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_angle_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 
NTopoAnglePartial(LAMMPS * lmp)33 NTopoAnglePartial::NTopoAnglePartial(LAMMPS *lmp) : NTopo(lmp)
34 {
35   allocate_angle();
36 }
37 
38 /* ---------------------------------------------------------------------- */
39 
build()40 void NTopoAnglePartial::build()
41 {
42   int i,m,atom1,atom2,atom3;
43 
44   int nlocal = atom->nlocal;
45   int *num_angle = atom->num_angle;
46   tagint **angle_atom1 = atom->angle_atom1;
47   tagint **angle_atom2 = atom->angle_atom2;
48   tagint **angle_atom3 = atom->angle_atom3;
49   int **angle_type = atom->angle_type;
50   int newton_bond = force->newton_bond;
51 
52   int lostbond = output->thermo->lostbond;
53   int nmissing = 0;
54   nanglelist = 0;
55 
56   for (i = 0; i < nlocal; i++)
57     for (m = 0; m < num_angle[i]; m++) {
58       if (angle_type[i][m] <= 0) continue;
59       atom1 = atom->map(angle_atom1[i][m]);
60       atom2 = atom->map(angle_atom2[i][m]);
61       atom3 = atom->map(angle_atom3[i][m]);
62       if (atom1 == -1 || atom2 == -1 || atom3 == -1) {
63         nmissing++;
64         if (lostbond == Thermo::ERROR)
65           error->one(FLERR,"Angle atoms {} {} {} missing on "
66                                        "proc {} at step {}",angle_atom1[i][m],
67                                        angle_atom2[i][m],angle_atom3[i][m],
68                                        me,update->ntimestep);
69         continue;
70       }
71       atom1 = domain->closest_image(i,atom1);
72       atom2 = domain->closest_image(i,atom2);
73       atom3 = domain->closest_image(i,atom3);
74       if (newton_bond || (i <= atom1 && i <= atom2 && i <= atom3)) {
75         if (nanglelist == maxangle) {
76           maxangle += DELTA;
77           memory->grow(anglelist,maxangle,4,"neigh_topo:anglelist");
78         }
79         anglelist[nanglelist][0] = atom1;
80         anglelist[nanglelist][1] = atom2;
81         anglelist[nanglelist][2] = atom3;
82         anglelist[nanglelist][3] = angle_type[i][m];
83         nanglelist++;
84       }
85     }
86 
87   if (cluster_check) angle_check();
88   if (lostbond == Thermo::IGNORE) return;
89 
90   int all;
91   MPI_Allreduce(&nmissing,&all,1,MPI_INT,MPI_SUM,world);
92   if (all && (me == 0))
93     error->warning(FLERR,"Angle atoms missing at step {}",update->ntimestep);
94 }
95