1 // clang-format off
2 /* ----------------------------------------------------------------------
3    LAMMPS - Large-scale Atomic/Molecular Massively Parallel Simulator
4    https://www.lammps.org/, Sandia National Laboratories
5    Steve Plimpton, sjplimp@sandia.gov
6 
7    Copyright (2003) Sandia Corporation.  Under the terms of Contract
8    DE-AC04-94AL85000 with Sandia Corporation, the U.S. Government retains
9    certain rights in this software.  This software is distributed under
10    the GNU General Public License.
11 
12    See the README file in the top-level LAMMPS directory.
13 ------------------------------------------------------------------------- */
14 
15 #include "ntopo_bond_partial.h"
16 
17 #include "atom.h"
18 #include "force.h"
19 #include "domain.h"
20 #include "update.h"
21 #include "output.h"
22 #include "thermo.h"
23 #include "memory.h"
24 #include "error.h"
25 
26 
27 using namespace LAMMPS_NS;
28 
29 #define DELTA 10000
30 
31 /* ---------------------------------------------------------------------- */
32 
NTopoBondPartial(LAMMPS * lmp)33 NTopoBondPartial::NTopoBondPartial(LAMMPS *lmp) : NTopo(lmp)
34 {
35   allocate_bond();
36 }
37 
38 /* ---------------------------------------------------------------------- */
39 
build()40 void NTopoBondPartial::build()
41 {
42   int i,m,atom1;
43 
44   int nlocal = atom->nlocal;
45   int *num_bond = atom->num_bond;
46   tagint **bond_atom = atom->bond_atom;
47   int **bond_type = atom->bond_type;
48   tagint *tag = atom->tag;
49   int newton_bond = force->newton_bond;
50 
51   int lostbond = output->thermo->lostbond;
52   int nmissing = 0;
53   nbondlist = 0;
54 
55   for (i = 0; i < nlocal; i++)
56     for (m = 0; m < num_bond[i]; m++) {
57       if (bond_type[i][m] <= 0) continue;
58       atom1 = atom->map(bond_atom[i][m]);
59       if (atom1 == -1) {
60         nmissing++;
61         if (lostbond == Thermo::ERROR)
62           error->one(FLERR,"Bond atoms {} {} missing on "
63                                        "proc {} at step {}",tag[i],
64                                        bond_atom[i][m],me,update->ntimestep);
65         continue;
66       }
67       atom1 = domain->closest_image(i,atom1);
68       if (newton_bond || i < atom1) {
69         if (nbondlist == maxbond) {
70           maxbond += DELTA;
71           memory->grow(bondlist,maxbond,3,"neigh_topo:bondlist");
72         }
73         bondlist[nbondlist][0] = i;
74         bondlist[nbondlist][1] = atom1;
75         bondlist[nbondlist][2] = bond_type[i][m];
76         nbondlist++;
77       }
78     }
79 
80   if (cluster_check) bond_check();
81   if (lostbond == Thermo::IGNORE) return;
82 
83   int all;
84   MPI_Allreduce(&nmissing,&all,1,MPI_INT,MPI_SUM,world);
85   if (all && (me == 0))
86     error->warning(FLERR,"Bond atoms missing at step {}",update->ntimestep);
87 }
88