/usr/include/liggghts/atom_masks.h is in libliggghts-dev 3.0.3+repack-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 | /* ----------------------------------------------------------------------
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.
------------------------------------------------------------------------- */
#ifndef LMP_ATOM_MASK_H
#define LMP_ATOM_MASK_H
// per-atom data masks
#define EMPTY_MASK 0x00000000
#define ALL_MASK 0xffffffff
#define SAMETAG_MASK 0x01000000
#define EXTENDED_MASK 0x80000000
// standard
#define X_MASK 0x00000001
#define V_MASK 0x00000002
#define F_MASK 0x00000004
#define TAG_MASK 0x00000008
#define TYPE_MASK 0x00000010
#define MASK_MASK 0x00000020
#define IMAGE_MASK 0x00000040
#define Q_MASK 0x00000080
#define MOLECULE_MASK 0x00000100
#define RMASS_MASK 0x00000200
#define BOND_MASK 0x00000400
#define ANGLE_MASK 0x00000800
#define DIHEDRAL_MASK 0x00001000
#define IMPROPER_MASK 0x00002000
#define SPECIAL_MASK 0x00004000
#define MAP_MASK 0x00008000
// granular
#define RADIUS_MASK 0x00010000
#define DENSITY_MASK 0x00020000
#define OMEGA_MASK 0x00040000
#define TORQUE_MASK 0x00080000
#define ANGMOM_MASK 0x00100000
#define GRANULAR_MASK 0x001f0000
// peridynamics
#define VFRAC_MASK 0x00200000
#define S0_MASK 0x00400000
#define X0_MASK 0x00800000
#define PERI_MASK 0x00e00000
#define ELLIPSOID_MASK 0x00000001
#define LINE_MASK 0x00000002
#define TRI_MASK 0x00000004
// electron
#define SPIN_MASK 0x00000010
#define ERADIUS_MASK 0x00000020
#define ERVEL_MASK 0x00000040
#define ERFORCE_MASK 0x00000080
#define ERVELFORCE_MASK 0x00000100
#define CS_MASK 0x00000200
#define CSFORCE_MASK 0x00000400
#define VFORCE_MASK 0x00000800
#define ELECTRON_MASK 0x00000f00
// SPH
#define ETAG_MASK 0x00001000
#define RHO_MASK 0x00002000
#define DRHO_MASK 0x00004000
#define E_MASK 0x00008000
#define DE_MASK 0x00010000
#define VEST_MASK 0x00020000
#define CV_MASK 0x00040000
#endif
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