/usr/include/liggghts/lmptype.h is in libliggghts-dev 3.7.0+repack1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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This is the
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╚══════╝╚═╝ ╚═════╝ ╚═════╝ ╚═════╝ ╚═╝ ╚═╝ ╚═╝ ╚══════╝®
DEM simulation engine, released by
DCS Computing Gmbh, Linz, Austria
http://www.dcs-computing.com, office@dcs-computing.com
LIGGGHTS® is part of CFDEM®project:
http://www.liggghts.com | http://www.cfdem.com
Core developer and main author:
Christoph Kloss, christoph.kloss@dcs-computing.com
LIGGGHTS® is open-source, distributed under the terms of the GNU Public
License, version 2 or later. It is distributed in the hope that it will
be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. You should have
received a copy of the GNU General Public License along with LIGGGHTS®.
If not, see http://www.gnu.org/licenses . See also top-level README
and LICENSE files.
LIGGGHTS® and CFDEM® are registered trade marks of DCS Computing GmbH,
the producer of the LIGGGHTS® software and the CFDEM®coupling software
See http://www.cfdem.com/terms-trademark-policy for details.
-------------------------------------------------------------------------
Contributing author and copyright for this file:
This file is from LAMMPS
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.
------------------------------------------------------------------------- */
// define integer data types used by LAMMPS and associated size limits
// smallint = variables for on-procesor system (nlocal, nmax, etc)
// tagint = variables for atom IDs (tag)
// bigint = variables for total system (natoms, ntimestep, etc)
// smallint must be an int, as defined by C compiler
// tagint can be 32-bit or 64-bit int, must be >= smallint
// bigint can be 32-bit or 64-bit int, must be >= tagint
// MPI_LMP_TAGINT = MPI data type corresponding to a tagint
// MPI_LMP_BIGINT = MPI data type corresponding to a bigint
#ifndef LMP_LMPTYPE_H
#define LMP_LMPTYPE_H
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#ifndef __STDC_FORMAT_MACROS
#define __STDC_FORMAT_MACROS
#endif
#include "limits.h"
#include <stdint.h>
#include "inttypes.h"
// grrr - IBM Power6 does not provide this def in their system header files
#ifndef PRId64
#define PRId64 "ld"
#endif
namespace LAMMPS_NS {
// reserve 2 hi bits in molecular system neigh list for special bonds flag
// max local + ghost atoms per processor = 2^30 - 1
#define SBBITS 30
#define NEIGHMASK 0x3FFFFFFF
// default to 32-bit smallint and tagint, 64-bit bigint
#if !defined(LAMMPS_SMALLSMALL) && !defined(LAMMPS_BIGBIG) && !defined(LAMMPS_SMALLBIG)
#define LAMMPS_SMALLBIG
#endif
// allow user override of LONGLONG to LONG, necessary for some machines/MPI
#ifdef LAMMPS_LONGLONG_TO_LONG
#define MPI_LL MPI_LONG
#define ATOLL atoll
#else
#define MPI_LL MPI_LONG_LONG
#define ATOLL atol
#endif
// for atomic problems that exceed 2 billion (2^31) atoms
// 32-bit smallint and tagint, 64-bit bigint
#ifdef LAMMPS_SMALLBIG
typedef int smallint;
typedef int tagint;
typedef int64_t bigint;
#define MAXSMALLINT INT_MAX
#define MAXTAGINT INT_MAX
#define MAXBIGINT INT64_MAX
#define MPI_LMP_TAGINT MPI_INT
#define MPI_LMP_BIGINT MPI_LL
#define TAGINT_FORMAT "%d"
#define BIGINT_FORMAT "%" PRId64
#define ATOTAGINT atoi
#define ATOBIGINT ATOLL
#define IMGMASK 1023
#define IMGMAX 512
#define IMGBITS 10
#define IMG2BITS 20
#endif
// for molecular problems that exceed 2 billion (2^31) atoms
// or problems where atoms wrap around the periodic box more than 512 times
// 32-bit smallint, 64-bit tagint and bigint
#ifdef LAMMPS_BIGBIG
typedef int smallint;
typedef int64_t tagint;
typedef int64_t bigint;
#define MAXSMALLINT INT_MAX
#define MAXTAGINT INT64_MAX
#define MAXBIGINT INT64_MAX
#define MPI_LMP_TAGINT MPI_LL
#define MPI_LMP_BIGINT MPI_LL
#define TAGINT_FORMAT "%" PRId64
#define BIGINT_FORMAT "%" PRId64
#define ATOTAGINT ATOLL
#define ATOBIGINT ATOLL
#define IMGMASK 2097151
#define IMGMAX 1048576
#define IMGBITS 21
#define IMG2BITS 42
#endif
// for machines that do not support 64-bit ints
// 32-bit smallint and tagint and bigint
#ifdef LAMMPS_SMALLSMALL
typedef int smallint;
typedef int tagint;
typedef int bigint;
#define MAXSMALLINT INT_MAX
#define MAXTAGINT INT_MAX
#define MAXBIGINT INT_MAX
#define MPI_LMP_TAGINT MPI_INT
#define MPI_LMP_BIGINT MPI_INT
#define TAGINT_FORMAT "%d"
#define BIGINT_FORMAT "%d"
#define ATOTAGINT atoi
#define ATOBIGINT atoi
#define IMGMASK 1023
#define IMGMAX 512
#define IMGBITS 10
#define IMG2BITS 20
#endif
}
// settings to enable LAMMPS to build under Windows
#ifdef _WIN32
#include "lmpwindows.h"
#endif
#endif
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