Files
lammps/src/ntopo_improper_all.cpp
2024-01-21 15:53:35 -05:00

95 lines
3.3 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_improper_all.h"
#include "atom.h"
#include "domain.h"
#include "error.h"
#include "force.h"
#include "memory.h"
#include "output.h"
#include "thermo.h"
#include "update.h"
using namespace LAMMPS_NS;
static constexpr int DELTA = 10000;
/* ---------------------------------------------------------------------- */
NTopoImproperAll::NTopoImproperAll(LAMMPS *lmp) : NTopo(lmp)
{
allocate_improper();
}
/* ---------------------------------------------------------------------- */
void NTopoImproperAll::build()
{
int i, m, atom1, atom2, atom3, atom4;
int nlocal = atom->nlocal;
int *num_improper = atom->num_improper;
tagint **improper_atom1 = atom->improper_atom1;
tagint **improper_atom2 = atom->improper_atom2;
tagint **improper_atom3 = atom->improper_atom3;
tagint **improper_atom4 = atom->improper_atom4;
int **improper_type = atom->improper_type;
int newton_bond = force->newton_bond;
int lostbond = output->thermo->lostbond;
int nmissing = 0;
nimproperlist = 0;
for (i = 0; i < nlocal; i++)
for (m = 0; m < num_improper[i]; m++) {
atom1 = atom->map(improper_atom1[i][m]);
atom2 = atom->map(improper_atom2[i][m]);
atom3 = atom->map(improper_atom3[i][m]);
atom4 = atom->map(improper_atom4[i][m]);
if (atom1 == -1 || atom2 == -1 || atom3 == -1 || atom4 == -1) {
nmissing++;
if (lostbond == Thermo::ERROR)
error->one(FLERR, "Improper atoms {} {} {} {} missing on proc {} at step {}",
improper_atom1[i][m], improper_atom2[i][m], improper_atom3[i][m],
improper_atom4[i][m], me, update->ntimestep);
continue;
}
atom1 = domain->closest_image(i, atom1);
atom2 = domain->closest_image(i, atom2);
atom3 = domain->closest_image(i, atom3);
atom4 = domain->closest_image(i, atom4);
if (newton_bond || (i <= atom1 && i <= atom2 && i <= atom3 && i <= atom4)) {
if (nimproperlist == maximproper) {
maximproper += DELTA;
memory->grow(improperlist, maximproper, 5, "neigh_topo:improperlist");
}
improperlist[nimproperlist][0] = atom1;
improperlist[nimproperlist][1] = atom2;
improperlist[nimproperlist][2] = atom3;
improperlist[nimproperlist][3] = atom4;
improperlist[nimproperlist][4] = improper_type[i][m];
nimproperlist++;
}
}
if (cluster_check) dihedral_check(nimproperlist, improperlist);
if (lostbond == Thermo::IGNORE) return;
int all;
MPI_Allreduce(&nmissing, &all, 1, MPI_INT, MPI_SUM, world);
if (all && (me == 0))
error->warning(FLERR, "Improper atoms missing at step {}", update->ntimestep);
}