110 lines
3.1 KiB
C++
110 lines
3.1 KiB
C++
/* ----------------------------------------------------------------------
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LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
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http://lammps.sandia.gov, Sandia National Laboratories
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Steve Plimpton, sjplimp@sandia.gov
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Copyright (2003) Sandia Corporation. Under the terms of Contract
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DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
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certain rights in this software. This software is distributed under
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the GNU General Public License.
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See the README file in the top-level LAMMPS directory.
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------------------------------------------------------------------------- */
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#include "ntopo_bond_template.h"
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#include <mpi.h>
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#include "atom.h"
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#include "atom_vec.h"
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#include "force.h"
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#include "domain.h"
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#include "update.h"
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#include "output.h"
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#include "thermo.h"
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#include "molecule.h"
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#include "memory.h"
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#include "error.h"
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using namespace LAMMPS_NS;
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#define DELTA 10000
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/* ---------------------------------------------------------------------- */
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NTopoBondTemplate::NTopoBondTemplate(LAMMPS *lmp) : NTopo(lmp)
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{
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allocate_bond();
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}
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/* ---------------------------------------------------------------------- */
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void NTopoBondTemplate::build()
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{
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int i,m,atom1;
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int imol,iatom;
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tagint tagprev;
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int *num_bond;
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tagint **bond_atom;
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int **bond_type;
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Molecule **onemols = atom->avec->onemols;
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tagint *tag = atom->tag;
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int *molindex = atom->molindex;
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int *molatom = atom->molatom;
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int nlocal = atom->nlocal;
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int newton_bond = force->newton_bond;
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int lostbond = output->thermo->lostbond;
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int nmissing = 0;
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nbondlist = 0;
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for (i = 0; i < nlocal; i++) {
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if (molindex[i] < 0) continue;
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imol = molindex[i];
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iatom = molatom[i];
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tagprev = tag[i] - iatom - 1;
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num_bond = onemols[imol]->num_bond;
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bond_atom = onemols[imol]->bond_atom;
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bond_type = onemols[imol]->bond_type;
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for (m = 0; m < num_bond[iatom]; m++) {
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if (bond_type[iatom][m] <= 0) continue;
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atom1 = atom->map(bond_atom[iatom][m]+tagprev);
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if (atom1 == -1) {
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nmissing++;
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if (lostbond == Thermo::ERROR) {
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char str[128];
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sprintf(str,"Bond atoms " TAGINT_FORMAT " " TAGINT_FORMAT
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" missing on proc %d at step " BIGINT_FORMAT,
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tag[i],bond_atom[iatom][m]+tagprev,me,update->ntimestep);
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error->one(FLERR,str);
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}
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continue;
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}
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atom1 = domain->closest_image(i,atom1);
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if (newton_bond || i < atom1) {
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if (nbondlist == maxbond) {
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maxbond += DELTA;
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memory->grow(bondlist,maxbond,3,"neigh_topo:bondlist");
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}
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bondlist[nbondlist][0] = i;
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bondlist[nbondlist][1] = atom1;
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bondlist[nbondlist][2] = bond_type[iatom][m];
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nbondlist++;
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}
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}
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}
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if (cluster_check) bond_check();
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if (lostbond == Thermo::IGNORE) return;
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int all;
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MPI_Allreduce(&nmissing,&all,1,MPI_INT,MPI_SUM,world);
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if (all) {
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char str[128];
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sprintf(str,
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"Bond atoms missing at step " BIGINT_FORMAT,update->ntimestep);
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if (me == 0) error->warning(FLERR,str);
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}
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}
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