Files
lammps/src/ntopo_bond_template.cpp

101 lines
3.0 KiB
C++

/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
https://www.lammps.org/, Sandia National Laboratories
LAMMPS development team: developers@lammps.org
Copyright (2003) Sandia Corporation. Under the terms of Contract
DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
certain rights in this software. This software is distributed under
the GNU General Public License.
See the README file in the top-level LAMMPS directory.
------------------------------------------------------------------------- */
#include "ntopo_bond_template.h"
#include "atom.h"
#include "atom_vec.h"
#include "domain.h"
#include "error.h"
#include "force.h"
#include "memory.h"
#include "molecule.h"
#include "output.h"
#include "thermo.h"
#include "update.h"
using namespace LAMMPS_NS;
static constexpr int DELTA = 10000;
/* ---------------------------------------------------------------------- */
NTopoBondTemplate::NTopoBondTemplate(LAMMPS *lmp) : NTopo(lmp)
{
allocate_bond();
}
/* ---------------------------------------------------------------------- */
void NTopoBondTemplate::build()
{
int i, m, atom1;
int imol, iatom;
tagint tagprev;
int *num_bond;
tagint **bond_atom;
int **bond_type;
Molecule **onemols = atom->avec->onemols;
tagint *tag = atom->tag;
int *molindex = atom->molindex;
int *molatom = atom->molatom;
int nlocal = atom->nlocal;
int newton_bond = force->newton_bond;
int lostbond = output->thermo->lostbond;
int nmissing = 0;
nbondlist = 0;
for (i = 0; i < nlocal; i++) {
if (molindex[i] < 0) continue;
imol = molindex[i];
iatom = molatom[i];
tagprev = tag[i] - iatom - 1;
num_bond = onemols[imol]->num_bond;
bond_atom = onemols[imol]->bond_atom;
bond_type = onemols[imol]->bond_type;
for (m = 0; m < num_bond[iatom]; m++) {
if (bond_type[iatom][m] <= 0) continue;
atom1 = atom->map(bond_atom[iatom][m] + tagprev);
if (atom1 == -1) {
nmissing++;
if (lostbond == Thermo::ERROR)
error->one(FLERR, Error::NOLASTLINE, "Bond atoms {} {} missing on proc {} at step {}" + utils::errorurl(5), tag[i],
bond_atom[iatom][m] + tagprev, me, update->ntimestep);
continue;
}
atom1 = domain->closest_image(i, atom1);
if (newton_bond || i < atom1) {
if (nbondlist == maxbond) {
maxbond += DELTA;
memory->grow(bondlist, maxbond, 3, "neigh_topo:bondlist");
}
bondlist[nbondlist][0] = i;
bondlist[nbondlist][1] = atom1;
bondlist[nbondlist][2] = bond_type[iatom][m];
nbondlist++;
}
}
}
if (cluster_check) bond_check();
if (lostbond == Thermo::IGNORE) return;
int all;
MPI_Allreduce(&nmissing, &all, 1, MPI_INT, MPI_SUM, world);
if (all && (me == 0)) error->warning(FLERR, "Bond atoms missing at step {}" + utils::errorurl(5), update->ntimestep);
}