convert more neighbor list requests to the new API

This commit is contained in:
Axel Kohlmeyer
2022-03-08 11:38:41 -05:00
parent deb694745b
commit dfbeedfded
31 changed files with 1056 additions and 1146 deletions

View File

@ -1,4 +1,3 @@
// clang-format off
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories https://www.lammps.org/, Sandia National Laboratories
@ -19,17 +18,17 @@
#include "pair_lj_sdk_coul_long.h" #include "pair_lj_sdk_coul_long.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "error.h"
#include "force.h" #include "force.h"
#include "kspace.h" #include "kspace.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "neigh_list.h"
#include "neighbor.h"
#include <cmath>
#include <cstring>
#define LMP_NEED_SDK_FIND_LJ_TYPE 1 #define LMP_NEED_SDK_FIND_LJ_TYPE 1
#include "lj_sdk_common.h" #include "lj_sdk_common.h"
@ -86,19 +85,25 @@ PairLJSDKCoulLong::~PairLJSDKCoulLong()
void PairLJSDKCoulLong::compute(int eflag, int vflag) void PairLJSDKCoulLong::compute(int eflag, int vflag)
{ {
ev_init(eflag,vflag); ev_init(eflag, vflag);
if (evflag) { if (evflag) {
if (eflag) { if (eflag) {
if (force->newton_pair) eval<1,1,1>(); if (force->newton_pair)
else eval<1,1,0>(); eval<1, 1, 1>();
else
eval<1, 1, 0>();
} else { } else {
if (force->newton_pair) eval<1,0,1>(); if (force->newton_pair)
else eval<1,0,0>(); eval<1, 0, 1>();
else
eval<1, 0, 0>();
} }
} else { } else {
if (force->newton_pair) eval<0,0,1>(); if (force->newton_pair)
else eval<0,0,0>(); eval<0, 0, 1>();
else
eval<0, 0, 0>();
} }
if (vflag_fdotr) virial_fdotr_compute(); if (vflag_fdotr) virial_fdotr_compute();
@ -106,29 +111,28 @@ void PairLJSDKCoulLong::compute(int eflag, int vflag)
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
template <int EVFLAG, int EFLAG, int NEWTON_PAIR> template <int EVFLAG, int EFLAG, int NEWTON_PAIR> void PairLJSDKCoulLong::eval()
void PairLJSDKCoulLong::eval()
{ {
int i,ii,j,jj,jtype,itable; int i, ii, j, jj, jtype, itable;
double qtmp,xtmp,ytmp,ztmp,delx,dely,delz,evdwl,ecoul,fpair; double qtmp, xtmp, ytmp, ztmp, delx, dely, delz, evdwl, ecoul, fpair;
double fraction,table; double fraction, table;
double r,rsq,r2inv,forcecoul,forcelj,factor_coul,factor_lj; double r, rsq, r2inv, forcecoul, forcelj, factor_coul, factor_lj;
double grij,expm2,prefactor,t,erfc; double grij, expm2, prefactor, t, erfc;
const double * const * const x = atom->x; const double *const *const x = atom->x;
double * const * const f = atom->f; double *const *const f = atom->f;
const double * const q = atom->q; const double *const q = atom->q;
const int * const type = atom->type; const int *const type = atom->type;
const int nlocal = atom->nlocal; const int nlocal = atom->nlocal;
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;
double fxtmp,fytmp,fztmp; double fxtmp, fytmp, fztmp;
const int inum = list->inum; const int inum = list->inum;
const int * const ilist = list->ilist; const int *const ilist = list->ilist;
const int * const numneigh = list->numneigh; const int *const numneigh = list->numneigh;
const int * const * const firstneigh = list->firstneigh; const int *const *const firstneigh = list->firstneigh;
// loop over neighbors of my atoms // loop over neighbors of my atoms
@ -139,10 +143,10 @@ void PairLJSDKCoulLong::eval()
xtmp = x[i][0]; xtmp = x[i][0];
ytmp = x[i][1]; ytmp = x[i][1];
ztmp = x[i][2]; ztmp = x[i][2];
fxtmp=fytmp=fztmp=0.0; fxtmp = fytmp = fztmp = 0.0;
const int itype = type[i]; const int itype = type[i];
const int * const jlist = firstneigh[i]; const int *const jlist = firstneigh[i];
const int jnum = numneigh[i]; const int jnum = numneigh[i];
for (jj = 0; jj < jnum; jj++) { for (jj = 0; jj < jnum; jj++) {
@ -156,26 +160,26 @@ void PairLJSDKCoulLong::eval()
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
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]) { if (rsq < cutsq[itype][jtype]) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
const int ljt = lj_type[itype][jtype]; const int ljt = lj_type[itype][jtype];
if (rsq < cut_coulsq) { if (rsq < cut_coulsq) {
if (!ncoultablebits || rsq <= tabinnersq) { if (!ncoultablebits || rsq <= tabinnersq) {
r = sqrt(rsq); r = sqrt(rsq);
grij = g_ewald * r; grij = g_ewald * r;
expm2 = exp(-grij*grij); expm2 = exp(-grij * grij);
t = 1.0 / (1.0 + EWALD_P*grij); t = 1.0 / (1.0 + EWALD_P * grij);
erfc = t * (A1+t*(A2+t*(A3+t*(A4+t*A5)))) * expm2; erfc = t * (A1 + t * (A2 + t * (A3 + t * (A4 + t * A5)))) * expm2;
prefactor = qqrd2e * qtmp*q[j]/r; prefactor = qqrd2e * qtmp * q[j] / r;
forcecoul = prefactor * (erfc + EWALD_F*grij*expm2); forcecoul = prefactor * (erfc + EWALD_F * grij * expm2);
if (EFLAG) ecoul = prefactor*erfc; if (EFLAG) ecoul = prefactor * erfc;
if (factor_coul < 1.0) { if (factor_coul < 1.0) {
forcecoul -= (1.0-factor_coul)*prefactor; forcecoul -= (1.0 - factor_coul) * prefactor;
if (EFLAG) ecoul -= (1.0-factor_coul)*prefactor; if (EFLAG) ecoul -= (1.0 - factor_coul) * prefactor;
} }
} else { } else {
union_int_float_t rsq_lookup; union_int_float_t rsq_lookup;
@ -183,15 +187,14 @@ void PairLJSDKCoulLong::eval()
itable = rsq_lookup.i & ncoulmask; itable = rsq_lookup.i & ncoulmask;
itable >>= ncoulshiftbits; itable >>= ncoulshiftbits;
fraction = (rsq_lookup.f - rtable[itable]) * drtable[itable]; fraction = (rsq_lookup.f - rtable[itable]) * drtable[itable];
table = ftable[itable] + fraction*dftable[itable]; table = ftable[itable] + fraction * dftable[itable];
forcecoul = qtmp*q[j] * table; forcecoul = qtmp * q[j] * table;
if (EFLAG) ecoul = qtmp*q[j] * if (EFLAG) ecoul = qtmp * q[j] * (etable[itable] + fraction * detable[itable]);
(etable[itable] + fraction*detable[itable]);
if (factor_coul < 1.0) { if (factor_coul < 1.0) {
table = ctable[itable] + fraction*dctable[itable]; table = ctable[itable] + fraction * dctable[itable];
prefactor = qtmp*q[j] * table; prefactor = qtmp * q[j] * table;
forcecoul -= (1.0-factor_coul)*prefactor; forcecoul -= (1.0 - factor_coul) * prefactor;
if (EFLAG) ecoul -= (1.0-factor_coul)*prefactor; if (EFLAG) ecoul -= (1.0 - factor_coul) * prefactor;
} }
} }
} }
@ -199,30 +202,27 @@ void PairLJSDKCoulLong::eval()
if (rsq < cut_ljsq[itype][jtype]) { if (rsq < cut_ljsq[itype][jtype]) {
if (ljt == LJ12_4) { if (ljt == LJ12_4) {
const double r4inv=r2inv*r2inv; const double r4inv = r2inv * r2inv;
forcelj = r4inv*(lj1[itype][jtype]*r4inv*r4inv forcelj = r4inv * (lj1[itype][jtype] * r4inv * r4inv - lj2[itype][jtype]);
- lj2[itype][jtype]);
if (EFLAG) if (EFLAG)
evdwl = r4inv*(lj3[itype][jtype]*r4inv*r4inv evdwl = r4inv * (lj3[itype][jtype] * r4inv * r4inv - lj4[itype][jtype]) -
- lj4[itype][jtype]) - offset[itype][jtype]; offset[itype][jtype];
} else if (ljt == LJ9_6) { } else if (ljt == LJ9_6) {
const double r3inv = r2inv*sqrt(r2inv); const double r3inv = r2inv * sqrt(r2inv);
const double r6inv = r3inv*r3inv; const double r6inv = r3inv * r3inv;
forcelj = r6inv*(lj1[itype][jtype]*r3inv forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
- lj2[itype][jtype]);
if (EFLAG) if (EFLAG)
evdwl = r6inv*(lj3[itype][jtype]*r3inv evdwl =
- lj4[itype][jtype]) - offset[itype][jtype]; r6inv * (lj3[itype][jtype] * r3inv - lj4[itype][jtype]) - offset[itype][jtype];
} else if (ljt == LJ12_6) { } else if (ljt == LJ12_6) {
const double r6inv = r2inv*r2inv*r2inv; const double r6inv = r2inv * r2inv * r2inv;
forcelj = r6inv*(lj1[itype][jtype]*r6inv forcelj = r6inv * (lj1[itype][jtype] * r6inv - lj2[itype][jtype]);
- lj2[itype][jtype]);
if (EFLAG) if (EFLAG)
evdwl = r6inv*(lj3[itype][jtype]*r6inv evdwl =
- lj4[itype][jtype]) - offset[itype][jtype]; r6inv * (lj3[itype][jtype] * r6inv - lj4[itype][jtype]) - offset[itype][jtype];
} }
forcelj *= factor_lj; forcelj *= factor_lj;
if (EFLAG) evdwl *= factor_lj; if (EFLAG) evdwl *= factor_lj;
@ -230,17 +230,16 @@ void PairLJSDKCoulLong::eval()
fpair = (forcecoul + forcelj) * r2inv; fpair = (forcecoul + forcelj) * r2inv;
fxtmp += delx*fpair; fxtmp += delx * fpair;
fytmp += dely*fpair; fytmp += dely * fpair;
fztmp += delz*fpair; fztmp += delz * fpair;
if (NEWTON_PAIR || j < nlocal) { if (NEWTON_PAIR || j < nlocal) {
f[j][0] -= delx*fpair; f[j][0] -= delx * fpair;
f[j][1] -= dely*fpair; f[j][1] -= dely * fpair;
f[j][2] -= delz*fpair; f[j][2] -= delz * fpair;
} }
if (EVFLAG) ev_tally(i,j,nlocal,NEWTON_PAIR, if (EVFLAG) ev_tally(i, j, nlocal, NEWTON_PAIR, evdwl, ecoul, fpair, delx, dely, delz);
evdwl,ecoul,fpair,delx,dely,delz);
} }
} }
f[i][0] += fxtmp; f[i][0] += fxtmp;
@ -249,7 +248,6 @@ void PairLJSDKCoulLong::eval()
} }
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
allocate all arrays allocate all arrays
------------------------------------------------------------------------- */ ------------------------------------------------------------------------- */
@ -257,33 +255,33 @@ void PairLJSDKCoulLong::eval()
void PairLJSDKCoulLong::allocate() void PairLJSDKCoulLong::allocate()
{ {
allocated = 1; allocated = 1;
int n = atom->ntypes; int np1 = atom->ntypes + 1;
memory->create(setflag,n+1,n+1,"pair:setflag"); memory->create(setflag, np1, np1, "pair:setflag");
memory->create(lj_type,n+1,n+1,"pair:lj_type"); memory->create(lj_type, np1, np1, "pair:lj_type");
for (int i = 1; i <= n; i++) { for (int i = 1; i < np1; i++) {
for (int j = i; j <= n; j++) { for (int j = i; j < np1; j++) {
setflag[i][j] = 0; setflag[i][j] = 0;
lj_type[i][j] = LJ_NOT_SET; lj_type[i][j] = LJ_NOT_SET;
} }
} }
memory->create(cutsq,n+1,n+1,"pair:cutsq"); memory->create(cutsq, np1, np1, "pair:cutsq");
memory->create(cut_lj,n+1,n+1,"pair:cut_lj"); memory->create(cut_lj, np1, np1, "pair:cut_lj");
memory->create(cut_ljsq,n+1,n+1,"pair:cut_ljsq"); memory->create(cut_ljsq, np1, np1, "pair:cut_ljsq");
memory->create(epsilon,n+1,n+1,"pair:epsilon"); memory->create(epsilon, np1, np1, "pair:epsilon");
memory->create(sigma,n+1,n+1,"pair:sigma"); memory->create(sigma, np1, np1, "pair:sigma");
memory->create(lj1,n+1,n+1,"pair:lj1"); memory->create(lj1, np1, np1, "pair:lj1");
memory->create(lj2,n+1,n+1,"pair:lj2"); memory->create(lj2, np1, np1, "pair:lj2");
memory->create(lj3,n+1,n+1,"pair:lj3"); memory->create(lj3, np1, np1, "pair:lj3");
memory->create(lj4,n+1,n+1,"pair:lj4"); memory->create(lj4, np1, np1, "pair:lj4");
memory->create(offset,n+1,n+1,"pair:offset"); memory->create(offset, np1, np1, "pair:offset");
memory->create(rminsq,n+1,n+1,"pair:rminsq"); memory->create(rminsq, np1, np1, "pair:rminsq");
memory->create(emin,n+1,n+1,"pair:emin"); memory->create(emin, np1, np1, "pair:emin");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -292,16 +290,18 @@ void PairLJSDKCoulLong::allocate()
void PairLJSDKCoulLong::settings(int narg, char **arg) void PairLJSDKCoulLong::settings(int narg, char **arg)
{ {
if (narg < 1 || narg > 2) error->all(FLERR,"Illegal pair_style command"); if (narg < 1 || narg > 2) error->all(FLERR, "Illegal pair_style command");
cut_lj_global = utils::numeric(FLERR,arg[0],false,lmp); cut_lj_global = utils::numeric(FLERR, arg[0], false, lmp);
if (narg == 1) cut_coul = cut_lj_global; if (narg == 1)
else cut_coul = utils::numeric(FLERR,arg[1],false,lmp); cut_coul = cut_lj_global;
else
cut_coul = utils::numeric(FLERR, arg[1], false, lmp);
// reset cutoffs that have been explicitly set // reset cutoffs that have been explicitly set
if (allocated) { if (allocated) {
int i,j; int i, j;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) for (j = i; j <= atom->ntypes; j++)
if (setflag[i][j]) cut_lj[i][j] = cut_lj_global; if (setflag[i][j]) cut_lj[i][j] = cut_lj_global;
@ -314,27 +314,25 @@ void PairLJSDKCoulLong::settings(int narg, char **arg)
void PairLJSDKCoulLong::coeff(int narg, char **arg) void PairLJSDKCoulLong::coeff(int narg, char **arg)
{ {
if (narg < 5 || narg > 6) if (narg < 5 || narg > 6) error->all(FLERR, "Incorrect args for pair coefficients");
error->all(FLERR,"Incorrect args for pair coefficients");
if (!allocated) allocate(); if (!allocated) allocate();
int ilo,ihi,jlo,jhi; int ilo, ihi, jlo, jhi;
utils::bounds(FLERR,arg[0],1,atom->ntypes,ilo,ihi,error); utils::bounds(FLERR, arg[0], 1, atom->ntypes, ilo, ihi, error);
utils::bounds(FLERR,arg[1],1,atom->ntypes,jlo,jhi,error); utils::bounds(FLERR, arg[1], 1, atom->ntypes, jlo, jhi, error);
int lj_type_one = find_lj_type(arg[2],lj_type_list); int lj_type_one = find_lj_type(arg[2], lj_type_list);
if (lj_type_one == LJ_NOT_SET) if (lj_type_one == LJ_NOT_SET) error->all(FLERR, "Cannot parse LJ type flag.");
error->all(FLERR,"Cannot parse LJ type flag.");
double epsilon_one = utils::numeric(FLERR,arg[3],false,lmp); double epsilon_one = utils::numeric(FLERR, arg[3], false, lmp);
double sigma_one = utils::numeric(FLERR,arg[4],false,lmp); double sigma_one = utils::numeric(FLERR, arg[4], false, lmp);
double cut_lj_one = cut_lj_global; double cut_lj_one = cut_lj_global;
if (narg == 6) cut_lj_one = utils::numeric(FLERR,arg[5],false,lmp); if (narg == 6) cut_lj_one = utils::numeric(FLERR, arg[5], false, lmp);
int count = 0; int count = 0;
for (int i = ilo; i <= ihi; i++) { for (int i = ilo; i <= ihi; i++) {
for (int j = MAX(jlo,i); j <= jhi; j++) { for (int j = MAX(jlo, i); j <= jhi; j++) {
lj_type[i][j] = lj_type_one; lj_type[i][j] = lj_type_one;
epsilon[i][j] = epsilon_one; epsilon[i][j] = epsilon_one;
sigma[i][j] = sigma_one; sigma[i][j] = sigma_one;
@ -344,7 +342,7 @@ void PairLJSDKCoulLong::coeff(int narg, char **arg)
} }
} }
if (count == 0) error->all(FLERR,"Incorrect args for pair coefficients"); if (count == 0) error->all(FLERR, "Incorrect args for pair coefficients");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -353,22 +351,20 @@ void PairLJSDKCoulLong::coeff(int narg, char **arg)
void PairLJSDKCoulLong::init_style() void PairLJSDKCoulLong::init_style()
{ {
if (!atom->q_flag) if (!atom->q_flag) error->all(FLERR, "Pair style lj/cut/coul/long requires atom attribute q");
error->all(FLERR,"Pair style lj/cut/coul/long requires atom attribute q");
neighbor->request(this,instance_me); neighbor->add_request(this);
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;
// insure use of KSpace long-range solver, set g_ewald // insure use of KSpace long-range solver, set g_ewald
if (force->kspace == nullptr) if (force->kspace == nullptr) error->all(FLERR, "Pair style requires a KSpace style");
error->all(FLERR,"Pair style requires a KSpace style");
g_ewald = force->kspace->g_ewald; g_ewald = force->kspace->g_ewald;
// setup force tables (no rRESPA support yet) // setup force tables (no rRESPA support yet)
if (ncoultablebits) init_tables(cut_coul,nullptr); if (ncoultablebits) init_tables(cut_coul, nullptr);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -378,29 +374,28 @@ void PairLJSDKCoulLong::init_style()
double PairLJSDKCoulLong::init_one(int i, int j) double PairLJSDKCoulLong::init_one(int i, int j)
{ {
if (setflag[i][j] == 0) if (setflag[i][j] == 0)
error->all(FLERR,"No mixing support for lj/sdk/coul/long. " error->all(FLERR,
"No mixing support for lj/sdk/coul/long. "
"Coefficients for all pairs need to be set explicitly."); "Coefficients for all pairs need to be set explicitly.");
const int ljt = lj_type[i][j]; const int ljt = lj_type[i][j];
if (ljt == LJ_NOT_SET) if (ljt == LJ_NOT_SET) error->all(FLERR, "unrecognized LJ parameter flag");
error->all(FLERR,"unrecognized LJ parameter flag");
double cut = MAX(cut_lj[i][j],cut_coul); double cut = MAX(cut_lj[i][j], cut_coul);
cut_ljsq[i][j] = cut_lj[i][j] * cut_lj[i][j]; cut_ljsq[i][j] = cut_lj[i][j] * cut_lj[i][j];
lj1[i][j] = lj_prefact[ljt] * lj_pow1[ljt] * epsilon[i][j] * lj1[i][j] = lj_prefact[ljt] * lj_pow1[ljt] * epsilon[i][j] * pow(sigma[i][j], lj_pow1[ljt]);
pow(sigma[i][j],lj_pow1[ljt]); lj2[i][j] = lj_prefact[ljt] * lj_pow2[ljt] * epsilon[i][j] * pow(sigma[i][j], lj_pow2[ljt]);
lj2[i][j] = lj_prefact[ljt] * lj_pow2[ljt] * epsilon[i][j] * lj3[i][j] = lj_prefact[ljt] * epsilon[i][j] * pow(sigma[i][j], lj_pow1[ljt]);
pow(sigma[i][j],lj_pow2[ljt]); lj4[i][j] = lj_prefact[ljt] * epsilon[i][j] * pow(sigma[i][j], lj_pow2[ljt]);
lj3[i][j] = lj_prefact[ljt] * epsilon[i][j] * pow(sigma[i][j],lj_pow1[ljt]);
lj4[i][j] = lj_prefact[ljt] * epsilon[i][j] * pow(sigma[i][j],lj_pow2[ljt]);
if (offset_flag && (cut_lj[i][j] > 0.0)) { if (offset_flag && (cut_lj[i][j] > 0.0)) {
double ratio = sigma[i][j] / cut_lj[i][j]; double ratio = sigma[i][j] / cut_lj[i][j];
offset[i][j] = lj_prefact[ljt] * epsilon[i][j] * offset[i][j] =
(pow(ratio,lj_pow1[ljt]) - pow(ratio,lj_pow2[ljt])); lj_prefact[ljt] * epsilon[i][j] * (pow(ratio, lj_pow1[ljt]) - pow(ratio, lj_pow2[ljt]));
} else offset[i][j] = 0.0; } else
offset[i][j] = 0.0;
cut_ljsq[j][i] = cut_ljsq[i][j]; cut_ljsq[j][i] = cut_ljsq[i][j];
cut_lj[j][i] = cut_lj[i][j]; cut_lj[j][i] = cut_lj[i][j];
@ -415,20 +410,19 @@ double PairLJSDKCoulLong::init_one(int i, int j)
const double eps = epsilon[i][j]; const double eps = epsilon[i][j];
const double sig = sigma[i][j]; const double sig = sigma[i][j];
const double rmin = sig*exp(1.0/(lj_pow1[ljt]-lj_pow2[ljt]) const double rmin =
*log(lj_pow1[ljt]/lj_pow2[ljt]) ); sig * exp(1.0 / (lj_pow1[ljt] - lj_pow2[ljt]) * log(lj_pow1[ljt] / lj_pow2[ljt]));
rminsq[j][i] = rminsq[i][j] = rmin*rmin; rminsq[j][i] = rminsq[i][j] = rmin * rmin;
const double ratio = sig/rmin; const double ratio = sig / rmin;
const double emin_one = lj_prefact[ljt] * eps * (pow(ratio,lj_pow1[ljt]) const double emin_one =
- pow(ratio,lj_pow2[ljt])); lj_prefact[ljt] * eps * (pow(ratio, lj_pow1[ljt]) - pow(ratio, lj_pow2[ljt]));
emin[j][i] = emin[i][j] = emin_one; emin[j][i] = emin[i][j] = emin_one;
// compute I,J contribution to long-range tail correction // compute I,J contribution to long-range tail correction
// count total # of atoms of type I and J via Allreduce // count total # of atoms of type I and J via Allreduce
if (tail_flag) if (tail_flag) error->all(FLERR, "Tail flag not supported by lj/sdk/coul/long pair style");
error->all(FLERR,"Tail flag not supported by lj/sdk/coul/long pair style");
return cut; return cut;
} }
@ -441,15 +435,15 @@ void PairLJSDKCoulLong::write_restart(FILE *fp)
{ {
write_restart_settings(fp); write_restart_settings(fp);
int i,j; int i, j;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
fwrite(&setflag[i][j],sizeof(int),1,fp); fwrite(&setflag[i][j], sizeof(int), 1, fp);
if (setflag[i][j]) { if (setflag[i][j]) {
fwrite(&lj_type[i][j],sizeof(int),1,fp); fwrite(&lj_type[i][j], sizeof(int), 1, fp);
fwrite(&epsilon[i][j],sizeof(double),1,fp); fwrite(&epsilon[i][j], sizeof(double), 1, fp);
fwrite(&sigma[i][j],sizeof(double),1,fp); fwrite(&sigma[i][j], sizeof(double), 1, fp);
fwrite(&cut_lj[i][j],sizeof(double),1,fp); fwrite(&cut_lj[i][j], sizeof(double), 1, fp);
} }
} }
} }
@ -463,23 +457,23 @@ void PairLJSDKCoulLong::read_restart(FILE *fp)
read_restart_settings(fp); read_restart_settings(fp);
allocate(); allocate();
int i,j; int i, j;
int me = comm->me; int me = comm->me;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
if (me == 0) utils::sfread(FLERR,&setflag[i][j],sizeof(int),1,fp,nullptr,error); if (me == 0) utils::sfread(FLERR, &setflag[i][j], sizeof(int), 1, fp, nullptr, error);
MPI_Bcast(&setflag[i][j],1,MPI_INT,0,world); MPI_Bcast(&setflag[i][j], 1, MPI_INT, 0, world);
if (setflag[i][j]) { if (setflag[i][j]) {
if (me == 0) { if (me == 0) {
utils::sfread(FLERR,&lj_type[i][j],sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &lj_type[i][j], sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&epsilon[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &epsilon[i][j], sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&sigma[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &sigma[i][j], sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut_lj[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_lj[i][j], sizeof(double), 1, fp, nullptr, error);
} }
MPI_Bcast(&lj_type[i][j],1,MPI_INT,0,world); MPI_Bcast(&lj_type[i][j], 1, MPI_INT, 0, world);
MPI_Bcast(&epsilon[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&epsilon[i][j], 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&sigma[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&sigma[i][j], 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&cut_lj[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_lj[i][j], 1, MPI_DOUBLE, 0, world);
} }
} }
} }
@ -490,13 +484,13 @@ void PairLJSDKCoulLong::read_restart(FILE *fp)
void PairLJSDKCoulLong::write_restart_settings(FILE *fp) void PairLJSDKCoulLong::write_restart_settings(FILE *fp)
{ {
fwrite(&cut_lj_global,sizeof(double),1,fp); fwrite(&cut_lj_global, sizeof(double), 1, fp);
fwrite(&cut_coul,sizeof(double),1,fp); fwrite(&cut_coul, sizeof(double), 1, fp);
fwrite(&offset_flag,sizeof(int),1,fp); fwrite(&offset_flag, sizeof(int), 1, fp);
fwrite(&mix_flag,sizeof(int),1,fp); fwrite(&mix_flag, sizeof(int), 1, fp);
fwrite(&tail_flag,sizeof(int),1,fp); fwrite(&tail_flag, sizeof(int), 1, fp);
fwrite(&ncoultablebits,sizeof(int),1,fp); fwrite(&ncoultablebits, sizeof(int), 1, fp);
fwrite(&tabinner,sizeof(double),1,fp); fwrite(&tabinner, sizeof(double), 1, fp);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -506,21 +500,21 @@ void PairLJSDKCoulLong::write_restart_settings(FILE *fp)
void PairLJSDKCoulLong::read_restart_settings(FILE *fp) void PairLJSDKCoulLong::read_restart_settings(FILE *fp)
{ {
if (comm->me == 0) { if (comm->me == 0) {
utils::sfread(FLERR,&cut_lj_global,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_lj_global, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut_coul,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_coul, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&offset_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &offset_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&mix_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &mix_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&tail_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &tail_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&ncoultablebits,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &ncoultablebits, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&tabinner,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &tabinner, sizeof(double), 1, fp, nullptr, error);
} }
MPI_Bcast(&cut_lj_global,1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_lj_global, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&cut_coul,1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_coul, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&offset_flag,1,MPI_INT,0,world); MPI_Bcast(&offset_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&mix_flag,1,MPI_INT,0,world); MPI_Bcast(&mix_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&tail_flag,1,MPI_INT,0,world); MPI_Bcast(&tail_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&ncoultablebits,1,MPI_INT,0,world); MPI_Bcast(&ncoultablebits, 1, MPI_INT, 0, world);
MPI_Bcast(&tabinner,1,MPI_DOUBLE,0,world); MPI_Bcast(&tabinner, 1, MPI_DOUBLE, 0, world);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -529,7 +523,8 @@ void PairLJSDKCoulLong::read_restart_settings(FILE *fp)
void PairLJSDKCoulLong::write_data(FILE *) void PairLJSDKCoulLong::write_data(FILE *)
{ {
error->one(FLERR, "Pair style lj/sdk/coul/* requires using " error->one(FLERR,
"Pair style lj/sdk/coul/* requires using "
"write_data with the 'pair ij' option"); "write_data with the 'pair ij' option");
} }
@ -541,37 +536,35 @@ void PairLJSDKCoulLong::write_data_all(FILE *fp)
{ {
for (int i = 1; i <= atom->ntypes; i++) for (int i = 1; i <= atom->ntypes; i++)
for (int j = i; j <= atom->ntypes; j++) for (int j = i; j <= atom->ntypes; j++)
fprintf(fp,"%d %d %s %g %g %g\n",i,j,lj_type_list[lj_type[i][j]], fprintf(fp, "%d %d %s %g %g %g\n", i, j, lj_type_list[lj_type[i][j]], epsilon[i][j],
epsilon[i][j],sigma[i][j],cut_lj[i][j]); sigma[i][j], cut_lj[i][j]);
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
double PairLJSDKCoulLong::single(int i, int j, int itype, int jtype, double PairLJSDKCoulLong::single(int i, int j, int itype, int jtype, double rsq, double factor_coul,
double rsq, double factor_lj, double &fforce)
double factor_coul, double factor_lj,
double &fforce)
{ {
double r2inv,r,grij,expm2,t,erfc,prefactor; double r2inv, r, grij, expm2, t, erfc, prefactor;
double fraction,table,forcecoul,forcelj,phicoul,philj; double fraction, table, forcecoul, forcelj, phicoul, philj;
int itable; int itable;
forcecoul = forcelj = phicoul = philj = 0.0; forcecoul = forcelj = phicoul = philj = 0.0;
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
if (rsq < cut_coulsq) { if (rsq < cut_coulsq) {
if (!ncoultablebits || rsq <= tabinnersq) { if (!ncoultablebits || rsq <= tabinnersq) {
r = sqrt(rsq); r = sqrt(rsq);
grij = g_ewald * r; grij = g_ewald * r;
expm2 = exp(-grij*grij); expm2 = exp(-grij * grij);
t = 1.0 / (1.0 + EWALD_P*grij); t = 1.0 / (1.0 + EWALD_P * grij);
erfc = t * (A1+t*(A2+t*(A3+t*(A4+t*A5)))) * expm2; erfc = t * (A1 + t * (A2 + t * (A3 + t * (A4 + t * A5)))) * expm2;
prefactor = force->qqrd2e * atom->q[i]*atom->q[j]/r; prefactor = force->qqrd2e * atom->q[i] * atom->q[j] / r;
forcecoul = prefactor * (erfc + EWALD_F*grij*expm2); forcecoul = prefactor * (erfc + EWALD_F * grij * expm2);
phicoul = prefactor*erfc; phicoul = prefactor * erfc;
if (factor_coul < 1.0) { if (factor_coul < 1.0) {
forcecoul -= (1.0-factor_coul)*prefactor; forcecoul -= (1.0 - factor_coul) * prefactor;
phicoul -= (1.0-factor_coul)*prefactor; phicoul -= (1.0 - factor_coul) * prefactor;
} }
} else { } else {
union_int_float_t rsq_lookup_single; union_int_float_t rsq_lookup_single;
@ -579,15 +572,15 @@ double PairLJSDKCoulLong::single(int i, int j, int itype, int jtype,
itable = rsq_lookup_single.i & ncoulmask; itable = rsq_lookup_single.i & ncoulmask;
itable >>= ncoulshiftbits; itable >>= ncoulshiftbits;
fraction = (rsq_lookup_single.f - rtable[itable]) * drtable[itable]; fraction = (rsq_lookup_single.f - rtable[itable]) * drtable[itable];
table = ftable[itable] + fraction*dftable[itable]; table = ftable[itable] + fraction * dftable[itable];
forcecoul = atom->q[i]*atom->q[j] * table; forcecoul = atom->q[i] * atom->q[j] * table;
table = etable[itable] + fraction*detable[itable]; table = etable[itable] + fraction * detable[itable];
phicoul = atom->q[i]*atom->q[j] * table; phicoul = atom->q[i] * atom->q[j] * table;
if (factor_coul < 1.0) { if (factor_coul < 1.0) {
table = ctable[itable] + fraction*dctable[itable]; table = ctable[itable] + fraction * dctable[itable];
prefactor = atom->q[i]*atom->q[j] * table; prefactor = atom->q[i] * atom->q[j] * table;
forcecoul -= (1.0-factor_coul)*prefactor; forcecoul -= (1.0 - factor_coul) * prefactor;
phicoul -= (1.0-factor_coul)*prefactor; phicoul -= (1.0 - factor_coul) * prefactor;
} }
} }
} }
@ -596,27 +589,22 @@ double PairLJSDKCoulLong::single(int i, int j, int itype, int jtype,
const int ljt = lj_type[itype][jtype]; const int ljt = lj_type[itype][jtype];
if (ljt == LJ12_4) { if (ljt == LJ12_4) {
const double r4inv=r2inv*r2inv; const double r4inv = r2inv * r2inv;
forcelj = r4inv*(lj1[itype][jtype]*r4inv*r4inv forcelj = r4inv * (lj1[itype][jtype] * r4inv * r4inv - lj2[itype][jtype]);
- lj2[itype][jtype]);
philj = r4inv*(lj3[itype][jtype]*r4inv*r4inv philj =
- lj4[itype][jtype]) - offset[itype][jtype]; r4inv * (lj3[itype][jtype] * r4inv * r4inv - lj4[itype][jtype]) - offset[itype][jtype];
} else if (ljt == LJ9_6) { } else if (ljt == LJ9_6) {
const double r3inv = r2inv*sqrt(r2inv); const double r3inv = r2inv * sqrt(r2inv);
const double r6inv = r3inv*r3inv; const double r6inv = r3inv * r3inv;
forcelj = r6inv*(lj1[itype][jtype]*r3inv forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
- lj2[itype][jtype]); philj = r6inv * (lj3[itype][jtype] * r3inv - lj4[itype][jtype]) - offset[itype][jtype];
philj = r6inv*(lj3[itype][jtype]*r3inv
- lj4[itype][jtype]) - offset[itype][jtype];
} else if (ljt == LJ12_6) { } else if (ljt == LJ12_6) {
const double r6inv = r2inv*r2inv*r2inv; const double r6inv = r2inv * r2inv * r2inv;
forcelj = r6inv*(lj1[itype][jtype]*r6inv forcelj = r6inv * (lj1[itype][jtype] * r6inv - lj2[itype][jtype]);
- lj2[itype][jtype]); philj = r6inv * (lj3[itype][jtype] * r6inv - lj4[itype][jtype]) - offset[itype][jtype];
philj = r6inv*(lj3[itype][jtype]*r6inv
- lj4[itype][jtype]) - offset[itype][jtype];
} }
forcelj *= factor_lj; forcelj *= factor_lj;
philj *= factor_lj; philj *= factor_lj;
@ -632,18 +620,18 @@ double PairLJSDKCoulLong::single(int i, int j, int itype, int jtype,
void *PairLJSDKCoulLong::extract(const char *str, int &dim) void *PairLJSDKCoulLong::extract(const char *str, int &dim)
{ {
dim = 2; dim = 2;
if (strcmp(str,"epsilon") == 0) return (void *) epsilon; if (strcmp(str, "epsilon") == 0) return (void *) epsilon;
if (strcmp(str,"sigma") == 0) return (void *) sigma; if (strcmp(str, "sigma") == 0) return (void *) sigma;
if (strcmp(str,"lj_type") == 0) return (void *) lj_type; if (strcmp(str, "lj_type") == 0) return (void *) lj_type;
if (strcmp(str,"lj1") == 0) return (void *) lj1; if (strcmp(str, "lj1") == 0) return (void *) lj1;
if (strcmp(str,"lj2") == 0) return (void *) lj2; if (strcmp(str, "lj2") == 0) return (void *) lj2;
if (strcmp(str,"lj3") == 0) return (void *) lj3; if (strcmp(str, "lj3") == 0) return (void *) lj3;
if (strcmp(str,"lj4") == 0) return (void *) lj4; if (strcmp(str, "lj4") == 0) return (void *) lj4;
if (strcmp(str,"rminsq") == 0) return (void *) rminsq; if (strcmp(str, "rminsq") == 0) return (void *) rminsq;
if (strcmp(str,"emin") == 0) return (void *) emin; if (strcmp(str, "emin") == 0) return (void *) emin;
dim = 0; dim = 0;
if (strcmp(str,"cut_coul") == 0) return (void *) &cut_coul; if (strcmp(str, "cut_coul") == 0) return (void *) &cut_coul;
return nullptr; return nullptr;
} }
@ -655,13 +643,13 @@ double PairLJSDKCoulLong::memory_usage()
int n = atom->ntypes; int n = atom->ntypes;
// setflag/lj_type // setflag/lj_type
bytes += (double)2 * (n+1)*(n+1)*sizeof(int); bytes += (double) 2 * (n + 1) * (n + 1) * sizeof(int);
// lj_cut/lj_cutsq/epsilon/sigma/offset/lj1/lj2/lj3/lj4/rminsq/emin // lj_cut/lj_cutsq/epsilon/sigma/offset/lj1/lj2/lj3/lj4/rminsq/emin
bytes += (double)11 * (n+1)*(n+1)*sizeof(double); bytes += (double) 11 * (n + 1) * (n + 1) * sizeof(double);
if (ncoultablebits) { if (ncoultablebits) {
int ntable = 1<<ncoultablebits; int ntable = 1 << ncoultablebits;
bytes += (double)8 * ntable*sizeof(double); bytes += (double) 8 * ntable * sizeof(double);
} }
return bytes; return bytes;

View File

@ -1,4 +1,3 @@
// clang-format off
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories https://www.lammps.org/, Sandia National Laboratories
@ -19,7 +18,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include "respa.h" #include "respa.h"
#include "update.h" #include "update.h"
@ -65,13 +63,13 @@ PairLJClass2::~PairLJClass2()
void PairLJClass2::compute(int eflag, int vflag) void PairLJClass2::compute(int eflag, int vflag)
{ {
int i,j,ii,jj,inum,jnum,itype,jtype; int i, j, ii, jj, inum, jnum, itype, jtype;
double xtmp,ytmp,ztmp,delx,dely,delz,evdwl,fpair; double xtmp, ytmp, ztmp, delx, dely, delz, evdwl, fpair;
double rsq,rinv,r2inv,r3inv,r6inv,forcelj,factor_lj; double rsq, rinv, r2inv, r3inv, r6inv, forcelj, factor_lj;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist, *jlist, *numneigh, **firstneigh;
evdwl = 0.0; evdwl = 0.0;
ev_init(eflag,vflag); ev_init(eflag, vflag);
double **x = atom->x; double **x = atom->x;
double **f = atom->f; double **f = atom->f;
@ -104,34 +102,32 @@ void PairLJClass2::compute(int eflag, int vflag)
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
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]) { if (rsq < cutsq[itype][jtype]) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
f[i][0] += delx*fpair; f[i][0] += delx * fpair;
f[i][1] += dely*fpair; f[i][1] += dely * fpair;
f[i][2] += delz*fpair; f[i][2] += delz * fpair;
if (newton_pair || j < nlocal) { if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair; f[j][0] -= delx * fpair;
f[j][1] -= dely*fpair; f[j][1] -= dely * fpair;
f[j][2] -= delz*fpair; f[j][2] -= delz * fpair;
} }
if (eflag) { if (eflag) {
evdwl = r6inv*(lj3[itype][jtype]*r3inv-lj4[itype][jtype]) - evdwl = r6inv * (lj3[itype][jtype] * r3inv - lj4[itype][jtype]) - offset[itype][jtype];
offset[itype][jtype];
evdwl *= factor_lj; evdwl *= factor_lj;
} }
if (evflag) ev_tally(i,j,nlocal,newton_pair, if (evflag) ev_tally(i, j, nlocal, newton_pair, evdwl, 0.0, fpair, delx, dely, delz);
evdwl,0.0,fpair,delx,dely,delz);
} }
} }
} }
@ -139,15 +135,14 @@ void PairLJClass2::compute(int eflag, int vflag)
if (vflag_fdotr) virial_fdotr_compute(); if (vflag_fdotr) virial_fdotr_compute();
} }
/* ---------------------------------------------------------------------- /* ---------------------------------------------------------------------- */
*/
void PairLJClass2::compute_inner() void PairLJClass2::compute_inner()
{ {
int i,j,ii,jj,inum,jnum,itype,jtype; int i, j, ii, jj, inum, jnum, itype, jtype;
double xtmp,ytmp,ztmp,delx,dely,delz,fpair; double xtmp, ytmp, ztmp, delx, dely, delz, fpair;
double rsq,rinv,r2inv,r3inv,r6inv,forcelj,factor_lj,rsw; double rsq, rinv, r2inv, r3inv, r6inv, forcelj, factor_lj, rsw;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist, *jlist, *numneigh, **firstneigh;
double **x = atom->x; double **x = atom->x;
double **f = atom->f; double **f = atom->f;
@ -165,8 +160,8 @@ void PairLJClass2::compute_inner()
double cut_out_off = cut_respa[1]; double cut_out_off = cut_respa[1];
double cut_out_diff = cut_out_off - cut_out_on; double cut_out_diff = cut_out_off - cut_out_on;
double cut_out_on_sq = cut_out_on*cut_out_on; double cut_out_on_sq = cut_out_on * cut_out_on;
double cut_out_off_sq = cut_out_off*cut_out_off; double cut_out_off_sq = cut_out_off * cut_out_off;
// loop over neighbors of my atoms // loop over neighbors of my atoms
@ -187,28 +182,28 @@ void PairLJClass2::compute_inner()
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
rsq = delx*delx + dely*dely + delz*delz; rsq = delx * delx + dely * dely + delz * delz;
if (rsq < cut_out_off_sq) { if (rsq < cut_out_off_sq) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
jtype = type[j]; jtype = type[j];
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
if (rsq > cut_out_on_sq) { if (rsq > cut_out_on_sq) {
rsw = (sqrt(rsq) - cut_out_on)/cut_out_diff; rsw = (sqrt(rsq) - cut_out_on) / cut_out_diff;
fpair *= 1.0 - rsw*rsw*(3.0 - 2.0*rsw); fpair *= 1.0 - rsw * rsw * (3.0 - 2.0 * rsw);
} }
f[i][0] += delx*fpair; f[i][0] += delx * fpair;
f[i][1] += dely*fpair; f[i][1] += dely * fpair;
f[i][2] += delz*fpair; f[i][2] += delz * fpair;
if (newton_pair || j < nlocal) { if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair; f[j][0] -= delx * fpair;
f[j][1] -= dely*fpair; f[j][1] -= dely * fpair;
f[j][2] -= delz*fpair; f[j][2] -= delz * fpair;
} }
} }
} }
@ -219,10 +214,10 @@ void PairLJClass2::compute_inner()
void PairLJClass2::compute_middle() void PairLJClass2::compute_middle()
{ {
int i,j,ii,jj,inum,jnum,itype,jtype; int i, j, ii, jj, inum, jnum, itype, jtype;
double xtmp,ytmp,ztmp,delx,dely,delz,fpair; double xtmp, ytmp, ztmp, delx, dely, delz, fpair;
double rsq,rinv,r2inv,r3inv,r6inv,forcelj,factor_lj,rsw; double rsq, rinv, r2inv, r3inv, r6inv, forcelj, factor_lj, rsw;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist, *jlist, *numneigh, **firstneigh;
double **x = atom->x; double **x = atom->x;
double **f = atom->f; double **f = atom->f;
@ -243,10 +238,10 @@ void PairLJClass2::compute_middle()
double cut_in_diff = cut_in_on - cut_in_off; double cut_in_diff = cut_in_on - cut_in_off;
double cut_out_diff = cut_out_off - cut_out_on; double cut_out_diff = cut_out_off - cut_out_on;
double cut_in_off_sq = cut_in_off*cut_in_off; double cut_in_off_sq = cut_in_off * cut_in_off;
double cut_in_on_sq = cut_in_on*cut_in_on; double cut_in_on_sq = cut_in_on * cut_in_on;
double cut_out_on_sq = cut_out_on*cut_out_on; double cut_out_on_sq = cut_out_on * cut_out_on;
double cut_out_off_sq = cut_out_off*cut_out_off; double cut_out_off_sq = cut_out_off * cut_out_off;
// loop over neighbors of my atoms // loop over neighbors of my atoms
@ -267,32 +262,32 @@ void PairLJClass2::compute_middle()
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
rsq = delx*delx + dely*dely + delz*delz; rsq = delx * delx + dely * dely + delz * delz;
if (rsq < cut_out_off_sq && rsq > cut_in_off_sq) { if (rsq < cut_out_off_sq && rsq > cut_in_off_sq) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
jtype = type[j]; jtype = type[j];
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
if (rsq < cut_in_on_sq) { if (rsq < cut_in_on_sq) {
rsw = (sqrt(rsq) - cut_in_off)/cut_in_diff; rsw = (sqrt(rsq) - cut_in_off) / cut_in_diff;
fpair *= rsw*rsw*(3.0 - 2.0*rsw); fpair *= rsw * rsw * (3.0 - 2.0 * rsw);
} }
if (rsq > cut_out_on_sq) { if (rsq > cut_out_on_sq) {
rsw = (sqrt(rsq) - cut_out_on)/cut_out_diff; rsw = (sqrt(rsq) - cut_out_on) / cut_out_diff;
fpair *= 1.0 + rsw*rsw*(2.0*rsw - 3.0); fpair *= 1.0 + rsw * rsw * (2.0 * rsw - 3.0);
} }
f[i][0] += delx*fpair; f[i][0] += delx * fpair;
f[i][1] += dely*fpair; f[i][1] += dely * fpair;
f[i][2] += delz*fpair; f[i][2] += delz * fpair;
if (newton_pair || j < nlocal) { if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair; f[j][0] -= delx * fpair;
f[j][1] -= dely*fpair; f[j][1] -= dely * fpair;
f[j][2] -= delz*fpair; f[j][2] -= delz * fpair;
} }
} }
} }
@ -303,13 +298,13 @@ void PairLJClass2::compute_middle()
void PairLJClass2::compute_outer(int eflag, int vflag) void PairLJClass2::compute_outer(int eflag, int vflag)
{ {
int i,j,ii,jj,inum,jnum,itype,jtype; int i, j, ii, jj, inum, jnum, itype, jtype;
double xtmp,ytmp,ztmp,delx,dely,delz,evdwl,fpair; double xtmp, ytmp, ztmp, delx, dely, delz, evdwl, fpair;
double rsq,rinv,r2inv,r3inv,r6inv,forcelj,factor_lj,rsw; double rsq, rinv, r2inv, r3inv, r6inv, forcelj, factor_lj, rsw;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist, *jlist, *numneigh, **firstneigh;
evdwl = 0.0; evdwl = 0.0;
ev_init(eflag,vflag); ev_init(eflag, vflag);
double **x = atom->x; double **x = atom->x;
double **f = atom->f; double **f = atom->f;
@ -327,8 +322,8 @@ void PairLJClass2::compute_outer(int eflag, int vflag)
double cut_in_on = cut_respa[3]; double cut_in_on = cut_respa[3];
double cut_in_diff = cut_in_on - cut_in_off; double cut_in_diff = cut_in_on - cut_in_off;
double cut_in_off_sq = cut_in_off*cut_in_off; double cut_in_off_sq = cut_in_off * cut_in_off;
double cut_in_on_sq = cut_in_on*cut_in_on; double cut_in_on_sq = cut_in_on * cut_in_on;
// loop over neighbors of my atoms // loop over neighbors of my atoms
@ -349,55 +344,54 @@ void PairLJClass2::compute_outer(int eflag, int vflag)
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
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]) { if (rsq < cutsq[itype][jtype]) {
if (rsq > cut_in_off_sq) { if (rsq > cut_in_off_sq) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
if (rsq < cut_in_on_sq) { if (rsq < cut_in_on_sq) {
rsw = (sqrt(rsq) - cut_in_off)/cut_in_diff; rsw = (sqrt(rsq) - cut_in_off) / cut_in_diff;
fpair *= rsw*rsw*(3.0 - 2.0*rsw); fpair *= rsw * rsw * (3.0 - 2.0 * rsw);
} }
f[i][0] += delx*fpair; f[i][0] += delx * fpair;
f[i][1] += dely*fpair; f[i][1] += dely * fpair;
f[i][2] += delz*fpair; f[i][2] += delz * fpair;
if (newton_pair || j < nlocal) { if (newton_pair || j < nlocal) {
f[j][0] -= delx*fpair; f[j][0] -= delx * fpair;
f[j][1] -= dely*fpair; f[j][1] -= dely * fpair;
f[j][2] -= delz*fpair; f[j][2] -= delz * fpair;
} }
} }
if (eflag) { if (eflag) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
evdwl = r6inv*(lj3[itype][jtype]*r3inv-lj4[itype][jtype]) - evdwl = r6inv * (lj3[itype][jtype] * r3inv - lj4[itype][jtype]) - offset[itype][jtype];
offset[itype][jtype];
evdwl *= factor_lj; evdwl *= factor_lj;
} }
if (vflag) { if (vflag) {
if (rsq <= cut_in_off_sq) { if (rsq <= cut_in_off_sq) {
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
} else if (rsq < cut_in_on_sq) } else if (rsq < cut_in_on_sq)
fpair = factor_lj*forcelj*r2inv; fpair = factor_lj * forcelj * r2inv;
} }
if (evflag) ev_tally(i,j,nlocal,newton_pair,evdwl,0.0,fpair,delx,dely,delz); if (evflag) ev_tally(i, j, nlocal, newton_pair, evdwl, 0.0, fpair, delx, dely, delz);
} }
} }
} }
@ -411,21 +405,20 @@ void PairLJClass2::allocate()
allocated = 1; allocated = 1;
int n = atom->ntypes; int n = atom->ntypes;
memory->create(setflag,n+1,n+1,"pair:setflag"); memory->create(setflag, n + 1, n + 1, "pair:setflag");
for (int i = 1; i <= n; i++) for (int i = 1; i <= n; i++)
for (int j = i; j <= n; j++) for (int j = i; j <= n; j++) setflag[i][j] = 0;
setflag[i][j] = 0;
memory->create(cutsq,n+1,n+1,"pair:cutsq"); memory->create(cutsq, n + 1, n + 1, "pair:cutsq");
memory->create(cut,n+1,n+1,"pair:cut"); memory->create(cut, n + 1, n + 1, "pair:cut");
memory->create(epsilon,n+1,n+1,"pair:epsilon"); memory->create(epsilon, n + 1, n + 1, "pair:epsilon");
memory->create(sigma,n+1,n+1,"pair:sigma"); memory->create(sigma, n + 1, n + 1, "pair:sigma");
memory->create(lj1,n+1,n+1,"pair:lj1"); memory->create(lj1, n + 1, n + 1, "pair:lj1");
memory->create(lj2,n+1,n+1,"pair:lj2"); memory->create(lj2, n + 1, n + 1, "pair:lj2");
memory->create(lj3,n+1,n+1,"pair:lj3"); memory->create(lj3, n + 1, n + 1, "pair:lj3");
memory->create(lj4,n+1,n+1,"pair:lj4"); memory->create(lj4, n + 1, n + 1, "pair:lj4");
memory->create(offset,n+1,n+1,"pair:offset"); memory->create(offset, n + 1, n + 1, "pair:offset");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -434,14 +427,14 @@ void PairLJClass2::allocate()
void PairLJClass2::settings(int narg, char **arg) void PairLJClass2::settings(int narg, char **arg)
{ {
if (narg != 1) error->all(FLERR,"Illegal pair_style command"); if (narg != 1) error->all(FLERR, "Illegal pair_style command");
cut_global = utils::numeric(FLERR,arg[0],false,lmp); cut_global = utils::numeric(FLERR, arg[0], false, lmp);
// reset cutoffs that have been explicitly set // reset cutoffs that have been explicitly set
if (allocated) { if (allocated) {
int i,j; int i, j;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) for (j = i; j <= atom->ntypes; j++)
if (setflag[i][j]) cut[i][j] = cut_global; if (setflag[i][j]) cut[i][j] = cut_global;
@ -454,22 +447,22 @@ void PairLJClass2::settings(int narg, char **arg)
void PairLJClass2::coeff(int narg, char **arg) void PairLJClass2::coeff(int narg, char **arg)
{ {
if (narg < 4 || narg > 5) error->all(FLERR,"Incorrect args for pair coefficients"); if (narg < 4 || narg > 5) error->all(FLERR, "Incorrect args for pair coefficients");
if (!allocated) allocate(); if (!allocated) allocate();
int ilo,ihi,jlo,jhi; int ilo, ihi, jlo, jhi;
utils::bounds(FLERR,arg[0],1,atom->ntypes,ilo,ihi,error); utils::bounds(FLERR, arg[0], 1, atom->ntypes, ilo, ihi, error);
utils::bounds(FLERR,arg[1],1,atom->ntypes,jlo,jhi,error); utils::bounds(FLERR, arg[1], 1, atom->ntypes, jlo, jhi, error);
double epsilon_one = utils::numeric(FLERR,arg[2],false,lmp); double epsilon_one = utils::numeric(FLERR, arg[2], false, lmp);
double sigma_one = utils::numeric(FLERR,arg[3],false,lmp); double sigma_one = utils::numeric(FLERR, arg[3], false, lmp);
double cut_one = cut_global; double cut_one = cut_global;
if (narg == 5) cut_one = utils::numeric(FLERR,arg[4],false,lmp); if (narg == 5) cut_one = utils::numeric(FLERR, arg[4], false, lmp);
int count = 0; int count = 0;
for (int i = ilo; i <= ihi; i++) { for (int i = ilo; i <= ihi; i++) {
for (int j = MAX(jlo,i); j <= jhi; j++) { for (int j = MAX(jlo, i); j <= jhi; j++) {
epsilon[i][j] = epsilon_one; epsilon[i][j] = epsilon_one;
sigma[i][j] = sigma_one; sigma[i][j] = sigma_one;
cut[i][j] = cut_one; cut[i][j] = cut_one;
@ -478,7 +471,7 @@ void PairLJClass2::coeff(int narg, char **arg)
} }
} }
if (count == 0) error->all(FLERR,"Incorrect args for pair coefficients"); if (count == 0) error->all(FLERR, "Incorrect args for pair coefficients");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -489,28 +482,22 @@ void PairLJClass2::init_style()
{ {
// request regular or rRESPA neighbor list // request regular or rRESPA neighbor list
int irequest; int list_style = NeighConst::REQ_DEFAULT;
int respa = 0;
if (update->whichflag == 1 && utils::strmatch(update->integrate_style,"^respa")) { if (update->whichflag == 1 && utils::strmatch(update->integrate_style, "^respa")) {
if (((Respa *) update->integrate)->level_inner >= 0) respa = 1; auto respa = (Respa *) update->integrate;
if (((Respa *) update->integrate)->level_middle >= 0) respa = 2; if (respa->level_inner >= 0) list_style = NeighConst::REQ_RESPA_INOUT;
if (respa->level_middle >= 0) list_style = NeighConst::REQ_RESPA_ALL;
} }
neighbor->add_request(this, list_style);
irequest = neighbor->request(this,instance_me);
if (respa >= 1) {
neighbor->requests[irequest]->respaouter = 1;
neighbor->requests[irequest]->respainner = 1;
}
if (respa == 2) neighbor->requests[irequest]->respamiddle = 1;
// set rRESPA cutoffs // set rRESPA cutoffs
if (utils::strmatch(update->integrate_style,"^respa") && if (utils::strmatch(update->integrate_style, "^respa") &&
((Respa *) update->integrate)->level_inner >= 0) ((Respa *) update->integrate)->level_inner >= 0)
cut_respa = ((Respa *) update->integrate)->cutoff; cut_respa = ((Respa *) update->integrate)->cutoff;
else cut_respa = nullptr; else
cut_respa = nullptr;
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -523,23 +510,22 @@ double PairLJClass2::init_one(int i, int j)
// mix distance via user-defined rule // mix distance via user-defined rule
if (setflag[i][j] == 0) { if (setflag[i][j] == 0) {
epsilon[i][j] = 2.0 * sqrt(epsilon[i][i]*epsilon[j][j]) * epsilon[i][j] = 2.0 * sqrt(epsilon[i][i] * epsilon[j][j]) * pow(sigma[i][i], 3.0) *
pow(sigma[i][i],3.0) * pow(sigma[j][j],3.0) / pow(sigma[j][j], 3.0) / (pow(sigma[i][i], 6.0) + pow(sigma[j][j], 6.0));
(pow(sigma[i][i],6.0) + pow(sigma[j][j],6.0)); sigma[i][j] = pow((0.5 * (pow(sigma[i][i], 6.0) + pow(sigma[j][j], 6.0))), 1.0 / 6.0);
sigma[i][j] = cut[i][j] = mix_distance(cut[i][i], cut[j][j]);
pow((0.5 * (pow(sigma[i][i],6.0) + pow(sigma[j][j],6.0))),1.0/6.0);
cut[i][j] = mix_distance(cut[i][i],cut[j][j]);
} }
lj1[i][j] = 18.0 * epsilon[i][j] * pow(sigma[i][j],9.0); lj1[i][j] = 18.0 * epsilon[i][j] * pow(sigma[i][j], 9.0);
lj2[i][j] = 18.0 * epsilon[i][j] * pow(sigma[i][j],6.0); lj2[i][j] = 18.0 * epsilon[i][j] * pow(sigma[i][j], 6.0);
lj3[i][j] = 2.0 * epsilon[i][j] * pow(sigma[i][j],9.0); lj3[i][j] = 2.0 * epsilon[i][j] * pow(sigma[i][j], 9.0);
lj4[i][j] = 3.0 * epsilon[i][j] * pow(sigma[i][j],6.0); lj4[i][j] = 3.0 * epsilon[i][j] * pow(sigma[i][j], 6.0);
if (offset_flag && (cut[i][j] > 0.0)) { if (offset_flag && (cut[i][j] > 0.0)) {
double ratio = sigma[i][j] / cut[i][j]; double ratio = sigma[i][j] / cut[i][j];
offset[i][j] = epsilon[i][j] * (2.0*pow(ratio,9.0) - 3.0*pow(ratio,6.0)); offset[i][j] = epsilon[i][j] * (2.0 * pow(ratio, 9.0) - 3.0 * pow(ratio, 6.0));
} else offset[i][j] = 0.0; } else
offset[i][j] = 0.0;
lj1[j][i] = lj1[i][j]; lj1[j][i] = lj1[i][j];
lj2[j][i] = lj2[i][j]; lj2[j][i] = lj2[i][j];
@ -550,7 +536,7 @@ double PairLJClass2::init_one(int i, int j)
// check interior rRESPA cutoff // check interior rRESPA cutoff
if (cut_respa && cut[i][j] < cut_respa[3]) if (cut_respa && cut[i][j] < cut_respa[3])
error->all(FLERR,"Pair cutoff < Respa interior cutoff"); error->all(FLERR, "Pair cutoff < Respa interior cutoff");
// compute I,J contribution to long-range tail correction // compute I,J contribution to long-range tail correction
// count total # of atoms of type I and J via Allreduce // count total # of atoms of type I and J via Allreduce
@ -559,22 +545,21 @@ double PairLJClass2::init_one(int i, int j)
int *type = atom->type; int *type = atom->type;
int nlocal = atom->nlocal; int nlocal = atom->nlocal;
double count[2],all[2]; double count[2], all[2];
count[0] = count[1] = 0.0; count[0] = count[1] = 0.0;
for (int k = 0; k < nlocal; k++) { for (int k = 0; k < nlocal; k++) {
if (type[k] == i) count[0] += 1.0; if (type[k] == i) count[0] += 1.0;
if (type[k] == j) count[1] += 1.0; if (type[k] == j) count[1] += 1.0;
} }
MPI_Allreduce(count,all,2,MPI_DOUBLE,MPI_SUM,world); MPI_Allreduce(count, all, 2, MPI_DOUBLE, MPI_SUM, world);
double sig3 = sigma[i][j]*sigma[i][j]*sigma[i][j]; double sig3 = sigma[i][j] * sigma[i][j] * sigma[i][j];
double sig6 = sig3*sig3; double sig6 = sig3 * sig3;
double rc3 = cut[i][j]*cut[i][j]*cut[i][j]; double rc3 = cut[i][j] * cut[i][j] * cut[i][j];
double rc6 = rc3*rc3; double rc6 = rc3 * rc3;
etail_ij = 2.0*MY_PI*all[0]*all[1]*epsilon[i][j] * etail_ij =
sig6 * (sig3 - 3.0*rc3) / (3.0*rc6); 2.0 * MY_PI * all[0] * all[1] * epsilon[i][j] * sig6 * (sig3 - 3.0 * rc3) / (3.0 * rc6);
ptail_ij = 2.0*MY_PI*all[0]*all[1]*epsilon[i][j] * ptail_ij = 2.0 * MY_PI * all[0] * all[1] * epsilon[i][j] * sig6 * (sig3 - 2.0 * rc3) / rc6;
sig6 * (sig3 - 2.0*rc3) / rc6;
} }
return cut[i][j]; return cut[i][j];
@ -588,14 +573,14 @@ void PairLJClass2::write_restart(FILE *fp)
{ {
write_restart_settings(fp); write_restart_settings(fp);
int i,j; int i, j;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
fwrite(&setflag[i][j],sizeof(int),1,fp); fwrite(&setflag[i][j], sizeof(int), 1, fp);
if (setflag[i][j]) { if (setflag[i][j]) {
fwrite(&epsilon[i][j],sizeof(double),1,fp); fwrite(&epsilon[i][j], sizeof(double), 1, fp);
fwrite(&sigma[i][j],sizeof(double),1,fp); fwrite(&sigma[i][j], sizeof(double), 1, fp);
fwrite(&cut[i][j],sizeof(double),1,fp); fwrite(&cut[i][j], sizeof(double), 1, fp);
} }
} }
} }
@ -609,21 +594,21 @@ void PairLJClass2::read_restart(FILE *fp)
read_restart_settings(fp); read_restart_settings(fp);
allocate(); allocate();
int i,j; int i, j;
int me = comm->me; int me = comm->me;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
if (me == 0) utils::sfread(FLERR,&setflag[i][j],sizeof(int),1,fp,nullptr,error); if (me == 0) utils::sfread(FLERR, &setflag[i][j], sizeof(int), 1, fp, nullptr, error);
MPI_Bcast(&setflag[i][j],1,MPI_INT,0,world); MPI_Bcast(&setflag[i][j], 1, MPI_INT, 0, world);
if (setflag[i][j]) { if (setflag[i][j]) {
if (me == 0) { if (me == 0) {
utils::sfread(FLERR,&epsilon[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &epsilon[i][j], sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&sigma[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &sigma[i][j], sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut[i][j], sizeof(double), 1, fp, nullptr, error);
} }
MPI_Bcast(&epsilon[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&epsilon[i][j], 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&sigma[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&sigma[i][j], 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&cut[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&cut[i][j], 1, MPI_DOUBLE, 0, world);
} }
} }
} }
@ -634,10 +619,10 @@ void PairLJClass2::read_restart(FILE *fp)
void PairLJClass2::write_restart_settings(FILE *fp) void PairLJClass2::write_restart_settings(FILE *fp)
{ {
fwrite(&cut_global,sizeof(double),1,fp); fwrite(&cut_global, sizeof(double), 1, fp);
fwrite(&offset_flag,sizeof(int),1,fp); fwrite(&offset_flag, sizeof(int), 1, fp);
fwrite(&mix_flag,sizeof(int),1,fp); fwrite(&mix_flag, sizeof(int), 1, fp);
fwrite(&tail_flag,sizeof(int),1,fp); fwrite(&tail_flag, sizeof(int), 1, fp);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -648,26 +633,24 @@ void PairLJClass2::read_restart_settings(FILE *fp)
{ {
int me = comm->me; int me = comm->me;
if (me == 0) { if (me == 0) {
utils::sfread(FLERR,&cut_global,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_global, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&offset_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &offset_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&mix_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &mix_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&tail_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &tail_flag, sizeof(int), 1, fp, nullptr, error);
} }
MPI_Bcast(&cut_global,1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_global, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&offset_flag,1,MPI_INT,0,world); MPI_Bcast(&offset_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&mix_flag,1,MPI_INT,0,world); MPI_Bcast(&mix_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&tail_flag,1,MPI_INT,0,world); MPI_Bcast(&tail_flag, 1, MPI_INT, 0, world);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
proc 0 writes to data file proc 0 writes to data file
------------------------------------------------------------------------- */ ------------------------------------------------------------------------- */
void PairLJClass2::write_data(FILE *fp) void PairLJClass2::write_data(FILE *fp)
{ {
for (int i = 1; i <= atom->ntypes; i++) for (int i = 1; i <= atom->ntypes; i++) fprintf(fp, "%d %g %g\n", i, epsilon[i][i], sigma[i][i]);
fprintf(fp,"%d %g %g\n",i,epsilon[i][i],sigma[i][i]);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -678,27 +661,25 @@ void PairLJClass2::write_data_all(FILE *fp)
{ {
for (int i = 1; i <= atom->ntypes; i++) for (int i = 1; i <= atom->ntypes; i++)
for (int j = i; j <= atom->ntypes; j++) for (int j = i; j <= atom->ntypes; j++)
fprintf(fp,"%d %d %g %g %g\n",i,j,epsilon[i][j],sigma[i][j],cut[i][j]); fprintf(fp, "%d %d %g %g %g\n", i, j, epsilon[i][j], sigma[i][j], cut[i][j]);
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
double PairLJClass2::single(int /*i*/, int /*j*/, int itype, int jtype, double rsq, double PairLJClass2::single(int /*i*/, int /*j*/, int itype, int jtype, double rsq,
double /*factor_coul*/, double factor_lj, double /*factor_coul*/, double factor_lj, double &fforce)
double &fforce)
{ {
double r2inv,rinv,r3inv,r6inv,forcelj,philj; double r2inv, rinv, r3inv, r6inv, forcelj, philj;
r2inv = 1.0/rsq; r2inv = 1.0 / rsq;
rinv = sqrt(r2inv); rinv = sqrt(r2inv);
r3inv = r2inv*rinv; r3inv = r2inv * rinv;
r6inv = r3inv*r3inv; r6inv = r3inv * r3inv;
forcelj = r6inv * (lj1[itype][jtype]*r3inv - lj2[itype][jtype]); forcelj = r6inv * (lj1[itype][jtype] * r3inv - lj2[itype][jtype]);
fforce = factor_lj*forcelj*r2inv; fforce = factor_lj * forcelj * r2inv;
philj = r6inv*(lj3[itype][jtype]*r3inv-lj4[itype][jtype]) - philj = r6inv * (lj3[itype][jtype] * r3inv - lj4[itype][jtype]) - offset[itype][jtype];
offset[itype][jtype]; return factor_lj * philj;
return factor_lj*philj;
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
@ -706,7 +687,7 @@ double PairLJClass2::single(int /*i*/, int /*j*/, int itype, int jtype, double r
void *PairLJClass2::extract(const char *str, int &dim) void *PairLJClass2::extract(const char *str, int &dim)
{ {
dim = 2; dim = 2;
if (strcmp(str,"epsilon") == 0) return (void *) epsilon; if (strcmp(str, "epsilon") == 0) return (void *) epsilon;
if (strcmp(str,"sigma") == 0) return (void *) sigma; if (strcmp(str, "sigma") == 0) return (void *) sigma;
return nullptr; return nullptr;
} }

View File

@ -1,4 +1,3 @@
// clang-format off
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories https://www.lammps.org/, Sandia National Laboratories
@ -14,8 +13,6 @@
#include "pair_lj_class2_coul_cut.h" #include "pair_lj_class2_coul_cut.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h" #include "force.h"
@ -25,6 +22,8 @@
#include "memory.h" #include "memory.h"
#include "error.h" #include "error.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -259,7 +258,7 @@ void PairLJClass2CoulCut::init_style()
if (!atom->q_flag) if (!atom->q_flag)
error->all(FLERR,"Pair style lj/class2/coul/cut requires atom attribute q"); error->all(FLERR,"Pair style lj/class2/coul/cut requires atom attribute q");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

File diff suppressed because it is too large Load Diff

View File

@ -1,4 +1,3 @@
// clang-format off
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories https://www.lammps.org/, Sandia National Laboratories
@ -18,26 +17,26 @@
#include "pair_brownian.h" #include "pair_brownian.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "domain.h" #include "domain.h"
#include "update.h" #include "error.h"
#include "modify.h"
#include "fix.h" #include "fix.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h"
#include "random_mars.h"
#include "math_const.h" #include "math_const.h"
#include "math_special.h" #include "math_special.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "random_mars.h"
#include "update.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -45,7 +44,7 @@ using namespace MathSpecial;
// same as fix_wall.cpp // same as fix_wall.cpp
enum{EDGE,CONSTANT,VARIABLE}; enum { EDGE, CONSTANT, VARIABLE };
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
@ -73,12 +72,12 @@ PairBrownian::~PairBrownian()
void PairBrownian::compute(int eflag, int vflag) void PairBrownian::compute(int eflag, int vflag)
{ {
int i,j,ii,jj,inum,jnum,itype,jtype; int i, j, ii, jj, inum, jnum, itype, jtype;
double xtmp,ytmp,ztmp,delx,dely,delz,fx,fy,fz,tx,ty,tz; double xtmp, ytmp, ztmp, delx, dely, delz, fx, fy, fz, tx, ty, tz;
double rsq,r,h_sep,radi; double rsq, r, h_sep, radi;
int *ilist,*jlist,*numneigh,**firstneigh; int *ilist, *jlist, *numneigh, **firstneigh;
ev_init(eflag,vflag); ev_init(eflag, vflag);
double **x = atom->x; double **x = atom->x;
double **f = atom->f; double **f = atom->f;
@ -91,8 +90,8 @@ void PairBrownian::compute(int eflag, int vflag)
double vxmu2f = force->vxmu2f; double vxmu2f = force->vxmu2f;
double randr; double randr;
double prethermostat; double prethermostat;
double xl[3],a_sq,a_sh,a_pu,Fbmag; double xl[3], a_sq, a_sh, a_pu, Fbmag;
double p1[3],p2[3],p3[3]; double p1[3], p2[3], p3[3];
int overlaps = 0; int overlaps = 0;
// This section of code adjusts R0/RT0/RS0 if necessary due to changes // This section of code adjusts R0/RT0/RS0 if necessary due to changes
@ -102,8 +101,7 @@ void PairBrownian::compute(int eflag, int vflag)
if (flagVF) // Flag for volume fraction corrections if (flagVF) // Flag for volume fraction corrections
if (flagdeform || flagwall == 2) { // Possible changes in volume fraction if (flagdeform || flagwall == 2) { // Possible changes in volume fraction
if (flagdeform && !flagwall) if (flagdeform && !flagwall)
for (j = 0; j < 3; j++) for (j = 0; j < 3; j++) dims[j] = domain->prd[j];
dims[j] = domain->prd[j];
else if (flagwall == 2 || (flagdeform && flagwall == 1)) { else if (flagwall == 2 || (flagdeform && flagwall == 1)) {
double wallhi[3], walllo[3]; double wallhi[3], walllo[3];
for (int j = 0; j < 3; j++) { for (int j = 0; j < 3; j++) {
@ -115,31 +113,32 @@ void PairBrownian::compute(int eflag, int vflag)
int side = wallfix->wallwhich[m] % 2; int side = wallfix->wallwhich[m] % 2;
if (wallfix->xstyle[m] == VARIABLE) { if (wallfix->xstyle[m] == VARIABLE) {
wallcoord = input->variable->compute_equal(wallfix->xindex[m]); wallcoord = input->variable->compute_equal(wallfix->xindex[m]);
} else
wallcoord = wallfix->coord0[m];
if (side == 0)
walllo[dim] = wallcoord;
else
wallhi[dim] = wallcoord;
} }
else wallcoord = wallfix->coord0[m]; for (int j = 0; j < 3; j++) dims[j] = wallhi[j] - walllo[j];
if (side == 0) walllo[dim] = wallcoord;
else wallhi[dim] = wallcoord;
} }
for (int j = 0; j < 3; j++) double vol_T = dims[0] * dims[1] * dims[2];
dims[j] = wallhi[j] - walllo[j]; double vol_f = vol_P / vol_T;
}
double vol_T = dims[0]*dims[1]*dims[2];
double vol_f = vol_P/vol_T;
if (flaglog == 0) { if (flaglog == 0) {
R0 = 6*MY_PI*mu*rad*(1.0 + 2.16*vol_f); R0 = 6 * MY_PI * mu * rad * (1.0 + 2.16 * vol_f);
RT0 = 8*MY_PI*mu*cube(rad); RT0 = 8 * MY_PI * mu * cube(rad);
//RS0 = 20.0/3.0*MY_PI*mu*pow(rad,3)*(1.0 + 3.33*vol_f + 2.80*vol_f*vol_f); //RS0 = 20.0/3.0*MY_PI*mu*pow(rad,3)*(1.0 + 3.33*vol_f + 2.80*vol_f*vol_f);
} else { } else {
R0 = 6*MY_PI*mu*rad*(1.0 + 2.725*vol_f - 6.583*vol_f*vol_f); R0 = 6 * MY_PI * mu * rad * (1.0 + 2.725 * vol_f - 6.583 * vol_f * vol_f);
RT0 = 8*MY_PI*mu*cube(rad)*(1.0 + 0.749*vol_f - 2.469*vol_f*vol_f); RT0 = 8 * MY_PI * mu * cube(rad) * (1.0 + 0.749 * vol_f - 2.469 * vol_f * vol_f);
//RS0 = 20.0/3.0*MY_PI*mu*pow(rad,3)*(1.0 + 3.64*vol_f - 6.95*vol_f*vol_f); //RS0 = 20.0/3.0*MY_PI*mu*pow(rad,3)*(1.0 + 3.64*vol_f - 6.95*vol_f*vol_f);
} }
} }
// scale factor for Brownian moments // scale factor for Brownian moments
prethermostat = sqrt(24.0*force->boltz*t_target/update->dt); prethermostat = sqrt(24.0 * force->boltz * t_target / update->dt);
prethermostat *= sqrt(force->vxmu2f/force->ftm2v/force->mvv2e); prethermostat *= sqrt(force->vxmu2f / force->ftm2v / force->mvv2e);
inum = list->inum; inum = list->inum;
ilist = list->ilist; ilist = list->ilist;
@ -159,13 +158,13 @@ void PairBrownian::compute(int eflag, int vflag)
// FLD contribution to force and torque due to isotropic terms // FLD contribution to force and torque due to isotropic terms
if (flagfld) { if (flagfld) {
f[i][0] += prethermostat*sqrt(R0)*(random->uniform()-0.5); f[i][0] += prethermostat * sqrt(R0) * (random->uniform() - 0.5);
f[i][1] += prethermostat*sqrt(R0)*(random->uniform()-0.5); f[i][1] += prethermostat * sqrt(R0) * (random->uniform() - 0.5);
f[i][2] += prethermostat*sqrt(R0)*(random->uniform()-0.5); f[i][2] += prethermostat * sqrt(R0) * (random->uniform() - 0.5);
if (flaglog) { if (flaglog) {
torque[i][0] += prethermostat*sqrt(RT0)*(random->uniform()-0.5); torque[i][0] += prethermostat * sqrt(RT0) * (random->uniform() - 0.5);
torque[i][1] += prethermostat*sqrt(RT0)*(random->uniform()-0.5); torque[i][1] += prethermostat * sqrt(RT0) * (random->uniform() - 0.5);
torque[i][2] += prethermostat*sqrt(RT0)*(random->uniform()-0.5); torque[i][2] += prethermostat * sqrt(RT0) * (random->uniform() - 0.5);
} }
} }
@ -178,7 +177,7 @@ void PairBrownian::compute(int eflag, int vflag)
delx = xtmp - x[j][0]; delx = xtmp - x[j][0];
dely = ytmp - x[j][1]; dely = ytmp - x[j][1];
delz = ztmp - x[j][2]; delz = ztmp - x[j][2];
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]) { if (rsq < cutsq[itype][jtype]) {
@ -186,7 +185,7 @@ void PairBrownian::compute(int eflag, int vflag)
// scalar resistances a_sq and a_sh // scalar resistances a_sq and a_sh
h_sep = r - 2.0*radi; h_sep = r - 2.0 * radi;
// check for overlaps // check for overlaps
@ -194,35 +193,34 @@ void PairBrownian::compute(int eflag, int vflag)
// if less than minimum gap, use minimum gap instead // if less than minimum gap, use minimum gap instead
if (r < cut_inner[itype][jtype]) if (r < cut_inner[itype][jtype]) h_sep = cut_inner[itype][jtype] - 2.0 * radi;
h_sep = cut_inner[itype][jtype] - 2.0*radi;
// scale h_sep by radi // scale h_sep by radi
h_sep = h_sep/radi; h_sep = h_sep / radi;
// scalar resistances // scalar resistances
if (flaglog) { if (flaglog) {
a_sq = 6.0*MY_PI*mu*radi*(1.0/4.0/h_sep + 9.0/40.0*log(1.0/h_sep)); a_sq = 6.0 * MY_PI * mu * radi * (1.0 / 4.0 / h_sep + 9.0 / 40.0 * log(1.0 / h_sep));
a_sh = 6.0*MY_PI*mu*radi*(1.0/6.0*log(1.0/h_sep)); a_sh = 6.0 * MY_PI * mu * radi * (1.0 / 6.0 * log(1.0 / h_sep));
a_pu = 8.0*MY_PI*mu*cube(radi)*(3.0/160.0*log(1.0/h_sep)); a_pu = 8.0 * MY_PI * mu * cube(radi) * (3.0 / 160.0 * log(1.0 / h_sep));
} else } else
a_sq = 6.0*MY_PI*mu*radi*(1.0/4.0/h_sep); a_sq = 6.0 * MY_PI * mu * radi * (1.0 / 4.0 / h_sep);
// generate the Pairwise Brownian Force: a_sq // generate the Pairwise Brownian Force: a_sq
Fbmag = prethermostat*sqrt(a_sq); Fbmag = prethermostat * sqrt(a_sq);
// generate a random number // generate a random number
randr = random->uniform()-0.5; randr = random->uniform() - 0.5;
// contribution due to Brownian motion // contribution due to Brownian motion
fx = Fbmag*randr*delx/r; fx = Fbmag * randr * delx / r;
fy = Fbmag*randr*dely/r; fy = Fbmag * randr * dely / r;
fz = Fbmag*randr*delz/r; fz = Fbmag * randr * delz / r;
// add terms due to a_sh // add terms due to a_sh
@ -230,31 +228,33 @@ void PairBrownian::compute(int eflag, int vflag)
// generate two orthogonal vectors to the line of centers // generate two orthogonal vectors to the line of centers
p1[0] = delx/r; p1[1] = dely/r; p1[2] = delz/r; p1[0] = delx / r;
set_3_orthogonal_vectors(p1,p2,p3); p1[1] = dely / r;
p1[2] = delz / r;
set_3_orthogonal_vectors(p1, p2, p3);
// magnitude // magnitude
Fbmag = prethermostat*sqrt(a_sh); Fbmag = prethermostat * sqrt(a_sh);
// force in each of the two directions // force in each of the two directions
randr = random->uniform()-0.5; randr = random->uniform() - 0.5;
fx += Fbmag*randr*p2[0]; fx += Fbmag * randr * p2[0];
fy += Fbmag*randr*p2[1]; fy += Fbmag * randr * p2[1];
fz += Fbmag*randr*p2[2]; fz += Fbmag * randr * p2[2];
randr = random->uniform()-0.5; randr = random->uniform() - 0.5;
fx += Fbmag*randr*p3[0]; fx += Fbmag * randr * p3[0];
fy += Fbmag*randr*p3[1]; fy += Fbmag * randr * p3[1];
fz += Fbmag*randr*p3[2]; fz += Fbmag * randr * p3[2];
} }
// scale forces to appropriate units // scale forces to appropriate units
fx = vxmu2f*fx; fx = vxmu2f * fx;
fy = vxmu2f*fy; fy = vxmu2f * fy;
fz = vxmu2f*fz; fz = vxmu2f * fz;
// sum to total force // sum to total force
@ -279,15 +279,15 @@ void PairBrownian::compute(int eflag, int vflag)
// location of the point of closest approach on I from its center // location of the point of closest approach on I from its center
xl[0] = -delx/r*radi; xl[0] = -delx / r * radi;
xl[1] = -dely/r*radi; xl[1] = -dely / r * radi;
xl[2] = -delz/r*radi; xl[2] = -delz / r * radi;
// torque = xl_cross_F // torque = xl_cross_F
tx = xl[1]*fz - xl[2]*fy; tx = xl[1] * fz - xl[2] * fy;
ty = xl[2]*fx - xl[0]*fz; ty = xl[2] * fx - xl[0] * fz;
tz = xl[0]*fy - xl[1]*fx; tz = xl[0] * fy - xl[1] * fx;
// torque is same on both particles // torque is same on both particles
@ -303,19 +303,19 @@ void PairBrownian::compute(int eflag, int vflag)
// torque due to a_pu // torque due to a_pu
Fbmag = prethermostat*sqrt(a_pu); Fbmag = prethermostat * sqrt(a_pu);
// force in each direction // force in each direction
randr = random->uniform()-0.5; randr = random->uniform() - 0.5;
tx = Fbmag*randr*p2[0]; tx = Fbmag * randr * p2[0];
ty = Fbmag*randr*p2[1]; ty = Fbmag * randr * p2[1];
tz = Fbmag*randr*p2[2]; tz = Fbmag * randr * p2[2];
randr = random->uniform()-0.5; randr = random->uniform() - 0.5;
tx += Fbmag*randr*p3[0]; tx += Fbmag * randr * p3[0];
ty += Fbmag*randr*p3[1]; ty += Fbmag * randr * p3[1];
tz += Fbmag*randr*p3[2]; tz += Fbmag * randr * p3[2];
// torque has opposite sign on two particles // torque has opposite sign on two particles
@ -330,15 +330,14 @@ void PairBrownian::compute(int eflag, int vflag)
} }
} }
if (evflag) ev_tally_xyz(i,j,nlocal,newton_pair, if (evflag)
0.0,0.0,-fx,-fy,-fz,delx,dely,delz); ev_tally_xyz(i, j, nlocal, newton_pair, 0.0, 0.0, -fx, -fy, -fz, delx, dely, delz);
} }
} }
} }
int print_overlaps = 0; int print_overlaps = 0;
if (print_overlaps && overlaps) if (print_overlaps && overlaps) printf("Number of overlaps=%d\n", overlaps);
printf("Number of overlaps=%d\n",overlaps);
if (vflag_fdotr) virial_fdotr_compute(); if (vflag_fdotr) virial_fdotr_compute();
} }
@ -350,17 +349,16 @@ void PairBrownian::compute(int eflag, int vflag)
void PairBrownian::allocate() void PairBrownian::allocate()
{ {
allocated = 1; allocated = 1;
int n = atom->ntypes; int np1 = atom->ntypes + 1;
memory->create(setflag,n+1,n+1,"pair:setflag"); memory->create(setflag, np1, np1, "pair:setflag");
for (int i = 1; i <= n; i++) for (int i = 1; i < np1; i++)
for (int j = i; j <= n; j++) for (int j = i; j < np1; j++) setflag[i][j] = 0;
setflag[i][j] = 0;
memory->create(cutsq,n+1,n+1,"pair:cutsq"); memory->create(cutsq, np1, np1, "pair:cutsq");
memory->create(cut,n+1,n+1,"pair:cut"); memory->create(cut, np1, np1, "pair:cut");
memory->create(cut_inner,n+1,n+1,"pair:cut_inner"); memory->create(cut_inner, np1, np1, "pair:cut_inner");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -369,24 +367,25 @@ void PairBrownian::allocate()
void PairBrownian::settings(int narg, char **arg) void PairBrownian::settings(int narg, char **arg)
{ {
if (narg != 7 && narg != 9) error->all(FLERR,"Illegal pair_style command"); if (narg != 7 && narg != 9) error->all(FLERR, "Illegal pair_style command");
mu = utils::numeric(FLERR,arg[0],false,lmp); mu = utils::numeric(FLERR, arg[0], false, lmp);
flaglog = utils::inumeric(FLERR,arg[1],false,lmp); flaglog = utils::inumeric(FLERR, arg[1], false, lmp);
flagfld = utils::inumeric(FLERR,arg[2],false,lmp); flagfld = utils::inumeric(FLERR, arg[2], false, lmp);
cut_inner_global = utils::numeric(FLERR,arg[3],false,lmp); cut_inner_global = utils::numeric(FLERR, arg[3], false, lmp);
cut_global = utils::numeric(FLERR,arg[4],false,lmp); cut_global = utils::numeric(FLERR, arg[4], false, lmp);
t_target = utils::numeric(FLERR,arg[5],false,lmp); t_target = utils::numeric(FLERR, arg[5], false, lmp);
seed = utils::inumeric(FLERR,arg[6],false,lmp); seed = utils::inumeric(FLERR, arg[6], false, lmp);
flagHI = flagVF = 1; flagHI = flagVF = 1;
if (narg == 9) { if (narg == 9) {
flagHI = utils::inumeric(FLERR,arg[7],false,lmp); flagHI = utils::inumeric(FLERR, arg[7], false, lmp);
flagVF = utils::inumeric(FLERR,arg[8],false,lmp); flagVF = utils::inumeric(FLERR, arg[8], false, lmp);
} }
if (flaglog == 1 && flagHI == 0) { if (flaglog == 1 && flagHI == 0) {
error->warning(FLERR,"Cannot include log terms without 1/r terms; " error->warning(FLERR,
"Cannot include log terms without 1/r terms; "
"setting flagHI to 1"); "setting flagHI to 1");
flagHI = 1; flagHI = 1;
} }
@ -394,7 +393,7 @@ void PairBrownian::settings(int narg, char **arg)
// initialize Marsaglia RNG with processor-unique seed // initialize Marsaglia RNG with processor-unique seed
delete random; delete random;
random = new RanMars(lmp,seed + comm->me); random = new RanMars(lmp, seed + comm->me);
// reset cutoffs that have been explicitly set // reset cutoffs that have been explicitly set
@ -414,33 +413,32 @@ void PairBrownian::settings(int narg, char **arg)
void PairBrownian::coeff(int narg, char **arg) void PairBrownian::coeff(int narg, char **arg)
{ {
if (narg != 2 && narg != 4) if (narg != 2 && narg != 4) error->all(FLERR, "Incorrect args for pair coefficients");
error->all(FLERR,"Incorrect args for pair coefficients");
if (!allocated) allocate(); if (!allocated) allocate();
int ilo,ihi,jlo,jhi; int ilo, ihi, jlo, jhi;
utils::bounds(FLERR,arg[0],1,atom->ntypes,ilo,ihi,error); utils::bounds(FLERR, arg[0], 1, atom->ntypes, ilo, ihi, error);
utils::bounds(FLERR,arg[1],1,atom->ntypes,jlo,jhi,error); utils::bounds(FLERR, arg[1], 1, atom->ntypes, jlo, jhi, error);
double cut_inner_one = cut_inner_global; double cut_inner_one = cut_inner_global;
double cut_one = cut_global; double cut_one = cut_global;
if (narg == 4) { if (narg == 4) {
cut_inner_one = utils::numeric(FLERR,arg[2],false,lmp); cut_inner_one = utils::numeric(FLERR, arg[2], false, lmp);
cut_one = utils::numeric(FLERR,arg[3],false,lmp); cut_one = utils::numeric(FLERR, arg[3], false, lmp);
} }
int count = 0; int count = 0;
for (int i = ilo; i <= ihi; i++) for (int i = ilo; i <= ihi; i++)
for (int j = MAX(jlo,i); j <= jhi; j++) { for (int j = MAX(jlo, i); j <= jhi; j++) {
cut_inner[i][j] = cut_inner_one; cut_inner[i][j] = cut_inner_one;
cut[i][j] = cut_one; cut[i][j] = cut_one;
setflag[i][j] = 1; setflag[i][j] = 1;
count++; count++;
} }
if (count == 0) error->all(FLERR,"Incorrect args for pair coefficients"); if (count == 0) error->all(FLERR, "Incorrect args for pair coefficients");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -449,18 +447,15 @@ void PairBrownian::coeff(int narg, char **arg)
void PairBrownian::init_style() void PairBrownian::init_style()
{ {
if (!atom->sphere_flag) if (!atom->sphere_flag) error->all(FLERR, "Pair brownian requires atom style sphere");
error->all(FLERR,"Pair brownian requires atom style sphere");
// if newton off, forces between atoms ij will be double computed // if newton off, forces between atoms ij will be double computed
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) if (force->newton_pair == 0 && comm->me == 0)
error->warning(FLERR, error->warning(FLERR, "Pair brownian needs newton pair on for momentum conservation");
"Pair brownian needs newton pair on for "
"momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
// insure all particles are finite-size // insure all particles are finite-size
// for pair hybrid, should limit test to types using the pair style // for pair hybrid, should limit test to types using the pair style
@ -469,17 +464,15 @@ void PairBrownian::init_style()
int nlocal = atom->nlocal; int nlocal = atom->nlocal;
for (int i = 0; i < nlocal; i++) for (int i = 0; i < nlocal; i++)
if (radius[i] == 0.0) if (radius[i] == 0.0) error->one(FLERR, "Pair brownian requires extended particles");
error->one(FLERR,"Pair brownian requires extended particles");
// require monodisperse system with same radii for all types // require monodisperse system with same radii for all types
double radtype; double radtype;
for (int i = 1; i <= atom->ntypes; i++) { for (int i = 1; i <= atom->ntypes; i++) {
if (!atom->radius_consistency(i,radtype)) if (!atom->radius_consistency(i, radtype))
error->all(FLERR,"Pair brownian requires monodisperse particles"); error->all(FLERR, "Pair brownian requires monodisperse particles");
if (i > 1 && radtype != rad) if (i > 1 && radtype != rad) error->all(FLERR, "Pair brownian requires monodisperse particles");
error->all(FLERR,"Pair brownian requires monodisperse particles");
rad = radtype; rad = radtype;
} }
@ -496,12 +489,10 @@ void PairBrownian::init_style()
flagdeform = flagwall = 0; flagdeform = flagwall = 0;
for (int i = 0; i < modify->nfix; i++) { for (int i = 0; i < modify->nfix; i++) {
if (strcmp(modify->fix[i]->style,"deform") == 0) if (strcmp(modify->fix[i]->style, "deform") == 0)
flagdeform = 1; flagdeform = 1;
else if (strstr(modify->fix[i]->style,"wall") != nullptr) { else if (strstr(modify->fix[i]->style, "wall") != nullptr) {
if (flagwall) if (flagwall) error->all(FLERR, "Cannot use multiple fix wall commands with pair brownian");
error->all(FLERR,
"Cannot use multiple fix wall commands with pair brownian");
flagwall = 1; // Walls exist flagwall = 1; // Walls exist
wallfix = (FixWall *) modify->fix[i]; wallfix = (FixWall *) modify->fix[i];
if (wallfix->xflag) flagwall = 2; // Moving walls exist if (wallfix->xflag) flagwall = 2; // Moving walls exist
@ -512,7 +503,8 @@ void PairBrownian::init_style()
// vol_T = total volumeshearing = flagdeform = flagwall = 0; // vol_T = total volumeshearing = flagdeform = flagwall = 0;
double vol_T, wallcoord; double vol_T, wallcoord;
if (!flagwall) vol_T = domain->xprd*domain->yprd*domain->zprd; if (!flagwall)
vol_T = domain->xprd * domain->yprd * domain->zprd;
else { else {
double wallhi[3], walllo[3]; double wallhi[3], walllo[3];
for (int j = 0; j < 3; j++) { for (int j = 0; j < 3; j++) {
@ -528,31 +520,33 @@ void PairBrownian::init_style()
wallcoord = input->variable->compute_equal(wallfix->xindex[m]); wallcoord = input->variable->compute_equal(wallfix->xindex[m]);
} }
else wallcoord = wallfix->coord0[m]; else
wallcoord = wallfix->coord0[m];
if (side == 0) walllo[dim] = wallcoord; if (side == 0)
else wallhi[dim] = wallcoord; walllo[dim] = wallcoord;
else
wallhi[dim] = wallcoord;
} }
vol_T = (wallhi[0] - walllo[0]) * (wallhi[1] - walllo[1]) * vol_T = (wallhi[0] - walllo[0]) * (wallhi[1] - walllo[1]) * (wallhi[2] - walllo[2]);
(wallhi[2] - walllo[2]);
} }
// vol_P = volume of particles, assuming mono-dispersity // vol_P = volume of particles, assuming mono-dispersity
// vol_f = volume fraction // vol_f = volume fraction
vol_P = atom->natoms*(4.0/3.0)*MY_PI*cube(rad); vol_P = atom->natoms * (4.0 / 3.0) * MY_PI * cube(rad);
double vol_f = vol_P/vol_T; double vol_f = vol_P / vol_T;
// set isotropic constants // set isotropic constants
if (!flagVF) vol_f = 0; if (!flagVF) vol_f = 0;
if (flaglog == 0) { if (flaglog == 0) {
R0 = 6*MY_PI*mu*rad*(1.0 + 2.16*vol_f); R0 = 6 * MY_PI * mu * rad * (1.0 + 2.16 * vol_f);
RT0 = 8*MY_PI*mu*cube(rad); // not actually needed RT0 = 8 * MY_PI * mu * cube(rad); // not actually needed
} else { } else {
R0 = 6*MY_PI*mu*rad*(1.0 + 2.725*vol_f - 6.583*vol_f*vol_f); R0 = 6 * MY_PI * mu * rad * (1.0 + 2.725 * vol_f - 6.583 * vol_f * vol_f);
RT0 = 8*MY_PI*mu*cube(rad)*(1.0 + 0.749*vol_f - 2.469*vol_f*vol_f); RT0 = 8 * MY_PI * mu * cube(rad) * (1.0 + 0.749 * vol_f - 2.469 * vol_f * vol_f);
} }
} }
@ -563,8 +557,8 @@ void PairBrownian::init_style()
double PairBrownian::init_one(int i, int j) double PairBrownian::init_one(int i, int j)
{ {
if (setflag[i][j] == 0) { if (setflag[i][j] == 0) {
cut_inner[i][j] = mix_distance(cut_inner[i][i],cut_inner[j][j]); cut_inner[i][j] = mix_distance(cut_inner[i][i], cut_inner[j][j]);
cut[i][j] = mix_distance(cut[i][i],cut[j][j]); cut[i][j] = mix_distance(cut[i][i], cut[j][j]);
} }
cut_inner[j][i] = cut_inner[i][j]; cut_inner[j][i] = cut_inner[i][j];
@ -580,13 +574,13 @@ void PairBrownian::write_restart(FILE *fp)
{ {
write_restart_settings(fp); write_restart_settings(fp);
int i,j; int i, j;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
fwrite(&setflag[i][j],sizeof(int),1,fp); fwrite(&setflag[i][j], sizeof(int), 1, fp);
if (setflag[i][j]) { if (setflag[i][j]) {
fwrite(&cut_inner[i][j],sizeof(double),1,fp); fwrite(&cut_inner[i][j], sizeof(double), 1, fp);
fwrite(&cut[i][j],sizeof(double),1,fp); fwrite(&cut[i][j], sizeof(double), 1, fp);
} }
} }
} }
@ -600,19 +594,19 @@ void PairBrownian::read_restart(FILE *fp)
read_restart_settings(fp); read_restart_settings(fp);
allocate(); allocate();
int i,j; int i, j;
int me = comm->me; int me = comm->me;
for (i = 1; i <= atom->ntypes; i++) for (i = 1; i <= atom->ntypes; i++)
for (j = i; j <= atom->ntypes; j++) { for (j = i; j <= atom->ntypes; j++) {
if (me == 0) utils::sfread(FLERR,&setflag[i][j],sizeof(int),1,fp,nullptr,error); if (me == 0) utils::sfread(FLERR, &setflag[i][j], sizeof(int), 1, fp, nullptr, error);
MPI_Bcast(&setflag[i][j],1,MPI_INT,0,world); MPI_Bcast(&setflag[i][j], 1, MPI_INT, 0, world);
if (setflag[i][j]) { if (setflag[i][j]) {
if (me == 0) { if (me == 0) {
utils::sfread(FLERR,&cut_inner[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_inner[i][j], sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut[i][j],sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut[i][j], sizeof(double), 1, fp, nullptr, error);
} }
MPI_Bcast(&cut_inner[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_inner[i][j], 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&cut[i][j],1,MPI_DOUBLE,0,world); MPI_Bcast(&cut[i][j], 1, MPI_DOUBLE, 0, world);
} }
} }
} }
@ -623,17 +617,17 @@ void PairBrownian::read_restart(FILE *fp)
void PairBrownian::write_restart_settings(FILE *fp) void PairBrownian::write_restart_settings(FILE *fp)
{ {
fwrite(&mu,sizeof(double),1,fp); fwrite(&mu, sizeof(double), 1, fp);
fwrite(&flaglog,sizeof(int),1,fp); fwrite(&flaglog, sizeof(int), 1, fp);
fwrite(&flagfld,sizeof(int),1,fp); fwrite(&flagfld, sizeof(int), 1, fp);
fwrite(&cut_inner_global,sizeof(double),1,fp); fwrite(&cut_inner_global, sizeof(double), 1, fp);
fwrite(&cut_global,sizeof(double),1,fp); fwrite(&cut_global, sizeof(double), 1, fp);
fwrite(&t_target,sizeof(double),1,fp); fwrite(&t_target, sizeof(double), 1, fp);
fwrite(&seed,sizeof(int),1,fp); fwrite(&seed, sizeof(int), 1, fp);
fwrite(&offset_flag,sizeof(int),1,fp); fwrite(&offset_flag, sizeof(int), 1, fp);
fwrite(&mix_flag,sizeof(int),1,fp); fwrite(&mix_flag, sizeof(int), 1, fp);
fwrite(&flagHI,sizeof(int),1,fp); fwrite(&flagHI, sizeof(int), 1, fp);
fwrite(&flagVF,sizeof(int),1,fp); fwrite(&flagVF, sizeof(int), 1, fp);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------
@ -644,57 +638,56 @@ void PairBrownian::read_restart_settings(FILE *fp)
{ {
int me = comm->me; int me = comm->me;
if (me == 0) { if (me == 0) {
utils::sfread(FLERR,&mu,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &mu, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&flaglog,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &flaglog, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&flagfld,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &flagfld, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut_inner_global,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_inner_global, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&cut_global,sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &cut_global, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&t_target, sizeof(double),1,fp,nullptr,error); utils::sfread(FLERR, &t_target, sizeof(double), 1, fp, nullptr, error);
utils::sfread(FLERR,&seed, sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &seed, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&offset_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &offset_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&mix_flag,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &mix_flag, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&flagHI,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &flagHI, sizeof(int), 1, fp, nullptr, error);
utils::sfread(FLERR,&flagVF,sizeof(int),1,fp,nullptr,error); utils::sfread(FLERR, &flagVF, sizeof(int), 1, fp, nullptr, error);
} }
MPI_Bcast(&mu,1,MPI_DOUBLE,0,world); MPI_Bcast(&mu, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&flaglog,1,MPI_INT,0,world); MPI_Bcast(&flaglog, 1, MPI_INT, 0, world);
MPI_Bcast(&flagfld,1,MPI_INT,0,world); MPI_Bcast(&flagfld, 1, MPI_INT, 0, world);
MPI_Bcast(&cut_inner_global,1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_inner_global, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&cut_global,1,MPI_DOUBLE,0,world); MPI_Bcast(&cut_global, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&t_target,1,MPI_DOUBLE,0,world); MPI_Bcast(&t_target, 1, MPI_DOUBLE, 0, world);
MPI_Bcast(&seed,1,MPI_INT,0,world); MPI_Bcast(&seed, 1, MPI_INT, 0, world);
MPI_Bcast(&offset_flag,1,MPI_INT,0,world); MPI_Bcast(&offset_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&mix_flag,1,MPI_INT,0,world); MPI_Bcast(&mix_flag, 1, MPI_INT, 0, world);
MPI_Bcast(&flagHI,1,MPI_INT,0,world); MPI_Bcast(&flagHI, 1, MPI_INT, 0, world);
MPI_Bcast(&flagVF,1,MPI_INT,0,world); MPI_Bcast(&flagVF, 1, MPI_INT, 0, world);
// additional setup based on restart parameters // additional setup based on restart parameters
delete random; delete random;
random = new RanMars(lmp,seed + comm->me); random = new RanMars(lmp, seed + comm->me);
} }
/* ----------------------------------------------------------------------*/ /* ----------------------------------------------------------------------*/
void PairBrownian::set_3_orthogonal_vectors(double p1[3], void PairBrownian::set_3_orthogonal_vectors(double p1[3], double p2[3], double p3[3])
double p2[3], double p3[3])
{ {
double norm; double norm;
int ix,iy,iz; int ix, iy, iz;
// find the index of maximum magnitude and store it in iz // find the index of maximum magnitude and store it in iz
if (fabs(p1[0]) > fabs(p1[1])) { if (fabs(p1[0]) > fabs(p1[1])) {
iz=0; iz = 0;
ix=1; ix = 1;
iy=2; iy = 2;
} else { } else {
iz=1; iz = 1;
ix=2; ix = 2;
iy=0; iy = 0;
} }
if (iz==0) { if (iz == 0) {
if (fabs(p1[0]) < fabs(p1[2])) { if (fabs(p1[0]) < fabs(p1[2])) {
iz = 2; iz = 2;
ix = 0; ix = 0;
@ -710,21 +703,21 @@ void PairBrownian::set_3_orthogonal_vectors(double p1[3],
// set p2 arbitrarily such that it's orthogonal to p1 // set p2 arbitrarily such that it's orthogonal to p1
p2[ix]=1.0; p2[ix] = 1.0;
p2[iy]=1.0; p2[iy] = 1.0;
p2[iz] = -(p1[ix]*p2[ix] + p1[iy]*p2[iy])/p1[iz]; p2[iz] = -(p1[ix] * p2[ix] + p1[iy] * p2[iy]) / p1[iz];
// normalize p2 // normalize p2
norm = sqrt(p2[0]*p2[0] + p2[1]*p2[1] + p2[2]*p2[2]); norm = sqrt(p2[0] * p2[0] + p2[1] * p2[1] + p2[2] * p2[2]);
p2[0] = p2[0]/norm; p2[0] = p2[0] / norm;
p2[1] = p2[1]/norm; p2[1] = p2[1] / norm;
p2[2] = p2[2]/norm; p2[2] = p2[2] / norm;
// Set p3 by taking the cross product p3=p2xp1 // Set p3 by taking the cross product p3=p2xp1
p3[0] = p1[1]*p2[2] - p1[2]*p2[1]; p3[0] = p1[1] * p2[2] - p1[2] * p2[1];
p3[1] = p1[2]*p2[0] - p1[0]*p2[2]; p3[1] = p1[2] * p2[0] - p1[0] * p2[2];
p3[2] = p1[0]*p2[1] - p1[1]*p2[0]; p3[2] = p1[0] * p2[1] - p1[1] * p2[0];
} }

View File

@ -19,24 +19,24 @@
#include "pair_brownian_poly.h" #include "pair_brownian_poly.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "neigh_request.h"
#include "domain.h" #include "domain.h"
#include "update.h" #include "error.h"
#include "modify.h"
#include "fix.h" #include "fix.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h"
#include "random_mars.h"
#include "math_const.h" #include "math_const.h"
#include "math_special.h" #include "math_special.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "random_mars.h"
#include "update.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -340,9 +340,7 @@ void PairBrownianPoly::init_style()
if (radius[i] == 0.0) if (radius[i] == 0.0)
error->one(FLERR,"Pair brownian/poly requires extended particles"); error->one(FLERR,"Pair brownian/poly requires extended particles");
int irequest = neighbor->request(this,instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
// set the isotropic constants that depend on the volume fraction // set the isotropic constants that depend on the volume fraction
// vol_T = total volume // vol_T = total volume

View File

@ -18,7 +18,6 @@
#include "pair_colloid.h" #include "pair_colloid.h"
#include <cmath>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h" #include "force.h"
@ -27,6 +26,7 @@
#include "memory.h" #include "memory.h"
#include "error.h" #include "error.h"
#include <cmath>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathSpecial; using namespace MathSpecial;

View File

@ -19,24 +19,24 @@
#include "pair_lubricate.h" #include "pair_lubricate.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "domain.h" #include "domain.h"
#include "modify.h" #include "error.h"
#include "fix.h" #include "fix.h"
#include "fix_deform.h" #include "fix_deform.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h"
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -536,7 +536,7 @@ void PairLubricate::init_style()
if (comm->ghost_velocity == 0) if (comm->ghost_velocity == 0)
error->all(FLERR,"Pair lubricate requires ghost atoms store velocity"); error->all(FLERR,"Pair lubricate requires ghost atoms store velocity");
neighbor->request(this,instance_me); neighbor->add_request(this);
// require that atom radii are identical within each type // require that atom radii are identical within each type
// require monodisperse system with same radii for all types // require monodisperse system with same radii for all types

View File

@ -18,24 +18,24 @@
#include "pair_lubricateU.h" #include "pair_lubricateU.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "domain.h" #include "domain.h"
#include "update.h" #include "error.h"
#include "math_const.h"
#include "modify.h"
#include "fix.h" #include "fix.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "update.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -1769,7 +1769,7 @@ void PairLubricateU::init_style()
if (comm->ghost_velocity == 0) if (comm->ghost_velocity == 0)
error->all(FLERR,"Pair lubricateU requires ghost atoms store velocity"); error->all(FLERR,"Pair lubricateU requires ghost atoms store velocity");
neighbor->request(this,instance_me); neighbor->add_request(this);
// require that atom radii are identical within each type // require that atom radii are identical within each type
// require monodisperse system with same radii for all types // require monodisperse system with same radii for all types

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@ -20,23 +20,23 @@
#include "pair_lubricateU_poly.h" #include "pair_lubricateU_poly.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "neigh_request.h"
#include "domain.h" #include "domain.h"
#include "modify.h" #include "error.h"
#include "fix.h" #include "fix.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h"
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -1235,7 +1235,5 @@ void PairLubricateUPoly::init_style()
RS0 = 20.0/3.0*MY_PI*mu*(1.0 + 3.64*vol_f - 6.95*vol_f*vol_f); RS0 = 20.0/3.0*MY_PI*mu*(1.0 + 3.64*vol_f - 6.95*vol_f*vol_f);
} }
int irequest = neighbor->request(this,instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
} }

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@ -20,23 +20,23 @@
#include "pair_lubricate_poly.h" #include "pair_lubricate_poly.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "neigh_request.h"
#include "domain.h" #include "domain.h"
#include "modify.h" #include "error.h"
#include "fix.h" #include "fix.h"
#include "fix_deform.h" #include "fix_deform.h"
#include "fix_wall.h" #include "fix_wall.h"
#include "force.h"
#include "input.h" #include "input.h"
#include "variable.h"
#include "math_const.h" #include "math_const.h"
#include "error.h" #include "modify.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "variable.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -445,9 +445,7 @@ void PairLubricatePoly::init_style()
if (radius[i] == 0.0) if (radius[i] == 0.0)
error->one(FLERR,"Pair lubricate/poly requires extended particles"); error->one(FLERR,"Pair lubricate/poly requires extended particles");
int irequest = neighbor->request(this,instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
// set the isotropic constants that depend on the volume fraction // set the isotropic constants that depend on the volume fraction
// vol_T = total volume // vol_T = total volume

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@ -124,14 +124,13 @@ void PairYukawaColloid::init_style()
if (!atom->sphere_flag) if (!atom->sphere_flag)
error->all(FLERR,"Pair yukawa/colloid requires atom style sphere"); error->all(FLERR,"Pair yukawa/colloid requires atom style sphere");
neighbor->request(this,instance_me); neighbor->add_request(this);
// require that atom radii are identical within each type // require that atom radii are identical within each type
for (int i = 1; i <= atom->ntypes; i++) for (int i = 1; i <= atom->ntypes; i++)
if (!atom->radius_consistency(i,rad[i])) if (!atom->radius_consistency(i,rad[i]))
error->all(FLERR,"Pair yukawa/colloid requires atoms with same type " error->all(FLERR,"Pair yukawa/colloid requires atoms with same type have same radius");
"have same radius");
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -40,7 +40,6 @@
#include "memory.h" #include "memory.h"
#include "msm_dielectric.h" #include "msm_dielectric.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include "pair_coul_cut_dielectric.h" #include "pair_coul_cut_dielectric.h"
#include "pair_coul_long_dielectric.h" #include "pair_coul_long_dielectric.h"
@ -265,12 +264,7 @@ void FixPolarizeFunctional::init()
// need a full neighbor list w/ Newton off and ghost neighbors // need a full neighbor list w/ Newton off and ghost neighbors
// built whenever re-neighboring occurs // built whenever re-neighboring occurs
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL | NeighConst::REQ_OCCASIONAL);
neighbor->requests[irequest]->pair = 0;
neighbor->requests[irequest]->fix = 1;
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
neighbor->requests[irequest]->occasional = 0;
if (force->kspace) if (force->kspace)
g_ewald = force->kspace->g_ewald; g_ewald = force->kspace->g_ewald;

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@ -24,7 +24,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -166,9 +165,7 @@ void PairCoulCutDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair coul/cut/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair coul/cut/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */

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@ -25,7 +25,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -211,9 +210,7 @@ void PairCoulLongDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair coul/long/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair coul/long/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;

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@ -24,7 +24,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -194,9 +193,7 @@ void PairLJCutCoulCutDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair lj/cut/coul/cut/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair lj/cut/coul/cut/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */

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@ -24,7 +24,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -198,9 +197,7 @@ void PairLJCutCoulDebyeDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair lj/cut/coul/debye/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair lj/cut/coul/debye/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
} }
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */

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@ -25,7 +25,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -248,9 +247,7 @@ void PairLJCutCoulLongDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair lj/cut/coul/long/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair lj/cut/coul/long/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;

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@ -25,7 +25,6 @@
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -356,9 +355,7 @@ void PairLJCutCoulMSMDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair lj/cut/coul/msm/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair lj/cut/coul/msm/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;

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@ -25,7 +25,6 @@
#include "math_extra.h" #include "math_extra.h"
#include "memory.h" #include "memory.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "neigh_request.h"
#include "neighbor.h" #include "neighbor.h"
#include <cmath> #include <cmath>
@ -75,9 +74,7 @@ void PairLJLongCoulLongDielectric::init_style()
avec = (AtomVecDielectric *) atom->style_match("dielectric"); avec = (AtomVecDielectric *) atom->style_match("dielectric");
if (!avec) error->all(FLERR, "Pair lj/long/coul/long/dielectric requires atom style dielectric"); if (!avec) error->all(FLERR, "Pair lj/long/coul/long/dielectric requires atom style dielectric");
int irequest = neighbor->request(this, instance_me); neighbor->add_request(this, NeighConst::REQ_FULL);
neighbor->requests[irequest]->half = 0;
neighbor->requests[irequest]->full = 1;
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -14,17 +14,17 @@
#include "pair_lj_cut_dipole_cut.h" #include "pair_lj_cut_dipole_cut.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "comm.h" #include "comm.h"
#include "error.h"
#include "force.h" #include "force.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "neigh_list.h"
#include "neighbor.h"
#include "update.h" #include "update.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
@ -362,7 +362,7 @@ void PairLJCutDipoleCut::init_style()
if (!atom->q_flag || !atom->mu_flag || !atom->torque_flag) if (!atom->q_flag || !atom->mu_flag || !atom->torque_flag)
error->all(FLERR,"Pair dipole/cut requires atom attributes q, mu, torque"); error->all(FLERR,"Pair dipole/cut requires atom attributes q, mu, torque");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -14,19 +14,19 @@
#include "pair_lj_cut_dipole_long.h" #include "pair_lj_cut_dipole_long.h"
#include <cmath>
#include <cstring>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "neighbor.h" #include "error.h"
#include "neigh_list.h"
#include "force.h" #include "force.h"
#include "kspace.h" #include "kspace.h"
#include "math_const.h" #include "math_const.h"
#include "memory.h" #include "memory.h"
#include "error.h" #include "neigh_list.h"
#include "neighbor.h"
#include "update.h" #include "update.h"
#include <cmath>
#include <cstring>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
using namespace MathConst; using namespace MathConst;
@ -454,7 +454,7 @@ void PairLJCutDipoleLong::init_style()
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -235,7 +235,7 @@ void PairLJLongDipoleLong::init_style()
if (!atom->mu_flag || !atom->torque_flag) if (!atom->mu_flag || !atom->torque_flag)
error->all(FLERR,"Pair lj/long/dipole/long requires atom attributes mu, torque"); error->all(FLERR,"Pair lj/long/dipole/long requires atom attributes mu, torque");
neighbor->request(this,instance_me); neighbor->add_request(this);
cut_coulsq = cut_coul * cut_coul; cut_coulsq = cut_coul * cut_coul;

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@ -37,12 +37,6 @@ static int warn_single = 0;
/* ---------------------------------------------------------------------- */ /* ---------------------------------------------------------------------- */
PairLJSFDipoleSF::PairLJSFDipoleSF(LAMMPS *lmp) : Pair(lmp)
{
}
/* ---------------------------------------------------------------------- */
PairLJSFDipoleSF::~PairLJSFDipoleSF() PairLJSFDipoleSF::~PairLJSFDipoleSF()
{ {
if (allocated) { if (allocated) {
@ -418,7 +412,7 @@ void PairLJSFDipoleSF::init_style()
if (!atom->q_flag || !atom->mu_flag || !atom->torque_flag) if (!atom->q_flag || !atom->mu_flag || !atom->torque_flag)
error->all(FLERR,"Pair dipole/sf requires atom attributes q, mu, torque"); error->all(FLERR,"Pair dipole/sf requires atom attributes q, mu, torque");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -26,7 +26,7 @@ namespace LAMMPS_NS {
class PairLJSFDipoleSF : public Pair { class PairLJSFDipoleSF : public Pair {
public: public:
PairLJSFDipoleSF(class LAMMPS *); PairLJSFDipoleSF(class LAMMPS *_lmp) : Pair(_lmp) {};
~PairLJSFDipoleSF() override; ~PairLJSFDipoleSF() override;
void compute(int, int) override; void compute(int, int) override;
void settings(int, char **) override; void settings(int, char **) override;

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@ -18,17 +18,17 @@
#include "pair_dpd.h" #include "pair_dpd.h"
#include <cmath>
#include "atom.h" #include "atom.h"
#include "comm.h" #include "comm.h"
#include "update.h"
#include "force.h"
#include "neighbor.h"
#include "neigh_list.h"
#include "random_mars.h"
#include "memory.h"
#include "error.h" #include "error.h"
#include "force.h"
#include "memory.h"
#include "neigh_list.h"
#include "neighbor.h"
#include "random_mars.h"
#include "update.h"
#include <cmath>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;
@ -257,10 +257,10 @@ void PairDPD::init_style()
// if newton off, forces between atoms ij will be double computed // if newton off, forces between atoms ij will be double computed
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) error->warning(FLERR, if (force->newton_pair == 0 && comm->me == 0)
"Pair dpd needs newton pair on for momentum conservation"); error->warning(FLERR, "Pair dpd needs newton pair on for momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -326,10 +326,10 @@ void PairDPDExt::init_style()
// if newton off, forces between atoms ij will be double computed // if newton off, forces between atoms ij will be double computed
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) error->warning(FLERR, if (force->newton_pair == 0 && comm->me == 0)
"Pair dpd needs newton pair on for momentum conservation"); error->warning(FLERR, "Pair dpd needs newton pair on for momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -14,15 +14,15 @@
#include "pair_dpd_tstat.h" #include "pair_dpd_tstat.h"
#include <cmath>
#include "atom.h" #include "atom.h"
#include "update.h" #include "comm.h"
#include "error.h"
#include "force.h" #include "force.h"
#include "neigh_list.h" #include "neigh_list.h"
#include "comm.h"
#include "random_mars.h" #include "random_mars.h"
#include "error.h" #include "update.h"
#include <cmath>
using namespace LAMMPS_NS; using namespace LAMMPS_NS;

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@ -375,10 +375,10 @@ void PairEDPD::init_style()
// if newton off, forces between atoms ij will be double computed // if newton off, forces between atoms ij will be double computed
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) error->warning(FLERR, if (force->newton_pair == 0 && comm->me == 0)
"Pair tdpd needs newton pair on for momentum conservation"); error->warning(FLERR, "Pair tdpd needs newton pair on for momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -287,10 +287,10 @@ void PairMDPD::init_style()
// if newton off, forces between atoms ij will be double computed // if newton off, forces between atoms ij will be double computed
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) error->warning(FLERR, if (force->newton_pair == 0 && comm->me == 0)
"Pair mdpd needs newton pair on for momentum conservation"); error->warning(FLERR, "Pair mdpd needs newton pair on for momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------

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@ -328,10 +328,9 @@ void PairTDPD::init_style()
// using different random numbers // using different random numbers
if (force->newton_pair == 0 && comm->me == 0) if (force->newton_pair == 0 && comm->me == 0)
error->warning(FLERR,"Pair tdpd needs newton pair on " error->warning(FLERR,"Pair tdpd needs newton pair on for momentum conservation");
"for momentum conservation");
neighbor->request(this,instance_me); neighbor->add_request(this);
} }
/* ---------------------------------------------------------------------- /* ----------------------------------------------------------------------