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/* ----------------------------------------------------------------------
    This is the

    ██╗     ██╗ ██████╗  ██████╗  ██████╗ ██╗  ██╗████████╗███████╗
    ██║     ██║██╔════╝ ██╔════╝ ██╔════╝ ██║  ██║╚══██╔══╝██╔════╝
    ██║     ██║██║  ███╗██║  ███╗██║  ███╗███████║   ██║   ███████╗
    ██║     ██║██║   ██║██║   ██║██║   ██║██╔══██║   ██║   ╚════██║
    ███████╗██║╚██████╔╝╚██████╔╝╚██████╔╝██║  ██║   ██║   ███████║
    ╚══════╝╚═╝ ╚═════╝  ╚═════╝  ╚═════╝ ╚═╝  ╚═╝   ╚═╝   ╚══════╝®

    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.
------------------------------------------------------------------------- */

/*
   C or Fortran style library interface to LAMMPS
   new LAMMPS-specific functions can be added
*/

#include <mpi.h>

/* ifdefs allow this file to be included in a C program */

#ifdef __cplusplus
extern "C" {
#endif

void lammps_open(int, char **, MPI_Comm, void **);
void lammps_open_no_mpi(int, char **, void **);
void lammps_close(void *);
void lammps_file(void *, const char *);
char *lammps_command(void *, const char *);
void lammps_free(void *);

void *lammps_extract_global(void *, const char *);
void *lammps_extract_atom(void *, const char *);
void *lammps_extract_compute(void *, const char *, int, int);
void *lammps_extract_fix(void *, const char *, int, int, int, int);
void *lammps_extract_variable(void *, char *, char *);

int lammps_get_natoms(void *);
void lammps_gather_atoms(void *, const char *, int, int, void *);
void lammps_scatter_atoms(void *, const char *, int, int, void *);

#ifdef __cplusplus
}
#endif

/* ERROR/WARNING messages:

W: Library error in lammps_gather_atoms

This library function cannot be used if atom IDs are not defined
or are not consecutively numbered.

W: Library error in lammps_scatter_atoms

This library function cannot be used if atom IDs are not defined or
are not consecutively numbered, or if no atom map is defined.  See the
atom_modify command for details about atom maps.

*/