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@ -1,4 +1,3 @@
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// clang-format off
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/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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https://www.lammps.org/, Sandia National Laboratories
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@ -34,51 +33,49 @@
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#include "update.h"
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#include "variable.h"
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#include <cstring>
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#include <cmath>
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#include <cstring>
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using namespace LAMMPS_NS;
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enum{PAIR,ATOM};
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enum{CHARGE};
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enum { PAIR, ATOM };
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enum { CHARGE };
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/* ---------------------------------------------------------------------- */
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ComputeFEP::ComputeFEP(LAMMPS *lmp, int narg, char **arg) :
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Compute(lmp, narg, arg)
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ComputeFEP::ComputeFEP(LAMMPS *lmp, int narg, char **arg) : Compute(lmp, narg, arg)
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{
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if (narg < 5) error->all(FLERR,"Illegal number of arguments in compute fep");
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if (narg < 5) error->all(FLERR, "Illegal number of arguments in compute fep");
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scalar_flag = 0;
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vector_flag = 1;
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size_vector = 3;
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extvector = 0;
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const int ntypes = atom->ntypes;
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vector = new double[size_vector];
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fepinitflag = 0; // avoid init to run entirely when called by write_data
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temp_fep = utils::numeric(FLERR,arg[3],false,lmp);
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temp_fep = utils::numeric(FLERR, arg[3], false, lmp);
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// count # of perturbations
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npert = 0;
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int iarg = 4;
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while (iarg < narg) {
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if (strcmp(arg[iarg],"pair") == 0) {
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if (iarg+6 > narg) error->all(FLERR,
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"Illegal pair attribute in compute fep");
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if (strcmp(arg[iarg], "pair") == 0) {
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if (iarg + 6 > narg) error->all(FLERR, "Illegal pair attribute in compute fep");
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npert++;
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iarg += 6;
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} else if (strcmp(arg[iarg],"atom") == 0) {
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if (iarg+4 > narg) error->all(FLERR,
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"Illegal atom attribute in compute fep");
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} else if (strcmp(arg[iarg], "atom") == 0) {
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if (iarg + 4 > narg) error->all(FLERR, "Illegal atom attribute in compute fep");
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npert++;
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iarg += 4;
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} else break;
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} else
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break;
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}
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if (npert == 0) error->all(FLERR,"Illegal syntax in compute fep");
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if (npert == 0) error->all(FLERR, "Illegal syntax in compute fep");
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perturb = new Perturb[npert];
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// parse keywords
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@ -88,33 +85,34 @@ ComputeFEP::ComputeFEP(LAMMPS *lmp, int narg, char **arg) :
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iarg = 4;
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while (iarg < narg) {
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if (strcmp(arg[iarg],"pair") == 0) {
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if (strcmp(arg[iarg], "pair") == 0) {
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perturb[npert].which = PAIR;
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perturb[npert].pstyle = utils::strdup(arg[iarg+1]);
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perturb[npert].pparam = utils::strdup(arg[iarg+2]);
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utils::bounds(FLERR,arg[iarg+3],1,atom->ntypes,
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perturb[npert].ilo,perturb[npert].ihi,error);
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utils::bounds(FLERR,arg[iarg+4],1,atom->ntypes,
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perturb[npert].jlo,perturb[npert].jhi,error);
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if (utils::strmatch(arg[iarg+5],"^v_")) {
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perturb[npert].var = utils::strdup(arg[iarg+5]+2);
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} else error->all(FLERR,"Illegal variable in compute fep");
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perturb[npert].pstyle = utils::strdup(arg[iarg + 1]);
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perturb[npert].pparam = utils::strdup(arg[iarg + 2]);
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utils::bounds(FLERR, arg[iarg + 3], 1, ntypes, perturb[npert].ilo, perturb[npert].ihi, error);
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utils::bounds(FLERR, arg[iarg + 4], 1, ntypes, perturb[npert].jlo, perturb[npert].jhi, error);
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if (utils::strmatch(arg[iarg + 5], "^v_")) {
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perturb[npert].var = utils::strdup(arg[iarg + 5] + 2);
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} else
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error->all(FLERR, "Illegal variable in compute fep");
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npert++;
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iarg += 6;
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} else if (strcmp(arg[iarg],"atom") == 0) {
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} else if (strcmp(arg[iarg], "atom") == 0) {
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perturb[npert].which = ATOM;
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if (strcmp(arg[iarg+1],"charge") == 0) {
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if (strcmp(arg[iarg + 1], "charge") == 0) {
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perturb[npert].aparam = CHARGE;
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chgflag = 1;
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} else error->all(FLERR,"Illegal atom argument in compute fep");
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utils::bounds(FLERR,arg[iarg+2],1,atom->ntypes,
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perturb[npert].ilo,perturb[npert].ihi,error);
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if (utils::strmatch(arg[iarg+3],"^v_")) {
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perturb[npert].var = utils::strdup(arg[iarg+3]+2);
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} else error->all(FLERR,"Illegal variable in compute fep");
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} else
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error->all(FLERR, "Illegal atom argument in compute fep");
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utils::bounds(FLERR, arg[iarg + 2], 1, ntypes, perturb[npert].ilo, perturb[npert].ihi, error);
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if (utils::strmatch(arg[iarg + 3], "^v_")) {
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perturb[npert].var = utils::strdup(arg[iarg + 3] + 2);
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} else
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error->all(FLERR, "Illegal variable in compute fep");
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npert++;
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iarg += 4;
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} else break;
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} else
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break;
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}
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// optional keywords
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@ -123,24 +121,23 @@ ComputeFEP::ComputeFEP(LAMMPS *lmp, int narg, char **arg) :
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volumeflag = 0;
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while (iarg < narg) {
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if (strcmp(arg[iarg],"tail") == 0) {
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if (iarg+2 > narg) error->all(FLERR,"Illegal optional keyword in compute fep");
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tailflag = utils::logical(FLERR,arg[iarg+1],false,lmp);
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if (strcmp(arg[iarg], "tail") == 0) {
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if (iarg + 2 > narg) error->all(FLERR, "Illegal optional keyword in compute fep");
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tailflag = utils::logical(FLERR, arg[iarg + 1], false, lmp);
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iarg += 2;
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} else if (strcmp(arg[iarg],"volume") == 0) {
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if (iarg+2 > narg) error->all(FLERR,"Illegal optional keyword in compute fep");
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volumeflag = utils::logical(FLERR,arg[iarg+1],false,lmp);
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} else if (strcmp(arg[iarg], "volume") == 0) {
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if (iarg + 2 > narg) error->all(FLERR, "Illegal optional keyword in compute fep");
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volumeflag = utils::logical(FLERR, arg[iarg + 1], false, lmp);
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iarg += 2;
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} else
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error->all(FLERR,"Illegal optional keyword in compute fep");
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error->all(FLERR, "Illegal optional keyword in compute fep");
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}
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// allocate pair style arrays
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int ntype = atom->ntypes;
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for (int m = 0; m < npert; m++) {
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if (perturb[m].which == PAIR)
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memory->create(perturb[m].array_orig,ntype+1,ntype+1,"fep:array_orig");
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memory->create(perturb[m].array_orig, ntypes + 1, ntypes + 1, "fep:array_orig");
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}
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// allocate space for charge, force, energy, virial arrays
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@ -159,17 +156,17 @@ ComputeFEP::ComputeFEP(LAMMPS *lmp, int narg, char **arg) :
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ComputeFEP::~ComputeFEP()
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{
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delete [] vector;
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delete[] vector;
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for (int m = 0; m < npert; m++) {
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delete [] perturb[m].var;
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delete[] perturb[m].var;
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if (perturb[m].which == PAIR) {
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delete [] perturb[m].pstyle;
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delete [] perturb[m].pparam;
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delete[] perturb[m].pstyle;
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delete[] perturb[m].pparam;
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memory->destroy(perturb[m].array_orig);
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}
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}
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delete [] perturb;
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delete[] perturb;
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deallocate_storage();
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}
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@ -178,11 +175,12 @@ ComputeFEP::~ComputeFEP()
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void ComputeFEP::init()
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{
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int i,j;
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int i, j;
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if (!fepinitflag) // avoid init to run entirely when called by write_data
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fepinitflag = 1;
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else return;
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fepinitflag = 1;
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else
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return;
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// setup and error checks
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@ -192,49 +190,49 @@ void ComputeFEP::init()
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Perturb *pert = &perturb[m];
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pert->ivar = input->variable->find(pert->var);
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if (pert->ivar < 0)
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error->all(FLERR,"Variable name for compute fep does not exist");
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if (pert->ivar < 0) error->all(FLERR, "Variable name for compute fep does not exist");
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if (!input->variable->equalstyle(pert->ivar))
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error->all(FLERR,"Variable for compute fep is of invalid style");
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error->all(FLERR, "Variable for compute fep is of invalid style");
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if (force->pair == nullptr)
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error->all(FLERR,"compute fep pair requires pair interactions");
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if (force->pair == nullptr) error->all(FLERR, "compute fep pair requires pair interactions");
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if (pert->which == PAIR) {
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pairflag = 1;
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Pair *pair = force->pair_match(pert->pstyle,1);
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if (pair == nullptr) error->all(FLERR,"compute fep pair style "
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"does not exist");
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void *ptr = pair->extract(pert->pparam,pert->pdim);
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if (ptr == nullptr)
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error->all(FLERR,"compute fep pair style param not supported");
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Pair *pair = force->pair_match(pert->pstyle, 1);
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if (pair == nullptr)
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error->all(FLERR,
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"compute fep pair style "
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"does not exist");
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void *ptr = pair->extract(pert->pparam, pert->pdim);
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if (ptr == nullptr) error->all(FLERR, "compute fep pair style param not supported");
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pert->array = (double **) ptr;
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// if pair hybrid, test that ilo,ihi,jlo,jhi are valid for sub-style
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if ((strcmp(force->pair_style,"hybrid") == 0 ||
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strcmp(force->pair_style,"hybrid/overlay") == 0)) {
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if ((strcmp(force->pair_style, "hybrid") == 0 ||
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strcmp(force->pair_style, "hybrid/overlay") == 0)) {
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PairHybrid *pair = (PairHybrid *) force->pair;
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for (i = pert->ilo; i <= pert->ihi; i++)
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for (j = MAX(pert->jlo,i); j <= pert->jhi; j++)
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if (!pair->check_ijtype(i,j,pert->pstyle))
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error->all(FLERR,"compute fep type pair range is not valid for "
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for (j = MAX(pert->jlo, i); j <= pert->jhi; j++)
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if (!pair->check_ijtype(i, j, pert->pstyle))
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error->all(FLERR,
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"compute fep type pair range is not valid for "
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"pair hybrid sub-style");
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}
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} else if (pert->which == ATOM) {
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if (pert->aparam == CHARGE) {
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if (!atom->q_flag)
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error->all(FLERR,"compute fep requires atom attribute charge");
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if (!atom->q_flag) error->all(FLERR, "compute fep requires atom attribute charge");
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}
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}
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}
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if (tailflag) {
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if (force->pair->tail_flag == 0)
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error->all(FLERR,"Compute fep tail when pair style does not "
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error->all(FLERR,
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"Compute fep tail when pair style does not "
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"compute tail corrections");
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}
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@ -244,65 +242,46 @@ void ComputeFEP::init()
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if (ifixgpu >= 0) fixgpu = modify->fix[ifixgpu];
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if (comm->me == 0) {
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if (screen) {
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fprintf(screen, "FEP settings ...\n");
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fprintf(screen, " temperature = %f\n", temp_fep);
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fprintf(screen, " tail %s\n", (tailflag ? "yes":"no"));
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for (int m = 0; m < npert; m++) {
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Perturb *pert = &perturb[m];
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if (pert->which == PAIR)
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fprintf(screen, " pair %s %s %d-%d %d-%d\n", pert->pstyle,
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pert->pparam,
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pert->ilo, pert->ihi, pert->jlo, pert->jhi);
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else if (pert->which == ATOM)
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fprintf(screen, " atom charge %d-%d\n", pert->ilo, pert->ihi);
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}
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}
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if (logfile) {
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fprintf(logfile, "FEP settings ...\n");
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fprintf(logfile, " temperature = %f\n", temp_fep);
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fprintf(logfile, " tail %s\n", (tailflag ? "yes":"no"));
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for (int m = 0; m < npert; m++) {
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Perturb *pert = &perturb[m];
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if (pert->which == PAIR)
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fprintf(logfile, " pair %s %s %d-%d %d-%d\n", pert->pstyle,
|
|
|
|
|
pert->pparam,
|
|
|
|
|
pert->ilo, pert->ihi, pert->jlo, pert->jhi);
|
|
|
|
|
else if (pert->which == ATOM)
|
|
|
|
|
fprintf(logfile, " atom charge %d-%d\n", pert->ilo, pert->ihi);
|
|
|
|
|
}
|
|
|
|
|
auto mesg = fmt::format("FEP settings ...\n temperature = {:f}\n", temp_fep);
|
|
|
|
|
mesg += fmt::format(" tail {}\n", (tailflag ? "yes" : "no"));
|
|
|
|
|
for (int m = 0; m < npert; m++) {
|
|
|
|
|
Perturb *pert = &perturb[m];
|
|
|
|
|
if (pert->which == PAIR)
|
|
|
|
|
mesg += fmt::format(" pair {} {} {}-{} {}-{}\n", pert->pstyle, pert->pparam, pert->ilo,
|
|
|
|
|
pert->ihi, pert->jlo, pert->jhi);
|
|
|
|
|
else if (pert->which == ATOM)
|
|
|
|
|
mesg += fmt::format(" atom charge {}-{}\n", pert->ilo, pert->ihi);
|
|
|
|
|
}
|
|
|
|
|
utils::logmesg(lmp, mesg);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* ---------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ComputeFEP::compute_vector()
|
|
|
|
|
{
|
|
|
|
|
double pe0,pe1;
|
|
|
|
|
double pe0, pe1;
|
|
|
|
|
|
|
|
|
|
eflag = 1;
|
|
|
|
|
vflag = 0;
|
|
|
|
|
|
|
|
|
|
invoked_vector = update->ntimestep;
|
|
|
|
|
|
|
|
|
|
if (atom->nmax > nmax) { // reallocate working arrays if necessary
|
|
|
|
|
if (atom->nmax > nmax) { // reallocate working arrays if necessary
|
|
|
|
|
deallocate_storage();
|
|
|
|
|
allocate_storage();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
backup_qfev(); // backup charge, force, energy, virial array values
|
|
|
|
|
backup_params(); // backup pair parameters
|
|
|
|
|
backup_qfev(); // backup charge, force, energy, virial array values
|
|
|
|
|
backup_params(); // backup pair parameters
|
|
|
|
|
|
|
|
|
|
timer->stamp();
|
|
|
|
|
if (force->pair && force->pair->compute_flag) {
|
|
|
|
|
force->pair->compute(eflag,vflag);
|
|
|
|
|
force->pair->compute(eflag, vflag);
|
|
|
|
|
timer->stamp(Timer::PAIR);
|
|
|
|
|
}
|
|
|
|
|
if (chgflag && force->kspace && force->kspace->compute_flag) {
|
|
|
|
|
force->kspace->compute(eflag,vflag);
|
|
|
|
|
force->kspace->compute(eflag, vflag);
|
|
|
|
|
timer->stamp(Timer::KSPACE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -315,11 +294,11 @@ void ComputeFEP::compute_vector()
|
|
|
|
|
|
|
|
|
|
timer->stamp();
|
|
|
|
|
if (force->pair && force->pair->compute_flag) {
|
|
|
|
|
force->pair->compute(eflag,vflag);
|
|
|
|
|
force->pair->compute(eflag, vflag);
|
|
|
|
|
timer->stamp(Timer::PAIR);
|
|
|
|
|
}
|
|
|
|
|
if (chgflag && force->kspace && force->kspace->compute_flag) {
|
|
|
|
|
force->kspace->compute(eflag,vflag);
|
|
|
|
|
force->kspace->compute(eflag, vflag);
|
|
|
|
|
timer->stamp(Timer::KSPACE);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -330,17 +309,15 @@ void ComputeFEP::compute_vector()
|
|
|
|
|
|
|
|
|
|
pe1 = compute_epair();
|
|
|
|
|
|
|
|
|
|
restore_qfev(); // restore charge, force, energy, virial array values
|
|
|
|
|
restore_params(); // restore pair parameters
|
|
|
|
|
restore_qfev(); // restore charge, force, energy, virial array values
|
|
|
|
|
restore_params(); // restore pair parameters
|
|
|
|
|
|
|
|
|
|
vector[0] = pe1-pe0;
|
|
|
|
|
vector[1] = exp(-(pe1-pe0)/(force->boltz*temp_fep));
|
|
|
|
|
vector[0] = pe1 - pe0;
|
|
|
|
|
vector[1] = exp(-(pe1 - pe0) / (force->boltz * temp_fep));
|
|
|
|
|
vector[2] = domain->xprd * domain->yprd * domain->zprd;
|
|
|
|
|
if (volumeflag)
|
|
|
|
|
vector[1] *= vector[2];
|
|
|
|
|
if (volumeflag) vector[1] *= vector[2];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
obtain pair energy from lammps accumulators
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
@ -350,9 +327,8 @@ double ComputeFEP::compute_epair()
|
|
|
|
|
double eng, eng_pair;
|
|
|
|
|
|
|
|
|
|
eng = 0.0;
|
|
|
|
|
if (force->pair)
|
|
|
|
|
eng = force->pair->eng_vdwl + force->pair->eng_coul;
|
|
|
|
|
MPI_Allreduce(&eng,&eng_pair,1,MPI_DOUBLE,MPI_SUM,world);
|
|
|
|
|
if (force->pair) eng = force->pair->eng_vdwl + force->pair->eng_coul;
|
|
|
|
|
MPI_Allreduce(&eng, &eng_pair, 1, MPI_DOUBLE, MPI_SUM, world);
|
|
|
|
|
|
|
|
|
|
if (tailflag) {
|
|
|
|
|
double volume = domain->xprd * domain->yprd * domain->zprd;
|
|
|
|
|
@ -364,28 +340,27 @@ double ComputeFEP::compute_epair()
|
|
|
|
|
return eng_pair;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
apply perturbation to pair, atom parameters based on variable evaluation
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
|
|
void ComputeFEP::perturb_params()
|
|
|
|
|
{
|
|
|
|
|
int i,j;
|
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
|
|
for (int m = 0; m < npert; m++) {
|
|
|
|
|
Perturb *pert = &perturb[m];
|
|
|
|
|
|
|
|
|
|
double delta = input->variable->compute_equal(pert->ivar);
|
|
|
|
|
|
|
|
|
|
if (pert->which == PAIR) { // modify pair parameters
|
|
|
|
|
if (pert->which == PAIR) { // modify pair parameters
|
|
|
|
|
for (i = pert->ilo; i <= pert->ihi; i++)
|
|
|
|
|
for (j = MAX(pert->jlo,i); j <= pert->jhi; j++)
|
|
|
|
|
for (j = MAX(pert->jlo, i); j <= pert->jhi; j++)
|
|
|
|
|
pert->array[i][j] = pert->array_orig[i][j] + delta;
|
|
|
|
|
|
|
|
|
|
} else if (pert->which == ATOM) {
|
|
|
|
|
|
|
|
|
|
if (pert->aparam == CHARGE) { // modify charges
|
|
|
|
|
if (pert->aparam == CHARGE) { // modify charges
|
|
|
|
|
int *atype = atom->type;
|
|
|
|
|
double *q = atom->q;
|
|
|
|
|
int *mask = atom->mask;
|
|
|
|
|
@ -393,9 +368,7 @@ void ComputeFEP::perturb_params()
|
|
|
|
|
|
|
|
|
|
for (i = 0; i < natom; i++)
|
|
|
|
|
if (atype[i] >= pert->ilo && atype[i] <= pert->ihi)
|
|
|
|
|
if (mask[i] & groupbit)
|
|
|
|
|
q[i] += delta;
|
|
|
|
|
|
|
|
|
|
if (mask[i] & groupbit) q[i] += delta;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
@ -411,40 +384,36 @@ void ComputeFEP::perturb_params()
|
|
|
|
|
if (chgflag && force->kspace) force->kspace->qsum_qsq();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
backup pair parameters
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
|
|
void ComputeFEP::backup_params()
|
|
|
|
|
{
|
|
|
|
|
int i,j;
|
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
|
|
for (int m = 0; m < npert; m++) {
|
|
|
|
|
Perturb *pert = &perturb[m];
|
|
|
|
|
if (pert->which == PAIR) {
|
|
|
|
|
for (i = pert->ilo; i <= pert->ihi; i++)
|
|
|
|
|
for (j = MAX(pert->jlo,i); j <= pert->jhi; j++)
|
|
|
|
|
pert->array_orig[i][j] = pert->array[i][j];
|
|
|
|
|
for (j = MAX(pert->jlo, i); j <= pert->jhi; j++) pert->array_orig[i][j] = pert->array[i][j];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
restore pair parameters to original values
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
|
|
|
|
|
void ComputeFEP::restore_params()
|
|
|
|
|
{
|
|
|
|
|
int i,j;
|
|
|
|
|
int i, j;
|
|
|
|
|
|
|
|
|
|
for (int m = 0; m < npert; m++) {
|
|
|
|
|
Perturb *pert = &perturb[m];
|
|
|
|
|
if (pert->which == PAIR) {
|
|
|
|
|
for (i = pert->ilo; i <= pert->ihi; i++)
|
|
|
|
|
for (j = MAX(pert->jlo,i); j <= pert->jhi; j++)
|
|
|
|
|
pert->array[i][j] = pert->array_orig[i][j];
|
|
|
|
|
for (j = MAX(pert->jlo, i); j <= pert->jhi; j++) pert->array[i][j] = pert->array_orig[i][j];
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
@ -455,7 +424,6 @@ void ComputeFEP::restore_params()
|
|
|
|
|
if (chgflag && force->kspace) force->kspace->qsum_qsq();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
manage storage for charge, force, energy, virial arrays
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
@ -463,14 +431,14 @@ void ComputeFEP::restore_params()
|
|
|
|
|
void ComputeFEP::allocate_storage()
|
|
|
|
|
{
|
|
|
|
|
nmax = atom->nmax;
|
|
|
|
|
memory->create(f_orig,nmax,3,"fep:f_orig");
|
|
|
|
|
memory->create(peatom_orig,nmax,"fep:peatom_orig");
|
|
|
|
|
memory->create(pvatom_orig,nmax,6,"fep:pvatom_orig");
|
|
|
|
|
memory->create(f_orig, nmax, 3, "fep:f_orig");
|
|
|
|
|
memory->create(peatom_orig, nmax, "fep:peatom_orig");
|
|
|
|
|
memory->create(pvatom_orig, nmax, 6, "fep:pvatom_orig");
|
|
|
|
|
if (chgflag) {
|
|
|
|
|
memory->create(q_orig,nmax,"fep:q_orig");
|
|
|
|
|
memory->create(q_orig, nmax, "fep:q_orig");
|
|
|
|
|
if (force->kspace) {
|
|
|
|
|
memory->create(keatom_orig,nmax,"fep:keatom_orig");
|
|
|
|
|
memory->create(kvatom_orig,nmax,6,"fep:kvatom_orig");
|
|
|
|
|
memory->create(keatom_orig, nmax, "fep:keatom_orig");
|
|
|
|
|
memory->create(kvatom_orig, nmax, 6, "fep:kvatom_orig");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
@ -492,7 +460,6 @@ void ComputeFEP::deallocate_storage()
|
|
|
|
|
pvatom_orig = kvatom_orig = nullptr;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/* ----------------------------------------------------------------------
|
|
|
|
|
backup and restore arrays with charge, force, energy, virial
|
|
|
|
|
------------------------------------------------------------------------- */
|
|
|
|
|
@ -503,8 +470,7 @@ void ComputeFEP::backup_qfev()
|
|
|
|
|
|
|
|
|
|
int nall = atom->nlocal + atom->nghost;
|
|
|
|
|
int natom = atom->nlocal;
|
|
|
|
|
if (force->newton || force->kspace->tip4pflag)
|
|
|
|
|
natom += atom->nghost;
|
|
|
|
|
if (force->newton || force->kspace->tip4pflag) natom += atom->nghost;
|
|
|
|
|
|
|
|
|
|
double **f = atom->f;
|
|
|
|
|
for (i = 0; i < natom; i++) {
|
|
|
|
|
@ -525,8 +491,7 @@ void ComputeFEP::backup_qfev()
|
|
|
|
|
|
|
|
|
|
if (update->eflag_atom) {
|
|
|
|
|
double *peatom = force->pair->eatom;
|
|
|
|
|
for (i = 0; i < natom; i++)
|
|
|
|
|
peatom_orig[i] = peatom[i];
|
|
|
|
|
for (i = 0; i < natom; i++) peatom_orig[i] = peatom[i];
|
|
|
|
|
}
|
|
|
|
|
if (update->vflag_atom) {
|
|
|
|
|
double **pvatom = force->pair->vatom;
|
|
|
|
|
@ -542,8 +507,7 @@ void ComputeFEP::backup_qfev()
|
|
|
|
|
|
|
|
|
|
if (chgflag) {
|
|
|
|
|
double *q = atom->q;
|
|
|
|
|
for (i = 0; i < nall; i++)
|
|
|
|
|
q_orig[i] = q[i];
|
|
|
|
|
for (i = 0; i < nall; i++) q_orig[i] = q[i];
|
|
|
|
|
|
|
|
|
|
if (force->kspace) {
|
|
|
|
|
energy_orig = force->kspace->energy;
|
|
|
|
|
@ -556,8 +520,7 @@ void ComputeFEP::backup_qfev()
|
|
|
|
|
|
|
|
|
|
if (update->eflag_atom) {
|
|
|
|
|
double *keatom = force->kspace->eatom;
|
|
|
|
|
for (i = 0; i < natom; i++)
|
|
|
|
|
keatom_orig[i] = keatom[i];
|
|
|
|
|
for (i = 0; i < natom; i++) keatom_orig[i] = keatom[i];
|
|
|
|
|
}
|
|
|
|
|
if (update->vflag_atom) {
|
|
|
|
|
double **kvatom = force->kspace->vatom;
|
|
|
|
|
@ -582,8 +545,7 @@ void ComputeFEP::restore_qfev()
|
|
|
|
|
|
|
|
|
|
int nall = atom->nlocal + atom->nghost;
|
|
|
|
|
int natom = atom->nlocal;
|
|
|
|
|
if (force->newton || force->kspace->tip4pflag)
|
|
|
|
|
natom += atom->nghost;
|
|
|
|
|
if (force->newton || force->kspace->tip4pflag) natom += atom->nghost;
|
|
|
|
|
|
|
|
|
|
double **f = atom->f;
|
|
|
|
|
for (i = 0; i < natom; i++) {
|
|
|
|
|
@ -604,8 +566,7 @@ void ComputeFEP::restore_qfev()
|
|
|
|
|
|
|
|
|
|
if (update->eflag_atom) {
|
|
|
|
|
double *peatom = force->pair->eatom;
|
|
|
|
|
for (i = 0; i < natom; i++)
|
|
|
|
|
peatom[i] = peatom_orig[i];
|
|
|
|
|
for (i = 0; i < natom; i++) peatom[i] = peatom_orig[i];
|
|
|
|
|
}
|
|
|
|
|
if (update->vflag_atom) {
|
|
|
|
|
double **pvatom = force->pair->vatom;
|
|
|
|
|
@ -621,8 +582,7 @@ void ComputeFEP::restore_qfev()
|
|
|
|
|
|
|
|
|
|
if (chgflag) {
|
|
|
|
|
double *q = atom->q;
|
|
|
|
|
for (i = 0; i < nall; i++)
|
|
|
|
|
q[i] = q_orig[i];
|
|
|
|
|
for (i = 0; i < nall; i++) q[i] = q_orig[i];
|
|
|
|
|
|
|
|
|
|
if (force->kspace) {
|
|
|
|
|
force->kspace->energy = energy_orig;
|
|
|
|
|
@ -635,8 +595,7 @@ void ComputeFEP::restore_qfev()
|
|
|
|
|
|
|
|
|
|
if (update->eflag_atom) {
|
|
|
|
|
double *keatom = force->kspace->eatom;
|
|
|
|
|
for (i = 0; i < natom; i++)
|
|
|
|
|
keatom[i] = keatom_orig[i];
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for (i = 0; i < natom; i++) keatom[i] = keatom_orig[i];
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}
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if (update->vflag_atom) {
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double **kvatom = force->kspace->vatom;
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@ -652,4 +611,3 @@ void ComputeFEP::restore_qfev()
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}
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}
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}
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