eval<1,1,0,1,0>(); if (vflag) return eval<1,1,0,1>();
else return eval<1,1,0,0,0>(); else return eval<1,1,0,0>();
}
} else {
if (vflag) {
if (force->newton_pair) return eval<1,0,1,1,0>();
else return eval<1,0,1,0,0>();
} else {
if (force->newton_pair) return eval<1,0,0,1,0>();
else return eval<1,0,0,0,0>();
}
}
} else {
if (force->newton_pair) return eval<0,0,0,1,0>();
else return eval<0,0,0,0,0>();
} }
} else return eval<1,0,0,0>();
} else { } else {
if (evflag) { if (evflag) {
if (eflag) { if (eflag) {
if (vflag) { if (vflag) return eval<0,1,1,1>();
if (force->newton_pair) return eval<1,1,1,1,1>(); else return eval<0,1,1,0>();
else return eval<1,1,1,0,1>();
} else { } else {
if (force->newton_pair) return eval<1,1,0,1,1>(); if (vflag) return eval<0,1,0,1>();
else return eval<1,1,0,0,1>(); else return eval<0,1,0,0>();
}
} else {
if (vflag) {
if (force->newton_pair) return eval<1,0,1,1,1>();
else return eval<1,0,1,0,1>();
} else {
if (force->newton_pair) return eval<1,0,0,1,1>();
else return eval<1,0,0,0,1>();
}
}
} else {
if (force->newton_pair) return eval<0,0,0,1,1>();
else return eval<0,0,0,0,1>();
} }
} else return eval<0,0,0,0>();
} }
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
template < const int EVFLAG, const int EFLAG, const int VFLAG, template < const int CTABLE, const int EVFLAG,
const int NEWTON_PAIR, const int CTABLE > const int EFLAG, const int VFLAG>
void PairLJCutCoulLongTIP4POpt::eval() void PairLJCutCoulLongTIP4POpt::eval()
{ {
int i,j,ii,jj,inum,jnum,itype,jtype,itable; int i,j,ii,jj,inum,jnum,itype,jtype,itable;
@ -158,27 +132,27 @@ void PairLJCutCoulLongTIP4POpt::eval()
int iH1,iH2,jH1,jH2; int iH1,iH2,jH1,jH2;
double qtmp,xtmp,ytmp,ztmp,delx,dely,delz,evdwl,ecoul; double qtmp,xtmp,ytmp,ztmp,delx,dely,delz,evdwl,ecoul;
double fraction,table; double fraction,table;
double delxOM, delyOM, delzOM; double delxOM,delyOM,delzOM;
double r,r2inv,r6inv,forcecoul,forcelj,cforce; double r,rsq,r2inv,r6inv,forcecoul,forcelj,cforce;
double factor_coul,factor_lj; double factor_coul,factor_lj;
double grij,expm2,prefactor,t,erfc,ddotf; double grij,expm2,prefactor,t,erfc,ddotf;
double v[6],xH1[3],xH2[3]; double v[6],xH1[3],xH2[3];
double fdx,fdy,fdz,f1x,f1y,f1z,fOx,fOy,fOz,fHx,fHy,fHz; double fdx,fdy,fdz,f1x,f1y,f1z,fOx,fOy,fOz,fHx,fHy,fHz;
double *x1,*x2; double *x1,*x2;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist,*jlist,*numneigh,**firstneigh;
double rsq;
evdwl = ecoul = 0.0; evdwl = ecoul = 0.0;
double **f = atom->f; const double * const * const x = atom->x;
double **x = atom->x; double * const * const f = atom->f;
double *q = atom->q; const double * const q = atom->q;
int *type = atom->type; const int * const type = atom->type;
int nlocal = atom->nlocal; const int nlocal = atom->nlocal;
double *special_coul = force->special_coul; const double * const special_coul = force->special_coul;
double *special_lj = force->special_lj; const double * const special_lj = force->special_lj;
int newton_pair = force->newton_pair; const double qqrd2e = force->qqrd2e;
double qqrd2e = force->qqrd2e; const double cut_coulsqplus = (cut_coul+2.0*qdist) * (cut_coul+2.0*qdist);
double fxtmp,fytmp,fztmp; double fxtmp,fytmp,fztmp;
inum = list->inum; inum = list->inum;
@ -215,11 +189,10 @@ void PairLJCutCoulLongTIP4POpt::eval()
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
jtype = type[j]; jtype = type[j];
if (rsq < cutsq[itype][jtype]) { // LJ interaction based on true rsq
r2inv = 1.0/rsq;
if (rsq < cut_ljsq[itype][jtype]) { if (rsq < cut_ljsq[itype][jtype]) {
r2inv = 1.0/rsq;
r6inv = r2inv*r2inv*r2inv; r6inv = r2inv*r2inv*r2inv;
forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]);
forcelj *= factor_lj * r2inv; forcelj *= factor_lj * r2inv;
@ -237,11 +210,14 @@ void PairLJCutCoulLongTIP4POpt::eval()
evdwl *= factor_lj; evdwl *= factor_lj;
} else evdwl = 0.0; } else evdwl = 0.0;
if (EVFLAG) ev_tally(i,j,nlocal,newton_pair, if (EVFLAG) ev_tally(i,j,nlocal,/* newton_pair = */ 1,
evdwl,0.0,forcelj,delx,dely,delz); evdwl,0.0,forcelj,delx,dely,delz);
} }
// adjust rsq and delxyz for off-site O charge(s) // adjust rsq and delxyz for off-site O charge(s),
// but only if they are within reach
if (rsq < cut_coulsqplus) {
if (itype == typeO || jtype == typeO) { if (itype == typeO || jtype == typeO) {
x2 = mpos[j]; x2 = mpos[j];
@ -255,11 +231,11 @@ void PairLJCutCoulLongTIP4POpt::eval()
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
} }
// test current rsq against cutoff and compute Coulombic force // Coulombic interaction based on modified rsq
if (rsq < cut_coulsq) { if (rsq < cut_coulsq) {
r2inv = 1 / rsq; r2inv = 1 / rsq;
if (!CTABLE || rsq <= tabinnersq) { if (CTABLE || rsq <= tabinnersq) {
r = sqrt(rsq); r = sqrt(rsq);
grij = g_ewald * r; grij = g_ewald * r;
expm2 = exp(-grij*grij); expm2 = exp(-grij*grij);
@ -436,7 +412,7 @@ void PairLJCutCoulLongTIP4POpt::eval()
} }
if (EFLAG) { if (EFLAG) {
if (!CTABLE || rsq <= tabinnersq) if (CTABLE || rsq <= tabinnersq)
ecoul = prefactor*erfc; ecoul = prefactor*erfc;
else { else {
table = etable[itable] + fraction*detable[itable]; table = etable[itable] + fraction*detable[itable];

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@ -39,7 +39,7 @@ class PairLJCutCoulLongTIP4POpt : public PairLJCutCoulLongTIP4P {
double **mpos; // coordinates corrected for m-shift. double **mpos; // coordinates corrected for m-shift.
void find_M_permissive(int, int &, int &, double *); void find_M_permissive(int, int &, int &, double *);
template < const int, const int, const int, const int, const int > template < const int, const int, const int, const int >
void eval(); void eval();
}; };

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@ -42,6 +42,11 @@ PairLJCutCoulLongTIP4POMP::PairLJCutCoulLongTIP4POMP(LAMMPS *lmp) :
suffix_flag |= Suffix::OMP; suffix_flag |= Suffix::OMP;
respa_enable = 0; respa_enable = 0;
// TIP4P cannot compute virial as F dot r
// due to find_M() finding bonded H atoms which are not near O atom
no_virial_fdotr_compute = 1;
// for caching m-shift corrected positions // for caching m-shift corrected positions
maxmpos = 0; maxmpos = 0;
h1idx = h2idx = NULL; h1idx = h2idx = NULL;
@ -111,17 +116,28 @@ void PairLJCutCoulLongTIP4POMP::compute(int eflag, int vflag)
ThrData *thr = fix->get_thr(tid); ThrData *thr = fix->get_thr(tid);
ev_setup_thr(eflag, vflag, nall, eatom, vatom, thr); ev_setup_thr(eflag, vflag, nall, eatom, vatom, thr);
if (!ncoultablebits) {
if (evflag) { if (evflag) {
if (eflag) { if (eflag) {
if (vflag) eval<1,1,1>(ifrom, ito, thr); if (vflag) eval<1,1,1,1>(ifrom, ito, thr);
else eval<1,1,0>(ifrom, ito, thr); else eval<1,1,1,0>(ifrom, ito, thr);
} else { } else {
if (vflag) eval<1,0,1>(ifrom, ito, thr); if (vflag) eval<1,1,0,1>(ifrom, ito, thr);
else eval<1,0,0>(ifrom, ito, thr); else eval<1,1,0,0>(ifrom, ito, thr);
} }
} else eval<1,0,0,0>(ifrom, ito, thr);
} else { } else {
eval<0,0,0>(ifrom, ito, thr); if (evflag) {
if (eflag) {
if (vflag) eval<0,1,1,1>(ifrom, ito, thr);
else eval<0,1,1,0>(ifrom, ito, thr);
} else {
if (vflag) eval<0,1,0,1>(ifrom, ito, thr);
else eval<0,1,0,0>(ifrom, ito, thr);
} }
} else eval<0,0,0,0>(ifrom, ito, thr);
}
reduce_thr(this, eflag, vflag, thr); reduce_thr(this, eflag, vflag, thr);
} // end of omp parallel region } // end of omp parallel region
@ -129,7 +145,7 @@ void PairLJCutCoulLongTIP4POMP::compute(int eflag, int vflag)
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
template <int EVFLAG, int EFLAG, int VFLAG> template <const int CTABLE, const int EVFLAG, const int EFLAG, const int VFLAG>
void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr) void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
{ {
int i,j,ii,jj,jnum,itype,jtype,itable; int i,j,ii,jj,jnum,itype,jtype,itable;
@ -157,6 +173,8 @@ void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
const double * const special_coul = force->special_coul; const double * const special_coul = force->special_coul;
const double * const special_lj = force->special_lj; const double * const special_lj = force->special_lj;
const double qqrd2e = force->qqrd2e; const double qqrd2e = force->qqrd2e;
const double cut_coulsqplus = (cut_coul+2.0*qdist) * (cut_coul+2.0*qdist);
double fxtmp,fytmp,fztmp; double fxtmp,fytmp,fztmp;
ilist = list->ilist; ilist = list->ilist;
@ -193,10 +211,10 @@ void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
jtype = type[j]; jtype = type[j];
if (rsq < cutsq[itype][jtype]) { // LJ interaction based on true rsq
r2inv = 1.0/rsq;
if (rsq < cut_ljsq[itype][jtype]) { if (rsq < cut_ljsq[itype][jtype]) {
r2inv = 1.0/rsq;
r6inv = r2inv*r2inv*r2inv; r6inv = r2inv*r2inv*r2inv;
forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]);
forcelj *= factor_lj * r2inv; forcelj *= factor_lj * r2inv;
@ -218,7 +236,10 @@ void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
evdwl,0.0,forcelj,delx,dely,delz,thr); evdwl,0.0,forcelj,delx,dely,delz,thr);
} }
// adjust rsq and delxyz for off-site O charge(s) // adjust rsq and delxyz for off-site O charge(s),
// but only if they are within reach
if (rsq < cut_coulsqplus) {
if (itype == typeO || jtype == typeO) { if (itype == typeO || jtype == typeO) {
x2 = mpos[j]; x2 = mpos[j];
@ -235,11 +256,11 @@ void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
} }
// test current rsq against cutoff and compute Coulombic force // Coulombic interaction based on modified rsq
if (rsq < cut_coulsq) { if (rsq < cut_coulsq) {
r2inv = 1 / rsq; r2inv = 1 / rsq;
if (!ncoultablebits || rsq <= tabinnersq) { if (CTABLE || rsq <= tabinnersq) {
r = sqrt(rsq); r = sqrt(rsq);
grij = g_ewald * r; grij = g_ewald * r;
expm2 = exp(-grij*grij); expm2 = exp(-grij*grij);
@ -416,7 +437,7 @@ void PairLJCutCoulLongTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
} }
if (EFLAG) { if (EFLAG) {
if (!ncoultablebits || rsq <= tabinnersq) if (CTABLE || rsq <= tabinnersq)
ecoul = prefactor*erfc; ecoul = prefactor*erfc;
else { else {
table = etable[itable] + fraction*detable[itable]; table = etable[itable] + fraction*detable[itable];

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@ -46,7 +46,7 @@ class PairLJCutCoulLongTIP4POMP : public PairLJCutCoulLongTIP4P, public ThrOMP {
void find_M_permissive(int, int &, int &, double *); void find_M_permissive(int, int &, int &, double *);
private: private:
template <int EVFLAG, int EFLAG, int VFLAG> template <int CFLAG, int EVFLAG, int EFLAG, int VFLAG>
void eval(int ifrom, int ito, ThrData * const thr); void eval(int ifrom, int ito, ThrData * const thr);
}; };

View File

@ -14,7 +14,7 @@
#include "math.h" #include "math.h"
#include "pair_lj_cut_coul_pppm_tip4p_omp.h" #include "pair_lj_cut_coul_pppm_tip4p_omp.h"
#include "pppm_proxy.h" #include "pppm_tip4p_proxy.h"
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "domain.h" #include "domain.h"
@ -74,7 +74,7 @@ void PairLJCutCoulPPPMTIP4POMP::init_style()
if (strcmp(force->kspace_style,"pppm/tip4p/proxy") != 0) if (strcmp(force->kspace_style,"pppm/tip4p/proxy") != 0)
error->all(FLERR,"kspace style pppm/tip4p/proxy is required with this pair style"); error->all(FLERR,"kspace style pppm/tip4p/proxy is required with this pair style");
kspace = static_cast<PPPMProxy *>(force->kspace); kspace = static_cast<PPPMTIP4PProxy *>(force->kspace);
PairLJCutCoulLongTIP4P::init_style(); PairLJCutCoulLongTIP4P::init_style();
} }
@ -137,16 +137,26 @@ void PairLJCutCoulPPPMTIP4POMP::compute(int eflag, int vflag)
if (tid < nproxy) { if (tid < nproxy) {
kspace->compute_proxy(eflag,vflag); kspace->compute_proxy(eflag,vflag);
} else { } else {
if (!ncoultablebits) {
if (evflag) { if (evflag) {
if (eflag) { if (eflag) {
if (vflag) eval<1,1,1>(ifrom, ito, thr); if (vflag) eval<1,1,1,1>(ifrom, ito, thr);
else eval<1,1,0>(ifrom, ito, thr); else eval<1,1,1,0>(ifrom, ito, thr);
} else { } else {
if (vflag) eval<1,0,1>(ifrom, ito, thr); if (vflag) eval<1,1,0,1>(ifrom, ito, thr);
else eval<1,0,0>(ifrom, ito, thr); else eval<1,1,0,0>(ifrom, ito, thr);
} }
} else eval<1,0,0,0>(ifrom, ito, thr);
} else { } else {
eval<0,0,0>(ifrom, ito, thr); if (evflag) {
if (eflag) {
if (vflag) eval<0,1,1,1>(ifrom, ito, thr);
else eval<0,1,1,0>(ifrom, ito, thr);
} else {
if (vflag) eval<0,1,0,1>(ifrom, ito, thr);
else eval<0,1,0,0>(ifrom, ito, thr);
}
} else eval<0,0,0,0>(ifrom, ito, thr);
} }
} }
@ -157,7 +167,7 @@ void PairLJCutCoulPPPMTIP4POMP::compute(int eflag, int vflag)
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
template <int EVFLAG, int EFLAG, int VFLAG> template <const int CTABLE, const int EVFLAG, const int EFLAG, const int VFLAG>
void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr) void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
{ {
int i,j,ii,jj,jnum,itype,jtype,itable; int i,j,ii,jj,jnum,itype,jtype,itable;
@ -185,6 +195,8 @@ void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
const double * const special_coul = force->special_coul; const double * const special_coul = force->special_coul;
const double * const special_lj = force->special_lj; const double * const special_lj = force->special_lj;
const double qqrd2e = force->qqrd2e; const double qqrd2e = force->qqrd2e;
const double cut_coulsqplus = (cut_coul+2.0*qdist) * (cut_coul+2.0*qdist);
double fxtmp,fytmp,fztmp; double fxtmp,fytmp,fztmp;
ilist = list->ilist; ilist = list->ilist;
@ -221,10 +233,10 @@ void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
jtype = type[j]; jtype = type[j];
if (rsq < cutsq[itype][jtype]) { // LJ interaction based on true rsq
r2inv = 1.0/rsq;
if (rsq < cut_ljsq[itype][jtype]) { if (rsq < cut_ljsq[itype][jtype]) {
r2inv = 1.0/rsq;
r6inv = r2inv*r2inv*r2inv; r6inv = r2inv*r2inv*r2inv;
forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype]*r6inv - lj2[itype][jtype]);
forcelj *= factor_lj * r2inv; forcelj *= factor_lj * r2inv;
@ -246,7 +258,10 @@ void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
evdwl,0.0,forcelj,delx,dely,delz,thr); evdwl,0.0,forcelj,delx,dely,delz,thr);
} }
// adjust rsq and delxyz for off-site O charge(s) // adjust rsq and delxyz for off-site O charge(s),
// but only if they are within reach
if (rsq < cut_coulsqplus) {
if (itype == typeO || jtype == typeO) { if (itype == typeO || jtype == typeO) {
x2 = mpos[j]; x2 = mpos[j];
@ -263,11 +278,11 @@ void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
rsq = delx*delx + dely*dely + delz*delz; rsq = delx*delx + dely*dely + delz*delz;
} }
// test current rsq against cutoff and compute Coulombic force // Coulombic interaction based on modified rsq
if (rsq < cut_coulsq) { if (rsq < cut_coulsq) {
r2inv = 1 / rsq; r2inv = 1 / rsq;
if (!ncoultablebits || rsq <= tabinnersq) { if (CTABLE || rsq <= tabinnersq) {
r = sqrt(rsq); r = sqrt(rsq);
grij = g_ewald * r; grij = g_ewald * r;
expm2 = exp(-grij*grij); expm2 = exp(-grij*grij);
@ -444,7 +459,7 @@ void PairLJCutCoulPPPMTIP4POMP::eval(int iifrom, int iito, ThrData * const thr)
} }
if (EFLAG) { if (EFLAG) {
if (!ncoultablebits || rsq <= tabinnersq) if (CTABLE || rsq <= tabinnersq)
ecoul = prefactor*erfc; ecoul = prefactor*erfc;
else { else {
table = etable[itable] + fraction*detable[itable]; table = etable[itable] + fraction*detable[itable];

View File

@ -48,10 +48,10 @@ class PairLJCutCoulPPPMTIP4POMP : public PairLJCutCoulLongTIP4P, public ThrOMP {
void find_M_permissive(int, int &, int &, double *); void find_M_permissive(int, int &, int &, double *);
private: private:
template <int EVFLAG, int EFLAG, int NEWTON_PAIR> template <const int, const int, const int, const int>
void eval(int ifrom, int ito, ThrData * const thr); void eval(int ifrom, int ito, ThrData * const thr);
class PPPMProxy *kspace; class PPPMTIP4PProxy *kspace;
int nproxy; int nproxy;
}; };