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ntopo_angle_partial.cpp
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Thu, Sep 12, 07:25

ntopo_angle_partial.cpp
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/* ----------------------------------------------------------------------
LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
http://lammps.sandia.gov, Sandia National Laboratories
Steve Plimpton, sjplimp@sandia.gov
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 <mpi.h>
#include "ntopo_angle_partial.h"
#include "atom.h"
#include "force.h"
#include "domain.h"
#include "update.h"
#include "output.h"
#include "thermo.h"
#include "memory.h"
#include "error.h"
using namespace LAMMPS_NS;
#define DELTA 10000
/* ---------------------------------------------------------------------- */
NTopoAnglePartial::NTopoAnglePartial(LAMMPS *lmp) : NTopo(lmp)
{
allocate_angle();
}
/* ---------------------------------------------------------------------- */
void NTopoAnglePartial::build()
{
int i,m,atom1,atom2,atom3;
int nlocal = atom->nlocal;
int *num_angle = atom->num_angle;
tagint **angle_atom1 = atom->angle_atom1;
tagint **angle_atom2 = atom->angle_atom2;
tagint **angle_atom3 = atom->angle_atom3;
int **angle_type = atom->angle_type;
int newton_bond = force->newton_bond;
int lostbond = output->thermo->lostbond;
int nmissing = 0;
nanglelist = 0;
for (i = 0; i < nlocal; i++)
for (m = 0; m < num_angle[i]; m++) {
if (angle_type[i][m] <= 0) continue;
atom1 = atom->map(angle_atom1[i][m]);
atom2 = atom->map(angle_atom2[i][m]);
atom3 = atom->map(angle_atom3[i][m]);
if (atom1 == -1 || atom2 == -1 || atom3 == -1) {
nmissing++;
if (lostbond == ERROR) {
char str[128];
sprintf(str,"Angle atoms "
TAGINT_FORMAT " " TAGINT_FORMAT " " TAGINT_FORMAT
" missing on proc %d at step " BIGINT_FORMAT,
angle_atom1[i][m],angle_atom2[i][m],angle_atom3[i][m],
me,update->ntimestep);
error->one(FLERR,str);
}
continue;
}
atom1 = domain->closest_image(i,atom1);
atom2 = domain->closest_image(i,atom2);
atom3 = domain->closest_image(i,atom3);
if (newton_bond || (i <= atom1 && i <= atom2 && i <= atom3)) {
if (nanglelist == maxangle) {
maxangle += DELTA;
memory->grow(anglelist,maxangle,4,"neigh_topo:anglelist");
}
anglelist[nanglelist][0] = atom1;
anglelist[nanglelist][1] = atom2;
anglelist[nanglelist][2] = atom3;
anglelist[nanglelist][3] = angle_type[i][m];
nanglelist++;
}
}
if (cluster_check) angle_check();
if (lostbond == IGNORE) return;
int all;
MPI_Allreduce(&nmissing,&all,1,MPI_INT,MPI_SUM,world);
if (all) {
char str[128];
sprintf(str,
"Angle atoms missing at step " BIGINT_FORMAT,update->ntimestep);
if (me == 0) error->warning(FLERR,str);
}
}

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